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| author | bors <bors@rust-lang.org> | 2024-02-21 09:43:33 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2024-02-21 09:43:33 +0000 |
| commit | bb8b11e67dd5833e503d47694d815eec41418675 (patch) | |
| tree | b21f60156d6e725c5311316e2c7b4677c45f2ee3 /library/std/src/io/tests.rs | |
| parent | 7168c13579a550f2c47f7eea22f5e226a436cd00 (diff) | |
| parent | cc73b71e8e568c6421a23fc2954a86e1947aac66 (diff) | |
| download | rust-bb8b11e67dd5833e503d47694d815eec41418675.tar.gz rust-bb8b11e67dd5833e503d47694d815eec41418675.zip | |
Auto merge of #120718 - saethlin:reasonable-fast-math, r=nnethercote
Add "algebraic" fast-math intrinsics, based on fast-math ops that cannot return poison Setting all of LLVM's fast-math flags makes our fast-math intrinsics very dangerous, because some inputs are UB. This set of flags permits common algebraic transformations, but according to the [LangRef](https://llvm.org/docs/LangRef.html#fastmath), only the flags `nnan` (no nans) and `ninf` (no infs) can produce poison. And this uses the algebraic float ops to fix https://github.com/rust-lang/rust/issues/120720 cc `@orlp`
Diffstat (limited to 'library/std/src/io/tests.rs')
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