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

[Umang Yadav]

umangyadav wrote:

> Hold for semantics questions, and @llvm/pr-subscribers-mlir-nvgpu for input on Nvidia semantics while I wait on AMD answers

@krzysz00  @dhernandez0  @tgymnich  @pashu123 

Based on feedback i've changed semantics of `arith.scaling_truncf` to just to simply do following  `arith.truncf(arith.divf(input, 2^scale))` 

Can you do re-review please ? 

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