diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewrite386.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewrite386.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/rewrite386.go b/src/cmd/compile/internal/ssa/rewrite386.go index eca4817b9b..2acdccd568 100644 --- a/src/cmd/compile/internal/ssa/rewrite386.go +++ b/src/cmd/compile/internal/ssa/rewrite386.go @@ -1027,6 +1027,19 @@ func rewriteValue386_Op386ADDLconst(v *Value) bool { v.AddArg(x) return true } + // match: (ADDLconst [c] x:(SP)) + // result: (LEAL [c] x) + for { + c := auxIntToInt32(v.AuxInt) + x := v_0 + if x.Op != OpSP { + break + } + v.reset(Op386LEAL) + v.AuxInt = int32ToAuxInt(c) + v.AddArg(x) + return true + } // match: (ADDLconst [c] (LEAL1 [d] {s} x y)) // cond: is32Bit(int64(c)+int64(d)) // result: (LEAL1 [c+d] {s} x y) |