MAKE_PC_FROM_RA
# define return_pointer(regs) (MAKE_PC_FROM_RA((regs)->areg[0], \
pc = MAKE_PC_FROM_RA(p->thread.ra, _text);
pc = MAKE_PC_FROM_RA(SPILL_SLOT(sp, 0), _text);
pc = MAKE_PC_FROM_RA(a0, pc);
frame.pc = MAKE_PC_FROM_RA(a0, _text);
pc = MAKE_PC_FROM_RA(a0, pc);
pc = MAKE_PC_FROM_RA(a0, pc);