Nios II Classic Processor Reference Guide

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

8.5.53. jmpi

Instruction jump immediate
Operation

PC ←  (PC31..28 : IMM26 x 4)

Assembler Syntax

jmpi label

Example

jmpi write_char

Description

Transfers execution to the instruction at address (PC31..28 : IMM26 x 4).

Usage

jmpi is a low-overhead local jump. jmpi can transfer execution anywhere within the 256-MB range determined by PC31..28. The Nios II GNU linker does not automatically handle cases in which the address is out of this range.

Exceptions

None

Instruction Type

J

Instruction Fields

IMM26 = 26-bit unsigned immediate value

Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IMM26
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IMM26 0x01