[X86][AVX512] add comi with Sae
add builtin_ia32_vcomisd and builtin_ia32_vcomisd

Differential Revision: http://reviews.llvm.org/D14331



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252153 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed