https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99890
--- Comment #2 from ZhangMin <zmin1 at avic dot com> --- (In reply to Andrew Pinski from comment #1) > Because it is a target specific option. > What exactly are you trying to do? > > most instructions in ARMv7+ support unaligned data. Although armv7 + supports non aligned data access, our application requires data aligned access. On PowerPC, we can achieve the goal well by using - mstrict align option, but not on arm. Is there any other way to solve this problem?