[PATCH] D74630: [AMDGPU] Always enable XNACK feature when support is explicitly requested

[Austin Kerbow via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG07824e65bf56: [AMDGPU] Always enable XNACK feature when support is explicitly requested (authored by kerbowa).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74630/new/

https://reviews.llvm.org/D74630

Files:
  llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp


Index: llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
@@ -150,7 +150,9 @@
 
   HasFminFmaxLegacy = getGeneration() < AMDGPUSubtarget::VOLCANIC_ISLANDS;
 
-  if (DoesNotSupportXNACK && EnableXNACK) {
+  // Disable XNACK on targets where it is not enabled by default unless it is
+  // explicitly requested.
+  if (!FS.contains("+xnack") && DoesNotSupportXNACK && EnableXNACK) {
     ToggleFeature(AMDGPU::FeatureXNACK);
     EnableXNACK = false;
   }


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