[Mlir-commits] [mlir] [MLIR][NVVM] Add support for f6x2 conversion (PR #136537)

[Durgadoss R]

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@@ -1066,6 +1066,56 @@ def NVVM_CvtFloatToTF32Op : NVVM_Op<"cvt.float.to.tf32"> {
   }];
 }
 
+def CVTFP6E2M3 : I32EnumAttrCase<"E2M3", 0, "e2m3">;
+def CVTFP6E3M2 : I32EnumAttrCase<"E3M2", 1, "e3m2">;
+
+def CVTFP6Type : I32EnumAttr<"CVTFP6Type", "NVVM CVTFP6Type kind",
+  [CVTFP6E2M3, CVTFP6E3M2]> {
+  let genSpecializedAttr = 0;
+  let cppNamespace = "::mlir::NVVM";
+}
+def CVTFP6TypeAttr : EnumAttr<NVVM_Dialect, CVTFP6Type, "cvt_fp6_type"> {
+  let assemblyFormat = "`<` $value `>`";
+}
+
+def NVVM_CvtToF6x2Op : NVVM_Op<"cvt.to.f6x2"> {
+  let summary = "Convert the given float input to f6x2";
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durga4github wrote:

After going through the full impl. below, I see that we always use two floats as input: $a, $b

So, let us reflect that in summary here clearly:
Convert a pair of float inputs to f6x2 (something like that)

https://github.com/llvm/llvm-project/pull/136537