LOOP

COND_BR I86 x86_64

LOOP is an instruction of the x86_64 architecture (x86 / x86-64 (covers 16/32/64-bit modes)), category COND_BR. This page lists its 2 encoding forms, distinguished by opcode bytes: 67, E2.

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_LOOP_X86_LEGACY_ONEBYTE_67_655597
rel8
X86_LEGACY 67
XED_LOOP_X86_LEGACY_ONEBYTE_E2_569338
RELBR:r:b:i8 REG0=ArCX():rw:SUPP REG1=rIP():rw:SUPP
X86_LEGACY E2 I86