[PATCH] D19163: AMDGPU/SI: Assembler: improvements to support trap handlers.

[Nikolay Haustov via llvm-commits]

nhaustov created this revision.
nhaustov added reviewers: tstellarAMD, arsenm, artem.tamazov.
nhaustov added a subscriber: llvm-commits.
Herald added a subscriber: arsenm.

Add ParseAMDGPURegister which can be invoked recursively for parsing lists.
Rename getRegForName to getSpecialRegForName.
Support legacy SP3 register list syntax: [s2,s3,s4,s5] or [flat_scratch_lo,flat_scratch_hi].
Add 64-bit registers TBA, TMA where missing.
Add some tests.

http://reviews.llvm.org/D19163

Files:
  lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
  lib/Target/AMDGPU/SIRegisterInfo.td
  test/MC/AMDGPU/reg-syntax-extra.s
  test/MC/AMDGPU/trap.s

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