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| author | Michele Di Pede <michele.di.pede@gmail.com> | 2020-10-30 11:55:18 +0100 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2020-10-30 19:48:57 +0000 |
| commit | 94b3fd06cb431358f45786246cd279c8bdb9370b (patch) | |
| tree | 3ee4e87368a5aa793e7bd40a7a779b082a0dda77 /src/cmd/compile/internal/amd64 | |
| parent | 7191f1136b1526703c5af7fc04ff948e3a6c26b9 (diff) | |
| download | go-94b3fd06cb431358f45786246cd279c8bdb9370b.tar.gz go-94b3fd06cb431358f45786246cd279c8bdb9370b.zip | |
cmd/compile: code cleanup
Change-Id: Ibf68e663f29a5cb3b64a7d923c005c16da647769
Reviewed-on: https://go-review.googlesource.com/c/go/+/266537
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/amd64')
| -rw-r--r-- | src/cmd/compile/internal/amd64/ssa.go | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/cmd/compile/internal/amd64/ssa.go b/src/cmd/compile/internal/amd64/ssa.go index f30a47b903..76e33a3689 100644 --- a/src/cmd/compile/internal/amd64/ssa.go +++ b/src/cmd/compile/internal/amd64/ssa.go @@ -42,10 +42,11 @@ func ssaMarkMoves(s *gc.SSAGenState, b *ssa.Block) { // loadByType returns the load instruction of the given type. func loadByType(t *types.Type) obj.As { // Avoid partial register write - if !t.IsFloat() && t.Size() <= 2 { - if t.Size() == 1 { + if !t.IsFloat() { + switch t.Size() { + case 1: return x86.AMOVBLZX - } else { + case 2: return x86.AMOVWLZX } } @@ -1070,7 +1071,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) { p := s.Prog(v.Op.Asm()) val := v.AuxInt // 0 means math.RoundToEven, 1 Floor, 2 Ceil, 3 Trunc - if val != 0 && val != 1 && val != 2 && val != 3 { + if val < 0 || val > 3 { v.Fatalf("Invalid rounding mode") } p.From.Offset = val |