Answer:
The #pragma preprocessor directive allows each compiler to implement compiler-specific features that can be turned on and off with the #pragma statement. For instance, your compiler might support a feature called loop optimization. This feature can be invoked as a command-line option or as a #pragma directive.
To implement this option using the #pragma directive, you would put the following line into your code:
#pragma loop_opt(on)
Conversely, you can turn off loop optimization by inserting the following line into your code:
#pragma loop_opt(off)
To implement this option using the #pragma directive, you would put the following line into your code:
#pragma loop_opt(on)
Conversely, you can turn off loop optimization by inserting the following line into your code:
#pragma loop_opt(off)
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