The STM32 Cortex-M4 instruction set PM0214
188/262 PM0214 Rev 9
3.11.8 NOP
No Operation.
Syntax
NOP{cond}
Where:
• ‘cond’ is an optional condition code, see Conditional execution on page 65.
Operation
NOP does nothing. NOP is not necessarily a time-consuming NOP. The processor might
remove it from the pipeline before it reaches the execution stage.
Use NOP for padding, for example to place the following instruction on a 64-bit boundary.
Condition flags
This instruction does not change the flags.
Examples
NOP ; No operation
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