RealView Compilation Tools Compiler Reference Guide - ARM ...

Compiler-specific Features
... body of the header file ...
#endif
The #pragma once is marked as optional in this example. This is because the compiler
recognizes the #ifndef header guard coding and skips subsequent includes even if
#pragma once is absent.
4.6.16 #pragma Ospace
This pragma instructs the compiler to perform optimizations to reduce image size at the
expense of a possible increase in execution time.
See also
• #pragma Otime
• -Ospace on page 2-68
4.6.17 #pragma Otime
This pragma instructs the compiler to perform optimizations to reduce execution time
at the expense of a possible increase in image size.
See also
• #pragma Ospace
• -Otime on page 2-69.
4.6.18 #pragma pop
This pragma restores the previously saved pragma state.
See also
• #pragma push.
4.6.19 #pragma push
This pragma saves the current pragma state.
See also
• #pragma pop.
4-58 Copyright © 2007, 2010 ARM Limited. All rights reserved. ARM DUI 0348A
Non-Confidential