[all-commits] [llvm/llvm-project] b2adea: [AMDGPU][MC] Allow null where 128b or larger dst r...

[Jun Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b2adeae8650fb720873ad7fa39153beaa8194afc
      https://github.com/llvm/llvm-project/commit/b2adeae8650fb720873ad7fa39153beaa8194afc
  Author: Jun Wang <jwang86 at yahoo.com>
  Date:   2025-01-03 (Fri, 03 Jan 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
    M llvm/lib/Target/AMDGPU/BUFInstructions.td
    M llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
    M llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.h
    M llvm/lib/Target/AMDGPU/MIMGInstructions.td
    M llvm/lib/Target/AMDGPU/SIRegisterInfo.td
    M llvm/lib/Target/AMDGPU/SMInstructions.td
    M llvm/test/CodeGen/AMDGPU/inline-asm.i128.ll
    M llvm/test/MC/AMDGPU/gfx10_asm_mimg_err.s
    A llvm/test/MC/AMDGPU/gfx10_asm_mtbuf_err.s
    A llvm/test/MC/AMDGPU/gfx10_asm_mubuf_err.s
    M llvm/test/MC/AMDGPU/gfx10_asm_smem.s
    A llvm/test/MC/AMDGPU/gfx10_asm_smem_err.s
    M llvm/test/MC/AMDGPU/gfx11_asm_mimg_err.s
    A llvm/test/MC/AMDGPU/gfx11_asm_mtbuf_err.s
    A llvm/test/MC/AMDGPU/gfx11_asm_mubuf_err.s
    M llvm/test/MC/AMDGPU/gfx11_asm_smem.s
    A llvm/test/MC/AMDGPU/gfx11_asm_smem_err.s
    M llvm/test/MC/AMDGPU/gfx12_asm_mimg_err.s
    M llvm/test/MC/AMDGPU/gfx12_asm_smem.s
    A llvm/test/MC/AMDGPU/gfx12_asm_smem_err.s
    A llvm/test/MC/AMDGPU/gfx12_asm_vbuffer_mtbuf_err.s
    A llvm/test/MC/AMDGPU/gfx12_asm_vbuffer_mubuf_err.s
    M llvm/test/MC/Disassembler/AMDGPU/gfx10_smem.txt
    M llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_smem.txt
    M llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_smem.txt

  Log Message:
  -----------
  [AMDGPU][MC] Allow null where 128b or larger dst reg is expected (#115200)

For GFX10+, currently null cannot be used as dst reg in instructions
that expect the dst reg to be 128b or larger (e.g., s_load_dwordx4).
This patch fixes this problem while ensuring null cannot be used as S#,
T#, or V#.



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