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Mark VZEROALL as clobbering all YMM registers

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138461 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2011-08-24 18:48:33 +00:00
parent f95aaf951b
commit 356e988110
1 changed files with 7 additions and 3 deletions
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10
lib/Target/X86/X86InstrSSE.td
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@ -5876,9 +5876,13 @@ def : Pat<(v16i16 (X86VPerm2f128 VR256:$src1, VR256:$src2, (i8 imm:$imm))),
//===----------------------------------------------------------------------===//
// VZERO - Zero YMM registers
//
// Zero All YMM registers
def VZEROALL : I<0x77, RawFrm, (outs), (ins), "vzeroall",
[(int_x86_avx_vzeroall)]>, VEX, VEX_L, Requires<[HasAVX]>;
let Defs = [YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7,
YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15] in {
// Zero All YMM registers
def VZEROALL : I<0x77, RawFrm, (outs), (ins), "vzeroall",
[(int_x86_avx_vzeroall)]>, VEX, VEX_L, Requires<[HasAVX]>;
}
// Zero Upper bits of YMM registers
def VZEROUPPER : I<0x77, RawFrm, (outs), (ins), "vzeroupper",