JNB

COND_BR I86 x86_64

JNB is an instruction of the x86_64 architecture (x86 / x86-64 (covers 16/32/64-bit modes)), category COND_BR. This page lists its 5 encoding forms, distinguished by opcode bytes: 73, 83.

Each form below links to its full decode: the operand roles and where each one is encoded in the instruction, the flag and register effects, and any micro-op sequence authored for it.

X86_JNB_X86_LEGACY_0F_83_280120
rel16
X86_LEGACY 83
X86_JNB_X86_LEGACY_ONEBYTE_73_655597
rel8
X86_LEGACY 73
XED_JNB_X86_LEGACY_0F_83_631754
RELBR:r:z REG0=XED_REG_EIP:rw:SUPP
X86_LEGACY 83 I86
XED_JNB_X86_LEGACY_0F_83_639852
RELBR:r:d REG0=XED_REG_RIP:rw:SUPP
X86_LEGACY 83 I86
XED_JNB_X86_LEGACY_ONEBYTE_73_794997
RELBR:r:b:i8 REG0=XED_REG_RIP:rw:SUPP RELBR:r:b:i8 REG0=XED_REG_EIP:rw:SUPP
X86_LEGACY 73 73 I86