Messages in this thread | | | From | Gene Heskett <> | Subject | Re: Stupid question | Date | Tue, 23 Nov 2004 07:48:55 -0500 |
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On Tuesday 23 November 2004 07:19, P@draigBrady.com wrote: >Nix wrote: >> On 23 Nov 2004, Gene Heskett yowled: >>>On Monday 22 November 2004 09:32, P@draigBrady.com wrote: >>>>Gene Heskett wrote: >>>>>Greetings; >>>>> >>>>>Silly Q of the day probably, but what do I set in a Makefile for >>>>>the -march=option for building on a 233 mhz Pentium 2? >>>> >>>>http://www.pixelbeat.org/scripts/gcccpuopt >>> >>>Thanks very much. Obviously someone else needed to scratch this >>> itch too. This should produce the correct results when running >>> on the target machine. Here, it produces this: >>>[root@coyote CIO-DIO96]# sh ../gcccpuopt >>> -march=athlon-xp -mfpmath=sse -msse -mmmx -m3dnow >> >> ... which is peculiar, as -mmmx -msse is redundant, as is -mmmx >> -m3dnow, and all three of those flags are the end are implied by >> -march=athlon-xp anyway. >> >> (-mfpmath=sse *is* useful on non-64-bit platforms, though.) > >I added those in so that they were explicit. >They do no harm. I had a version that didn't print >these redundant options but got many requests >about whether they were needed. You can't win. > >Pádraig.
I've heard that expression before :-)
-- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) 99.29% setiathome rank, not too shabby for a WV hillbilly Yahoo.com attorneys please note, additions to this message by Gene Heskett are: Copyright 2004 by Maurice Eugene Heskett, all rights reserved. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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