diff --git a/src/cmd/compile/internal/ssa/gen/AMD64.rules b/src/cmd/compile/internal/ssa/gen/AMD64.rules
index 54de6e0..8025647 100644
--- a/src/cmd/compile/internal/ssa/gen/AMD64.rules
+++ b/src/cmd/compile/internal/ssa/gen/AMD64.rules
@@ -1510,13 +1510,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 
 (ORQ
     s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem))
@@ -1531,13 +1531,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 
 (ORQ
     s1:(SHLQconst [j1] x1:(MOVWload [i1] {s} p mem))
@@ -1552,13 +1552,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
 
 // Little-endian indexed loads
 
@@ -1635,13 +1635,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 
 (ORQ
     s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))
@@ -1656,13 +1656,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 
 (ORQ
     s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem))
@@ -1677,13 +1677,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 
 // Big-endian loads
 
@@ -1777,13 +1777,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 
 (ORQ
     s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem))
@@ -1798,13 +1798,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 
 (ORQ
     s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWload [i0] {s} p mem)))
@@ -1821,7 +1821,7 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(r0)
@@ -1829,7 +1829,7 @@
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
 
 // Big-endian indexed loads
 
@@ -1923,13 +1923,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 
 (ORQ
     s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))
@@ -1944,13 +1944,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 
 (ORQ
     s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem)))
@@ -1967,7 +1967,7 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(r0)
@@ -1975,7 +1975,7 @@
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 
 // Combine 2 byte stores + shift into rolw 8 + word store
 (MOVBstore [i] {s} p w
diff --git a/src/cmd/compile/internal/ssa/gen/S390X.rules b/src/cmd/compile/internal/ssa/gen/S390X.rules
index 960d688..ea3d43c 100644
--- a/src/cmd/compile/internal/ssa/gen/S390X.rules
+++ b/src/cmd/compile/internal/ssa/gen/S390X.rules
@@ -1445,13 +1445,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 
 (OR
     s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem))
@@ -1466,13 +1466,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 
 (OR
     s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem))
@@ -1487,13 +1487,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 
 // Big-endian indexed loads
 
@@ -1575,13 +1575,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+  -> @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 
 (OR
     s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))
@@ -1596,13 +1596,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 
 (OR
     s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem))
@@ -1617,13 +1617,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 
 // Little-endian loads
 
@@ -1715,13 +1715,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 
 (OR
     s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem))
@@ -1737,13 +1737,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 
 (OR
     s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem)))
@@ -1760,7 +1760,7 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(r0)
@@ -1768,7 +1768,7 @@
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 
 // Little-endian indexed loads
 
@@ -1860,13 +1860,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+  -> @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 
 (OR
     s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))
@@ -1882,13 +1882,13 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 
 (OR
     s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem)))
@@ -1905,7 +1905,7 @@
   && s0.Uses == 1
   && s1.Uses == 1
   && or.Uses == 1
-  && mergePoint(b,x0,x1) != nil
+  && mergePoint(b,x0,x1,y) != nil
   && clobber(x0)
   && clobber(x1)
   && clobber(r0)
@@ -1913,7 +1913,7 @@
   && clobber(s0)
   && clobber(s1)
   && clobber(or)
-  -> @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+  -> @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 
 // Combine stores into store multiples.
 // 32-bit
diff --git a/src/cmd/compile/internal/ssa/rewriteAMD64.go b/src/cmd/compile/internal/ssa/rewriteAMD64.go
index 47d3f43..38a1f63 100644
--- a/src/cmd/compile/internal/ssa/rewriteAMD64.go
+++ b/src/cmd/compile/internal/ssa/rewriteAMD64.go
@@ -25715,8 +25715,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem)) or:(ORL s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -25759,10 +25759,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -25779,8 +25779,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem)) or:(ORL y s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -25823,10 +25823,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -25843,8 +25843,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem)) y) s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -25887,10 +25887,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -25914,8 +25914,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORL or:(ORL y s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem))) s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -25958,10 +25958,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26849,8 +26849,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -26897,10 +26897,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26918,8 +26918,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -26966,10 +26966,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26987,8 +26987,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -27035,10 +27035,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27063,8 +27063,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -27111,10 +27111,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27132,8 +27132,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -27180,10 +27180,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27201,8 +27201,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -27249,10 +27249,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27270,8 +27270,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -27318,10 +27318,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27339,8 +27339,8 @@
 		return true
 	}
 	// match: (ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -27387,10 +27387,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27408,8 +27408,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27456,10 +27456,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27477,8 +27477,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27525,10 +27525,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27546,8 +27546,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27594,10 +27594,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27615,8 +27615,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27663,10 +27663,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27684,8 +27684,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27732,10 +27732,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27760,8 +27760,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORL or:(ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27808,10 +27808,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27829,8 +27829,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27877,10 +27877,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27898,8 +27898,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))) s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27946,10 +27946,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28201,8 +28201,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem)) or:(ORL s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -28245,10 +28245,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28268,8 +28268,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem)) or:(ORL y s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -28312,10 +28312,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28335,8 +28335,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem)) y) s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -28379,10 +28379,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28409,8 +28409,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORL or:(ORL y s1:(SHLLconst [j1] x1:(MOVBload [i1] {s} p mem))) s0:(SHLLconst [j0] x0:(MOVBload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -28453,10 +28453,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -29499,8 +29499,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -29547,10 +29547,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -29571,8 +29571,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -29619,10 +29619,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -29643,8 +29643,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -29691,10 +29691,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -29722,8 +29722,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -29770,10 +29770,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -29794,8 +29794,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -29842,10 +29842,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -29866,8 +29866,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -29914,10 +29914,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -29938,8 +29938,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -29986,10 +29986,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30010,8 +30010,8 @@
 		return true
 	}
 	// match: (ORL s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -30058,10 +30058,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30082,8 +30082,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30130,10 +30130,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30154,8 +30154,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30202,10 +30202,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30226,8 +30226,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30274,10 +30274,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30298,8 +30298,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30346,10 +30346,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30370,8 +30370,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30418,10 +30418,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30449,8 +30449,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORL or:(ORL s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30497,10 +30497,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30521,8 +30521,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30569,10 +30569,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30593,8 +30593,8 @@
 		return true
 	}
 	// match: (ORL or:(ORL y s1:(SHLLconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))) s0:(SHLLconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORL <v.Type> (SHLLconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -30641,10 +30641,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORL, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32489,8 +32489,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32533,10 +32533,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32553,8 +32553,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32597,10 +32597,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32617,8 +32617,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem)) y) s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32661,10 +32661,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32681,8 +32681,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem))) s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32725,10 +32725,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32745,8 +32745,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWload [i1] {s} p mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVWload [i0] {s} p mem)) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32789,10 +32789,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32809,8 +32809,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWload [i1] {s} p mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWload [i0] {s} p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32853,10 +32853,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32873,8 +32873,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVWload [i0] {s} p mem)) y) s1:(SHLQconst [j1] x1:(MOVWload [i1] {s} p mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32917,10 +32917,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32937,8 +32937,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWload [i0] {s} p mem))) s1:(SHLQconst [j1] x1:(MOVWload [i1] {s} p mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32981,10 +32981,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34318,8 +34318,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34366,10 +34366,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34387,8 +34387,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34435,10 +34435,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34456,8 +34456,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34504,10 +34504,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34525,8 +34525,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34573,10 +34573,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34594,8 +34594,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34642,10 +34642,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34663,8 +34663,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34711,10 +34711,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34732,8 +34732,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34780,10 +34780,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34808,8 +34808,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -34856,10 +34856,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34877,8 +34877,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -34925,10 +34925,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34946,8 +34946,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -34994,10 +34994,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35015,8 +35015,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35063,10 +35063,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35084,8 +35084,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35132,10 +35132,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35153,8 +35153,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) y) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35201,10 +35201,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35222,8 +35222,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) y) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35270,10 +35270,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35291,8 +35291,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem))) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35339,10 +35339,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35360,8 +35360,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem))) s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVWloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35408,10 +35408,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35429,8 +35429,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem)) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35477,10 +35477,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35505,8 +35505,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem)) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35553,10 +35553,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35574,8 +35574,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem)) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35622,10 +35622,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35643,8 +35643,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)) or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem)) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35691,10 +35691,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35712,8 +35712,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35760,10 +35760,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35781,8 +35781,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35829,10 +35829,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35850,8 +35850,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35898,10 +35898,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35919,8 +35919,8 @@
 		return true
 	}
 	// match: (ORQ s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)) or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35967,10 +35967,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35988,8 +35988,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem)) y) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36036,10 +36036,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36057,8 +36057,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem)) y) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36105,10 +36105,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36126,8 +36126,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem))) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36174,10 +36174,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36202,8 +36202,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem))) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36250,10 +36250,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36271,8 +36271,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem)) y) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36319,10 +36319,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36340,8 +36340,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem)) y) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36388,10 +36388,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36409,8 +36409,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} p idx mem))) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36457,10 +36457,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36478,8 +36478,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s0:(SHLQconst [j0] x0:(MOVWloadidx1 [i0] {s} idx p mem))) s1:(SHLQconst [j1] x1:(MOVWloadidx1 [i1] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j0] (MOVLloadidx1 [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36526,10 +36526,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36906,8 +36906,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem)) or:(ORQ s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -36950,10 +36950,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36973,8 +36973,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem)) or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -37017,10 +37017,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37040,8 +37040,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem)) y) s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -37084,10 +37084,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37107,8 +37107,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBload [i1] {s} p mem))) s0:(SHLQconst [j0] x0:(MOVBload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -37151,10 +37151,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37174,8 +37174,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWload [i0] {s} p mem))) or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWload [i1] {s} p mem))) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -37232,10 +37232,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37254,8 +37254,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWload [i0] {s} p mem))) or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWload [i1] {s} p mem)))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -37312,10 +37312,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37334,8 +37334,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWload [i1] {s} p mem))) y) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWload [i0] {s} p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -37392,10 +37392,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37414,8 +37414,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWload [i1] {s} p mem)))) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWload [i0] {s} p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -37472,10 +37472,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39043,8 +39043,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39091,10 +39091,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39115,8 +39115,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39163,10 +39163,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39187,8 +39187,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39235,10 +39235,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39259,8 +39259,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39307,10 +39307,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39331,8 +39331,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39379,10 +39379,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39403,8 +39403,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39451,10 +39451,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39475,8 +39475,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)) or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39523,10 +39523,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39554,8 +39554,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORQ s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)) or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -39602,10 +39602,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39626,8 +39626,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -39674,10 +39674,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39698,8 +39698,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -39746,10 +39746,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39770,8 +39770,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -39818,10 +39818,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39842,8 +39842,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -39890,10 +39890,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39914,8 +39914,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem)) y) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -39962,10 +39962,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -39986,8 +39986,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem)) y) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -40034,10 +40034,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40058,8 +40058,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} p idx mem))) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -40106,10 +40106,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40130,8 +40130,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] x1:(MOVBloadidx1 [i1] {s} idx p mem))) s0:(SHLQconst [j0] x0:(MOVBloadidx1 [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (ROLWconst <typ.UInt16> [8] (MOVWloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -40178,10 +40178,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40202,8 +40202,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))) or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem))) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40264,10 +40264,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40294,8 +40294,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))) or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem))) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40356,10 +40356,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40379,8 +40379,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))) or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem))) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40441,10 +40441,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40464,8 +40464,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))) or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem))) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40526,10 +40526,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40549,8 +40549,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))) or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem)))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40611,10 +40611,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40634,8 +40634,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))) or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem)))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40696,10 +40696,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40719,8 +40719,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))) or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem)))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40781,10 +40781,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40804,8 +40804,8 @@
 		return true
 	}
 	// match: (ORQ s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))) or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem)))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -40866,10 +40866,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40889,8 +40889,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem))) y) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -40951,10 +40951,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -40974,8 +40974,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem))) y) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -41036,10 +41036,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -41059,8 +41059,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem)))) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -41121,10 +41121,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -41151,8 +41151,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem)))) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -41213,10 +41213,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -41236,8 +41236,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem))) y) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -41298,10 +41298,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -41321,8 +41321,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem))) y) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -41383,10 +41383,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -41406,8 +41406,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} p idx mem)))) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -41468,10 +41468,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -41491,8 +41491,8 @@
 		return true
 	}
 	// match: (ORQ or:(ORQ y s1:(SHLQconst [j1] r1:(ROLWconst [8] x1:(MOVWloadidx1 [i1] {s} idx p mem)))) s0:(SHLQconst [j0] r0:(ROLWconst [8] x0:(MOVWloadidx1 [i0] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORQ <v.Type> (SHLQconst <v.Type> [j1] (BSWAPL <typ.UInt32> (MOVLloadidx1 [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -41553,10 +41553,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpAMD64ORQ, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
diff --git a/src/cmd/compile/internal/ssa/rewriteS390X.go b/src/cmd/compile/internal/ssa/rewriteS390X.go
index 7125b88..e77bd83 100644
--- a/src/cmd/compile/internal/ssa/rewriteS390X.go
+++ b/src/cmd/compile/internal/ssa/rewriteS390X.go
@@ -24097,8 +24097,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -24141,10 +24141,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -24161,8 +24161,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -24205,10 +24205,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -24225,8 +24225,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) y) s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -24269,10 +24269,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -24289,8 +24289,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem))) s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -24333,10 +24333,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -24353,8 +24353,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem)) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -24397,10 +24397,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -24417,8 +24417,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -24461,10 +24461,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -24481,8 +24481,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem)) y) s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -24525,10 +24525,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -24552,8 +24552,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZload [i1] {s} p mem))) s0:(SLDconst [j0] x0:(MOVHZload [i0] {s} p mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -24596,10 +24596,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -25926,8 +25926,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -25974,10 +25974,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -25995,8 +25995,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -26043,10 +26043,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26064,8 +26064,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -26112,10 +26112,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26133,8 +26133,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -26181,10 +26181,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26202,8 +26202,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -26250,10 +26250,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26278,8 +26278,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -26326,10 +26326,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26347,8 +26347,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -26395,10 +26395,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26416,8 +26416,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -26464,10 +26464,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26485,8 +26485,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -26533,10 +26533,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26554,8 +26554,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -26602,10 +26602,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26623,8 +26623,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -26671,10 +26671,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26692,8 +26692,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -26740,10 +26740,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26761,8 +26761,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -26809,10 +26809,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26830,8 +26830,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -26878,10 +26878,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26899,8 +26899,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -26947,10 +26947,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -26975,8 +26975,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27023,10 +27023,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27044,8 +27044,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27092,10 +27092,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27113,8 +27113,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27161,10 +27161,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27182,8 +27182,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27230,10 +27230,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27251,8 +27251,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27299,10 +27299,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27320,8 +27320,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27368,10 +27368,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27389,8 +27389,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27437,10 +27437,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27458,8 +27458,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27506,10 +27506,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27527,8 +27527,8 @@
 		return true
 	}
 	// match: (OR s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)) or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -27575,10 +27575,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27596,8 +27596,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27644,10 +27644,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27672,8 +27672,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27720,10 +27720,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27741,8 +27741,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27789,10 +27789,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27810,8 +27810,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27858,10 +27858,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27879,8 +27879,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27927,10 +27927,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -27948,8 +27948,8 @@
 		return true
 	}
 	// match: (OR or:(OR s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem)) y) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -27996,10 +27996,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28017,8 +28017,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} p idx mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -28065,10 +28065,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28086,8 +28086,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s1:(SLDconst [j1] x1:(MOVHZloadidx [i1] {s} idx p mem))) s0:(SLDconst [j0] x0:(MOVHZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+2 && j1 == j0-16 && j1 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j1] (MOVWZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -28134,10 +28134,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0-16 && j1%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28496,8 +28496,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -28540,10 +28540,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28562,8 +28562,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -28606,10 +28606,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28628,8 +28628,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem)) y) s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -28672,10 +28672,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28694,8 +28694,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZload [i0] {s} p mem))) s1:(SLDconst [j1] x1:(MOVBZload [i1] {s} p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -28738,10 +28738,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28760,8 +28760,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem))) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -28812,10 +28812,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28834,8 +28834,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -28886,10 +28886,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28908,8 +28908,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -28960,10 +28960,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -28989,8 +28989,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRload [i0] {s} p mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRload [i1] {s} p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -29041,10 +29041,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30533,8 +30533,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -30581,10 +30581,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30604,8 +30604,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -30652,10 +30652,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30675,8 +30675,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -30723,10 +30723,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30746,8 +30746,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -30794,10 +30794,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30817,8 +30817,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -30865,10 +30865,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30895,8 +30895,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -30943,10 +30943,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -30966,8 +30966,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -31014,10 +31014,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31037,8 +31037,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -31085,10 +31085,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31108,8 +31108,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31156,10 +31156,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31179,8 +31179,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31227,10 +31227,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31250,8 +31250,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31298,10 +31298,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31321,8 +31321,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31369,10 +31369,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31392,8 +31392,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31440,10 +31440,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31463,8 +31463,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31511,10 +31511,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31534,8 +31534,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31582,10 +31582,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31612,8 +31612,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR or:(OR y s0:(SLDconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLDconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -31660,10 +31660,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31683,8 +31683,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -31739,10 +31739,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31762,8 +31762,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -31818,10 +31818,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31841,8 +31841,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -31897,10 +31897,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31920,8 +31920,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -31976,10 +31976,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -31999,8 +31999,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32055,10 +32055,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32078,8 +32078,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32134,10 +32134,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32157,8 +32157,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32213,10 +32213,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32236,8 +32236,8 @@
 		return true
 	}
 	// match: (OR s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))) or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -32292,10 +32292,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32315,8 +32315,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32371,10 +32371,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32401,8 +32401,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32457,10 +32457,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32480,8 +32480,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32536,10 +32536,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32559,8 +32559,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32615,10 +32615,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32638,8 +32638,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32694,10 +32694,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32717,8 +32717,8 @@
 		return true
 	}
 	// match: (OR or:(OR s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem))) y) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32773,10 +32773,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32796,8 +32796,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} p idx mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32852,10 +32852,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -32875,8 +32875,8 @@
 		return true
 	}
 	// match: (OR or:(OR y s0:(SLDconst [j0] r0:(MOVHZreg x0:(MOVHBRloadidx [i0] {s} idx p mem)))) s1:(SLDconst [j1] r1:(MOVHZreg x1:(MOVHBRloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
+	// cond: i1 == i0+2 && j1 == j0+16 && j0 % 32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (OR <v.Type> (SLDconst <v.Type> [j0] (MOVWZreg (MOVWBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -32931,10 +32931,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+2 && j1 == j0+16 && j0%32 == 0 && x0.Uses == 1 && x1.Uses == 1 && r0.Uses == 1 && r1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(r0) && clobber(r1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XOR, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -33484,8 +33484,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -33528,10 +33528,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -33548,8 +33548,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -33592,10 +33592,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -33612,8 +33612,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) y) s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -33656,10 +33656,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -33683,8 +33683,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem))) s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZload [i0] {s} p mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -33727,10 +33727,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34618,8 +34618,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -34666,10 +34666,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34687,8 +34687,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -34735,10 +34735,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34756,8 +34756,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -34804,10 +34804,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34832,8 +34832,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -34880,10 +34880,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34901,8 +34901,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -34949,10 +34949,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -34970,8 +34970,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -35018,10 +35018,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35039,8 +35039,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -35087,10 +35087,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35108,8 +35108,8 @@
 		return true
 	}
 	// match: (ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		s0 := v.Args[0]
@@ -35156,10 +35156,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35177,8 +35177,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35225,10 +35225,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35246,8 +35246,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35294,10 +35294,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35315,8 +35315,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35363,10 +35363,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35384,8 +35384,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35432,10 +35432,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35453,8 +35453,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35501,10 +35501,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35529,8 +35529,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORW or:(ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) y) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35577,10 +35577,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35598,8 +35598,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35646,10 +35646,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35667,8 +35667,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem))) s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)))
-	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
+	// cond: i1 == i0+1 && j1 == j0-8 && j1 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j1] (MOVHZloadidx [i0] {s} p idx mem)) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -35715,10 +35715,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(i1 == i0+1 && j1 == j0-8 && j1%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -35952,8 +35952,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -35996,10 +35996,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36018,8 +36018,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -36062,10 +36062,10 @@
 		if mem != x0.Args[1] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36084,8 +36084,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem)) y) s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36128,10 +36128,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -36157,8 +36157,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZload [i0] {s} p mem))) s1:(SLWconst [j1] x1:(MOVBZload [i1] {s} p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRload [i0] {s} p mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -36201,10 +36201,10 @@
 		if mem != x1.Args[1] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37174,8 +37174,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37222,10 +37222,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37245,8 +37245,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37293,10 +37293,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37316,8 +37316,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37364,10 +37364,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37394,8 +37394,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37442,10 +37442,10 @@
 			break
 		}
 		y := or.Args[1]
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37465,8 +37465,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37513,10 +37513,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37536,8 +37536,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37584,10 +37584,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37607,8 +37607,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37655,10 +37655,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37678,8 +37678,8 @@
 		return true
 	}
 	// match: (ORW s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)) or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		s1 := v.Args[0]
@@ -37726,10 +37726,10 @@
 		if mem != x0.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37749,8 +37749,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -37797,10 +37797,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37820,8 +37820,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -37868,10 +37868,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37891,8 +37891,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -37939,10 +37939,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -37962,8 +37962,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} p idx mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -38010,10 +38010,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -38033,8 +38033,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -38081,10 +38081,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -38111,8 +38111,8 @@
 	typ := &b.Func.Config.Types
 	_ = typ
 	// match: (ORW or:(ORW s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem)) y) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -38159,10 +38159,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -38182,8 +38182,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} p idx mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -38230,10 +38230,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
@@ -38253,8 +38253,8 @@
 		return true
 	}
 	// match: (ORW or:(ORW y s0:(SLWconst [j0] x0:(MOVBZloadidx [i0] {s} idx p mem))) s1:(SLWconst [j1] x1:(MOVBZloadidx [i1] {s} idx p mem)))
-	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
-	// result: @mergePoint(b,x0,x1) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
+	// cond: p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0 % 16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b,x0,x1,y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)
+	// result: @mergePoint(b,x0,x1,y) (ORW <v.Type> (SLWconst <v.Type> [j0] (MOVHZreg (MOVHBRloadidx [i0] {s} p idx mem))) y)
 	for {
 		_ = v.Args[1]
 		or := v.Args[0]
@@ -38301,10 +38301,10 @@
 		if mem != x1.Args[2] {
 			break
 		}
-		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
+		if !(p.Op != OpSB && i1 == i0+1 && j1 == j0+8 && j0%16 == 0 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && or.Uses == 1 && mergePoint(b, x0, x1, y) != nil && clobber(x0) && clobber(x1) && clobber(s0) && clobber(s1) && clobber(or)) {
 			break
 		}
-		b = mergePoint(b, x0, x1)
+		b = mergePoint(b, x0, x1, y)
 		v0 := b.NewValue0(v.Pos, OpS390XORW, v.Type)
 		v.reset(OpCopy)
 		v.AddArg(v0)
diff --git a/test/fixedbugs/issue32680.go b/test/fixedbugs/issue32680.go
new file mode 100644
index 0000000..27cba6b
--- /dev/null
+++ b/test/fixedbugs/issue32680.go
@@ -0,0 +1,23 @@
+// run -gcflags=-d=ssa/check/on
+
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// As of 2019-06, bug affects/ed amd64 and s390x.
+
+package main
+
+var foo = []byte{105, 57, 172, 152}
+
+func main() {
+	for i := 0; i < len(foo); i += 4 {
+		// Requires inlining and non-constant i
+		// Note the bug/fix also apply to different widths, but was unable to reproduce for those.
+		println(readLittleEndian32_2(foo[i], foo[i+1], foo[i+2], foo[i+3]))
+	}
+}
+
+func readLittleEndian32_2(a, b, c, d byte) uint32 {
+	return uint32(a) | (uint32(b) << 8) | (uint32(c) << 16) | (uint32(d) << 24)
+}
diff --git a/test/fixedbugs/issue32680.out b/test/fixedbugs/issue32680.out
new file mode 100644
index 0000000..4d60a97
--- /dev/null
+++ b/test/fixedbugs/issue32680.out
@@ -0,0 +1 @@
+2561423721