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Add neverHasSideEffects=1 on a couple move instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190259 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2013-09-08 00:50:45 +00:00
parent 89bf2e163c
commit 704e8d41fe
2 changed files with 2 additions and 2 deletions
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2
lib/Target/X86/X86InstrInfo.td
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@ -1216,7 +1216,7 @@ def MOV8rr_NOREX : I<0x88, MRMDestReg,
(outs GR8_NOREX:$dst), (ins GR8_NOREX:$src), (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>, "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
Sched<[WriteMove]>; Sched<[WriteMove]>;
let mayStore = 1 in let mayStore = 1, neverHasSideEffects = 1 in
def MOV8mr_NOREX : I<0x88, MRMDestMem, def MOV8mr_NOREX : I<0x88, MRMDestMem,
(outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src), (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],

2
lib/Target/X86/X86InstrSSE.td
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@ -3643,7 +3643,7 @@ def MOVDQUrm : I<0x6F, MRMSrcMem, (outs VR128:$dst), (ins i128mem:$src),
XS, Requires<[UseSSE2]>; 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), def MOVDQAmr : PDI<0x7F, MRMDestMem, (outs), (ins i128mem:$dst, VR128:$src),
"movdqa\t{$src, $dst|$dst, $src}", "movdqa\t{$src, $dst|$dst, $src}",
[/*(alignedstore (v2i64 VR128:$src), addr:$dst)*/], [/*(alignedstore (v2i64 VR128:$src), addr:$dst)*/],