[Bug target/116274] [14 Regression] x86: poor code generation with 16 byte function arguments and addition

"cvs-commit at gcc dot gnu.org via Gcc-bugs" <[email protected]> Tue, 28 Jul 2026 23:09:10 +0000

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116274

--- Comment #14 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <[email protected]>:

https://gcc.gnu.org/g:30024f2093e4a234fa0e1b159d6a24514aa364cb

commit r17-2767-g30024f2093e4a234fa0e1b159d6a24514aa364cb
Author: H.J. Lu <[email protected]>
Date:   Wed Jul 29 06:51:24 2026 +0800

    gcc.target/i386/pr116274-2.c: Check function body

    gcc.target/i386/pr116274-2.c has been optimized to:

    test:
            .cfi_startproc
            leaq    (%rdi,%rsi), %rax
            ret

    for x86-64 since GCC 15.  Add check-function-bodies to verify it.

            PR target/116274
            * gcc.target/i386/pr116274-2.c: Add check-function-bodies.

    Signed-off-by: H.J. Lu <[email protected]>