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Add implied target features to target_feature attribute See [zulip](https://rust-lang.zulipchat.com/#narrow/stream/208962-t-libs.2Fstdarch/topic/Why.20would.20target-feature.20include.20implied.20features.3F) for some context. Adds implied target features, e.g. `#[target_feature(enable = "avx2")]` acts like `#[target_feature(enable = "avx2,avx,sse4.2,sse4.1...")]`. Fixes #128125, fixes #128426 The implied feature sets are taken from [the rust reference](https://doc.rust-lang.org/reference/attributes/codegen.html?highlight=target-fea#x86-or-x86_64), there are certainly more features and targets to add. Please feel free to reassign this to whoever should review it. r? ``@Amanieu`` |
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| .. | ||
| back | ||
| intrinsic | ||
| abi.rs | ||
| allocator.rs | ||
| archive.rs | ||
| asm.rs | ||
| attributes.rs | ||
| base.rs | ||
| builder.rs | ||
| callee.rs | ||
| common.rs | ||
| consts.rs | ||
| context.rs | ||
| coverageinfo.rs | ||
| debuginfo.rs | ||
| declare.rs | ||
| errors.rs | ||
| gcc_util.rs | ||
| int.rs | ||
| lib.rs | ||
| mono_item.rs | ||
| type_.rs | ||
| type_of.rs | ||