REGS_FIXED
assert (bufp->regs_allocated == REGS_FIXED);
private_preg.regs_allocated = REGS_FIXED;
gRe.regs_allocated = REGS_FIXED;
else if (BE (bufp->regs_allocated == REGS_FIXED
assert (regs_allocated == REGS_FIXED);
rval = REGS_FIXED;