IPR-NIOS Altera, IPR-NIOS Datasheet - Page 232
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: 232 of 294
- Download datasheet (3Mb)
8–46
cmpnei
Nios II Processor Reference Handbook
Operation:
Assembler Syntax:
Example:
Description:
Usage:
Exceptions:
Instruction Type:
Instruction Fields:
31
30
29
A
28
27
26
25
24
B
if (rA != σ (IMM16))
then rB ← 1
else rB ← 0
cmpnei rB, rA, IMM16
cmpnei r6, r7, 100
Sign-extends the 16-bit immediate value IMM16 to 32 bits and compares it to the value of rA. If
rA != σ (IMM16), then cmpnei stores 1 to rB; otherwise stores 0 to rB.
cmpnei performs the != operation of the C programming language.
None
I
A = Register index of operand rA
B = Register index of operand rB
IMM16 = 16-bit signed immediate value
23
22
21
20
19
18
17
16
15
IMM16
14
13
12
11
compare not equal immediate
10
9
8
Chapter 8: Instruction Set Reference
December 2010 Altera Corporation
7
6
5
Instruction Set Reference
4
0x18
3
2
1
0
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