Date: Wed, 3 Jun 1998 19:03:51 +0000 (GMT) From: Donn Miller <dmm125@bellatlantic.net> To: James Raynard <james@jraynard.demon.co.uk> Cc: hackers@FreeBSD.ORG Subject: Re: Recompiling sources with "-O2 -m486 -pipe" Message-ID: <Pine.NEB.3.96.980603185514.182A-100000@myname.my.domain> In-Reply-To: <slrn6n8rkt.ha.james@jraynard.demon.co.uk>
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On Tue, 2 Jun 1998, James Raynard wrote: > > I compile everything with -O2 -pipe all the time :-) (-m486 is > counter-productive on a Pentium or above). There was a problem > at one time with -O2 generating bad kernels, but that was fixed a good > couple of years ago. > About the -m486 option -- I use -m486 -O3 -pipe all the time; does it slow down the execution somewhat? I noticed the Mozilla sources defined -mno-486. Do you know if compiling with -mno-486 gives better results than -m486 as far as speed, etc.? I figured that -m486 generated 486 instructions, which would make a pentium run faster. --Donn To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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