[X86][XOP] Add missing scheduler classes to XOP instructions

All match equivalent basic classes (WritePHAdd, WriteFAdd etc.) according to both the AMD 15h SOG and Agner's tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@318758 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed