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| author | Keith Randall <khr@golang.org> | 2021-09-19 13:51:37 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2021-09-20 16:25:36 +0000 |
| commit | 6f35430faa622bad63a527c97e87b9291e480688 (patch) | |
| tree | a022e734eb9c30da548910da8960d10efbbc21fa /src/cmd/compile/internal/arm64/ssa.go | |
| parent | 2d9b4864201d76bd30b55a7d74d73a24cc3ae165 (diff) | |
| download | go-6f35430faa622bad63a527c97e87b9291e480688.tar.gz go-6f35430faa622bad63a527c97e87b9291e480688.zip | |
cmd/compile: allow rotates to be merged with logical ops on arm64
Fixes #48002
Change-Id: Ie3a157d55b291f5ac2ef4845e6ce4fefd84fc642
Reviewed-on: https://go-review.googlesource.com/c/go/+/350912
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Diffstat (limited to 'src/cmd/compile/internal/arm64/ssa.go')
| -rw-r--r-- | src/cmd/compile/internal/arm64/ssa.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/arm64/ssa.go b/src/cmd/compile/internal/arm64/ssa.go index c5e7a08914..4770a0c488 100644 --- a/src/cmd/compile/internal/arm64/ssa.go +++ b/src/cmd/compile/internal/arm64/ssa.go @@ -315,6 +315,8 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) { genshift(s, v.Op.Asm(), 0, v.Args[0].Reg(), v.Reg(), arm64.SHIFT_LR, v.AuxInt) case ssa.OpARM64MVNshiftRA, ssa.OpARM64NEGshiftRA: genshift(s, v.Op.Asm(), 0, v.Args[0].Reg(), v.Reg(), arm64.SHIFT_AR, v.AuxInt) + case ssa.OpARM64MVNshiftRO: + genshift(s, v.Op.Asm(), 0, v.Args[0].Reg(), v.Reg(), arm64.SHIFT_ROR, v.AuxInt) case ssa.OpARM64ADDshiftLL, ssa.OpARM64SUBshiftLL, ssa.OpARM64ANDshiftLL, @@ -342,6 +344,13 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) { ssa.OpARM64ORNshiftRA, ssa.OpARM64BICshiftRA: genshift(s, v.Op.Asm(), v.Args[0].Reg(), v.Args[1].Reg(), v.Reg(), arm64.SHIFT_AR, v.AuxInt) + case ssa.OpARM64ANDshiftRO, + ssa.OpARM64ORshiftRO, + ssa.OpARM64XORshiftRO, + ssa.OpARM64EONshiftRO, + ssa.OpARM64ORNshiftRO, + ssa.OpARM64BICshiftRO: + genshift(s, v.Op.Asm(), v.Args[0].Reg(), v.Args[1].Reg(), v.Reg(), arm64.SHIFT_ROR, v.AuxInt) case ssa.OpARM64MOVDconst: p := s.Prog(v.Op.Asm()) p.From.Type = obj.TYPE_CONST @@ -389,6 +398,8 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) { genshift(s, v.Op.Asm(), v.Args[0].Reg(), v.Args[1].Reg(), 0, arm64.SHIFT_LR, v.AuxInt) case ssa.OpARM64CMPshiftRA, ssa.OpARM64CMNshiftRA, ssa.OpARM64TSTshiftRA: genshift(s, v.Op.Asm(), v.Args[0].Reg(), v.Args[1].Reg(), 0, arm64.SHIFT_AR, v.AuxInt) + case ssa.OpARM64TSTshiftRO: + genshift(s, v.Op.Asm(), v.Args[0].Reg(), v.Args[1].Reg(), 0, arm64.SHIFT_ROR, v.AuxInt) case ssa.OpARM64MOVDaddr: p := s.Prog(arm64.AMOVD) p.From.Type = obj.TYPE_ADDR |