Author: Pavel Iliin Date: 2023-01-23T18:31:22Z New Revision: c57eaf1c8ce37f52f19f47f61591dd7597a68226
URL: https://github.com/llvm/llvm-project/commit/c57eaf1c8ce37f52f19f47f61591dd7597a68226 DIFF: https://github.com/llvm/llvm-project/commit/c57eaf1c8ce37f52f19f47f61591dd7597a68226.diff LOG: [AArch64] Function multi-versioning release notes added. NFC. Differential Revision: https://reviews.llvm.org/D142265 Added: Modified: clang/docs/ReleaseNotes.rst llvm/docs/ReleaseNotes.rst Removed: ################################################################################ diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index e996858c6830b..080a400726057 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -614,6 +614,15 @@ Attribute Changes in Clang 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 diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index fbacfefe467cb..53c947dc7cef1 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -133,6 +133,10 @@ Changes to the AArch64 Backend * 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 ----------------------------- _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
