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Subject: [Bug middle-end/112600] Failed to optimize saturating addition using
 __builtin_add_overflow
Date: Fri, 17 May 2024 14:57:10 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112600

--- Comment #8 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:

https://gcc.gnu.org/g:b59de4113262f2bee14147eb17eb3592f03d9556

commit r15-634-gb59de4113262f2bee14147eb17eb3592f03d9556
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Fri May 17 09:55:49 2024 +0200

    i386: Rename sat_plusminus expanders to standard names [PR112600]

    Rename <sse2_avx2>_<insn><mode>3<mask_name> expander to a standard ssad=
d,
    usadd, sssub and ussub name to enable corresponding optab expansion.

    Also add named expander for MMX modes.

            PR middle-end/112600

    gcc/ChangeLog:

            * config/i386/mmx.md (<insn><mode>3): New expander.
            * config/i386/sse.md
            (<sse2_avx2>_<sat_plusminus:insn><mode>3<mask_name>):
            Rename expander to <sat_plusminus:insn><mode>3<mask_name>.
            (<umaxmin:code><mode>3): Update for rename.
            * config/i386/i386-builtin.def: Update for rename.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr112600-1a.c: New test.
            * gcc.target/i386/pr112600-1b.c: New test.=