IPR-NIOS Altera, IPR-NIOS Datasheet - Page 275
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IPR-NIOS
Manufacturer Part Number
IPR-NIOS
Description
IP NIOS II MEGACORE RENEW
Manufacturer
Altera
Type
MegaCorer
Datasheet
1.IP-NIOS.pdf
(294 pages)
Specifications of IPR-NIOS
License
Renewal License
Lead Free Status / RoHS Status
Not applicable / Not applicable
- Current page: 275 of 294
- Download datasheet (3Mb)
Chapter 8: Instruction Set Reference
Instruction Set Reference
sra
December 2010 Altera Corporation
Operation:
Assembler Syntax:
Example:
Description:
Usage:
Exceptions:
Instruction Type:
Instruction Fields:
31
30
29
A
28
27
26
25
24
B
rC ← (signed) rA >> ((unsigned) rB
sra rC, rA, rB
sra r6, r7, r8
Shifts rA right by the number of bits specified in rB
the result in rC. Bits 31–5 are ignored.
sra performs the signed >> operation of the C programming language.
None
R
A = Register index of operand rA
B = Register index of operand rB
C = Register index of operand rC
23
22
21
20
19
C
18
17
16
15
4..0
14
0x3b
)
13
12
11
4..0
(duplicating the sign bit), and then stores
10
9
0
8
Nios II Processor Reference Handbook
shift right arithmetic
7
6
5
4
0x3a
3
2
1
8–89
0
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