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| author | Joel Sing <joel@sing.id.au> | 2020-03-03 03:45:22 +1100 |
|---|---|---|
| committer | Joel Sing <joel@sing.id.au> | 2020-03-15 08:19:07 +0000 |
| commit | 26154f31ad6c801d8bad5ef58df1e9263c6beec7 (patch) | |
| tree | c9dd979940d6dcea886b70bdf41cbe17331c995b /src/cmd/compile/internal/riscv64 | |
| parent | 7b2f0ba5b91b4b2b659fb46638ff56f51be9b2b5 (diff) | |
| download | go-26154f31ad6c801d8bad5ef58df1e9263c6beec7.tar.gz go-26154f31ad6c801d8bad5ef58df1e9263c6beec7.zip | |
cmd/compile: use NEG/NEGW pseudo-instructions on riscv64
Also rewrite subtraction of zero to NEG/NEGW.
Change-Id: I216e286d1860055f2a07fe2f772cd50f366ea097
Reviewed-on: https://go-review.googlesource.com/c/go/+/221691
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src/cmd/compile/internal/riscv64')
| -rw-r--r-- | src/cmd/compile/internal/riscv64/ssa.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/riscv64/ssa.go b/src/cmd/compile/internal/riscv64/ssa.go index 798e54a907..631e069a4e 100644 --- a/src/cmd/compile/internal/riscv64/ssa.go +++ b/src/cmd/compile/internal/riscv64/ssa.go @@ -251,7 +251,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) { ssa.OpRISCV64FMVSX, ssa.OpRISCV64FMVDX, ssa.OpRISCV64FCVTSW, ssa.OpRISCV64FCVTSL, ssa.OpRISCV64FCVTWS, ssa.OpRISCV64FCVTLS, ssa.OpRISCV64FCVTDW, ssa.OpRISCV64FCVTDL, ssa.OpRISCV64FCVTWD, ssa.OpRISCV64FCVTLD, ssa.OpRISCV64FCVTDS, ssa.OpRISCV64FCVTSD, - ssa.OpRISCV64NOT: + ssa.OpRISCV64NOT, ssa.OpRISCV64NEG, ssa.OpRISCV64NEGW: p := s.Prog(v.Op.Asm()) p.From.Type = obj.TYPE_REG p.From.Reg = v.Args[0].Reg() |