Rollup of 7 pull requests #129435
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Rollup of 7 pull requests #129435
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Add various aarch64 features already supported by LLVM and Linux. The features are marked as unstable using a newly added symbol, i.e. aarch64_unstable_target_feature. Additionally include some comment fixes to ensure consistency of feature names with the Arm ARM and support for architecture version target features up to v9.5a. This commit adds compiler support for the following features: - FEAT_CSSC - FEAT_ECV - FEAT_FAMINMAX - FEAT_FLAGM2 - FEAT_FP8 - FEAT_FP8DOT2 - FEAT_FP8DOT4 - FEAT_FP8FMA - FEAT_FPMR - FEAT_HBC - FEAT_LSE128 - FEAT_LSE2 - FEAT_LUT - FEAT_MOPS - FEAT_LRCPC3 - FEAT_SVE_B16B16 - FEAT_SVE2p1 - FEAT_WFxT
Add SME aarch64 features already supported by LLVM and Linux. This commit adds compiler support for the following features: - FEAT_SME - FEAT_SME_F16F16 - FEAT_SME_F64F64 - FEAT_SME_F8F16 - FEAT_SME_F8F32 - FEAT_SME_FA64 - FEAT_SME_I16I64 - FEAT_SME_LUTv2 - FEAT_SME2 - FEAT_SME2p1 - FEAT_SSVE_FP8DOT2 - FEAT_SSVE_FP8DOT4 - FEAT_SSVE_FP8FMA
FEAT_FPMR has been removed from upstream LLVM as of LLVM 19. Remove the feature from the target features list and temporarily hack the LLVM codegen to always enable it until the minimum LLVM version is bumped to 19.
Convert to_llvm_features to return Option<LLVMFeature> so that it can return None if the requested feature is not available for the current LLVM version. Add match rules to filter out aarch64 features not available in LLVM 17.
The LLVM commit llvm/llvm-project@abf69a1 changed the IR in a few comparison tests: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/30500#01917017-26fe-4a4d-956b-725a2903e5a8 Adapted accordingly.
File size --------- ```console $ du -hs doc.old/search-index1.82.0.js doc/search-index1.82.0.js 3.2M doc.old/search-index1.82.0.js 2.8M doc/search-index1.82.0.js $ gzip doc/search-index1.82.0.js $ gzip doc.old/search-index1.82.0.js $ du -hs doc.old/search-index1.82.0.js.gz doc/search-index1.82.0.js.gz 464K doc.old/search-index1.82.0.js.gz 456K doc/search-index1.82.0.js.gz $ du -hs compiler-doc.old/search-index.js compiler-doc/search-index.js 8.5M compiler-doc.old/search-index.js 6.5M compiler-doc/search-index.js $ gzip compiler-doc/search-index1.82.0.js $ gzip compiler-doc.old/search-index1.82.0.js $ du -hs compiler-doc.old/search-index.js.gz compiler-doc/search-index.js.gz 1.4M compiler-doc.old/search-index.js.gz 1.4M compiler-doc/search-index.js.gz ```
rustc_target: Add various aarch64 features Add various aarch64 features already supported by LLVM and Linux. Additionally include some comment fixes to ensure consistency of feature names with the Arm ARM. Compiler support for features added to stdarch by rust-lang/stdarch#1614. Tracking issue for unstable aarch64 features is rust-lang#127764. List of added features: - FEAT_CSSC - FEAT_ECV - FEAT_FAMINMAX - FEAT_FLAGM2 - FEAT_FP8 - FEAT_FP8DOT2 - FEAT_FP8DOT4 - FEAT_FP8FMA - FEAT_HBC - FEAT_LSE128 - FEAT_LSE2 - FEAT_LUT - FEAT_MOPS - FEAT_LRCPC3 - FEAT_SVE_B16B16 - FEAT_SVE2p1 - FEAT_WFxT - FEAT_SME - FEAT_SME_F16F16 - FEAT_SME_F64F64 - FEAT_SME_F8F16 - FEAT_SME_F8F32 - FEAT_SME_FA64 - FEAT_SME_I16I64 - FEAT_SME_LUTv2 - FEAT_SME2 - FEAT_SME2p1 - FEAT_SSVE_FP8DOT2 - FEAT_SSVE_FP8DOT4 - FEAT_SSVE_FP8FMA FEAT_FPMR is added in the first commit and then removed in a separate one to highlight it being removed from upstream LLVM 19. The intention is for it to be detectable at runtime through stdarch but not have a corresponding Rust compile-time feature.
…jieyouxu Migrate `libtest-thread-limit` `run-make` test to rmake Part of rust-lang#121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html). Please try, but **only if normal CI is green**: try-job: aarch64-apple try-job: aarch64-gnu
Add f16 and f128 to tests/ui/consts/const-float-bits-conv.rs Fixes rust-lang#129163 try-job: x86_64-msvc try-job: x86_64-mingw try-job: i686-msvc try-job: i686-mingw
…ffset, r=Amanieu
Stabilize feature `char_indices_offset`
Stabilized API:
```rust
impl CharIndices<'_> {
pub fn offset(&self) -> usize;
}
```
Tracking issue: rust-lang#83871
Closes rust-lang#83871
I also attempted to improved the documentation to make it more clear that it returns the offset of the character that will be returned by the next call to `next()`.
adapt integer comparison tests for LLVM 20 IR changes The LLVM commit llvm/llvm-project@abf69a1 changed the IR in a few comparison tests: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/30500#01917017-26fe-4a4d-956b-725a2903e5a8 Adapted accordingly. `@rustbot` label: +llvm-main r? `@nikic`
…es, r=notriddle Fix extern crates not being hidden with `doc(hidden)` Fixes rust-lang#126796. Only the current crate should never be stripped, any other crate should be strippable. r? `@notriddle`
…, r=GuillaumeGomez rustdoc-search: use tighter json for names and parents File size --------- ```console $ du -hs doc.old/search-index1.82.0.js doc/search-index1.82.0.js 3.2M doc.old/search-index1.82.0.js 2.8M doc/search-index1.82.0.js $ gzip doc/search-index1.82.0.js $ gzip doc.old/search-index1.82.0.js $ du -hs doc.old/search-index1.82.0.js.gz doc/search-index1.82.0.js.gz 464K doc.old/search-index1.82.0.js.gz 456K doc/search-index1.82.0.js.gz $ du -hs compiler-doc.old/search-index.js compiler-doc/search-index.js 8.5M compiler-doc.old/search-index.js 6.5M compiler-doc/search-index.js $ gzip compiler-doc/search-index1.82.0.js $ gzip compiler-doc.old/search-index1.82.0.js $ du -hs compiler-doc.old/search-index.js.gz compiler-doc/search-index.js.gz 1.4M compiler-doc.old/search-index.js.gz 1.4M compiler-doc/search-index.js.gz ``` Performance ----------- Firefox profile: [before](https://profiler.firefox.com/public/jf1741wycma0n38asdf7kdtw8egs0pqakbr03jg/calltree/?globalTrackOrder=0w3&implementation=js&thread=3&v=10), [after](https://profiler.firefox.com/public/p4fptad7vncsfgrgk9a18yx7m6w8kdpgfy15f8r/calltree/?globalTrackOrder=0w3&implementation=js&thread=3&v=10) CLI profiler scripts comparison: https://notriddle.com/rustdoc-html-demo-9/smaller-index-2024-08-22/index.html | Benchmark | Before | After | % Diff | --------- | ----------:| ----------:| ------: | arti | 225692 KiB | 218744 KiB | 3% | cortex-m | 58276 KiB | 57852 KiB | 0% | sqlx | 123132 KiB | 125448 KiB | -2% | stm32f4 | 556828 KiB | 548996 KiB | 1% | ripgrep | 86964 KiB | 86180 KiB | 1%
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Rollup of 7 pull requests Successful merges: - rust-lang#128192 (rustc_target: Add various aarch64 features) - rust-lang#128507 (Migrate `libtest-thread-limit` `run-make` test to rmake) - rust-lang#129190 (Add f16 and f128 to tests/ui/consts/const-float-bits-conv.rs) - rust-lang#129276 (Stabilize feature `char_indices_offset`) - rust-lang#129350 (adapt integer comparison tests for LLVM 20 IR changes) - rust-lang#129414 (Fix extern crates not being hidden with `doc(hidden)`) - rust-lang#129426 (rustdoc-search: use tighter json for names and parents) r? `@ghost` `@rustbot` modify labels: rollup
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💔 Test failed - checks-actions |
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Successful merges:
libtest-thread-limitrun-maketest to rmake #128507 (Migratelibtest-thread-limitrun-maketest to rmake)char_indices_offset#129276 (Stabilize featurechar_indices_offset)doc(hidden)#129414 (Fix extern crates not being hidden withdoc(hidden))r? @ghost
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