Date: Mon, 26 Feb 2001 20:15:00 +0100 (CET) From: Alexander Leidinger <Alexander@Leidinger.net> To: obrien@FreeBSD.ORG Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/share/mk sys.mk Message-ID: <200102261915.f1QJF2U18568@Magelan.Leidinger.net> In-Reply-To: <20010223032203.A1785@dragon.nuxi.com>
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On 23 Feb, David O'Brien wrote: >> [Quoting the docs] >> >> Reading "man gcc" on my -current (gcc 2.95.3) I interpret this as: >> - -mcpu does the _instruction scheduling_ for the specified CPU >> - -march _uses instructions_ of the specified CPU > > See the manual at http://gcc.gnu.org, and look at the Alpha specific > options. My read of it makes me want to check this carefully before an > MFC. Ok, If this isn't a bug in the manual this inconsistent behavior is very bad (the x86 part is the same as in 2.95.3). As long as the Alpha build box isn't updated to an ev56, pca56 or ev6 system everything should be fine on an ev4, but yes, -march shouldn't be used carefully for official Alpha builds. Perhaps some additional logic in the release build (if the described behavior is the way gcc 3.0 will behave). Bye, Alexander. -- The dark ages were caused by the Y1K problem. http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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