[Bug tree-optimization/109156] Support Absolute Difference detection in GCC

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109156

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Richard Sandiford <rsand...@gcc.gnu.org>:

https://gcc.gnu.org/g:ea616f687dccbe42012f786c0ebade5b05850206

commit r14-1833-gea616f687dccbe42012f786c0ebade5b05850206
Author: Oluwatamilore Adebayo <oluwatamilore.adeb...@arm.com>
Date:   Thu Jun 15 07:36:48 2023 +0100

    AArch64: New RTL for ABD

    This patch adds new RTL and tests for sabd and uabd

    PR tree-optimization/109156

    gcc/ChangeLog:

            * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>):
            Rename to <su>abd<mode>3.
            * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Rename
            to <su>abd<mode>3.

    gcc/testsuite/ChangeLog:

            * gcc.target/aarch64/abd.h: New file.
            * gcc.target/aarch64/abd_2.c: New test.
            * gcc.target/aarch64/abd_3.c: New test.
            * gcc.target/aarch64/abd_4.c: New test.
            * gcc.target/aarch64/abd_none_2.c: New test.
            * gcc.target/aarch64/abd_none_3.c: New test.
            * gcc.target/aarch64/abd_none_4.c: New test.
            * gcc.target/aarch64/abd_run_1.c: New test.
            * gcc.target/aarch64/sve/abd_1.c: New test.
            * gcc.target/aarch64/sve/abd_none_1.c: New test.
            * gcc.target/aarch64/sve/abd_2.c: New test.
            * gcc.target/aarch64/sve/abd_none_2.c: New test.