[dev.ssa] cmd/compile: add compose/decompose for complex, phi, constants
Still to do: arithmetic
Change-Id: I31fd23b34980c9ed4b4e304b8597134b2ba6ca5c
Reviewed-on: https://go-review.googlesource.com/14024
Reviewed-by: Keith Randall <khr@golang.org>
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
index d672eb5..94fdf0e 100644
--- a/src/cmd/compile/internal/gc/ssa.go
+++ b/src/cmd/compile/internal/gc/ssa.go
@@ -1113,6 +1113,29 @@
s.Fatalf("bad float size %d", n.Type.Size())
return nil
}
+ case CTCPLX:
+ c := n.Val().U.(*Mpcplx)
+ r := &c.Real
+ i := &c.Imag
+ switch n.Type.Size() {
+ case 8:
+ {
+ pt := Types[TFLOAT32]
+ return s.newValue2(ssa.OpComplexMake, n.Type,
+ s.constFloat32(pt, mpgetflt32(r)),
+ s.constFloat32(pt, mpgetflt32(i)))
+ }
+ case 16:
+ {
+ pt := Types[TFLOAT64]
+ return s.newValue2(ssa.OpComplexMake, n.Type,
+ s.constFloat32(pt, mpgetflt(r)),
+ s.constFloat32(pt, mpgetflt(i)))
+ }
+ default:
+ s.Fatalf("bad float size %d", n.Type.Size())
+ return nil
+ }
default:
s.Unimplementedf("unhandled OLITERAL %v", n.Val().Ctype())
@@ -1654,6 +1677,18 @@
default:
s.Fatalf("bad sized float type %s", t)
}
+ case t.IsComplex():
+ switch t.Size() {
+ case 8:
+ z := s.constFloat32(Types[TFLOAT32], 0)
+ return s.newValue2(ssa.OpComplexMake, t, z, z)
+ case 16:
+ z := s.constFloat64(Types[TFLOAT64], 0)
+ return s.newValue2(ssa.OpComplexMake, t, z, z)
+ default:
+ s.Fatalf("bad sized complex type %s", t)
+ }
+
case t.IsString():
return s.entryNewValue0A(ssa.OpConstString, t, "")
case t.IsPtr():
@@ -3328,6 +3363,8 @@
func (s *ssaExport) TypeUInt16() ssa.Type { return Types[TUINT16] }
func (s *ssaExport) TypeUInt32() ssa.Type { return Types[TUINT32] }
func (s *ssaExport) TypeUInt64() ssa.Type { return Types[TUINT64] }
+func (s *ssaExport) TypeFloat32() ssa.Type { return Types[TFLOAT32] }
+func (s *ssaExport) TypeFloat64() ssa.Type { return Types[TFLOAT64] }
func (s *ssaExport) TypeInt() ssa.Type { return Types[TINT] }
func (s *ssaExport) TypeUintptr() ssa.Type { return Types[TUINTPTR] }
func (s *ssaExport) TypeString() ssa.Type { return Types[TSTRING] }
