[Mlir-commits] [mlir] [mlir][spirv] Add SPV_EXT_float8 support (PR #179246)

[Jakub Kuderski]

https://github.com/kuhar commented:

What allows us to assume that `Float8E4M3EXT` is `F8E4M3FN` and similar for F8E5M2? I see that the extension references https://arxiv.org/pdf/2209.05433 which has the following table:
<img width="872" height="328" alt="Image" src="https://github.com/user-attachments/assets/5c4ad2ef-2649-4df7-836b-086163cd67d4" />

And I guess the exercise is to map it back to https://github.com/llvm/llvm-project/blob/266a45128a843c4232133507edd7d7b9d3da0ed6/llvm/lib/Support/APFloat.cpp#L61-L70.


https://github.com/llvm/llvm-project/pull/179246