[X86][SSE] Added 1024-bit vector comparison tests

More examples of PR22603, poor vector splitting for AVX512F targets as well as missing uses of PACKSS/MOVMSK

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265248 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed