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Instruction Overview
Flags Affected
None
Required Mode
User & Supervisor
Parallel Issue
This instruction cannot be issued in parallel with other instructions.
Example
link 8 ;
/* establish frame with 8 words allocated for local
variables */
[ -- sp ] = (r7:0, p5:0) ;
(r7:0, p5:0) = [ sp ++ ] ;
unlink ;
/* close the frame* /
Also See
--SP (Push Multiple) SP++ (Pop Multiple)
Special Applications
The Linkage instruction is used to set up and tear down stack frames for a
high-level language like C.
10-20
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
/* save D- and P-registers */
/* restore D- and P-registers */
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