cmd/compile/internal/gc: simplify `x = x <op> y` to `x <op>= y`
Change-Id: I5afba2c10372252be4b65dae7a95461722de904f
Reviewed-on: https://go-review.googlesource.com/135835
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/src/cmd/compile/internal/gc/esc.go b/src/cmd/compile/internal/gc/esc.go
index cd85a38..ad4d118 100644
--- a/src/cmd/compile/internal/gc/esc.go
+++ b/src/cmd/compile/internal/gc/esc.go
@@ -1419,7 +1419,7 @@
}
s += "contentToHeap"
}
- for em >>= EscReturnBits; em != 0; em = em >> bitsPerOutputInTag {
+ for em >>= EscReturnBits; em != 0; em >>= bitsPerOutputInTag {
// See encoding description above
if s != "" {
s += " "
@@ -1469,7 +1469,7 @@
em0 := em
dstsi := 0
- for em >>= EscReturnBits; em != 0 && dstsi < dsts.Len(); em = em >> bitsPerOutputInTag {
+ for em >>= EscReturnBits; em != 0 && dstsi < dsts.Len(); em >>= bitsPerOutputInTag {
// Prefer the lowest-level path to the reference (for escape purposes).
// Two-bit encoding (for example. 1, 3, and 4 bits are other options)
// 01 = 0-level
diff --git a/src/cmd/compile/internal/gc/walk.go b/src/cmd/compile/internal/gc/walk.go
index 2c0bc4b..0b382bb 100644
--- a/src/cmd/compile/internal/gc/walk.go
+++ b/src/cmd/compile/internal/gc/walk.go
@@ -1312,7 +1312,7 @@
b = conv(b, convType)
b = nod(OLSH, b, nodintconst(int64(8*offset)))
ncsubstr = nod(OOR, ncsubstr, b)
- csubstr = csubstr | int64(s[i+offset])<<uint8(8*offset)
+ csubstr |= int64(s[i+offset]) << uint8(8*offset)
}
csubstrPart := nodintconst(csubstr)
// Compare "step" bytes as once
