[all-commits] [llvm/llvm-project] eeced0: [AMDGPU] Use larger immediate values in S_NOP (#15...

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: eeced0d073ee387d98e39fdcada2277ad81cd4a9
      https://github.com/llvm/llvm-project/commit/eeced0d073ee387d98e39fdcada2277ad81cd4a9
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2025-09-16 (Tue, 16 Sep 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/GCNSubtarget.h
    M llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.mfma.gfx90a.ll
    M llvm/test/CodeGen/AMDGPU/acc-ldst.ll
    M llvm/test/CodeGen/AMDGPU/agpr-copy-no-free-registers.ll
    M llvm/test/CodeGen/AMDGPU/amdgpu-snop-padding.mir
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.bf16.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx90a.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx942.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx950.bf16.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx950.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.i8.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.scale.f32.16x16x128.f8f6f4.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.scale.f32.32x32x64.f8f6f4.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.xf32.gfx942.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.sched.group.barrier.iterative.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.sched.group.barrier.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.smfmac.gfx950.ll
    M llvm/test/CodeGen/AMDGPU/mai-hazards-gfx90a.mir
    M llvm/test/CodeGen/AMDGPU/mai-hazards-gfx942.mir
    M llvm/test/CodeGen/AMDGPU/mai-hazards-mfma-scale.gfx950.mir
    M llvm/test/CodeGen/AMDGPU/mai-hazards.mir
    M llvm/test/CodeGen/AMDGPU/mfma-cd-select.ll
    M llvm/test/CodeGen/AMDGPU/mfma-loop.ll
    M llvm/test/CodeGen/AMDGPU/mfma-no-register-aliasing.ll
    M llvm/test/CodeGen/AMDGPU/neighboring-mfma-padding.mir
    M llvm/test/CodeGen/AMDGPU/rewrite-vgpr-mfma-to-agpr-phi.ll
    M llvm/test/CodeGen/AMDGPU/rewrite-vgpr-mfma-to-agpr.ll
    M llvm/test/CodeGen/AMDGPU/spill-agpr.ll
    M llvm/test/CodeGen/AMDGPU/vni8-across-blocks.ll

  Log Message:
  -----------
  [AMDGPU] Use larger immediate values in S_NOP (#158990)

The S_NOP instruction has an immediate operand which is one less than
the number of cycles to delay for. The maximum value that may be encoded
in this field was increased in GFX8 and again in GFX12.



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