Analog Devices ADSP-BF53x Blackfin Reference page 640

Instruction Overview
Flags Affected
None
Required Mode
User & Supervisor
Parallel Issue
This instruction cannot be issued in parallel with other instructions.
Example
iflush [ p2 ] ;
iflush [ p0 ++ ] ;
Also See
None
Special Applications
None
17-10 ADSP-BF53x/BF56x Blackfin Processor Programming Reference