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[x86][icelake][vpclmulqdq]

Description

[x86][icelake][vpclmulqdq]
added vpclmulqdq feature recognition
added intrinsics support for vpclmulqdq instructions

_mm256_clmulepi64_epi128
_mm512_clmulepi64_epi128

matching a similar work on the backend (D40101)
Differential Revision: https://reviews.llvm.org/D41573

Details

Committed
cobyDec 27 2017, 1:00 AM
Differential Revision
D41573: [x86][icelake][vpclmulqdq]
Parents
rL321479: Improve performance TokenizeWindowsCommandLine
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