[llvm] [AMDGPU][CodeGen] enable D16Writes32BitVgpr for gfx12 (PR #165587)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Brox Chen (broxigarchen)

<details>
<summary>Changes</summary>

The issue in https://github.com/llvm/llvm-project/pull/157795 also producible for gfx12

---
Full diff: https://github.com/llvm/llvm-project/pull/165587.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/AMDGPU.td (+2-1) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.td b/llvm/lib/Target/AMDGPU/AMDGPU.td
index 54d94b1f8682e..84121138a40df 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPU.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPU.td
@@ -1614,7 +1614,8 @@ def FeatureGFX12 : GCNSubtargetFeatureGeneration<"GFX12",
    FeatureDefaultComponentBroadcast, FeatureMaxHardClauseLength32,
    FeatureAtomicFMinFMaxF32GlobalInsts, FeatureAtomicFMinFMaxF32FlatInsts,
    FeatureIEEEMinimumMaximumInsts, FeatureMinimum3Maximum3F32,
-   FeatureMinimum3Maximum3F16, FeatureAgentScopeFineGrainedRemoteMemoryAtomics
+   FeatureMinimum3Maximum3F16, FeatureAgentScopeFineGrainedRemoteMemoryAtomics,
+   FeatureD16Writes32BitVgpr
   ]
 >;
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/165587