[dev.ssa] cmd/compile: get rid of +0.0 hack
The conversion from -0.0 to +0.0 happens inside mpgetflt now.
The SSA code doesn't need this fix any more.
Change-Id: I6cd4f4a4e75b13cf284ebbb95b08af050ed9891c
Reviewed-on: https://go-review.googlesource.com/18942
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
index 9dd5859..5b8d242 100644
--- a/src/cmd/compile/internal/gc/ssa.go
+++ b/src/cmd/compile/internal/gc/ssa.go
@@ -1347,11 +1347,9 @@
f := n.Val().U.(*Mpflt)
switch n.Type.Size() {
case 4:
- // -0.0 literals need to be treated as if they were 0.0, adding 0.0 here
- // accomplishes this while not affecting other values.
- return s.constFloat32(n.Type, mpgetflt32(f)+0.0)
+ return s.constFloat32(n.Type, mpgetflt32(f))
case 8:
- return s.constFloat64(n.Type, mpgetflt(f)+0.0)
+ return s.constFloat64(n.Type, mpgetflt(f))
default:
s.Fatalf("bad float size %d", n.Type.Size())
return nil
@@ -1364,18 +1362,16 @@
case 8:
{
pt := Types[TFLOAT32]
- // -0.0 literals need to be treated as if they were 0.0, adding 0.0 here
- // accomplishes this while not affecting other values.
return s.newValue2(ssa.OpComplexMake, n.Type,
- s.constFloat32(pt, mpgetflt32(r)+0.0),
- s.constFloat32(pt, mpgetflt32(i)+0.0))
+ s.constFloat32(pt, mpgetflt32(r)),
+ s.constFloat32(pt, mpgetflt32(i)))
}
case 16:
{
pt := Types[TFLOAT64]
return s.newValue2(ssa.OpComplexMake, n.Type,
- s.constFloat64(pt, mpgetflt(r)+0.0),
- s.constFloat64(pt, mpgetflt(i)+0.0))
+ s.constFloat64(pt, mpgetflt(r)),
+ s.constFloat64(pt, mpgetflt(i)))
}
default:
s.Fatalf("bad float size %d", n.Type.Size())