OR $1234567, R5                 // 64a5001260a5d687
	OR $1234567, R5, R3             // 64a300126063d687
	OR $2147483648, R5, R3          // 64a38000
	OR $2147483649, R5, R3          // 64a3800060630001
	ORIS $255, R3, R4               // 646400ff
	OR $16711680, R3, R4            // 646400ff

	XOR $1, R3                      // 68630001
	XOR $1, R3, R4                  // 68640001

			var o1 uint32
			if target.IsBigEndian() {
				o1 = binary.BigEndian.Uint32(p[r.Off()-2:])
			} else {
				o1 = binary.LittleEndian.Uint32(p[r.Off():])
			}
			switch o1 >> 26 {
			case 25, // oris
				27, // xoris
				29: // andis
				if t>>16 != 0 {
					goto overflow
				}

			default:
				if int64(int16(t)) != t {
					goto overflow
				}
			}
		}