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cmd/compile: remove nil check if followed by storezero on ARM64, MIPS64

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Change-Id: Ib90c92056fa70b27feb734837794ef53e842c41a
Reviewed-on: https://go-review.googlesource.com/28513
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Cherry Zhang 2016-09-06 13:56:48 -04:00
parent 0e0ab20334
commit 4d5bb76279
2 changed files with 4 additions and 2 deletions
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3
src/cmd/compile/internal/arm64/ssa.go
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@ -637,7 +637,8 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
ssa.OpARM64MOVWload, ssa.OpARM64MOVWUload, ssa.OpARM64MOVDload,
ssa.OpARM64FMOVSload, ssa.OpARM64FMOVDload,
ssa.OpARM64MOVBstore, ssa.OpARM64MOVHstore, ssa.OpARM64MOVWstore, ssa.OpARM64MOVDstore,
ssa.OpARM64FMOVSstore, ssa.OpARM64FMOVDstore:
ssa.OpARM64FMOVSstore, ssa.OpARM64FMOVDstore,
ssa.OpARM64MOVBstorezero, ssa.OpARM64MOVHstorezero, ssa.OpARM64MOVWstorezero, ssa.OpARM64MOVDstorezero:
// arg0 is ptr, auxint is offset
if w.Args[0] == v.Args[0] && w.Aux == nil && w.AuxInt >= 0 && w.AuxInt < minZeroPage {
if gc.Debug_checknil != 0 && int(v.Line) > 1 {

3
src/cmd/compile/internal/mips64/ssa.go
View File

@ -660,7 +660,8 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
ssa.OpMIPS64MOVWload, ssa.OpMIPS64MOVWUload, ssa.OpMIPS64MOVVload,
ssa.OpMIPS64MOVFload, ssa.OpMIPS64MOVDload,
ssa.OpMIPS64MOVBstore, ssa.OpMIPS64MOVHstore, ssa.OpMIPS64MOVWstore, ssa.OpMIPS64MOVVstore,
ssa.OpMIPS64MOVFstore, ssa.OpMIPS64MOVDstore:
ssa.OpMIPS64MOVFstore, ssa.OpMIPS64MOVDstore,
ssa.OpMIPS64MOVBstorezero, ssa.OpMIPS64MOVHstorezero, ssa.OpMIPS64MOVWstorezero, ssa.OpMIPS64MOVVstorezero:
// arg0 is ptr, auxint is offset
if w.Args[0] == v.Args[0] && w.Aux == nil && w.AuxInt >= 0 && w.AuxInt < minZeroPage {
if gc.Debug_checknil != 0 && int(v.Line) > 1 {