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| author | Craig Topper <craig.topper@gmail.com> | 2012-07-30 07:14:07 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-07-30 07:14:07 +0000 |
| commit | 818f6094591f18ee2cb19c4a09bec98443b8caac (patch) | |
| tree | c84e37a1fe92b92d6a59d52937ea201b90200db0 /lib/Target/X86/X86InstrExtension.td | |
| parent | 49d86c9eb95bf0233cf749c79f0e10d03f33c58e (diff) | |
| download | llvm-818f6094591f18ee2cb19c4a09bec98443b8caac.tar.gz llvm-818f6094591f18ee2cb19c4a09bec98443b8caac.tar.bz2 llvm-818f6094591f18ee2cb19c4a09bec98443b8caac.tar.xz | |
Mark MOVZX16/MOVSX16 as neverHasSideEffects/mayLoad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160953 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrExtension.td')
| -rw-r--r-- | lib/Target/X86/X86InstrExtension.td | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrExtension.td b/lib/Target/X86/X86InstrExtension.td index 776667177d..2eb454ded2 100644 --- a/lib/Target/X86/X86InstrExtension.td +++ b/lib/Target/X86/X86InstrExtension.td @@ -39,12 +39,15 @@ let neverHasSideEffects = 1 in { // Sign/Zero extenders +let neverHasSideEffects = 1 in { def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src), "movs{bw|x}\t{$src, $dst|$dst, $src}", [], IIC_MOVSX_R16_R8>, TB, OpSize; +let mayLoad = 1 in def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src), "movs{bw|x}\t{$src, $dst|$dst, $src}", [], IIC_MOVSX_R16_M8>, TB, OpSize; +} // neverHasSideEffects = 1 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8:$src), "movs{bl|x}\t{$src, $dst|$dst, $src}", [(set GR32:$dst, (sext GR8:$src))], IIC_MOVSX>, TB; @@ -59,12 +62,15 @@ def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src), [(set GR32:$dst, (sextloadi32i16 addr:$src))], IIC_MOVSX>, TB; +let neverHasSideEffects = 1 in { def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src), "movz{bw|x}\t{$src, $dst|$dst, $src}", [], IIC_MOVZX_R16_R8>, TB, OpSize; +let mayLoad = 1 in def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src), "movz{bw|x}\t{$src, $dst|$dst, $src}", [], IIC_MOVZX_R16_M8>, TB, OpSize; +} // neverHasSideEffects = 1 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src), "movz{bl|x}\t{$src, $dst|$dst, $src}", [(set GR32:$dst, (zext GR8:$src))], IIC_MOVZX>, TB; |