IP-NIOS Altera, IP-NIOS Datasheet - Page 215

• Manufacturer Part Number: IP-NIOS
• Description: IP NIOS II MEGACORE
• Manufacturer: Altera
• Type: Licenser

Specifications of IP-NIOS

• Processor Type: RISC 32-Bit
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Features: -
• Package / Case: -
• Mounting Type: -
• Voltage: -
• Speed: -

Chapter 8: Instruction Set Reference
Instruction Set Reference
cmpge
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 ((signed) rA >= (signed) rB)
then rC ← 1
else rC ← 0
cmpge rC, rA, rB
cmpge r6, r7, r8
If rA >= rB, then stores 1 to rC; otherwise stores 0 to rC.
cmpge performs the signed >= operation of the C programming language.
None
I
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
0x08
compare greater than or equal signed
13
12
11
10
9
0
8
Nios II Processor Reference Handbook
7
6
5
4
0x3a
3
2
1
8–29
0