Date: Thu, 3 Sep 2009 10:28:09 -0400 From: Daniel Molina Wegener <dmw@coder.cl> To: Scott Bennett <bennett@cs.niu.edu> Cc: freebsd-questions@freebsd.org Subject: Re: cc -march questions Message-ID: <d25485c40909030728i45d44b2bw294d193374905ef0@mail.gmail.com> In-Reply-To: <200909031300.n83D0aJj013596@mp.cs.niu.edu> References: <200909031300.n83D0aJj013596@mp.cs.niu.edu>
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2009/9/3 Scott Bennett <bennett@cs.niu.edu> > What exactly does "cc -march=prescott" enable cc to do? Does it > include > instruction scheduling for the pipeline structure of the Prescott CPUs? > Does > it include other options, e.g., "-mmmx -msse -msse2 -msse3"? > Thanks in advance for any information on the above! > According to the GCC manual page, it enables MMX, SSE, SSE2 and SSE3 instruction set support. Try: $ man 1 gcc /prescott Best Regards, DMW > > > Scott Bennett, Comm. ASMELG, CFIAG > ********************************************************************** > * Internet: bennett at cs.niu.edu * > *--------------------------------------------------------------------* > * "A well regulated and disciplined militia, is at all times a good * > * objection to the introduction of that bane of all free governments * > * -- a standing army." * > * -- Gov. John Hancock, New York Journal, 28 January 1790 * > ********************************************************************** > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" >
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