> -#define __arch_xchg_masked(prepend, append, r, p, n) \ > +#define __arch_xchg_masked(swap_sfx, prepend, append, r, p, n) \ This actually indicates a problem in the current (aka, no Zabha) implementation: without your series, xchg16() gets mapped to lr.w a2,(a3) and a1,a2,a5 or a1,a1,a4 sc.w a1,a1,(a3) bnez a1,43c <.L0^B1> which is clearly wrong... (other "fully-ordered LR/SC sequences" instead follow the mapping lr.w a2,(a3) and a1,a2,a5 or a1,a1,a4 sc.w.rl a1,a1,(a3) bnez a1,43c <.L0^B1> fence rw,rw ) A similar consideration for xchg8(). Andrea
