[Bug target/101685] [12 Regression] -march=amdfam10 -mno-lzcnt Defines __LZCNT__

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101685

--- Comment #1 from CVS 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:854ef6e50acf1b182ddaf007cff2cf60545692b0

commit r12-2624-g854ef6e50acf1b182ddaf007cff2cf60545692b0
Author: H.J. Lu <hjl.to...@gmail.com>
Date:   Fri Jul 30 05:58:38 2021 -0700

    x86: Don't enable LZCNT/POPCNT if disabled explicitly

    gcc/

            PR target/101685
            * config/i386/i386-options.c (ix86_option_override_internal):
            Don't enable LZCNT/POPCNT if they have been disabled explicitly.

    gcc/testsuite/

            PR target/101685
            * gcc.target/i386/pr101685.c: New test.