This revision was landed with ongoing or failed builds. This revision was automatically updated to reflect the committed changes. Closed by commit rG5474d7d93271: [AArch64] Function multi-versioning release notes added. NFC. (authored by ilinpv). Herald added a project: clang. Herald added a subscriber: cfe-commits.
Changed prior to commit: https://reviews.llvm.org/D141606?vs=489558&id=491430#toc Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D141606/new/ https://reviews.llvm.org/D141606 Files: clang/docs/ReleaseNotes.rst llvm/docs/ReleaseNotes.rst Index: llvm/docs/ReleaseNotes.rst =================================================================== --- llvm/docs/ReleaseNotes.rst +++ llvm/docs/ReleaseNotes.rst @@ -133,6 +133,10 @@ * Added support for the Neoverse V2 CPU. * Added support for assembly for RME MEC (Memory Encryption Contexts). * Added codegen support for the Armv8.3 Complex Number extension. +* Implemented `Function Multi Versioning + <https://arm-software.github.io/acle/main/acle.html#function-multi-versioning>`_ + in accordance with Arm C Language Extensions specification. Currently in Beta + state. Changes to the AMDGPU Backend ----------------------------- Index: clang/docs/ReleaseNotes.rst =================================================================== --- clang/docs/ReleaseNotes.rst +++ clang/docs/ReleaseNotes.rst @@ -614,6 +614,15 @@ memory placement. It emits a warning if something in the code provably prevents an instance from a read-only memory placement. +- Introduced new attribute ``__attribute__((target_version("cpu_features")))`` + and expanded the functionality of the existing attribute + ``__attribute__((target_clones("cpu_features1","cpu_features2",...)))`` to + support Function Multi Versioning on AArch64 target. It detects at runtime + which function versions are supported by CPU and calls the one with highest + priority. Refer to `clang attributes + <https://clang.llvm.org/docs/AttributeReference.html#target-version>`_ for + more details. + Windows Support --------------- - For the MinGW driver, added the options ``-mguard=none``, ``-mguard=cf`` and
Index: llvm/docs/ReleaseNotes.rst =================================================================== --- llvm/docs/ReleaseNotes.rst +++ llvm/docs/ReleaseNotes.rst @@ -133,6 +133,10 @@ * Added support for the Neoverse V2 CPU. * Added support for assembly for RME MEC (Memory Encryption Contexts). * Added codegen support for the Armv8.3 Complex Number extension. +* Implemented `Function Multi Versioning + <https://arm-software.github.io/acle/main/acle.html#function-multi-versioning>`_ + in accordance with Arm C Language Extensions specification. Currently in Beta + state. Changes to the AMDGPU Backend ----------------------------- Index: clang/docs/ReleaseNotes.rst =================================================================== --- clang/docs/ReleaseNotes.rst +++ clang/docs/ReleaseNotes.rst @@ -614,6 +614,15 @@ memory placement. It emits a warning if something in the code provably prevents an instance from a read-only memory placement. +- Introduced new attribute ``__attribute__((target_version("cpu_features")))`` + and expanded the functionality of the existing attribute + ``__attribute__((target_clones("cpu_features1","cpu_features2",...)))`` to + support Function Multi Versioning on AArch64 target. It detects at runtime + which function versions are supported by CPU and calls the one with highest + priority. Refer to `clang attributes + <https://clang.llvm.org/docs/AttributeReference.html#target-version>`_ for + more details. + Windows Support --------------- - For the MinGW driver, added the options ``-mguard=none``, ``-mguard=cf`` and
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