[Mlir-commits] [mlir] [mlir][tosa] Update the description section for CastOp to align with TOSA v1.0 spec (PR #129958)

[Luke Hutton]

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@@ -2238,24 +2238,52 @@ def Tosa_CastOp: Tosa_Op<"cast", [Pure,
 
     | Mode                     | Input   | Output  |
     |--------------------------|---------|---------|
-    | signed 8 to bool         | int8    | Boolean |
-    | signed 16 to bool        | int16   | Boolean |
-    | signed 32 to bool        | int32   | Boolean |
-    | bool to 8                | Boolean | int8    |
-    | bool to 16               | Boolean | int16   |
-    | bool to 32               | Boolean | int32   |
-    | signed 8 to signed 16    | int8    | int16   |
-    | signed 8 to signed 32    | int8    | int32   |
-    | signed 16 to signed 8    | int16   | int8    |
-    | signed 16 to signed 32   | int16   | int32   |
-    | signed 32 to signed 8    | int32   | int8    |
-    | signed 32 to signed 16   | int32   | int16   |
-    | float to signed 8        | float   | int8    |
-    | float to signed 16       | float   | int16   |
-    | signed 8 to float        | int8    | float   |
-    | signed 16 to float       | int16   | float   |
-    | float 32 to float 64     | float32 | float64 |
-    | float 64 to float 32     | float64 | float32 |
+    | fp16 to fp32             | float16 | float32 |
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lhutton1 wrote:

As things stand today, the dialect is more flexible than this. It might be worth adding a note that this table is in relation to the supported conversions by the TOSA specification, and that the dialect can be used to  represent other conversions.

https://github.com/llvm/llvm-project/pull/129958