From: Kurt Wall <kwall@kurtwerks.com>
To: Michal Semler <cijoml@volny.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: passing my own compiler options into linux kernel compiling
Date: Thu, 24 Jul 2003 19:27:37 -0400 [thread overview]
Message-ID: <20030724232737.GC28205@kurtwerks.com> (raw)
In-Reply-To: <200307240916.17530.cijoml@volny.cz>
Quoth Michal Semler:
> Hello,
>
> I use gcc-3.3 and I would like compile my kernel with flags:
>
> -O4 -march=pentium3 -mcpu=pentium3
Although it might be handled differently elsewhere, this snippet
from gcc/toplev.c suggests -O4 buys you nothing you don't get from
-O3:
if (optimize >= 3)
{
flag_inline_functions = 1;
flag_rename_registers = 1;
}
Kurt
--
Substitute "damn" every time you're inclined to write "very"; your
editor will delete it and the writing will be just as it should be.
-- Mark Twain
prev parent reply other threads:[~2003-07-24 23:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-24 7:16 passing my own compiler options into linux kernel compiling Michal Semler
2003-07-24 7:59 ` Hacksaw
2003-07-24 8:01 ` Martin Zwickel
2003-07-24 8:50 ` Michal Semler
2003-07-24 8:55 ` Christoph Hellwig
2003-07-24 9:31 ` J.A. Magallon
2003-07-24 9:41 ` J.A. Magallon
2003-07-24 12:35 ` James H. Cloos Jr.
2003-07-24 20:58 ` Sam Ravnborg
2003-07-24 21:41 ` Ed Sweetman
2003-07-24 23:27 ` Kurt Wall [this message]
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