--- Comment #17 from rsandifo at gcc dot gnu dot org 2007-10-24 17:55
---
Patches applied to mainline and 4.2.
--
rsandifo at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #16 from rsandifo at gcc dot gnu dot org 2007-10-24 17:54
---
Subject: Bug 33755
Author: rsandifo
Date: Wed Oct 24 17:54:40 2007
New Revision: 129607
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129607
Log:
gcc/
PR target/33755
* config/mips/mips.c
--- Comment #15 from rsandifo at gcc dot gnu dot org 2007-10-24 17:52
---
Subject: Bug 33755
Author: rsandifo
Date: Wed Oct 24 17:52:16 2007
New Revision: 129606
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129606
Log:
gcc/
PR target/33755
* config/mips/mips.c
--- Comment #14 from rsandifo at gcc dot gnu dot org 2007-10-22 20:47
---
Created an attachment (id=14392)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14392&action=view)
Mainline version of proposed patch
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33755
--- Comment #13 from rsandifo at gcc dot gnu dot org 2007-10-22 20:47
---
Created an attachment (id=14391)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14391&action=view)
4.2 version of the proposed patch
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33755
--- Comment #12 from rsandifo at gcc dot gnu dot org 2007-10-15 16:23
---
As a status update: I've got a patch I'm reasonably happy with,
tested against 4.2 and trunk. The trunk version depends on some
uncommitted patches, which in turn depend on a system.h patch,
so I'll hold off appl
--- Comment #11 from rsandifo at nildram dot co dot uk 2007-10-14 09:41
---
Subject: Re: Gcc 4.2.2 broken for mips linux kernel builds
"ddaney at avtrex dot com" <[EMAIL PROTECTED]> writes:
> rsandifo at gcc dot gnu dot org wrote:
>> --- Comment #9 from rsandifo at gcc dot gnu dot
--- Comment #10 from ddaney at avtrex dot com 2007-10-14 02:02 ---
Subject: Re: Gcc 4.2.2 broken for mips linux kernel builds
rsandifo at gcc dot gnu dot org wrote:
> --- Comment #9 from rsandifo at gcc dot gnu dot org 2007-10-13 10:47
> ---
> The problem comes from dbr_sched
--- Comment #9 from rsandifo at gcc dot gnu dot org 2007-10-13 10:47
---
The problem comes from dbr_schedule, although it's not really a bug there.
We have:
bne $5,$0,L1# A
...stuff...
L1:
bne $5,$0,L2# B
...printk call...
L2:
an
--- Comment #8 from daney at gcc dot gnu dot org 2007-10-12 22:35 ---
It appears to be a GCC bug not binutils:
If you look at the assembly output for gcc-4.2, we emit:
lui $2,%hi($LC6)
But there is no corresponding %lo($LC6) to be found. No amount of relocation
sorting could
--- Comment #7 from daney at gcc dot gnu dot org 2007-10-12 22:08 ---
The reduced testcase is different than the reported problem. At a minimum the
relocation types are different. Also the kernel is compiled with -G 0
-mno-abicalls
If we compile the reduced testcase thusly:
(sid)[EMAI
--- Comment #6 from daney at gcc dot gnu dot org 2007-10-12 21:06 ---
>From the reduced testcase could you post the result of:
objdump -r -j .text 33755.o
Thanks.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33755
--- Comment #5 from pinskia at gcc dot gnu dot org 2007-10-12 20:56 ---
This does sound like an gas/ld issue.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33755
--- Comment #4 from daney at gcc dot gnu dot org 2007-10-12 20:44 ---
Not that I have looked into the problem, but this sounds similar to this
problem:
http://sourceware.org/ml/binutils/2006-11/msg00059.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33755
--- Comment #3 from tbm at cyrius dot com 2007-10-12 20:32 ---
/* Testcase by Martin Michlmayr <[EMAIL PROTECTED]> */
struct mtd_blktrans_ops
{
int (*readsect) (void);
int exiting;
};
static void do_blktrans_request (struct mtd_blktrans_ops *tr, long flags)
{
switch (flags & 1)
--- Comment #2 from tbm at cyrius dot com 2007-10-12 19:30 ---
Reducing.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33755
--- Comment #1 from tbm at cyrius dot com 2007-10-12 19:19 ---
Created an attachment (id=14350)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14350&action=view)
preprocessed source
(sid)160:[EMAIL PROTECTED]: ~] gcc-4.2 -c -O2 -march=mips32r2 33755.i
(sid)161:[EMAIL PROTECTED]: ~]
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