diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewritePPC64.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewritePPC64.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/rewritePPC64.go b/src/cmd/compile/internal/ssa/rewritePPC64.go index 4ac5eec073..266ac14c38 100644 --- a/src/cmd/compile/internal/ssa/rewritePPC64.go +++ b/src/cmd/compile/internal/ssa/rewritePPC64.go @@ -4628,6 +4628,24 @@ func rewriteValuePPC64_OpPPC64CLRLSLDI(v *Value) bool { v.AddArg(x) return true } + // match: (CLRLSLDI [c] (SRDconst [s] x)) + // cond: mergePPC64ClrlsldiSrd(int64(c),s) != 0 + // result: (RLWINM [mergePPC64ClrlsldiSrd(int64(c),s)] x) + for { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpPPC64SRDconst { + break + } + s := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(mergePPC64ClrlsldiSrd(int64(c), s) != 0) { + break + } + v.reset(OpPPC64RLWINM) + v.AuxInt = int64ToAuxInt(mergePPC64ClrlsldiSrd(int64(c), s)) + v.AddArg(x) + return true + } // match: (CLRLSLDI [c] i:(RLWINM [s] x)) // cond: mergePPC64ClrlsldiRlwinm(c,s) != 0 // result: (RLWINM [mergePPC64ClrlsldiRlwinm(c,s)] x) |