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platform-support: document CPU baseline for x86-32 targets by RalfJung · Pull Request #136493 · rust-lang/rust

@RalfJung

ehuss

@rustbot rustbot added the T-compiler

Relevant to the compiler team, which will review and decide on the PR/issue.

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Feb 3, 2025

Noratrieb

@RalfJung

@bors bors added S-waiting-on-bors

Status: Waiting on bors to run and complete tests. Bors will change the label on completion.

and removed S-waiting-on-review

Status: Awaiting review from the assignee but also interested parties.

labels

Feb 3, 2025

matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request

Feb 3, 2025 
…oratrieb

platform-support: document CPU baseline for x86-32 targets

Also fixes the footnote for i686-unknown-hurd-gnu (which has the bad case of the x87 issue since it uses a non-SSE baseline) and adds the missing footnote for i686-unknown-redox. Both of those targets break our usual pattern by not using the Pentium 4 baseline, but fixing that is a much larger change that I will not pursue (see [Zulip](https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/x86-32.20target.20names)).

Cc `@bjorn3`

This was referenced

Feb 3, 2025

bors added a commit to rust-lang-ci/rust that referenced this pull request

Feb 4, 2025 
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#136289 (OnceCell & OnceLock docs: Using (un)initialized consistently)
 - rust-lang#136299 (Ignore NLL boring locals in polonius diagnostics)
 - rust-lang#136411 (Omit argument names from function pointers that do not have argument names)
 - rust-lang#136430 (Use the type-level constant value `ty::Value` where needed)
 - rust-lang#136476 (Remove generic `//@ ignore-{wasm,wasm32,emscripten}` in tests)
 - rust-lang#136484 (Notes on types/traits used for in-memory query caching)
 - rust-lang#136493 (platform-support: document CPU baseline for x86-32 targets)
 - rust-lang#136498 (Update books)

r? `@ghost`
`@rustbot` modify labels: rollup

rust-timer added a commit to rust-lang-ci/rust that referenced this pull request

Feb 4, 2025 
Rollup merge of rust-lang#136493 - RalfJung:x86-platform-support, r=Noratrieb

platform-support: document CPU baseline for x86-32 targets

Also fixes the footnote for i686-unknown-hurd-gnu (which has the bad case of the x87 issue since it uses a non-SSE baseline) and adds the missing footnote for i686-unknown-redox. Both of those targets break our usual pattern by not using the Pentium 4 baseline, but fixing that is a much larger change that I will not pursue (see [Zulip](https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/x86-32.20target.20names)).

Cc ``@bjorn3``