[X86] Create some multiclasses to reduce the repeated patterns for VEXTRACT(F/I)128/VINSERT(I/F)128. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276086 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed