[Bug target/82735] _mm256_zeroupper does not invalidate previously computed registers

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82735

--- Comment #21 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>:

https://gcc.gnu.org/g:a90f558bbb87c0b5d2b1e07d55bd585b2285cf3d

commit r14-2114-ga90f558bbb87c0b5d2b1e07d55bd585b2285cf3d
Author: liuhongt <hongtao....@intel.com>
Date:   Mon Jun 26 13:59:29 2023 +0800

    Don't issue vzeroupper for vzeroupper call_insn.

    gcc/ChangeLog:

            PR target/82735
            * config/i386/i386.cc (ix86_avx_u127_mode_needed): Don't emit
            vzeroupper for vzeroupper call_insn.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/avx-vzeroupper-30.c: New test.