Fixed/Recommitted r267733 "[AMDGPU][llvm-mc] Add support of TTMP quads. Rework M0 exclusion for SMRD."

Previously reverted by r267752.

r267733 review:
Differential Revision: http://reviews.llvm.org/D19342

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268066 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed