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Date:      Fri, 19 Mar 2010 17:13:00 +0100
From:      Ivan Voras <ivoras@freebsd.org>
To:        Garrett Cooper <yanefbsd@gmail.com>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Xin LI <delphij@freebsd.org>
Subject:   Re: I486_CPU and I586_CPU removed from GENERIC kernel [was Re: svn  commit: r205307 - head/sys/i386/conf]
Message-ID:  <9bbcef731003190913k4f3afbd8mb4e767c40433be8e@mail.gmail.com>
In-Reply-To: <7d6fde3d1003182333m336d52fbh987035a21568250d@mail.gmail.com>
References:  <7d6fde3d1003182333m336d52fbh987035a21568250d@mail.gmail.com>

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On 19 March 2010 07:33, Garrett Cooper <yanefbsd@gmail.com> wrote:
> On Thu, Mar 18, 2010 at 6:16 PM, Xin LI <delphij@freebsd.org> wrote:
>> Author: delphij
>> Date: Fri Mar 19 01:16:53 2010
>> New Revision: 205307
>> URL: http://svn.freebsd.org/changeset/base/205307
>>
>> Log:
>> =C2=A0SSE is enabled by default about 5 years ago so there is no point p=
retending
>> =C2=A0that we support I486 and I586 CPUs in the GENERIC kernel, users wa=
nts these
>> =C2=A0support would have to build a custom kernel to explicitly disable =
SSE
>> =C2=A0anyways.

SSE in the userland you mean? Regardless, I don't think there is now
reason for compiling everything as for i386. E.g. why not add at least
-mtune=3Dgeneric or even also -march=3Di686 to default gcc options?

http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html



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