https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
Aurelien Jarno changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #21 from Aurelien Jarno ---
(In reply to Steve Ellcey from comment #20)
> I have still not been able to reproduce this or understand what is happening.
>
> Aurelien, could you try applying the patch that has been submitted for PR
> 6
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--- Comment #20 from Steve Ellcey ---
I have still not been able to reproduce this or understand what is happening.
Aurelien, could you try applying the patch that has been submitted for PR 69129
to see if that helps? The failure modes for this
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--- Comment #19 from Aurelien Jarno ---
Please find below the output produced by gcc when compiling with -v
Reading specs from /home/aurel32/work/mips-gcc/build/./gcc/specs
COLLECT_GCC=/home/aurel32/work/mips-gcc/build/./gcc/xgcc
Target: mipsel-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #18 from Steve Ellcey ---
I think there is still a difference in our configurations. If you add '-v' to
the compile line when compiling the test program what do you see? Specifically
what does COLLECT_GCC_OPTIONS show? Mine has:
C
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #17 from Aurelien Jarno ---
Created attachment 37098
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37098&action=edit
output log with cselib.c patched
Please find attached the output with your cselib.c patch. Sorry for the dela
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
Khem Raj changed:
What|Removed |Added
CC||raj.khem at gmail dot com
--- Comment #16 fro
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #15 from Steve Ellcey ---
Created attachment 36978
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36978&action=edit
patch to put debug statements in cselib.c
I still cannot reproduce the failure. I have built cross compilers o
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #14 from Aurelien Jarno ---
Created attachment 36970
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36970&action=edit
Output log 2
Unfortunately it still fails, though the output log is now slightly different.
Please find it at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #13 from Steve Ellcey ---
Thanks for the trace. I am still not sure I understand what is going on but I
wonder if you could try commenting out this code under the "case 'e'" code in
rtx_equal_for_cselib_1.
#if 0
if (i ==
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #12 from Aurelien Jarno ---
Created attachment 36965
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36965&action=edit
Output log
Please find attached the output log of gcc running patched as you requested.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #11 from Steve Ellcey ---
Could you try adding 'debug_rtx (x); debug_rtx (y);' to the front
of rtx_equal_for_cselib_1? It looks like this routine is in an
infinite loop, I would like to see what input it is working on
and see if the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #10 from Aurelien Jarno ---
(In reply to Steve Ellcey from comment #8)
> Where in CC1 do you segfault? Can you show me the error message you get
> when compiling the test program using the latest gcc-5-branch sources.
The only messa
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
Richard Biener changed:
What|Removed |Added
Target Milestone|5.3 |5.4
--- Comment #9 from Richard Biener
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #8 from Steve Ellcey ---
Where in CC1 do you segfault? Can you show me the error message you get when
compiling the test program using the latest gcc-5-branch sources.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #7 from Aurelien Jarno ---
I am using gcc 5.2 from Debian unstable to build the cross compiler. Please
also note that I have the same issue when using the native GCC 5.2 compiler on
a mips or mipsel system.
How can I help debugging t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #6 from Steve Ellcey ---
I still haven't been able to reproduce this. I have been trying to do so with
the gcc-5-branch. Aurelien, what host GCC version are you using when you build
a cross compiler? I am building on Ubuntu 12.04 w
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Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #5
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--- Comment #4 from Aurelien Jarno ---
The bisection shows that this commit has fixed the issue on trunk:
2015-07-23 Richard Biener
PR middle-end/66916
* match.pd: Guard widen and sign-change comparison simplification
with single
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
--- Comment #3 from Aurelien Jarno ---
I built GCC with the following options:
configure --enable-languages=c --prefix=/usr --target=mipsel-linux-gnu
--includedir=/usr/mipsel-linux-gnu/include
Then I build the file with -O2 -g -o test.o -c te
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
Steve Ellcey changed:
What|Removed |Added
CC||sje at gcc dot gnu.org
--- Comment #2 fro
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68302
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |5.3
--- Comment #1 from Richard Biener
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