Nios® II Processor Reference Guide

ID 683836
Date 10/22/2020
Public
Document Table of Contents

8.5.48. flushp

Instruction flush pipeline
Operation

Flushes the processor pipeline of any prefetched instructions.

Assembler Syntax

flushp

Example

flushp

Description

Ensures that any instructions prefetched after the flushp instruction are removed from the pipeline.

Usage

Use flushp before transferring control to newly updated instruction memory.

Exceptions

None

Instruction Type

R

Instruction Fields

None

Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
A 0 0 0x04
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x04 0 0x3a

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