Analog Devices ADSP-BF53x Blackfin Reference page 846

Shift / Rotate Operations Instructions
Shift / Rotate Operations Instructions
Table C-16. Shift / Rotate Operations Instructions (Sheet 1 of 9)
Instruction
and Version
Add with Shift
Preg = (Preg + Preg) << 1
Add with Shift
Preg = (Preg + Preg) << 2
Add with Shift
Dreg = (Dreg + Dreg) << 1
Add with Shift
Dreg = (Dreg + Dreg) << 2
Shift with Add
Preg = Preg + (Preg <<1)
Shift with Add
Preg = Preg + (Preg <<2)
Arithmetic Shift
Dreg >>>= uimm5
Arithmetic Shift
Dreg_lo = Dreg_lo >>> uimm4
Arithmetic Shift
Dreg_lo = Dreg_hi >>> uimm4
C-46 ADSP-BF53x/BF56x Blackfin Processor Programming Reference
Opcode Range 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x4580— 0 1 0 0 0 1 0 1 1 0 Source
0x45BF
0x45C0— 0 1 0 0 0 1 0 1 1 1 Source
0x45FF
0x4100— 0 1 0 0 0 0 0 1 0 0 Source
0x413F
0x4140— 0 1 0 0 0 0 0 1 0 1 Source
0x417F
0x5C00— 0 1 0 1 1 1 0 Dest.
0x5DFF
0x5E00— 0 1 0 1 1 1 1 Dest.
0x5FFF
0x4D00— 0 1 0 0 1 1 0 uimm5
0x4DFF
0xC680 0180— 1 1 0 0 0 1 1 0 1 x x 0 0 0 0 0
0xC680 0FFF
0 0 0 0 Dest.
0xC680 1180— 1 1 0 0 0 1 1 0 1 x x 0 0 0 0 0
0xC680 1FFF
0 0 0 1 Dest.
Bin
Preg #
Preg #
Dreg #
Dreg #
Src 1
Preg # Preg #
Src 1
Preg # Preg #
2's comp. of
Dreg # uimm4
2's comp. of
Dreg # uimm4
Dest.
Preg #
Dest.
Preg #
Dest.
Dreg #
Dest.
Dreg #
Src 0
Preg #
Src 0
Preg #
Dest.
Dreg #
Source
Dreg #
Source
Dreg #