[Bug target/126328] x86 costing rejects forming of *sse3_haddv2df3_low from vec_select of sse3_haddv2df

"cvs-commit at gcc dot gnu.org via Gcc-bugs" <[email protected]> Fri, 24 Jul 2026 10:22:29 +0000

Newsgroups	gmane.comp.gcc.bugs
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126328

--- Comment #9 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <[email protected]>:

https://gcc.gnu.org/g:04e8cc4b19ce266985930994c84839c36ed1524b

commit r17-2682-g04e8cc4b19ce266985930994c84839c36ed1524b
Author: Richard Biener <[email protected]>
Date:   Tue Jul 21 16:24:23 2026 +0200

    Set INSN_CODE to recognized insn before calling insn_cost in combine

    The following makes the recognized INSN_CODEs available to the
    backends for costing via insn_cost.

            PR target/126328
            * combine.cc (combine_validate_cost): New arguments for
            the insn codes.  Set INSN_CODE to recognized values
            before calling insn_cost.
            (try_combine): Adjust.