[Mlir-commits] [mlir] [MLIR][NVGPU] Introduce `warpgroup.init.accumulator` Op (PR #67530)

[llvmlistbot at llvm.org]

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@@ -727,4 +727,15 @@ def NVGPU_WarpgroupMmaOp : NVGPU_Op<"warpgroup.mma"> {
   let hasVerifier = 1;
 }
 
+def NVGPU_WarpgroupMmaInitAccumulatorOp : NVGPU_Op<"warpgroup.mma.init.accumulator"> {  
+  let summary = "Initialize accumulator matrix for `warppgroup.mma`";
+
+  let description = [{
+    This Op generates and initilizes the accumulator matrix for 
+    `nvgpu.warpgroup.mma` op to perform matrix-multiply-and-accumulate (mma).
+  }];
+  let results = (outs Variadic<NVGPU_WarpgroupAccumulator>:$matrixC);
+  let assemblyFormat = "attr-dict `->` type($matrixC)";
+}
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qcolombet wrote:

Should we have a verifier to make sure we set a number of registers (e.g., reject size like `34x128xf32`) that makes sense?

https://github.com/llvm/llvm-project/pull/67530