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dcfnef 01-16-2007 04:35 PM
gcc compiler optimization question
 
I have a question about optimization. What exactly does the gcc -O99 flag do? I cannot seem to find any documention covering it.

Thanks,
dc

colucix 01-16-2007 04:52 PM
The same as gcc -O3. You can specify (almost) any number greater than 3 and it will be treated as -O3.

dcfnef 01-17-2007 07:58 AM
ok thanks. I couldn't find any documentation for anything grater than -O3 either. Not sure why we were using -O99. Must be a legacy thing.

Thanks,
dc


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