AtomicU128/AtomicI128 not shown in std docs on rust-lang.org #130474

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1. programmerjake

   added

   A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and tools

   on Sep 17, 2024
2. rustbot

   added

   needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging

   on Sep 17, 2024
3. saethlin

   added

   A-atomicArea: Atomics, barriers, and sync primitivesArea: Atomics, barriers, and sync primitives

   A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

   T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

   and removed

   needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging

   on Sep 18, 2024
4. reddevilmidzy

   added

   E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

   on Mar 28, 2026
5. wwenrr commented on Apr 1, 2026

   

   wwenrr

   on Apr 1, 2026

   More actions

   @rustbot claim

   Hi, I’d like to work on this issue. I’ll investigate why AtomicU128/AtomicI128 are hidden in the rust-lang std docs build and propose a small fix or documentation adjustment.
6. rustbot

   assigned

   wwenrr

   on Apr 1, 2026
7. wwenrr commented on Apr 1, 2026

   

   wwenrr

   on Apr 1, 2026

   More actions

   Opened a fix PR:

   • core: include i128/u128 atomics in docs on targets without 128-bit atomics #154689

   Summary:

   • Include AtomicI128/AtomicU128 in rustdoc via cfg(any(doc, target_has_atomic_load_store = "128")).
   • This keeps runtime/target availability behavior unchanged, but makes the types visible in docs on rust-lang.org builds.
8. tgross35

   unassigned

   wwenrr

   on Apr 1, 2026
9. pluiee commented on Apr 25, 2026

   

   pluiee

   on Apr 25, 2026

   Contributor

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   @rustbot claim
10. rustbot

    assigned

    pluiee

    on Apr 25, 2026
11. JonathanBrouwer

    added 3 commits that reference this issue on Jun 22, 2026

    Rollup merge of rust-lang#155811 - pluiee:pluiee/atomic-128-doc, r=Ma…

    ...

    This issue will close once commit 2aaad5b is merged into the 'main' branch.

    2aaad5b

    Rollup merge of rust-lang#155811 - pluiee:pluiee/atomic-128-doc, r=Ma…

    ...

    This issue will close once commit a83f351 is merged into the 'main' branch.

    a83f351

    Rollup merge of rust-lang#155811 - pluiee:pluiee/atomic-128-doc, r=Ma…

    ...

    This issue will close once commit 3791e5e is merged into the 'main' branch.

    3791e5e
12. jhpratt

    added 2 commits that reference this issue on Jun 29, 2026

    Rollup merge of rust-lang#155811 - pluiee:pluiee/atomic-128-doc, r=Ma…

    ...

    This issue will close once commit 071adf5 is merged into the 'main' branch.

    071adf5

    Rollup merge of rust-lang#155811 - pluiee:pluiee/atomic-128-doc, r=Ma…

    ...

    This issue will close once commit fbe7cd8 is merged into the 'main' branch.

    fbe7cd8
13. rust-bors

    added a commit that references this issue on Jun 29, 2026

    Auto merge of #155811 - pluiee:pluiee/atomic-128-doc, r=Mark-Simulacrum

    ...

    This issue will close once commit d65c49d is merged into the 'main' branch.

    d65c49d
14. JonathanBrouwer

    added a commit that references this issue on Jul 11, 2026

    Rollup merge of rust-lang#155811 - pluiee:pluiee/atomic-128-doc, r=Ma…

    ...

    This issue will close once commit fb6c55b is merged into the 'main' branch.

    fb6c55b
15. rust-bors

    closed this as completedin fb6c55bon Jul 11, 2026
16. rust-timer

    added a commit that references this issue on Jul 11, 2026

    Unrolled build for #155811

    ...

    This issue will close once commit 110e1cc is merged into the 'main' branch.

    110e1cc