[Mlir-commits] [mlir] Introduce `arith.scaling_extf` and `arith.scaling_truncf` (PR #141965)

[Prashant Kumar]

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@@ -1215,6 +1215,44 @@ def Arith_ExtFOp : Arith_FToFCastOp<"extf", [DeclareOpInterfaceMethods<ArithFast
                           attr-dict `:` type($in) `to` type($out) }];
 }
 
+//===----------------------------------------------------------------------===//
+// Scaling ExtFOp
+//===----------------------------------------------------------------------===//
+def Arith_ScalingExtFOp
+    : Arith_Op<
+          "scaling_extf", [Pure, SameInputOutputTensorDims,
+                           DeclareOpInterfaceMethods<ArithFastMathInterface>,
+                           DeclareOpInterfaceMethods<CastOpInterface>]>,
+      Arguments<(ins FloatLike:$in, FloatLike:$scale,
+          OptionalAttr<Arith_FastMathAttr>:$fastmath)>,
+      Results<(outs FloatLike:$out)> {
+  let summary =
+      "cast from floating-point to larger floating-point using provided scales";
+  let description = [{
+    Implements micro-scaling floating point ExtF op. It expects both scales and input operand to be of same shape. 
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pashu123 wrote:

NIT: Please limit to 80 cols.

https://github.com/llvm/llvm-project/pull/141965