stuij created this revision. stuij requested review of this revision. Herald added projects: clang, LLVM. Herald added subscribers: llvm-commits, cfe-commits.
Clang release note changes will be added once the last PACBTI-M command line patch lands. Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D115507 Files: clang/docs/ReleaseNotes.rst llvm/docs/ReleaseNotes.rst Index: llvm/docs/ReleaseNotes.rst =================================================================== --- llvm/docs/ReleaseNotes.rst +++ llvm/docs/ReleaseNotes.rst @@ -83,6 +83,7 @@ -------------------------- * Added support for the Armv9-A, Armv9.1-A and Armv9.2-A architectures. +* Added support for the Armv8.1-M PACBTI-M extension. Changes to the MIPS Target -------------------------- Index: clang/docs/ReleaseNotes.rst =================================================================== --- clang/docs/ReleaseNotes.rst +++ clang/docs/ReleaseNotes.rst @@ -69,6 +69,9 @@ - Clang plugin arguments can now be passed through the compiler driver via ``-fplugin-arg-pluginname-arg``, similar to GCC's ``-fplugin-arg``. +- The ``-mbranch-protection`` flag will now also work for the ARM backend +- The ``-mno-bti-at-return-twice`` flag will make sure a BTI instruction won't + be added after a setjmp or other return-twice construct (ARM backend only). Deprecated Compiler Flags ------------------------- @@ -226,6 +229,8 @@ architecture features, but will enable certain optimizations specific to Cortex-A57 CPUs and enable the use of a more accurate scheduling model. +Do not add a BTI instruction after a setjmp or other return-twice construct (Arm +only) Floating Point Support in Clang -------------------------------
Index: llvm/docs/ReleaseNotes.rst =================================================================== --- llvm/docs/ReleaseNotes.rst +++ llvm/docs/ReleaseNotes.rst @@ -83,6 +83,7 @@ -------------------------- * Added support for the Armv9-A, Armv9.1-A and Armv9.2-A architectures. +* Added support for the Armv8.1-M PACBTI-M extension. Changes to the MIPS Target -------------------------- Index: clang/docs/ReleaseNotes.rst =================================================================== --- clang/docs/ReleaseNotes.rst +++ clang/docs/ReleaseNotes.rst @@ -69,6 +69,9 @@ - Clang plugin arguments can now be passed through the compiler driver via ``-fplugin-arg-pluginname-arg``, similar to GCC's ``-fplugin-arg``. +- The ``-mbranch-protection`` flag will now also work for the ARM backend +- The ``-mno-bti-at-return-twice`` flag will make sure a BTI instruction won't + be added after a setjmp or other return-twice construct (ARM backend only). Deprecated Compiler Flags ------------------------- @@ -226,6 +229,8 @@ architecture features, but will enable certain optimizations specific to Cortex-A57 CPUs and enable the use of a more accurate scheduling model. +Do not add a BTI instruction after a setjmp or other return-twice construct (Arm +only) Floating Point Support in Clang -------------------------------
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