[Mlir-commits] [mlir] [MLIR][NVVM] Add support for dp4a instructions (PR #139043)

[Guray Ozen]

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@@ -3444,6 +3444,68 @@ def NVVM_Tcgen05StOp : NVVM_Op<"tcgen05.st"> {
   let hasVerifier = 1;
 }
 
+//===----------------------------------------------------------------------===//
+// NVVM dp4a Op
+//===----------------------------------------------------------------------===//
+
+def DP4aS8 : I32EnumAttrCase<"S8", 1, "s8">;
+def DP4aU8 : I32EnumAttrCase<"U8", 0, "u8">;
+
+def DP4aType : I32EnumAttr<"DP4aType", "NVVM DP4aType",
+  [DP4aS8, DP4aU8]> {
+  let cppNamespace = "::mlir::NVVM";
+  let genSpecializedAttr = 0;
+}
+
+def DP4aTypeAttr : EnumAttr<NVVM_Dialect, DP4aType, "dp4a_type"> {
+  let assemblyFormat = "`<` $value `>`";
+}
+
+def NVVM_Dp4aOp : NVVM_Op<"dot.accumulate.4way"> {
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grypp wrote:

Can we also change the name of OP? 

https://github.com/llvm/llvm-project/pull/139043