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| author | fanzha02 <fannie.zhang@arm.com> | 2020-08-27 17:34:59 +0800 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2020-09-03 14:45:27 +0000 |
| commit | ae658cb19a265f3f4694cd4aec508b4565bda6aa (patch) | |
| tree | 8c6fdaa2dd0938cb4d0e89e83013031c85f572f9 /src/cmd/compile/internal/arm64 | |
| parent | a538b59fd2428ba4d13f296d7483febf2fc05f97 (diff) | |
| download | go-ae658cb19a265f3f4694cd4aec508b4565bda6aa.tar.gz go-ae658cb19a265f3f4694cd4aec508b4565bda6aa.zip | |
cmd/compile: store the comparison pseudo-ops of arm64 conditional instructions in AuxInt
The current implementation stores the comparison pseudo-ops of arm64
conditional instructions (CSEL/CSEL0) in Aux, this patch modifies it
and stores it in AuxInt, which can avoid the allocation.
Change-Id: I0b69e51f63acd84c6878c6a59ccf6417501a8cfc
Reviewed-on: https://go-review.googlesource.com/c/go/+/252517
Run-TryBot: fannie zhang <Fannie.Zhang@arm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/arm64')
| -rw-r--r-- | src/cmd/compile/internal/arm64/ssa.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/arm64/ssa.go b/src/cmd/compile/internal/arm64/ssa.go index b6bb81a847..1d6ea6b9d8 100644 --- a/src/cmd/compile/internal/arm64/ssa.go +++ b/src/cmd/compile/internal/arm64/ssa.go @@ -816,7 +816,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) { } p := s.Prog(v.Op.Asm()) p.From.Type = obj.TYPE_REG // assembler encodes conditional bits in Reg - p.From.Reg = condBits[v.Aux.(ssa.Op)] + p.From.Reg = condBits[ssa.Op(v.AuxInt)] p.Reg = v.Args[0].Reg() p.SetFrom3(obj.Addr{Type: obj.TYPE_REG, Reg: r1}) p.To.Type = obj.TYPE_REG |