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11100B–ATARM–31-Jul-12
SAM4S Series [Preliminary]
11.6.11.8
NOP
No Operation.
Syntax
NOP{cond}
where:
cond
is an optional condition code, see
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
11.6.11.9
SEV
Send Event.
Syntax
SEV{cond}
where:
cond
is an optional condition code, see
Operation
SEV is a hint instruction that causes an event to be signaled to all processors within a multipro-
cessor system. It also sets the local event register to 1, see
Condition Flags
This instruction does not change the flags.
Examples
SEV ; Send Event
Summary of Contents for SAM4S Series
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