[AVX512] VPERMQ/VPERMPD/VPERMIL single op shuffles are not variable shuffles

These variants all take an immediate shuffle mask value and should be scheduled as such.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330747 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed