本文为汇编语言的JCC指令表。
| JCC指令 | 中文含义 | 英文原意 | 检查符号位 | 典型c应用 |
|---|---|---|---|---|
| JZ/JE | 若为0则跳转；若相等则跳转 | jump if zero;jump if equal | ZF=1 | if (i == j);if (i == 0); |
| JNZ/JNE | 若不为0则跳转；若不相等则跳转 | jump if not zero;jump if not equal | ZF=0 | if (i != j);if (i != 0); |
| JS | 若为负则跳转 | jump if sign | SF=1 | if (i < 0); |
| JNS | 若为正则跳转 | jump if not sign | SF=0 | if (i > 0); |
| JP/JPE | 若1出现次数为偶数则跳转 | jump if Parity (Even) | PF=1 | (null) |
| JNP/JPO | 若1出现次数为奇数则跳转 | jump if not parity (odd) | PF=0 | (null) |
| JO | 若溢出则跳转 | jump if overflow | OF=1 | (null) |
| JNO | 若无溢出则跳转 | jump if not overflow | OF=0 | (null) |
| JC/JB/JNAE | 若进位则跳转；若低于则跳转；若不高于等于则跳转 | jump if carry;jump if below;jump if not above equal | CF=1 | if (i < j); |
| JNC/JNB/JAE | 若无进位则跳转；若不低于则跳转；若高于等于则跳转 | jump if not carry;jump if not below;jump if above equal | CF=0 | if (i >= j); |
| JBE/JNA | 若低于等于则跳转；若不高于则跳转 | jump if below equal;jump if not above | ZF=1或CF=1 | if (i <= j); |
| JNBE/JA | 若不低于等于则跳转；若高于则跳转 | jump if not below equal;jump if above | ZF=0或CF=0 | if (i > j); |
| JL/JNGE | 若小于则跳转；若不大于等于则跳转 | jump if less;jump if not greater equal | SF != OF | if (si < sj); |
| JNL/JGE | 若不小于则跳转；若大于等于则跳转 | jump if not less;jump if greater equal | SF=OF | if (si >= sj); |
| JLE/JNG | 若小于等于则跳转；若不大于则跳转 | jump if less equal;jump if not greater | ZF != OF 或 ZF=1 | if (si <= sj); |
| JNLE/JG | 若不小于等于则跳转；若大于则跳转 | jump if not less equal;jump if greater | SF=OF 且 ZF=0 | if(si>sj) |