AVX512: Fix predicate of AVX pcmpeqw/b , pcmpgtb/w/d instructions . AVX512 version of this instructions return result in kmask register, so AVX patterns should not be disabled.

Differential Revision: http://reviews.llvm.org/D17517

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261619 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed