[AMDGPU][MC] Corrected parsing of v_cmp_class* and v_cmpx_class*

Fixed bug 32565: https://bugs.llvm.org//show_bug.cgi?id=32565

Reviewers: vpykhtin

Differential Revision: https://reviews.llvm.org/D31820

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300073 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed