[AMDGPU] Disable hasVALUMaskWriteHazard for GFX12 (#78187)

llvm · Jan 15, 2024 · 85705bb · 85705bb
1 parent 3d6c685
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diff --git a/llvm/lib/Target/AMDGPU/GCNSubtarget.h b/llvm/lib/Target/AMDGPU/GCNSubtarget.h
@@ -1146,7 +1146,7 @@ class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
 
   bool hasForceStoreSC0SC1() const { return HasForceStoreSC0SC1; }
 
-  bool hasVALUMaskWriteHazard() const { return getGeneration() >= GFX11; }
+  bool hasVALUMaskWriteHazard() const { return getGeneration() == GFX11; }
 
   /// Return if operations acting on VGPR tuples require even alignment.
   bool needsAlignedVGPRs() const { return GFX90AInsts; }