https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78945
nsz at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |arm-* --- Comment #1 from nsz at gcc dot gnu.org --- building a cross compiler with --with-mode=thumb --with-arch=armv7 fails with /tmp/ccCnEnAK.s:61: Error: selected processor does not support `uadd8 r3,r3,r3' in Thumb mode /tmp/ccCnEnAK.s:63: Error: selected processor does not support `sel r3,r1,r4' in Thumb mode because the asm in libatomic/config/arm/exch_n.c is not compatible with armv7-m.