[dev.ssa] cmd/compile/internal/ssa: implement OSQRT
Change-Id: Iec61ca1bdc064c29ceca6d47f600d5643d0a64dd
Reviewed-on: https://go-review.googlesource.com/14533
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
index 7086a4f..a0bd07d 100644
--- a/src/cmd/compile/internal/gc/ssa.go
+++ b/src/cmd/compile/internal/gc/ssa.go
@@ -988,6 +988,8 @@
opAndType{OLROT, TUINT16}: ssa.OpLrot16,
opAndType{OLROT, TUINT32}: ssa.OpLrot32,
opAndType{OLROT, TUINT64}: ssa.OpLrot64,
+
+ opAndType{OSQRT, TFLOAT64}: ssa.OpSqrt,
}
func (s *state) concreteEtype(t *Type) uint8 {
@@ -1643,7 +1645,7 @@
s.newValue1(negop, tp, s.newValue1(ssa.OpComplexImag, tp, a)))
}
return s.newValue1(s.ssaOp(n.Op, n.Type), a.Type, a)
- case ONOT, OCOM:
+ case ONOT, OCOM, OSQRT:
a := s.expr(n.Left)
return s.newValue1(s.ssaOp(n.Op, n.Type), a.Type, a)
case OIMAG, OREAL:
@@ -3325,6 +3327,12 @@
p := Prog(v.Op.Asm())
p.To.Type = obj.TYPE_REG
p.To.Reg = r
+ case ssa.OpAMD64SQRTSD:
+ p := Prog(v.Op.Asm())
+ p.From.Type = obj.TYPE_REG
+ p.From.Reg = regnum(v.Args[0])
+ p.To.Type = obj.TYPE_REG
+ p.To.Reg = regnum(v)
case ssa.OpSP, ssa.OpSB:
// nothing to do
case ssa.OpAMD64SETEQ, ssa.OpAMD64SETNE,
