[Bug target/126676] [17 Regression] ICE with XFmode under -mavx10.2 -mapxf

"cvs-commit at gcc dot gnu.org via Gcc-bugs" <[email protected]> Tue, 11 Aug 2026 01:59:45 +0000

Newsgroups	gmane.comp.gcc.bugs
Message-ID	<[email protected]/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126676

--- Comment #5 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Hu <[email protected]>:

https://gcc.gnu.org/g:121691a8f8b29fd0cc8bf538b5a24424607a59f6

commit r17-3196-g121691a8f8b29fd0cc8bf538b5a24424607a59f6
Author: Hu, Lin1 <[email protected]>
Date:   Fri Aug 7 16:07:45 2026 +0800

    i386: Don't use VCOMX for XFmode compares [PR126676]

    gcc/ChangeLog:

            PR target/126676
            * config/i386/i386-expand.cc (ix86_expand_fp_compare): Only use
            UNSPEC_OPTCOMX for the modes VCOMX exists for.

    gcc/testsuite/ChangeLog:

            PR target/126676
            * gcc.target/i386/pr126676.c: New test.