__ireg_used
__rv = ((__va).__ireg_used < __NUM_PARM_IREGS \
? (&__savereg((__va))->__ireg[(__va).__ireg_used++]) \
else if ((__va).__ireg_used + sizeof (__type) / 4 <= __NUM_PARM_IREGS) \
__rv = &__savereg((__va))->__ireg[(__va).__ireg_used]; \
(__va).__ireg_used += sizeof (__type) / 4; \
unsigned __ireg_used; /* How many int regs consumed 'til now? */
unsigned __ireg_used; /* How many int regs consumed 'til now? */
(pvar).__ireg_used = __builtin_args_info (0) / 4, \