IPR-NIOS Altera, IPR-NIOS Datasheet - Page 230

• Manufacturer Part Number: IPR-NIOS
• Description: IP NIOS II MEGACORE RENEW
• Manufacturer: Altera
• Type: MegaCorer

Specifications of IPR-NIOS

• License: Renewal License
• Lead Free Status / RoHS Status: Not applicable / Not applicable

8–44
cmpltui
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 ((unsigned) rA < (unsigned) (0x0000 : IMM16))
then rB ← 1
else rB ← 0
cmpltui rB, rA, IMM16
cmpltui r6, r7, 100
Zero-extends the 16-bit immediate value IMM16 to 32 bits and compares it to the value of rA. If
rA < (0x0000 : IMM16), then cmpltui stores 1 to rB; otherwise stores 0 to rB.
cmpltui performs the unsigned < operation of the C programming language.
None
I
A = Register index of operand rA
B = Register index of operand rB
IMM16 = 16-bit unsigned immediate value
23
22
21
20
19
18
17
16
15
IMM16
14
compare less than unsigned immediate
13
12
11
10
9
8
Chapter 8: Instruction Set Reference
December 2010 Altera Corporation
7
6
5
Instruction Set Reference
4
0x30
3
2
1
0