From: Florian Lohoff <flo@rfc822.org>
To: Ralf Baechle <ralf@oss.sgi.com>
Cc: Jun Sun <jsun@mvista.com>, linux-mips@fnet.fr, linux-mips@oss.sgi.com
Subject: Re: The initial results (Re: stable binutils, gcc, glibc ...
Date: Wed, 18 Oct 2000 14:30:03 +0200 [thread overview]
Message-ID: <20001018143003.C2354@paradigm.rfc822.org> (raw)
In-Reply-To: <20001018035719.F7865@bacchus.dhis.org>; from ralf@oss.sgi.com on Wed, Oct 18, 2000 at 03:57:19AM +0200
On Wed, Oct 18, 2000 at 03:57:19AM +0200, Ralf Baechle wrote:
>
> loop:
> [...]
> beq r1, r2, loop
>
> should be turned into:
>
> loop:
> [...]
> bnez r1, r2, 1f
> j loop
> 1:
>
> but of course only if the branch destination is outside the 16-bit range.
> Thanks to the ever increasing code size there are now several realworld
> examples which run into this problem. Volunteers?
By thinking about this without any knowledge of the binutils code generation.
How does this work if loop is only an external symbol ? The distance
will than be relevant when linking but then the code will already be there
and one would need to insert an instruction.
Flo
--
Florian Lohoff flo@rfc822.org +49-5201-669912
"Write only memory - Oops. Time for my medication again ..."
next prev parent reply other threads:[~2000-10-18 12:46 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-14 5:13 stable binutils, gcc, glibc Jun Sun
2000-10-14 3:55 ` Ralf Baechle
2000-10-14 4:21 ` Ralf Baechle
2000-10-14 10:57 ` Florian Lohoff
2000-10-14 14:51 ` Jay Carlson
2000-10-14 14:51 ` Jay Carlson
2000-10-14 15:09 ` Ralf Baechle
2000-10-14 16:11 ` Jay Carlson
2000-10-14 16:11 ` Jay Carlson
2000-10-14 16:29 ` Bradley D. LaRonde
2000-10-14 16:29 ` Bradley D. LaRonde
2000-10-16 0:35 ` Ralf Baechle
2000-10-16 1:33 ` Mike Klar
2000-10-16 1:33 ` Mike Klar
2000-10-16 11:26 ` Jay Carlson
2000-10-16 11:26 ` Jay Carlson
2000-10-16 11:30 ` Ralf Baechle
2000-10-16 12:00 ` Ralf Baechle
2000-10-18 1:59 ` Jay Carlson
2000-10-18 1:59 ` Jay Carlson
2000-10-18 20:31 ` Ralf Baechle
2000-10-14 16:11 ` Jay Carlson
2000-10-14 16:11 ` Jay Carlson
2000-10-14 16:12 ` Ralf Baechle
2000-10-14 16:22 ` Bradley D. LaRonde
2000-10-14 16:22 ` Bradley D. LaRonde
2000-10-14 23:47 ` Keith Owens
2000-10-16 1:07 ` Ralf Baechle
2000-10-16 7:00 ` Alan Cox
2000-10-16 7:00 ` Alan Cox
2000-10-14 10:55 ` Florian Lohoff
2000-10-14 12:41 ` Ralf Baechle
[not found] ` <Pine.LNX.4.21.0010140730280.17430-100000@spawn.hockeyfiend.com>
2000-10-14 14:25 ` Ralf Baechle
2000-10-14 17:54 ` Florian Lohoff
2000-10-16 15:41 ` Maciej W. Rozycki
2000-10-18 4:04 ` The initial results (Re: " Jun Sun
2000-10-18 1:33 ` Florian Lohoff
2000-10-18 9:20 ` Jun Sun
2000-10-18 2:25 ` nick
2000-10-18 9:18 ` Florian Lohoff
2000-10-18 12:27 ` Ralf Baechle
2000-10-18 1:57 ` Ralf Baechle
2000-10-18 12:30 ` Florian Lohoff [this message]
2000-10-18 22:37 ` Ralf Baechle
2000-10-18 11:42 ` Geert Uytterhoeven
2000-10-18 17:15 ` Jun Sun
2000-10-20 14:55 ` Geert Uytterhoeven
2000-11-06 11:43 ` Jay Carlson
2000-11-06 11:43 ` Jay Carlson
2000-10-20 11:09 ` Andreas Jaeger
2000-10-20 12:03 ` Jay Carlson
2000-10-20 12:03 ` Jay Carlson
2000-10-21 1:24 ` Ralf Baechle
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