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| author | Jack O'Connor <oconnor663@gmail.com> | 2020-03-19 10:29:50 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-19 14:29:50 +0000 |
| commit | e367bcd7f90ea5e0e655d94e19480fa1eddbc35e (patch) | |
| tree | 2ae2433b3b2060245e98f7f384b29b940bf243c1 /library/stdarch/crates/std_detect/src/lib.rs | |
| parent | 9ab5dc087394cd2716e1a9281f897eb761357762 (diff) | |
| download | rust-e367bcd7f90ea5e0e655d94e19480fa1eddbc35e.tar.gz rust-e367bcd7f90ea5e0e655d94e19480fa1eddbc35e.zip | |
re-stabilize the AVX-512 features that were stabilized in Rust 1.27.0 (#842)
* re-stabilize the AVX-512 features that were stabilized in Rust 1.27.0 https://github.com/rust-lang/stdarch/pull/739 added per-feature stabilization of runtime CPU feature detection. In so doing, it de-stabilized some detection features that had been stable since Rust 1.27.0, breaking some published crates (on nightly). This commit re-stabilizes the subset of AVX-512 detection features that were included in 1.27.0 (that is, the pre-Ice-Lake subset). Other instruction sets (MMX in particular) remain de-stabilized, pending a decision about whether should ever stabilize them. See https://github.com/rust-lang/rust/issues/68905. * add a comment explaining feature detection stability * adjust stabilizations to match most recent proposal https://github.com/rust-lang/rust/issues/68905#issuecomment-595376319
Diffstat (limited to 'library/stdarch/crates/std_detect/src/lib.rs')
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