diff options
Diffstat (limited to 'src/cmd/compile/internal/x86/ssa.go')
| -rw-r--r-- | src/cmd/compile/internal/x86/ssa.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/x86/ssa.go b/src/cmd/compile/internal/x86/ssa.go index e941e6cda7..3005a19bfd 100644 --- a/src/cmd/compile/internal/x86/ssa.go +++ b/src/cmd/compile/internal/x86/ssa.go @@ -456,6 +456,27 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) { p.From.Val = math.Float64frombits(uint64(v.AuxInt)) p.To.Type = obj.TYPE_REG p.To.Reg = x + case ssa.Op386MOVSSconst1, ssa.Op386MOVSDconst1: + var literal string + if v.Op == ssa.Op386MOVSDconst1 { + literal = fmt.Sprintf("$f64.%016x", uint64(v.AuxInt)) + } else { + literal = fmt.Sprintf("$f32.%08x", math.Float32bits(float32(math.Float64frombits(uint64(v.AuxInt))))) + } + p := gc.Prog(x86.ALEAL) + p.From.Type = obj.TYPE_MEM + p.From.Name = obj.NAME_EXTERN + p.From.Sym = obj.Linklookup(gc.Ctxt, literal, 0) + p.From.Sym.Local = true + p.To.Type = obj.TYPE_REG + p.To.Reg = gc.SSARegNum(v) + case ssa.Op386MOVSSconst2, ssa.Op386MOVSDconst2: + p := gc.Prog(v.Op.Asm()) + p.From.Type = obj.TYPE_MEM + p.From.Reg = gc.SSARegNum(v.Args[0]) + p.To.Type = obj.TYPE_REG + p.To.Reg = gc.SSARegNum(v) + case ssa.Op386MOVSSload, ssa.Op386MOVSDload, ssa.Op386MOVLload, ssa.Op386MOVWload, ssa.Op386MOVBload, ssa.Op386MOVBLSXload, ssa.Op386MOVWLSXload: p := gc.Prog(v.Op.Asm()) p.From.Type = obj.TYPE_MEM @@ -872,6 +893,8 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) { if gc.Debug_checknil != 0 && v.Line > 1 { // v.Line==1 in generated wrappers gc.Warnl(v.Line, "generated nil check") } + case ssa.Op386FCHS: + v.Fatalf("FCHS in non-387 mode") default: v.Unimplementedf("genValue not implemented: %s", v.LongString()) } |