[llvm] [AMDGPU] Enable XNACK on gfx1250 (PR #161457)

[Stanislav Mekhanoshin via llvm-commits]

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@@ -2303,7 +2303,10 @@ Expected<bool> AMDGPUDisassembler::decodeCOMPUTE_PGM_RSRC1(
   KdStream << Indent << ".amdhsa_reserve_vcc " << 0 << '\n';
   if (!hasArchitectedFlatScratch())
     KdStream << Indent << ".amdhsa_reserve_flat_scratch " << 0 << '\n';
-  KdStream << Indent << ".amdhsa_reserve_xnack_mask " << 0 << '\n';
+  bool ReservedXnackMask = STI.hasFeature(AMDGPU::FeatureSupportsXNACK) &&
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rampitec wrote:

If it's on it's on. Remove the 'supported' condition?

https://github.com/llvm/llvm-project/pull/161457