[PATCH] D12468: AMDGPU/SI: Fix input vcc operand for VOP2b instructions

[Matt Arsenault via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: tstellarAMD.
arsenm added a subscriber: llvm-commits.
Herald added a subscriber: arsenm.

Adds vcc to output string input for e32. Allows option
of using e64 encoding with assembler.
    
Also fixes these instructions not implicitly reading exec.


http://reviews.llvm.org/D12468

Files:
  lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
  lib/Target/AMDGPU/SIInstrInfo.td
  lib/Target/AMDGPU/SIInstructions.td
  lib/Target/AMDGPU/SIRegisterInfo.td
  test/MC/AMDGPU/vop2-err.s
  test/MC/AMDGPU/vop2.s

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