https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97327
--- Comment #1 from Christophe Lyon <clyon at gcc dot gnu.org> --- Similarly: -mcpu=cortex-m55+nomve -march=armv8.1-m.main+mve -mfloat-abi=softfp cc1: warning: switch '-mcpu=cortex-m55' conflicts with '-march=armv8.1-m.main' switch -mcpu=cortex-m55+nomve -march=armv8.1-m.main -mfloat-abi=softfp cc1: warning: switch '-mcpu=cortex-m55' conflicts with '-march=armv8.1-m.main' switch