ADSP-BF53x/BF56x Blackfin Processor Programming Reference
15-65
Arithmetic Operations
Flags Affected
This instruction affects flags as follows.
•
V
is set if the result extracted to the
Dreg
saturates; cleared if no
saturation.
•
VS
is set if
V
is set; unaffected otherwise.
•
AV0
is set if result in Accumulator
A0
(MAC0 operation) saturates;
cleared if
A0
result does not saturate.
•
AV0S
is set if
AV0
is set; unaffected otherwise.
•
AV1
is set if result in Accumulator
A1
(MAC1 operation) saturates;
cleared if
A1
result does not saturate.
•
AV1S
is set if
AV1
is set; unaffected otherwise.
• All other flags are unaffected.
L
The ADSP-BF535 processor has fewer
ASTAT
flags and some flags
operate differently than subsequent Blackfin family products. For
more information on the ADSP-BF535 status flags, see
Table A-1
on page A-3
.
Required Mode
User & Supervisor
Parallel Issue
This instruction can be issued in parallel with specific other 16-bit
instructions. For details, see
“Issuing Parallel Instructions” on page 20-1
.
Содержание ADSP-BF53x Blackfin
Страница 38: ...Conventions xxxviii ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 134: ...System Reset and Powerup 3 18 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 324: ...Instruction Overview 7 20 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 486: ...Instruction Overview 13 28 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 512: ...Instruction Overview 14 26 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 604: ...Instruction Overview 15 92 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 688: ...Instruction Overview 18 48 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 742: ...Instruction Overview 19 54 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 752: ...Examples 20 10 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 780: ...Product Identification Register 21 28 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 790: ...ADSP BF535 Flags A 10 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 800: ...Performance Monitor Registers B 10 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 994: ...Instructions Listed By Operation Code C 194 ADSP BF53x BF56x Blackfin Processor Programming Reference...
Страница 1042: ...Index I 40 ADSP BF53x BF56x Blackfin Processor Programming Reference...