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Add AVX512 masked leadz instrinsic support.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210652 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron McInally
2014-06-11 12:54:45 +00:00
parent 0e1f75bff8
commit 998d8f50a7
3 changed files with 65 additions and 1 deletions
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22
lib/Target/X86/X86InstrAVX512.td
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@@ -4354,6 +4354,28 @@ def : Pat<(int_x86_avx512_mask_conflict_q_512 VR512:$src2, VR512:$src1,
(VPCONFLICTQrrk VR512:$src1,
(v8i1 (COPY_TO_REGCLASS GR8:$mask, VK8WM)), VR512:$src2)>;
let Predicates = [HasCDI] in {
defm VPLZCNTD : avx512_conflict<0x44, "vplzcntd", VR512, VK16WM,
i512mem, i32mem, "{1to16}">,
EVEX_V512, EVEX_CD8<32, CD8VF>;
defm VPLZCNTQ : avx512_conflict<0x44, "vplzcntq", VR512, VK8WM,
i512mem, i64mem, "{1to8}">,
EVEX_V512, VEX_W, EVEX_CD8<64, CD8VF>;
}
def : Pat<(int_x86_avx512_mask_lzcnt_d_512 VR512:$src2, VR512:$src1,
GR16:$mask),
(VPLZCNTDrrk VR512:$src1,
(v16i1 (COPY_TO_REGCLASS GR16:$mask, VK16WM)), VR512:$src2)>;
def : Pat<(int_x86_avx512_mask_lzcnt_q_512 VR512:$src2, VR512:$src1,
GR8:$mask),
(VPLZCNTQrrk VR512:$src1,
(v8i1 (COPY_TO_REGCLASS GR8:$mask, VK8WM)), VR512:$src2)>;
def : Pat<(store (i1 -1), addr:$dst), (MOV8mi addr:$dst, (i8 1))>;
def : Pat<(store (i1 1), addr:$dst), (MOV8mi addr:$dst, (i8 1))>;
def : Pat<(store (i1 0), addr:$dst), (MOV8mi addr:$dst, (i8 0))>;