https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113312
--- Comment #28 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- __attribute__((no_callee_saved_registers)) is added in GCC14.
liuhongt at gcc dot gnu.org via Gcc-bugs Tue, 09 Jul 2024 00:08:18 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113312
--- Comment #28 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- __attribute__((no_callee_saved_registers)) is added in GCC14.