[Bug target/110696] RISC-V: -march doesn't imply correctly

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110696

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Lehua Ding <lh...@gcc.gnu.org>:

https://gcc.gnu.org/g:70742d08832eb7db4d90f52465966111a19ce3a5

commit r14-2564-g70742d08832eb7db4d90f52465966111a19ce3a5
Author: Lehua Ding <lehua.d...@rivai.ai>
Date:   Mon Jul 17 12:27:12 2023 +0800

    RISC-V: Ensure all implied extensions are included [PR110696]

    This patch fix target/PR110696, recursively add all implied extensions.

            PR target/110696

    gcc/ChangeLog:

            * common/config/riscv/riscv-common.cc
(riscv_subset_list::handle_implied_ext):
            recur add all implied extensions.
            (riscv_subset_list::check_implied_ext): Add new method.
            (riscv_subset_list::parse): Call checker check_implied_ext.
            * config/riscv/riscv-subset.h: Add new method.

    gcc/testsuite/ChangeLog:

            * gcc.target/riscv/attribute-20.c: New test.
            * gcc.target/riscv/pr110696.c: New test.

    Signed-off-by: Lehua Ding <lehua.d...@rivai.ai>