IPR-NIOS Altera, IPR-NIOS Datasheet - Page 229

• 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

Chapter 8: Instruction Set Reference
Instruction Set Reference
cmpltu
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
if ((unsigned) rA < (unsigned) rB)
then rC ← 1
else rC ← 0
cmpltu rC, rA, rB
cmpltu r6, r7, r8
If rA < rB, then stores 1 to rC; otherwise stores 0 to rC.
cmpltu performs the unsigned < 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
14
0x30
13
12
11
10
compare less than unsigned
9
0
8
Nios II Processor Reference Handbook
7
6
5
4
0x3a
3
2
1
8–43
0