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Vol. 2A 3-503
INSTRUCTION SET REFERENCE, A-M
Jcc—Jump if Condition Is Met
0F 8C cw JL rel16 N.S. Valid Jump near if less (SF≠ OF). Not supported
in 64-bit mode.
0F 8C cd JL rel32 Valid Valid Jump near if less (SF
≠ OF).
0F 8E cw JLE rel16 N.S. Valid Jump near if less or equal (ZF=1 or SF
≠
OF). Not supported in 64-bit mode.
0F 8E cd JLE rel32 Valid Valid Jump near if less or equal (ZF=1 or SF
≠
OF).
0F 86 cw JNA rel16 N.S. Valid Jump near if not above (CF=1 or ZF=1).
Not supported in 64-bit mode.
0F 86 cd JNA rel32 Valid Valid Jump near if not above (CF=1 or ZF=1).
0F 82 cw JNAE rel16 N.S. Valid Jump near if not above or equal (CF=1).
Not supported in 64-bit mode.
0F 82 cd JNAE rel32 Valid Valid Jump near if not above or equal (CF=1).
0F 83 cw JNB rel16 N.S. Valid Jump near if not below (CF=0). Not
supported in 64-bit mode.
0F 83 cd JNB rel32 Valid Valid Jump near if not below (CF=0).
0F 87 cw JNBE rel16 N.S. Valid Jump near if not below or equal (CF=0
and ZF=0). Not supported in 64-bit
mode.
0F 87 cd JNBE rel32 Valid Valid Jump near if not below or equal (CF=0
and ZF=0).
0F 83 cw JNC rel16 N.S. Valid Jump near if not carry (CF=0). Not
supported in 64-bit mode.
0F 83 cd JNC rel32 Valid Valid Jump near if not carry (CF=0).
0F 85 cw JNE rel16 N.S. Valid Jump near if not equal (ZF=0). Not
supported in 64-bit mode.
0F 85 cd JNE rel32 Valid Valid Jump near if not equal (ZF=0).
0F 8E cw JNG rel16 N.S. Valid Jump near if not greater (ZF=1 or SF
≠
OF). Not supported in 64-bit mode.
0F 8E cd JNG rel32 Valid Valid Jump near if not greater (ZF=1 or SF
≠
OF).
0F 8C cw JNGE rel16 N.S. Valid Jump near if not greater or equal (SF
≠
OF). Not supported in 64-bit mode.
Opcode Instruction 64-Bit
Mode
Compat/
Leg Mode
Description