ALPHA_PSL_IPL_0
(void) alpha_pal_swpipl(ALPHA_PSL_IPL_0);
return (alpha_pal_swpipl(ALPHA_PSL_IPL_0));
#define IPL_NONE ALPHA_PSL_IPL_0
((s) == ALPHA_PSL_IPL_0 ? spl0() : (int)alpha_pal_swpipl(s))