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2025-09-21Add panic=immediate-abortBen Kimock-2/+0
2025-07-25Remove `compiler-builtins-mangled-names`Trevor Gross-1/+0
This config was added in 207de019dc67 ("libary: Forward compiler-builtins "asm" and "mangled-names" feature") but it does not appear this has ever been used. The PR adding it (RUST-78472) says that this was exposed to help with configuration and points at the [Hermit Cargo config], but as far as I can tell, this feature name has never been mentioned in that repository's git history. Thus, clean up a seemingly unneeded feature. [Hermit Cargo config]: https://github.com/hermit-os/hermit-rs/blob/ab2b830930e6a9a98c8294997a8183feeabeda4a/.cargo/config
2025-07-25Remove `compiler-builtins-no-asm`Trevor Gross-1/+0
This feature used to be for when Cranelift didn't support inline assembly, but its last uses were removed in 52933e0bd200 ("Don't disable inline asm usage in compiler-builtins when the cranelift backend is enabled"). and cba05a7a14b3 ("Support naked functions"). This doesn't remove the feature from the `compiler-builtins` crate, that will be done separately in the subtree repo.
2025-06-08Use the in-tree `compiler-builtins`Trevor Gross-1/+1
Many of `std`'s dependency have a dependency on the crates.io `compiler-builtins` when used with the feature `rustc-std-workspace-core`. Use a Cargo patch to select the in-tree version instead. `compiler-builtins` is also added as a dependency of `rustc-std-workspace-core` so these crates can remove their crates.io dependency in the future.
2025-06-02Remove more library bootstrapJosh Stone-1/+0
2025-05-30Update `compiler-builtins` to 0.1.160Trevor Gross-1/+1
Includes the following changes: * Enable `__powitf2` on MSVC [1] * Update `CmpResult` to use a pointer-sized return type [2] * Better code reuse between `libm` and `compiler-builtins` [3], [4] * Stop building C versions of `__netf2` [5] since we have our own implementation [1]: https://github.com/rust-lang/compiler-builtins/pull/918 [2]: https://github.com/rust-lang/compiler-builtins/pull/920 [3]: https://github.com/rust-lang/compiler-builtins/pull/879 [4]: https://github.com/rust-lang/compiler-builtins/pull/925 [5]: https://github.com/rust-lang/compiler-builtins/pull/828
2025-05-13bump compiler_builtinsPietro Albini-1/+1
2025-05-06Update `compiler-builtins` to 0.1.158Trevor Gross-1/+1
Includes the following changes: * Require `target_has_atomic = "ptr"` for runtime feature detection [1]: https://github.com/rust-lang/compiler-builtins/pull/909
2025-05-04Update `compiler-builtins` to 0.1.157Trevor Gross-1/+1
Includes the following changes: * Use runtime feature detection for fma routines on x86 [1] Fixes: https://github.com/rust-lang/rust/issues/140452 [1]: https://github.com/rust-lang/compiler-builtins/pull/896
2025-04-22Update `compiler_builtins` to 0.1.156Trevor Gross-1/+1
Includes the following changes: * Provide `abort` on AVR [1] [1]: https://github.com/rust-lang/compiler-builtins/pull/830
2025-04-17Update `compiler-builtins` to 0.1.155Trevor Gross-1/+1
Includes the following changes: * Replace `#[naked]` with `#[unsafe(naked)]` [1] [2] * Replace `bl!` with `asm_sym` [3] [1]: https://github.com/rust-lang/compiler-builtins/pull/817 [2]: https://github.com/rust-lang/compiler-builtins/pull/821 [3]: https://github.com/rust-lang/compiler-builtins/pull/820
2025-04-10Update `compiler-builtins` to 0.1.153Trevor Gross-1/+1
Includes the following changes: * Avoid OOB access in `memcpy` and `memmove` [1] * Enable intrinsics on AVR [2] * `libm` updates to avoid using `core::arch` vector intrinsics [3] * Re-enable `f16` on aarch64 without Neon [4] [1]: https://github.com/rust-lang/compiler-builtins/pull/799 [2]: https://github.com/rust-lang/compiler-builtins/pull/791 [3]: https://github.com/rust-lang/compiler-builtins/pull/814 [4]: https://github.com/rust-lang/compiler-builtins/pull/809
2025-04-03Fix testing with randomized layouts enabledbjorn3-1/+0
2025-03-24Update `compiler-builtins` to 0.1.152Trevor Gross-1/+1
Includes the following changes related to unordered atomics: * Remove element_unordered_atomic intrinsics [1] * Remove use of `atomic_load_unordered` and undefined behaviour [2] There are a handful of other small changes, but nothing else user-visible. [1]: https://github.com/rust-lang/compiler-builtins/pull/789 [2]: https://github.com/rust-lang/compiler-builtins/pull/790
2025-03-11Migrate alloc to Rust 2024Eric Huss-1/+1
2025-03-07Fully test the alloc crate through alloctestsbjorn3-4/+4
For the tests that make use of internal implementation details, we include the module to test using #[path] in alloctests now.
2025-03-07Move all alloc integration tests to a new alloctests cratebjorn3-18/+0
2025-03-05Update `compiler-builtins` to 0.1.151Trevor Gross-1/+1
This enables `f16` builtins for loongarch [1] and adds support for Cygwin [2]. [1]: https://github.com/rust-lang/compiler-builtins/pull/770 [2]: https://github.com/rust-lang/compiler-builtins/pull/774
2025-03-01Update `compiler-builtins` to 0.1.150Trevor Gross-1/+1
Includes a change to make a subset of math symbols available on all platforms [1], and disables `f16` on aarch64 without neon [2]. [1]: https://github.com/rust-lang/compiler-builtins/pull/763 [2]: https://github.com/rust-lang/compiler-builtins/pull/775
2025-02-24Update `compiler-builtins` to 0.1.148Trevor Gross-1/+1
Includes `f16` symbols on MIPS [1], updates for `libm` [2], and reapplies the patch that drops the `public_test_deps!` macro [3]. [1]: https://github.com/rust-lang/compiler-builtins/pull/762 [2]: https://github.com/rust-lang/compiler-builtins/pull/765 [3]: https://github.com/rust-lang/compiler-builtins/pull/766
2025-02-23Update `compiler-builtins` to 0.1.147Trevor Gross-1/+1
Removes an ABI hack that used `<2 x i64>` to return `i128` in `xmm0` on Windows [1]. [1]: https://github.com/rust-lang/compiler-builtins/pull/759 Link: https://github.com/rust-lang/rust/issues/116558 Link: https://github.com/rust-lang/compiler-builtins/issues/758
2025-02-21Use `public-dependencies` in all sysroot cratesTrevor Gross-1/+3
In [1], most dependencies of `std` and other sysroot crates were marked private, but this did not happen for `alloc` and `test`. Update these here, marking public standard library crates as the only non-private dependencies. [1]: https://github.com/rust-lang/rust/pull/111076
2025-02-13library: Update rand to 0.9.0Eric Huss-2/+2
2025-02-07Update `compiler-builtins` to 0.1.146Trevor Gross-1/+1
Exposes the error function so we can expose this in the standard library [1]. [1]: https://github.com/rust-lang/compiler-builtins/pull/753
2025-02-04Update `compiler-builtins` to 0.1.145Trevor Gross-1/+1
This includes [1] which is required for LLVM 20. [1]: https://github.com/rust-lang/compiler-builtins/pull/752
2025-01-15Update compiler-builtins to 0.1.143Trevor Gross-1/+1
0.1.142 fixes an issue parsing optimization flags, and 0.1.143 changes `__rust_[ui]128_*` builtins to use a C-safe signature.
2025-01-14Update compiler-builtins to 0.1.141Trevor Gross-1/+1
0.1.141 syncs changes from `libm`. Most of the `libm` changes are testing- or configuration-related.
2024-12-27Update `compiler-builtins` to 0.1.140Trevor Gross-1/+1
Nothing significant here, just syncing the following small changes: - https://github.com/rust-lang/compiler-builtins/pull/727 - https://github.com/rust-lang/compiler-builtins/pull/730 - https://github.com/rust-lang/compiler-builtins/pull/736 - https://github.com/rust-lang/compiler-builtins/pull/737
2024-11-03Update `compiler_builtins` to 0.1.138 and pin itTrevor Gross-1/+1
This updates to a new version of builtins that includes [1], which was the last blocker to us enabling `f128` tests on all platforms 🎉. With this update, also change to pinning the version with `=` rather than using the default carat versioning. This is meant to ensure that `compiler-builtins` does not get updated as part of the weekly `Cargo.lock` update, since updates to this crate need to be intentional: changes to rust-lang/rust and rust-lang/compiler-builtins sometimes need to be kept in lockstep, unlike most dependencies, and sometimes these updates can be problematic. [1]: https://github.com/rust-lang/compiler-builtins/pull/624
2024-10-26Update compiler-builtins to 0.1.136Trevor Gross-1/+1
This includes: * The license change https://github.com/rust-lang/compiler-builtins/pull/717 * The `libm` submodule update, which also has a license change https://github.com/rust-lang/libm/pull/317 * Re-enabling `math` on i686 UEFI https://github.com/rust-lang/compiler-builtins/pull/715
2024-10-19Update `compiler-builtins` to 0.1.134Ben Kimock-1/+1
2024-10-05Update `compiler-builtins` to 0.1.133Trevor Gross-1/+1
This includes [1], which should help resolve an infinite recusion issue on WASM and SPARC (possibly other platforms). See [2] and [3] for further details. [1]: https://github.com/rust-lang/compiler-builtins/pull/708 [2]: https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/sparc-unknown-none-elf.20regresssion.20between.20compiler-built.2E.2E.2E [3]: https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/.5Bwasm32.5D.20Infinite.20recursion.20.60compiler-builtins.60.20.60__multi3.60
2024-10-04Update compiler-builtins to 0.1.132Alan Wu-1/+1
This commit updates compiler-builtins from 0.1.130 to 0.1.132. PRs in the delta: - rust-lang/compiler-builtins#698 - rust-lang/compiler-builtins#699 - rust-lang/compiler-builtins#701 - rust-lang/compiler-builtins#704 - rust-lang/compiler-builtins#627 - rust-lang/compiler-builtins#706
2024-09-28Update compiler_builtins to 0.1.130Trevor Gross-1/+1
This includes the following which add `__divtf3` and `__powtf2`, and do some feature cleanup: - https://github.com/rust-lang/compiler-builtins/pull/622 - https://github.com/rust-lang/compiler-builtins/pull/692 - https://github.com/rust-lang/compiler-builtins/pull/614 - https://github.com/rust-lang/compiler-builtins/pull/694 The `cc` bump [1] was previously included but was reverted due to problems updating. [1]: https://github.com/rust-lang/compiler-builtins/pull/690
2024-09-26update `compiler_builtins` to `0.1.126`Folkert de Vries-1/+1
2024-09-05Update compiler-builtins to 0.1.125Alex Crichton-1/+1
This commit updates the compiler-builtins crate from 0.1.123 to 0.1.125. The changes in this update are: * https://github.com/rust-lang/compiler-builtins/pull/682 * https://github.com/rust-lang/compiler-builtins/pull/678 * https://github.com/rust-lang/compiler-builtins/pull/685
2024-08-31when -Zrandomize-layout is enabled disable alloc test testing internal ↵The 8472-0/+1
struct sizes
2024-08-29Update `compiler_builtins` to `0.1.123`Amjad Alsharafi-1/+1
Signed-off-by: Amjad Alsharafi <26300843+Amjad50@users.noreply.github.com>
2024-08-23Update `compiler_builtins` to `0.1.121`Scott McMurray-1/+1
2024-08-22Update `compiler_builtins` to `0.1.120`Amjad Alsharafi-1/+1
Signed-off-by: Amjad Alsharafi <26300843+Amjad50@users.noreply.github.com>
2024-08-08Update compiler-builtins version to 0.1.118Guillaume Gomez-1/+1
2024-08-06Update `compiler-builtins` to 0.1.117Trevor Gross-4/+1
This includes [1] which means we can remove the (nonworking) configuration of `no-f16-f128`. Fixes https://github.com/rust-lang/rust/issues/128401. [1]: https://github.com/rust-lang/compiler-builtins/pull/652
2024-07-29Auto merge of #125016 - nicholasbishop:bishop-cb-112, r=tgross35bors-2/+5
Update compiler_builtins to 0.1.114 The `weak-intrinsics` feature was removed from compiler_builtins in https://github.com/rust-lang/compiler-builtins/pull/598, so dropped the `compiler-builtins-weak-intrinsics` feature from alloc/std/sysroot. In https://github.com/rust-lang/compiler-builtins/pull/593, some builtins for f16/f128 were added. These don't work for all compiler backends, so add a `compiler-builtins-no-f16-f128` feature and disable it for cranelift and gcc.
2024-07-28Update compiler_builtins to 0.1.114Nicholas Bishop-2/+5
The `weak-intrinsics` feature was removed from compiler_builtins in https://github.com/rust-lang/compiler-builtins/pull/598, so dropped the `compiler-builtins-weak-intrinsics` feature from alloc/std/sysroot. In https://github.com/rust-lang/compiler-builtins/pull/593, some builtins for f16/f128 were added. These don't work for all compiler backends, so add a `compiler-builtins-no-f16-f128` feature and disable it for cranelift and gcc. Also disable it for LLVM targets that don't support it.
2024-06-27Cleanup bootstrap check-cfgUrgau-2/+0
2024-05-25Rollup merge of #123803 - Sp00ph:shrink_to_fix, r=Mark-SimulacrumMatthias Krüger-0/+4
Fix `VecDeque::shrink_to` UB when `handle_alloc_error` unwinds. Fixes #123369 For `VecDeque` it's relatively simple to restore the buffer into a consistent state so this PR does just that. Note that with its current implementation, `shrink_to` may change the internal arrangement of elements in the buffer, so e.g. `[D, <uninit>, A, B, C]` will become `[<uninit>, A, B, C, D]` and `[<uninit>, <uninit>, A, B, C]` may become `[B, C, <uninit>, <uninit>, A]` if `shrink_to` unwinds. This shouldn't be an issue though as we don't make any guarantees about the stability of the internal buffer arrangement (and this case is impossible to hit on stable anyways). This PR also includes a test with code adapted from #123369 which fails without the new `shrink_to` code. Does this suffice or do we maybe need more exhaustive tests like in #108475? cc `@Amanieu` `@rustbot` label +T-libs
2024-05-24Remove now outdated comment since we bumped stage0Urgau-1/+0
2024-05-21addresss reviewsLzu Tao-1/+4
2024-05-21Update check-cfg lists for allocLzu Tao-0/+9
2024-05-13Forward alloc features to coreDion Dokter-2/+2
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