[all-commits] [llvm/llvm-project] e02d0e: [AMDGPU] Handle S_GETREG_B32 hazard on gfx1250

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/users/rampitec/08-15-_amdgpu_handle_s_getreg_b32_hazard_on_gfx1250
  Home:   https://github.com/llvm/llvm-project
  Commit: e02d0ead19343a8232fa3a3181860ce593611a26
      https://github.com/llvm/llvm-project/commit/e02d0ead19343a8232fa3a3181860ce593611a26
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2025-08-15 (Fri, 15 Aug 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
    M llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
    M llvm/lib/Target/AMDGPU/GCNSubtarget.h
    A llvm/test/CodeGen/AMDGPU/hazard-getreg-waitalu.mir

  Log Message:
  -----------
  [AMDGPU] Handle S_GETREG_B32 hazard on gfx1250

GFX1250 SPG says: S_GETREG_B32 does not wait for idle before executing.
The user must S_WAIT_ALU 0 before S_GETREG_B32 on:
STATUS, STATE_PRIV, EXCP_FLAG_PRIV, or EXCP_FLAG_USER.



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