Keil Logo Arm Logo

Assembler Reference

RN

RN

The RN directive defines a register name for a specified register.

Show/hideSyntax

name RN expr

where:

name

is the name to be assigned to the register. name cannot be the same as any of the predefined names.

expr

evaluates to a register number from 0 to 15.

Show/hideUsage

Use RN to allocate convenient names to registers, to help you to remember what you use each register for. Be careful to avoid conflicting uses of the same register under different names.

Show/hideExamples

regname     RN  11  ; defines regname for register 11
sqr4        RN  r6  ; defines sqr4 for register 6
Copyright © 2011-2012 ARM. All rights reserved.ARM DUI 0588B
Non-ConfidentialID062912

Keil logo

Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.