ARM Instruction Reference
4-84 Copyright © 2000, 2001 ARM Limited. A ll rights reserved. ARM DUI 0068B
4.9.4 NOP ARM pseudo-instruction
NOP
generates the preferred ARM no-operation code.
The following instruction might be used, but this is not guaranteed:
MOV r0, r0
Syntax
NOP
Usage
NOP
cannot be used conditionally. Not executing a no-operation is the same as executing
it, so conditional execution is not required.
ALU status flags are u naltered by
NOP
.