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Subject: Re: [boost] Default x86 instruction set
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2013-05-07 13:49:08

On Tue, May 7, 2013 at 9:16 PM, Mathias Gaunard <
mathias.gaunard_at_[hidden]> wrote:

> On 07/05/13 18:17, Jonathan Wakely wrote:
> Are you sure about that?
>> If the compiler is configured for e.g. i686-pc-linux-gnu then it
>> defaults to -march=i686, and I believe several GNU/Linux distros
>> target i586 or even i686 by default these days.
> AFAIK the latest Debian and its derivatives are still built for i386.

No, their "i386" doesn't actually mean 80386:

However, Debian GNU/Linux wheezy will *not* run on 386 or earlier
processors. Despite the architecture name "i386", support for actual 80386
processors (and their clones) was dropped with the Sarge (r3.1) release of
(No version of Linux has ever supported the 286 or earlier chips in the
series.) All i486 and later processors are still supported.

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