[Bug rtl-optimization/38534] gcc 4.2.1 and above: No need to save called-saved registers in 'noreturn' function

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38534

--- Comment #24 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <h...@gcc.gnu.org>:

https://gcc.gnu.org/g:291f75fa1bc6a23c6184bb99c726074b13f2f18e

commit r14-8495-g291f75fa1bc6a23c6184bb99c726074b13f2f18e
Author: H.J. Lu <hjl.to...@gmail.com>
Date:   Sat Jan 27 05:48:45 2024 -0800

    x86: Save callee-saved registers in noreturn functions for -O0/-Og

    Save callee-saved registers in noreturn functions for -O0/-Og so that
    debugger can restore callee-saved registers in caller's frame.

    Also add the TREE_THIS_VOLATILE check to minimize noreturn attribute
    lookup.

    gcc/

            PR target/38534
            * config/i386/i386-options.cc (ix86_set_func_type): Save
            callee-saved registers in noreturn functions for -O0/-Og.

    gcc/testsuite/

            PR target/38534
            * gcc.target/i386/pr38534-5.c: New file.
            * gcc.target/i386/pr38534-6.c: Likewise.