[llvm] AMDGPU: Add tonearest and towardzero roundings for intrinsic llvm.fptrunc.round (PR #104486)

Changpeng Fang via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 21 14:36:27 PDT 2024

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changpeng wrote:

> lgtm but this should still just be a pattern

Do you mean the pattern to map "ISD::FPTRUNC_ROUND src, round" to pseudo?
I am not sure how to translate round to the hardware rounding mode during the pattern matching!

https://github.com/llvm/llvm-project/pull/104486

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