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compiler flags for x86-64?


Hi gcc guys!

I'm doing a review of an Opteron system running Linux and I would like to know what optimizations are in GCC 3.2, and what compiler flags I should use for the X86-64 architecture when building code.

If anyone can point me to some FAQ's or some knowledgeable people working with this aspect of GCC, that would be great.

Best Regards


Jason Perlow perlow at hotmail dot com, perlow at linux-mag dot com (201)541-5454 (201)541-5664 fax 350 Knickerbocker Road, Tenafly NJ 07670

Sr. Technology Editor, Linux Magazine
http://www.linux-mag.com




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