[PATCH] D115507: Add PACBTI-M support to LLVM release notes.
Ties Stuij via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Dec 10 03:35:27 PST 2021
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
-------------------------------
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