From: Mike Kazantsev <mike_kazantsev@fraggod.net>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] gcc and -match=native
Date: Tue, 21 Apr 2009 09:01:09 +0600 [thread overview]
Message-ID: <20090421090109.24d166ca@coercion> (raw)
In-Reply-To: <955d685d0904201929p1dd87d90jac51ce045b8375a9@mail.gmail.com>
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On Tue, 21 Apr 2009 12:29:44 +1000
Beau Henderson <beau@thehenderson.com> wrote:
> So is GCC ignoring the fact that the systems CHOST is i686 or is this
> truly optimized for my situation ?
No, it shouldn't ignore CHOST to produce the correct binaries.
And yes, I believe (according to man gcc) that native/core2 or any
profile with all the optimizations your cpu has should produce most
code with most optimizations, but in case of ssse3 on i686 it's a minor
gain, if any.
--
Mike Kazantsev // fraggod.net
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prev parent reply other threads:[~2009-04-21 3:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-21 0:20 [gentoo-user] gcc and -match=native Beau Henderson
2009-04-21 2:08 ` Mike Kazantsev
2009-04-21 2:29 ` Beau Henderson
2009-04-21 3:01 ` Mike Kazantsev [this message]
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