diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteMIPS64.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewriteMIPS64.go | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteMIPS64.go b/src/cmd/compile/internal/ssa/rewriteMIPS64.go index 1fbd556b5c..6a0fd3ad6e 100644 --- a/src/cmd/compile/internal/ssa/rewriteMIPS64.go +++ b/src/cmd/compile/internal/ssa/rewriteMIPS64.go @@ -52,8 +52,7 @@ func rewriteValueMIPS64(v *Value) bool { v.Op = OpMIPS64LoweredAtomicAdd64 return true case OpAtomicCompareAndSwap32: - v.Op = OpMIPS64LoweredAtomicCas32 - return true + return rewriteValueMIPS64_OpAtomicCompareAndSwap32(v) case OpAtomicCompareAndSwap64: v.Op = OpMIPS64LoweredAtomicCas64 return true @@ -697,6 +696,27 @@ func rewriteValueMIPS64_OpAddr(v *Value) bool { return true } } +func rewriteValueMIPS64_OpAtomicCompareAndSwap32(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicCompareAndSwap32 ptr old new mem) + // result: (LoweredAtomicCas32 ptr (SignExt32to64 old) new mem) + for { + ptr := v_0 + old := v_1 + new := v_2 + mem := v_3 + v.reset(OpMIPS64LoweredAtomicCas32) + v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) + v0.AddArg(old) + v.AddArg4(ptr, v0, new, mem) + return true + } +} func rewriteValueMIPS64_OpAvg64u(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] |