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| author | David Woodhouse <dwmw2@infradead.org> | 2014-01-22 15:08:42 +0000 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2014-01-22 15:08:42 +0000 |
| commit | 51cd16cbd592d1b8da3888d6a4f9c684ed50a02a (patch) | |
| tree | e8e0447cd598648087ad94758a4d9fbfbe2b0e2a /lib/Target/X86/X86InstrInfo.td | |
| parent | 674140fc3e47271f39a0e25cd41d7afa507b8f25 (diff) | |
| download | llvm-51cd16cbd592d1b8da3888d6a4f9c684ed50a02a.tar.gz llvm-51cd16cbd592d1b8da3888d6a4f9c684ed50a02a.tar.bz2 llvm-51cd16cbd592d1b8da3888d6a4f9c684ed50a02a.tar.xz | |
[x86] Allow segment and address-size overrides for MOVS[BWLQ] (PR9385)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199807 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 0fe93cc4fe..13c310290a 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1137,10 +1137,14 @@ def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), let SchedRW = [WriteMicrocoded] in { // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in { -def MOVSB : I<0xA4, RawFrm, (outs), (ins), "movsb", [], IIC_MOVS>; -def MOVSW : I<0xA5, RawFrm, (outs), (ins), "movsw", [], IIC_MOVS>, OpSize; -def MOVSL : I<0xA5, RawFrm, (outs), (ins), "movs{l|d}", [], IIC_MOVS>, OpSize16; -def MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "movsq", [], IIC_MOVS>; +def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src), + "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>; +def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src), + "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize; +def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src), + "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16; +def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src), + "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>; } // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI @@ -2593,10 +2597,6 @@ def : InstAlias<"movq $src, $dst", def : InstAlias<"movq $src, $dst", (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>; -// movsd with no operands (as opposed to the SSE scalar move of a double) is an -// alias for movsl. (as in rep; movsd) -def : InstAlias<"movsd", (MOVSL), 0>; - // movsx aliases def : InstAlias<"movsx $src, $dst", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>; def : InstAlias<"movsx $src, $dst", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>; |