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[AMDGPU] Support GFX12 VDSDIR instructions WAITVMSRC operand in GCNHazardRecognizer #77628

Merged
merged 1 commit into from
Jan 11, 2024
Merged

[AMDGPU] Support GFX12 VDSDIR instructions WAITVMSRC operand in GCNHazardRecognizer #77628

merged 1 commit into from
Jan 11, 2024

Commits on Jan 10, 2024

  1. [AMDGPU] Support GFX12 VDSDIR instructions WAITVMSRC operand in GCNHa… 

    …zardRecognizer

Modify GCNHazardRecognizer::fixLdsDirectVMEMHazard() so the waitvsrc operand
in gfx12 DS_PARAM_LOAD or DS_DIRECT_LOAD instructions is set appropriately
depending on whether a hazard is found or not, rather than inserting an
S_WAITCNT_DEPCTR instruction if a hazard needs to be mitigated.
    @stepthomas @jayfoad
    stepthomas authored and jayfoad committed Jan 10, 2024
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