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[X86][AVX] Remove REX_W from AVX instructions. 

There is no meaning for REX_W in VEX encoded AVX instruction.

Differential Revision: https://reviews.llvm.org/D29894

llvm-svn: 295157
This commit is contained in:
Ayman Musa 2017-02-15 08:12:16 +00:00
parent 32ac5e41ef
commit b8a4f255dd
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/Target/X86/X86InstrSSE.td
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@ -6071,20 +6071,20 @@ multiclass SS41I_extract64<bits<8> opc, string OpcodeStr> {
"\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
[(set GR64:$dst,
(extractelt (v2i64 VR128:$src1), imm:$src2))]>,
Sched<[WriteShuffle]>, REX_W;
Sched<[WriteShuffle]>;
let SchedRW = [WriteShuffleLd, WriteRMW] in
def mr : SS4AIi8<opc, MRMDestMem, (outs),
(ins i64mem:$dst, VR128:$src1, u8imm:$src2),
!strconcat(OpcodeStr,
"\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
[(store (extractelt (v2i64 VR128:$src1), imm:$src2),
addr:$dst)]>, REX_W;
addr:$dst)]>;
}
let Predicates = [HasAVX, NoDQI] in
defm VPEXTRQ : SS41I_extract64<0x16, "vpextrq">, VEX, VEX_W;
defm PEXTRQ : SS41I_extract64<0x16, "pextrq">;
defm PEXTRQ : SS41I_extract64<0x16, "pextrq">, REX_W;
/// SS41I_extractf32 - SSE 4.1 extract 32 bits fp value to int reg or memory
/// destination