https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115253
--- Comment #5 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Torbjorn Svensson <az...@gcc.gnu.org>: https://gcc.gnu.org/g:65bd0655ece268895e5018e393bafb769e201c78 commit r15-1200-g65bd0655ece268895e5018e393bafb769e201c78 Author: Torbjörn SVENSSON <torbjorn.svens...@foss.st.com> Date: Thu Jun 6 17:12:11 2024 +0200 arm: Zero/Sign extends for CMSE security on Armv8-M.baseline [PR115253] Properly handle zero and sign extension for Armv8-M.baseline as Cortex-M23 can have the security extension active. Currently, there is an internal compiler error on Cortex-M23 for the epilog processing of sign extension. This patch addresses the following CVE-2024-0151 for Armv8-M.baseline. gcc/ChangeLog: PR target/115253 * config/arm/arm.cc (cmse_nonsecure_call_inline_register_clear): Sign extend for Thumb1. (thumb1_expand_prologue): Add zero/sign extend. Signed-off-by: Torbjörn SVENSSON <torbjorn.svens...@foss.st.com> Co-authored-by: Yvan ROUX <yvan.r...@foss.st.com>
