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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2015-05-17 07:28:51 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2015-05-17 07:28:51 +0000 |
| commit | 1d6a495d6df51a89c8493d18e1bf7384df757528 (patch) | |
| tree | 9b7118ab8778687a6924f58eac3c318ed70d480a /llvm/lib/Target/X86/X86InstrAVX512.td | |
| parent | 2fd16632bc25cc1c7246f4f6ce7cd45240c06ead (diff) | |
| download | bcm5719-llvm-1d6a495d6df51a89c8493d18e1bf7384df757528.tar.gz bcm5719-llvm-1d6a495d6df51a89c8493d18e1bf7384df757528.zip | |
AVX-512: fixed a bug in mask operations - (i1 1) pattern
Filling k-reg with all-ones value was wrong,
(i1 1) should switch on only one bit in mask register
llvm-svn: 237536
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrAVX512.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrAVX512.td | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td index ef7abd77e14..0470a5a7e39 100644 --- a/llvm/lib/Target/X86/X86InstrAVX512.td +++ b/llvm/lib/Target/X86/X86InstrAVX512.td @@ -2156,8 +2156,8 @@ let Predicates = [HasAVX512] in { def : Pat<(v4i1 immAllOnesV), (COPY_TO_REGCLASS (KSET1W), VK4)>; def : Pat<(v2i1 immAllOnesV), (COPY_TO_REGCLASS (KSET1W), VK2)>; def : Pat<(i1 0), (COPY_TO_REGCLASS (KSET0W), VK1)>; - def : Pat<(i1 1), (COPY_TO_REGCLASS (KSET1W), VK1)>; - def : Pat<(i1 -1), (COPY_TO_REGCLASS (KSET1W), VK1)>; + def : Pat<(i1 1), (COPY_TO_REGCLASS (KSHIFTRWri (KSET1W), (i8 15)), VK1)>; + def : Pat<(i1 -1), (COPY_TO_REGCLASS (KSHIFTRWri (KSET1W), (i8 15)), VK1)>; } def : Pat<(v8i1 (extract_subvector (v16i1 VK16:$src), (iPTR 0))), (v8i1 (COPY_TO_REGCLASS VK16:$src, VK8))>; |
