Date: Fri, 23 Feb 2001 01:05:15 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: arch@FreeBSD.ORG Subject: Re: cvs commit: src/share/mk sys.mk Message-ID: <20010223010514.A41551@mollari.cthul.hu> In-Reply-To: <200102222153.f1MLrsf01077@Magelan.Leidinger.net>; from Alexander@Leidinger.net on Thu, Feb 22, 2001 at 10:53:52PM %2B0100 References: <20010222125552.B6517@mollari.cthul.hu> <200102222153.f1MLrsf01077@Magelan.Leidinger.net>
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[-- Attachment #1 --] On Thu, Feb 22, 2001 at 10:53:52PM +0100, Alexander Leidinger wrote: > > Hmm, that's not what's documented in the gcc info docs. > > The docs are wrong. > > > `-march=CPU TYPE' > > Generate instructions for the machine type CPU TYPE. The choices > > for CPU TYPE are the same as for `-mcpu'. Moreover, specifying > > `-march=CPU TYPE' implies `-mcpu=CPU TYPE'. > > That's not true, test it on your own (see my previous mail with my test > program) if you think the doc is right (or have a look at "man gcc" on a > system with gcc 2.95.3 (e.g. a recent -current)). Okay, I've built several binaries and libraries with -march=pentiumpro and -march=pentiumpro -mcpu=pentiumpro, and verified with diff -b that the output in both cases is indeed identical. It looks like the docs are correct. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE6lifKWry0BWjoQKURAswbAJ9BOfjRi8dBXlKab72TfMeyAgLveACeLBFQ 4nUhjz/h4iridCAO7RBB8go= =Xd2V -----END PGP SIGNATURE-----
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