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From: Vsevolod Lobko<seva@s...>
Date: Mon Aug 9 23:01:44 CEST 2004
Subject: [openrisc] GCC: support for l.cmov
On Mon, Aug 09, 2004 at 09:22:40PM +0200, Matjaz Breskvar wrote:
> * Vsevolod Lobko (seva@s...) wrote:
> > Hello,
> >
> > What happened with this patches?
>
> They is some problem with it, it fails to compile linux. I'm working
> with Phill to fix it, but it seams we both have other priorities.
>
> if somebody wants to take a look at it in the meantime even better.
>
> > Does they helps with messages like:
> >
> > timer.c: In function `gcd':
> > timer.c:115: unrecognizable insn:
> > (insn 61 10 62 (set (reg:CC 48)
> > (ne:CC (reg/v:SI 39)
> > (const_int 0 [0x0]))) -1 (insn_list 4 (nil))
> > (expr_list:REG_DEAD (reg/v:SI 39)
> > (nil)))
> > timer.c:115: Internal compiler error in extract_insn, at recog.c:2148
> > Please submit a full bug report,
> > with preprocessed source if appropriate.
> > See <URL:http://gcc.gnu.org/bugs.html> for instructions.
> > *** Error code 1
> >
> > when compiling something using gcc-3.2.3 from or1k cvs with optimisation?
>
> i've got gcc-3.4.1 port that fixed some problem in compiling linux
> 2.6.5. you can send me the source, preprocessed source and options used to
> compile it and i'll make sure it gets fixed eventually.

it is or1k/mp3/sw/mad-xess sources from cvs
cd to or1k/mp3/sw/mad-xess/libmad directory and run make:

[seva@sevasoft][/home/seva/src/or1k/mp3/sw/mad-xess/libmad] make
or32-uclinux-gcc -DHAVE_CONFIG_H -DFPM_DEFAULT -fno-delayed-branch -Wall -nostdlib -g -O -fforce-mem -fforce-addr -fthread-jumps -fcse-follow-jumps -fcse-skip-blocks -fexpensive-optimizations -fregmove -fschedule-insns2 -msoft-div -I. -I./../ -c -o fixed.o fixed.c
[... snip ...]
or32-uclinux-gcc -DHAVE_CONFIG_H -DFPM_DEFAULT -fno-delayed-branch -Wall -nostdlib -g -O -fforce-mem -fforce-addr -fthread-jumps -fcse-follow-jumps -fcse-skip-blocks -fexpensive-optimizations -fregmove -fschedule-insns2 -msoft-div -I. -I./../ -c -o timer.o timer.c
timer.c: In function `gcd':
timer.c:115: unrecognizable insn:
(insn 61 10 62 (set (reg:CC 48)
(ne:CC (reg/v:SI 39)
(const_int 0 [0x0]))) -1 (insn_list 4 (nil))
(expr_list:REG_DEAD (reg/v:SI 39)
(nil)))
timer.c:115: Internal compiler error in extract_insn, at recog.c:2148
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
*** Error code 1

Reference	Author
[openrisc] GCC: support for l.cmov	Matjaz Breskvar