>> That's wrong if lock is assigned to r0, you should use >> a "b" constraint to avoid this. Same for atomic_dec below. > > GCC should really have removed r0 from the "r" class (it isn't truly a > general-purpose register), and had a different class meaning > "r"-plus-r0.
Nah, GPR0 _is_ a general purpose register, you just cannot use all general purpose registers as base registers ;-) Either way, it's a bit late to change this, no? Segher _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
