Analog Devices ADSP-BF53x Blackfin Reference page 737

Flags Affected
None
The ADSP-BF535 processor has fewer
operate differently than subsequent Blackfin family products. For
more information on the ADSP-BF535 status flags, see
on page
Required Mode
User & Supervisor
Parallel Issue
This instruction can be issued in parallel with specific other 16-bit
instructions. For details, see
Example
r3=pack(r4.l, r5.l) ;
r1=pack(r6.l, r4.h) ;
r0=pack(r2.h, r4.l) ;
r5=pack(r7.h, r2.h) ;
Also See
BYTEPACK (Quad 8-Bit Pack)
Special Applications
/* If r4.l = 0xDEAD and r5.l = 0xBEEF, then . . . */
r3 = pack (r4.l, r5.l) ;
/* . . . produces r3 = 0xDEAD BEEF */
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
A-3.
"Issuing Parallel Instructions" on page
/* pack low / low half-words */
/* pack low / high half-words */
/* pack high / low half-words */
/* pack high / high half-words */
Vector Operations
flags and some flags
ASTAT
Table A-1
20-1.
19-49