Nios II Classic Processor Reference Guide

ID 683620
Date 10/28/2016
Public
Document Table of Contents

8.5.23. cmpge

Instruction compare greater than or equal signed
Operation

if ((signed) rA >= (signed) rB)

then rC ←  1

else rC ←  0

Assembler Syntax

cmpge rC, rA, rB

Example

cmpge r6, r7, r8

Description

If rA >= rB, then stores 1 to rC; otherwise stores 0 to rC.

Usage

cmpge performs the signed >= operation of the C programming language.

Exceptions

None

Instruction Type

R

Instruction Fields

A = Register index of operand rA

B = Register index of operand rB

C = Register index of operand rC

Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
A B C 0x08
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x08 0 0x3a