Analog Devices ADSP-BF53x Blackfin Reference page 402

Instruction Overview
r3.1 = a0, r3.h = a1 ;
lower and upper halves of the same Dreg. */
r1.h = a1, rl.l = a0 ;
upper and lower halves of the same Dreg.
r0.h = a1 (is) ;
r5.l = a0 (t) ;
ration. */
r1.l = a0 (s2rnd) ;
ing & saturation. */
r2.h = a1 (iss2) ;
uration. */
r6.l = a0 (ih) ;
rounding. */
Also See
Move Half to Full Word –
Sign-Extended
Special Applications
None
9-22 ADSP-BF53x/BF56x Blackfin Processor Programming Reference
/* copy both half words; must go to the
/* copy both half words; must go to the
/* copy A1.L into R0.H with saturation. */
/* copy A0.H into R5.L; truncate A0.L; no satu-
/* copy A0.H into R1.L with scaling, round-
/* copy A1.L into R2.H with scaling and sat-
/* copy A0.H into R6.L with saturation, then
Zero-Extended, Move Half to Full Word –