Replace `f16` and `f128` pattern matching stubs with real implementations
This section of code depends on `rustc_apfloat` rather than our internal types, so this is one potential ICE that we should be able to melt now.
r? `@Nadrieril`
This section of code depends on `rustc_apfloat` rather than our internal
types, so this is one potential ICE that we should be able to melt now.
This also fixes some missing range and match handling in `rustc_middle`.
Ignore `branch-protection-check-IBT` run-make test
The old Makefile implementation (#110304) had an improper comparison which caused the test to never run. However, both the updated Makefile implementation and the rmake implementation fail (missing `.note.gnu.property`). This could be a bug in the original implementation or test flakiness.
Edit: Manually recreating the test case shows that `.note.gnu.property` does not appear in nightly.
```rust
// main.rs
fn main() {
println!("hello world");
}
```
```sh
$ rustc +nightly -V
rustc 1.81.0-nightly (c1b336cb6 2024-06-21)
$ rustc +stable -V
rustc 1.79.0 (129f3b996 2024-06-10)
```
```sh
$ rustc +nightly -Zcf-protection=branch -Clink-args=-nostartfiles -Csave-temps "-L$PWD" main.rs -o main
$ llvm-readobj --elf-output-style=GNU -nW main
Displaying notes found in: .note.gnu.build-id
Owner Data size Description
GNU 0x00000008 NT_GNU_BUILD_ID (unique build ID bitstring)
Build ID: bcae34e6431b2a37
```
Compiling without the other flags still does not show `.note.gnu.property`.
```sh
$ rustc +nightly main.rs -o main
$ llvm-readobj --elf-output-style=GNU -nW main
Displaying notes found in: .note.ABI-tag
Owner Data size Description
GNU 0x00000010 NT_GNU_ABI_TAG (ABI version tag)
OS: Linux, ABI: 4.4.0
Displaying notes found in: .note.gnu.build-id
Owner Data size Description
GNU 0x00000008 NT_GNU_BUILD_ID (unique build ID bitstring)
Build ID: d60d5f108b63bf3a
```
Compiling on stable shows `.note.gnu.property`.
```sh
$ rustc +stable main.rs -o main
$ llvm-readobj --elf-output-style=GNU -nW main
Displaying notes found in: .note.gnu.property
Owner Data size Description
GNU 0x00000010 NT_GNU_PROPERTY_TYPE_0 (property note)
Properties: x86 ISA needed: x86-64-baseline
Displaying notes found in: .note.gnu.build-id
Owner Data size Description
GNU 0x00000014 NT_GNU_BUILD_ID (unique build ID bitstring)
Build ID: 4a494eb578123314e6ff1caf1c8877e27004664f
Displaying notes found in: .note.ABI-tag
Owner Data size Description
GNU 0x00000010 NT_GNU_ABI_TAG (ABI version tag)
OS: Linux, ABI: 4.4.0
```
Part of #121876.
r? `@jieyouxu`
rustdoc: Add support for `missing_unsafe_on_extern` feature
Follow-up of https://github.com/rust-lang/rust/pull/124482.
Not sure if the `safe` keyword is supposed to be displayed or not though? For now I didn't add it in the generated doc, only `unsafe` as usual.
cc `@spastorino`
r? `@fmease`
Remove use of const traits (and `feature(effects)`) from stdlib
The current uses are already unsound because they are using non-const impls in const contexts. We can reintroduce them by reverting the commit in this PR, after #120639 lands.
Also, make `effects` an incomplete feature.
cc `@rust-lang/project-const-traits`
r? `@compiler-errors`
Fix `...` in multline code-skips in suggestions
When we have long code skips, we write `...` in the line number gutter.
For suggestions, we were "centering" the `...` with the line, but that was inconsistent with what we do in every other case *and* off-center.
Add `f16` inline ASM support for 32-bit ARM
Adds `f16` inline ASM support for 32-bit ARM. SIMD vector types are taken from [here](https://developer.arm.com/architectures/instruction-sets/intrinsics/#f:`@navigationhierarchiesreturnbasetype=[float]&f:@navigationhierarchieselementbitsize=[16]&f:@navigationhierarchiesarchitectures=[A32]).`
Relevant issue: #125398
Tracking issue: #116909
`@rustbot` label +F-f16_and_f128
Add a tidy rule to check that fluent messages and attrs don't end in `.`
This adds a new dependency on `fluent-parse` to `tidy` -- we already rely on it in rustc so I feel like it's not that big of a deal.
This PR also adjusts many error messages that currently end in `.`; not all of them since I added an `ALLOWLIST`, excluded `rustc_codegen_*` ftl files, and `.teach_note` attributes.
r? ``@estebank`` ``@oli-obk``
Migrate `relocation-model`, `error-writing-dependencies` and `crate-name-priority` `run-make` tests to rmake
Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).
Needs MSVC try-job due to #28026, almost guaranteed to fail, but let's see anyways.
try-job: aarch64-gnu
`/* try-job: x86_64-msvc */`
try-job: x86_64-apple-1
try-job: armhf-gnu
try-job: test-various
Add `f16` inline ASM support for RISC-V
This PR adds `f16` inline ASM support for RISC-V. A `FIXME` is left for `f128` support as LLVM does not support the required `Q` (Quad-Precision Floating-Point) extension yet.
Relevant issue: #125398
Tracking issue: #116909
`@rustbot` label +F-f16_and_f128
