[Bug middle-end/64242] Longjmp expansion incorrect

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64242

--- Comment #41 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Chenghua Xu <paulhua@gcc.gnu.org>:

https://gcc.gnu.org/g:68e605c93d57c17f07edd50f7e1c80f9216befd2

commit r11-2835-g68e605c93d57c17f07edd50f7e1c80f9216befd2
Author: Andrew Pinski <apinski@marvell.com>
Date:   Tue Aug 25 14:17:52 2020 +0800

    MIPS: Fix __builtin_longjmp (PR 64242)

    The problem here is mips has its own builtin_longjmp
    pattern and it was not fixed when expand_builtin_longjmp
    was fixed.  We need to read the new fp and gp before
    restoring the stack as the buffer might be a local
    variable.

    2020-08-25  Andrew Pinski  <apinski@marvell.com>

    gcc/ChangeLog:

            PR middle-end/64242
            * config/mips/mips.md (builtin_longjmp): Restore the frame
            pointer and stack pointer and gp.