[Bug target/100093] different behavior between -mtune=cpu_type and target_attribute (“arch=cputype”)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100093

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>:

https://gcc.gnu.org/g:342de04d993beaa644d0b0087c20bef5dad5bf5f

commit r12-78-g342de04d993beaa644d0b0087c20bef5dad5bf5f
Author: liuhongt <hongtao....@intel.com>
Date:   Fri Apr 16 11:29:10 2021 +0800

    MASK_AVX256_SPLIT_UNALIGNED_STORE/LOAD should be cleared in
opts->x_target_flags when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is
enabled by target attribute.

    gcc/ChangeLog:

            PR target/100093
            * config/i386/i386-options.c (ix86_option_override_internal):
            Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
            when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
            by target attribute.

    gcc/testsuite/ChangeLog:

            PR target/100093
            * gcc.target/i386/pr100093.c: New test.