[Bug target/96536] -fcf-protection code in i386.md:restore_stack_nonlocal uses invalid compare-and-jump rtl
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Aug 18 15:32:28 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96536
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:
https://gcc.gnu.org/g:f8104bb9dc2365d268ca93e43a24f42e8314fcc1
commit r11-2739-gf8104bb9dc2365d268ca93e43a24f42e8314fcc1
Author: Uros Bizjak <ubizjak@gmail.com>
Date: Tue Aug 18 17:31:49 2020 +0200
i386: Rewrite restore_stack_nonlocal expander [PR96536].
-fcf-protection code in restore_stack_nonlocal uses a branch based on
a clobber result. The patch adds missing compare and completely
rewrites the expander to use high-level functions in RTL construction.
2020-08-18 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
PR target/96536
* config/i386/i386.md (restore_stack_nonlocal): Add missing compare
RTX. Rewrite expander to use high-level functions in RTL
construction.
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