From: Paul Koning <pkoning@equallogic.com>
To: torvalds@transmeta.com
Cc: gcc@gcc.gnu.org
Subject: Re: Optimizations on long long multiply/divide on PowerPC32 don't work
Date: Mon, 10 Dec 2001 09:09:00 -0000 [thread overview]
Message-ID: <15380.59851.879850.25963@pkoning.dev.equallogic.com> (raw)
In-Reply-To: <200112100658.fBA6wEh13767@penguin.transmeta.com>
>>>>> "Linus" == Linus Torvalds <torvalds@transmeta.com> writes:
Linus> In article <20011207164904.C16375@redhat.com> you write:
>> On Fri, Dec 07, 2001 at 06:09:55PM -0600, Corey Minyard wrote:
>>> 1) Add __divdi3 to the linux kernel. I don't really think this
>>> is a good idea, and it shouldn't be required.
>> Yes it should. I've long considered it a bug that Linux didn't
>> link against libgcc.
Linus> ...Not linking against libgcc has found several problems in gcc.
Linus> Ranging from missing totally obvious optimizations...
Does that mean that Linux isn't expected to build if you disable
optimization? That seems strange, considering that debugging with gdb
is often easier with -O0.
paul
next prev parent reply other threads:[~2001-12-10 17:00 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-07 16:08 Corey Minyard
2001-12-07 17:08 ` Richard Henderson
2001-12-07 17:40 ` Corey Minyard
2001-12-09 23:29 ` Linus Torvalds
2001-12-10 1:15 ` Richard Henderson
2001-12-10 1:24 ` Richard Henderson
2001-12-10 2:40 ` Franz Sirl
2001-12-10 9:21 ` Linus Torvalds
2001-12-10 10:59 ` Franz Sirl
2001-12-10 11:11 ` Linus Torvalds
2001-12-10 11:31 ` Gabriel Paubert
2001-12-10 17:58 ` Richard Henderson
2002-01-22 8:51 ` Franz Sirl
2002-01-22 12:04 ` Richard Henderson
2002-01-23 7:24 ` Gerald Pfeifer
2002-02-03 10:44 ` Franz Sirl
2001-12-10 9:15 ` Linus Torvalds
2001-12-10 13:03 ` Richard Henderson
2001-12-10 13:59 ` Linus Torvalds
2001-12-10 9:09 ` Paul Koning [this message]
2001-12-10 10:23 ` Linus Torvalds
2001-12-10 11:35 ` Optimizations on long long multiply/divide on PowerPC32 don't Joe Buck
2001-12-10 13:49 ` guerby
2001-12-10 14:08 ` Arnaud Charlet
2001-12-10 14:31 ` guerby
2001-12-10 9:09 ` Optimizations on long long multiply/divide on PowerPC32 don't work Christoph Hellwig
2001-12-07 18:28 mike stump
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