NXP Semiconductors LPC1768 - Nop; Syntax; Operation; Condition Flags

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User manual Rev. 3 — 20 December 2013 723 of 841
NXP Semiconductors
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Chapter 34: Appendix: Cortex-M3 user guide
34.2.10.8 NOP
No Operation.
34.2.10.8.1 Syntax
NOP{cond}
where:
cond is an optional condition code, see Section 34.2.3.7 “
Conditional execution”.
34.2.10.8.2 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.
34.2.10.8.3 Condition flags
This instruction does not change the flags.
34.2.10.8.4 Examples
NOP ; No operation