4373                                              Register overflow_dst,  in AdduAndCheckForOverflow()  argument
4375   DCHECK(!dst.is(overflow_dst));  in AdduAndCheckForOverflow()
4377   DCHECK(!overflow_dst.is(scratch));  in AdduAndCheckForOverflow()
4378   DCHECK(!overflow_dst.is(left));  in AdduAndCheckForOverflow()
4379   DCHECK(!overflow_dst.is(right));  in AdduAndCheckForOverflow()
4386     DCHECK(!overflow_dst.is(t9));  in AdduAndCheckForOverflow()
4395     xor_(overflow_dst, dst, right);  in AdduAndCheckForOverflow()
4396     and_(overflow_dst, overflow_dst, scratch);  in AdduAndCheckForOverflow()
4401     xor_(overflow_dst, dst, left);  in AdduAndCheckForOverflow()
4402     and_(overflow_dst, overflow_dst, scratch);  in AdduAndCheckForOverflow()
4405     xor_(overflow_dst, dst, left);  in AdduAndCheckForOverflow()
4407     and_(overflow_dst, scratch, overflow_dst);  in AdduAndCheckForOverflow()
4415                                              Register overflow_dst,  in SubuAndCheckForOverflow()  argument
4417   DCHECK(!dst.is(overflow_dst));  in SubuAndCheckForOverflow()
4419   DCHECK(!overflow_dst.is(scratch));  in SubuAndCheckForOverflow()
4420   DCHECK(!overflow_dst.is(left));  in SubuAndCheckForOverflow()
4421   DCHECK(!overflow_dst.is(right));  in SubuAndCheckForOverflow()
4429     mov(overflow_dst, zero_reg);  in SubuAndCheckForOverflow()
4436     xor_(overflow_dst, dst, scratch);  // scratch is original left.  in SubuAndCheckForOverflow()
4438     and_(overflow_dst, scratch, overflow_dst);  in SubuAndCheckForOverflow()
4442     xor_(overflow_dst, dst, left);  in SubuAndCheckForOverflow()
4444     and_(overflow_dst, scratch, overflow_dst);  in SubuAndCheckForOverflow()
4447     xor_(overflow_dst, dst, left);  in SubuAndCheckForOverflow()
4449     and_(overflow_dst, scratch, overflow_dst);  in SubuAndCheckForOverflow()