[Bug target/123748] Conversion from long to float is not vectorized for aarch64 target

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123748

--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pengxuan Zheng <pzh...@gcc.gnu.org>:

https://gcc.gnu.org/g:f2d10af76ed7735556d8f3dedce7090f663cd715

commit r17-606-gf2d10af76ed7735556d8f3dedce7090f663cd715
Author: Pengxuan Zheng <pengxuan.zh...@oss.qualcomm.com>
Date:   Wed Mar 18 10:41:35 2026 -0700

    aarch64: Add vec_packs_float pattern [PR123748]

    This enables the vectorizer to vectorize conversion from long to float for
    aarch64 target.

    Bootstrapped and tested on aarch64_linux_gnu.

            PR target/123748

    gcc/ChangeLog:

            * config/aarch64/aarch64-simd.md (vec_packs_float_v2di): New
pattern.

    gcc/testsuite/ChangeLog:

            * gcc.target/aarch64/pr123748.c: New test.

    Signed-off-by: Pengxuan Zheng <pengxuan.zh...@oss.qualcomm.com>