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Rollup merge of #126617 - sayantn:veorq, r=workingjubilee

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Expand `avx512_target_feature` to include VEX variants

Added 5 new target features for x86:

 - `AVX-IFMA`
 - `AVX-NE-CONVERT`
 - `AVX-VNNI`
 - `AVX-VNNI_INT8`
 - `AVX-VNNI_INT16`

Both LLVM and GCC already have support for these.

See also the [stdarch PR](https://github.com/rust-lang/stdarch/pull/1586)
This commit is contained in:
Matthias Krüger 2024-06-21 09:12:35 +02:00 • committed by GitHub
commit 2b7f6e274e
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3 changed files with 7 additions and 2 deletions
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5
compiler/rustc_target/src/target_features.rs
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@ -208,6 +208,11 @@ const X86_ALLOWED_FEATURES: &[(&str, Stability)] = &[
("avx512vnni", Unstable(sym::avx512_target_feature)),
("avx512vp2intersect", Unstable(sym::avx512_target_feature)),
("avx512vpopcntdq", Unstable(sym::avx512_target_feature)),
("avxifma", Unstable(sym::avx512_target_feature)),
("avxneconvert", Unstable(sym::avx512_target_feature)),
("avxvnni", Unstable(sym::avx512_target_feature)),
("avxvnniint16", Unstable(sym::avx512_target_feature)),
("avxvnniint8", Unstable(sym::avx512_target_feature)),
("bmi1", Stable),
("bmi2", Stable),
("cmpxchg16b", Stable),