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| author | Craig Topper <craig.topper@gmail.com> | 2013-09-08 00:50:45 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2013-09-08 00:50:45 +0000 |
| commit | 704e8d41fec124ce97060e1b72f531c812412d2d (patch) | |
| tree | 8d7a51aba41d719d1556385d3d165ad8580d0561 /lib/Target/X86 | |
| parent | 89bf2e163c72ec8668905cc61da5b20856f61070 (diff) | |
| download | external_llvm-704e8d41fec124ce97060e1b72f531c812412d2d.zip external_llvm-704e8d41fec124ce97060e1b72f531c812412d2d.tar.gz external_llvm-704e8d41fec124ce97060e1b72f531c812412d2d.tar.bz2 | |
Add neverHasSideEffects=1 on a couple move instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190259 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 2 | ||||
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 9aa75ff..3123cbc 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1216,7 +1216,7 @@ def MOV8rr_NOREX : I<0x88, MRMDestReg, (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src), "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>, Sched<[WriteMove]>; -let mayStore = 1 in +let mayStore = 1, neverHasSideEffects = 1 in def MOV8mr_NOREX : I<0x88, MRMDestMem, (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src), "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index b1cfbee..fd525f6 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -3643,7 +3643,7 @@ def MOVDQUrm : I<0x6F, MRMSrcMem, (outs VR128:$dst), (ins i128mem:$src), XS, Requires<[UseSSE2]>; } -let mayStore = 1, SchedRW = [WriteStore] in { +let mayStore = 1, neverHasSideEffects = 1, SchedRW = [WriteStore] in { def MOVDQAmr : PDI<0x7F, MRMDestMem, (outs), (ins i128mem:$dst, VR128:$src), "movdqa\t{$src, $dst|$dst, $src}", [/*(alignedstore (v2i64 VR128:$src), addr:$dst)*/], |