} else {
				pc = int(decoder[pc])
			}

		case xCondDataSize:
			switch dataMode {
			case 16:
				if dataSizeIndex >= 0 {
					inst.Prefix[dataSizeIndex] |= PrefixImplicit
				}
				pc = int(decoder[pc])
			case 32:
				if dataSizeIndex >= 0 {
					inst.Prefix[dataSizeIndex] |= PrefixImplicit
				}
				pc = int(decoder[pc+1])
			case 64:
				rexUsed |= PrefixREXW
				pc = int(decoder[pc+2])