diff options
author | Carlos Amedee <carlos@golang.org> | 2023-01-10 13:50:39 -0500 |
---|---|---|
committer | Carlos Amedee <carlos@golang.org> | 2023-01-10 13:50:39 -0500 |
commit | 7058c2cb4132291e1b6c9498a9a6f13a9a70ff85 (patch) | |
tree | 7701af5d953be20ade9ca141c562b3262c703716 /src/cmd/compile/internal/ssa/rewriteRISCV64.go | |
parent | fc1ed37e824b2f87e287e1bc4597253f1b30b3b3 (diff) | |
parent | 581603cb7d02019bbf4ff508014038f3120a3dcb (diff) | |
download | go-dev.boringcrypto.go1.18.tar.gz go-dev.boringcrypto.go1.18.zip |
[dev.boringcrypto.go1.18] all: merge go1.18.10 into dev.boringcrypto.go1.18dev.boringcrypto.go1.18
Change-Id: I0dcc4e288cba62382f6bd06b2cf0ff843309220c
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteRISCV64.go')
-rw-r--r-- | src/cmd/compile/internal/ssa/rewriteRISCV64.go | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteRISCV64.go b/src/cmd/compile/internal/ssa/rewriteRISCV64.go index 6828d97ff8..b277979061 100644 --- a/src/cmd/compile/internal/ssa/rewriteRISCV64.go +++ b/src/cmd/compile/internal/ssa/rewriteRISCV64.go @@ -61,8 +61,7 @@ func rewriteValueRISCV64(v *Value) bool { case OpAtomicAnd8: return rewriteValueRISCV64_OpAtomicAnd8(v) case OpAtomicCompareAndSwap32: - v.Op = OpRISCV64LoweredAtomicCas32 - return true + return rewriteValueRISCV64_OpAtomicCompareAndSwap32(v) case OpAtomicCompareAndSwap64: v.Op = OpRISCV64LoweredAtomicCas64 return true @@ -765,6 +764,27 @@ func rewriteValueRISCV64_OpAtomicAnd8(v *Value) bool { return true } } +func rewriteValueRISCV64_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(OpRISCV64LoweredAtomicCas32) + v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) + v0.AddArg(old) + v.AddArg4(ptr, v0, new, mem) + return true + } +} func rewriteValueRISCV64_OpAtomicOr8(v *Value) bool { v_2 := v.Args[2] v_1 := v.Args[1] |