[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 15:36:39 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96536

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:

https://gcc.gnu.org/g:6342cee8801f191466b71116d004e8ccb812caaa

commit r10-8638-g6342cee8801f191466b71116d004e8ccb812caaa
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Tue Aug 18 17:34:37 2020 +0200

    i386: Fix 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.

    2020-08-18  Uroš Bizjak  <ubizjak@gmail.com>

    gcc/ChangeLog:

            PR target/96536
            * config/i386/i386.md (restore_stack_nonlocal):
            Add missing compare RTX.


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