5 cn – ARM VERSION 1.2 User Manual
Page 291
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Directives Reference
ARM DUI 0068B
Copyright © 2000, 2001 ARM Limited. All rights reserved.
7-9
7.2.5
CN
The
CN
directive defines a name for a coprocessor register.
Syntax
name CN expr
where:
name
is the name to be defined for the coprocessor register.
name
cannot be the
same as any of the predefined names listed in Predefined register and
coprocessor names on page 3-9.
expr
evaluates to a coprocessor register number from 0 to 15.
Usage
Use
CN
to allocate convenient names to registers, to help you remember what you use
each register for.
Note
Avoid conflicting uses of the same register under different names.
The names c0 to c15 are predefined.
Example
power CN 6 ; defines power as a symbol for
; coprocessor register 6
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