https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29366
--- Comment #8 from Oleg Endo <olegendo at gcc dot gnu.org> --- Author: olegendo Date: Sun Jan 25 16:54:33 2015 New Revision: 220094 URL: https://gcc.gnu.org/viewcvs?rev=220094&root=gcc&view=rev Log: libstdc++-v3/ PR target/29366 * config/cpu/sh/atomicity.h (__exchange_and_add, __atomic_add): Remove SH4A inline asm and lock based implementations and use the defaults from ext/atomicity.h. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/config/cpu/sh/atomicity.h