config/s390/s390.c

474    CC1 and CC2 for mixed selected bits (TMxx), it is false
496   /* Exactly two bits selected, mixed zeroes and ones: CC1 or CC2. e.g.:
825   const int CC2 = 1 << 1;
839 	case NE:	return CC1 | CC2 | CC3;
848 	case NE:	return CC0 | CC2 | CC3;
856         case EQ:	return CC2;
866 	case NE:	return CC0 | CC1 | CC2;
874         case EQ:	return CC0 | CC2;
883 	case LTU:	return CC2 | CC3;  /* carry */
893 	case LEU:	return CC2 | CC3;  /* no borrow */
901 	case EQ:	return CC0 | CC2;
905 	case LEU:	return CC1 | CC2;
906 	case GEU:	return CC2 | CC3;
914         case NE:	return CC1 | CC2 | CC3;
916         case GTU:	return CC2;
918         case GEU:	return CC0 | CC2;
927         case NE:	return CC2 | CC1 | CC3;
928         case LTU:	return CC2;
930         case LEU:	return CC0 | CC2;
940         case NE:	return CC1 | CC2 | CC3;
942         case GT:	return CC2;
944         case GE:	return CC0 | CC2;
953         case NE:	return CC1 | CC2 | CC3;
955         case GT:	return CC2 | CC3;
957         case GE:	return CC0 | CC2 | CC3;
966         case NE:	return CC1 | CC2 | CC3;
968         case GT:	return CC2;
970         case GE:	return CC0 | CC2;
972 	case ORDERED:	return CC0 | CC1 | CC2;
975         case UNGT:	return CC2 | CC3;
977         case UNGE:	return CC0 | CC2 | CC3;
978 	case LTGT:	return CC1 | CC2;
987         case NE:	return CC2 | CC1 | CC3;
988         case LT:	return CC2;
990         case LE:	return CC0 | CC2;
993 	case ORDERED:	return CC0 | CC2 | CC1;
995         case UNLT:	return CC2 | CC3;
997         case UNLE:	return CC0 | CC2 | CC3;
999 	case LTGT:	return CC2 | CC1;
3813    (borrow = CC0 | CC1 and carry = CC2 | CC3)
3815    if (a < b)  c++; -> CCU  b > a  -> CC2;    c += carry;
3823    if (a != b) c++; -> CCU  a ^= b; a > 0  -> CC2;       c += carry;