Stabilize keylocker intrinsics and runtime detection #1795
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This was referenced May 15, 2025
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Libs-api FCP is now complete, so this should be fine to merge now |
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Update stdarch submodule Updates the stdarch submodule. ## Merged PRs - rust-lang/stdarch#1797 - rust-lang/stdarch#1758 - rust-lang/stdarch#1798 - rust-lang/stdarch#1811 - rust-lang/stdarch#1810 - rust-lang/stdarch#1807 - rust-lang/stdarch#1806 - rust-lang/stdarch#1812 - rust-lang/stdarch#1795 - rust-lang/stdarch#1796 - rust-lang/stdarch#1813 - rust-lang/stdarch#1816 - rust-lang/stdarch#1818 - rust-lang/stdarch#1820 - rust-lang/stdarch#1819 r? `@Amanieu` `@rustbot` label T-libs-api Closes #111137
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Update stdarch submodule Updates the stdarch submodule. ## Merged PRs - rust-lang/stdarch#1797 - rust-lang/stdarch#1758 - rust-lang/stdarch#1798 - rust-lang/stdarch#1811 - rust-lang/stdarch#1810 - rust-lang/stdarch#1807 - rust-lang/stdarch#1806 - rust-lang/stdarch#1812 - rust-lang/stdarch#1795 - rust-lang/stdarch#1796 - rust-lang/stdarch#1813 - rust-lang/stdarch#1816 - rust-lang/stdarch#1818 - rust-lang/stdarch#1820 - rust-lang/stdarch#1819 r? `@Amanieu` `@rustbot` label T-libs-api Closes rust-lang/rust#111137
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Update stdarch submodule Updates the stdarch submodule. ## Merged PRs - rust-lang/stdarch#1797 - rust-lang/stdarch#1758 - rust-lang/stdarch#1798 - rust-lang/stdarch#1811 - rust-lang/stdarch#1810 - rust-lang/stdarch#1807 - rust-lang/stdarch#1806 - rust-lang/stdarch#1812 - rust-lang/stdarch#1795 - rust-lang/stdarch#1796 - rust-lang/stdarch#1813 - rust-lang/stdarch#1816 - rust-lang/stdarch#1818 - rust-lang/stdarch#1820 - rust-lang/stdarch#1819 r? `@Amanieu` `@rustbot` label T-libs-api Closes rust-lang/rust#111137
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Jun 9, 2025
Update stdarch submodule Updates the stdarch submodule. ## Merged PRs - rust-lang/stdarch#1797 - rust-lang/stdarch#1758 - rust-lang/stdarch#1798 - rust-lang/stdarch#1811 - rust-lang/stdarch#1810 - rust-lang/stdarch#1807 - rust-lang/stdarch#1806 - rust-lang/stdarch#1812 - rust-lang/stdarch#1795 - rust-lang/stdarch#1796 - rust-lang/stdarch#1813 - rust-lang/stdarch#1816 - rust-lang/stdarch#1818 - rust-lang/stdarch#1820 - rust-lang/stdarch#1819 r? `@Amanieu` `@rustbot` label T-libs-api Closes rust-lang/rust#111137
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Jun 9, 2025
Update stdarch submodule Updates the stdarch submodule. ## Merged PRs - rust-lang/stdarch#1797 - rust-lang/stdarch#1758 - rust-lang/stdarch#1798 - rust-lang/stdarch#1811 - rust-lang/stdarch#1810 - rust-lang/stdarch#1807 - rust-lang/stdarch#1806 - rust-lang/stdarch#1812 - rust-lang/stdarch#1795 - rust-lang/stdarch#1796 - rust-lang/stdarch#1813 - rust-lang/stdarch#1816 - rust-lang/stdarch#1818 - rust-lang/stdarch#1820 - rust-lang/stdarch#1819 r? `@Amanieu` `@rustbot` label T-libs-api Closes rust-lang/rust#111137
workingjubilee
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Jun 10, 2025
…viscross,tgross35 Stabilize keylocker This PR stabilizes the feature flag `keylocker_x86` (tracking issue rust-lang#134813). # Public API The 2 `x86` target features `kl` and `widekl`, and the associated intrinsics in stdarch. These target features are very specialized, and are only used to signal the presence of the corresponding CPU instruction. They don't have any nontrivial interaction with the ABI (contrary to something like AVX), and serve the only purpose of enabling 11 stdarch intrinsics, all of which have been implemented and propagated to rustc via a stdarch submodule update. Also, these were added way back in LLVM12, and as the minimum LLVM required for rustc is LLVM19, we are safe in that front too! # Associated PRs - rust-lang#134814 - rust-lang/stdarch#1706 - rust-lang#136831 (stdarch submodule update) - rust-lang/stdarch#1795 (stabilizing the runtime detection and intrinsics) - rust-lang#141964 (stdarch submodule update for the stabilization of the runtime detection and intrinsics) As all of the required tasks have been done (adding the target features to rustc, implementing their runtime detection in std_detect and implementing the associated intrinsics in core_arch), these target features can be stabilized now. cc `@rust-lang/lang` cc `@rust-lang/libs-api` for the intrinsics and runtime detection I don't think anyone else worked on this feature, so no one else to ping, maybe cc `@Amanieu.` I will send the reference pr soon.
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…viscross,tgross35 Stabilize keylocker This PR stabilizes the feature flag `keylocker_x86` (tracking issue rust-lang#134813). # Public API The 2 `x86` target features `kl` and `widekl`, and the associated intrinsics in stdarch. These target features are very specialized, and are only used to signal the presence of the corresponding CPU instruction. They don't have any nontrivial interaction with the ABI (contrary to something like AVX), and serve the only purpose of enabling 11 stdarch intrinsics, all of which have been implemented and propagated to rustc via a stdarch submodule update. Also, these were added way back in LLVM12, and as the minimum LLVM required for rustc is LLVM19, we are safe in that front too! # Associated PRs - rust-lang#134814 - rust-lang/stdarch#1706 - rust-lang#136831 (stdarch submodule update) - rust-lang/stdarch#1795 (stabilizing the runtime detection and intrinsics) - rust-lang#141964 (stdarch submodule update for the stabilization of the runtime detection and intrinsics) As all of the required tasks have been done (adding the target features to rustc, implementing their runtime detection in std_detect and implementing the associated intrinsics in core_arch), these target features can be stabilized now. cc ``@rust-lang/lang`` cc ``@rust-lang/libs-api`` for the intrinsics and runtime detection I don't think anyone else worked on this feature, so no one else to ping, maybe cc ``@Amanieu.`` I will send the reference pr soon.
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parent rust-lang/rust#134813
related: rust-lang/rust#140766
currently draft because this requires the lang and libs-api fcp to complete