--- Comment #9 from rguenth at gcc dot gnu dot org 2008-01-09 15:56 ---
Trying someone else - Eric, any clue about post-increment?
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #4 from tbm at cyrius dot com 2008-01-03 18:03 ---
Bugzilla wraps the testcase in a way that some commented out is no longer
commented out and so you don't see the segfault. Here's the testcase again
with proper wrapping:
typedef unsigned short u16;
typedef unsigned char
--- Comment #5 from tbm at cyrius dot com 2008-01-03 18:07 ---
Created an attachment (id=14870)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14870action=view)
optimized tree dump (4.2)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34628
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tbm at cyrius dot com changed:
What|Removed |Added
Status|WAITING |UNCONFIRMED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34628
--- You
--- Comment #6 from tbm at cyrius dot com 2008-01-03 18:22 ---
(In reply to comment #2)
I see different IL for 4.2 compared to 4.3, is the bug present in 4.3? Can
you
attach the optimized tree dump?
I also get a segfault with the testcase and 4.3.0 20070916.
The original program
--- Comment #7 from rguenth at gcc dot gnu dot org 2008-01-03 18:58 ---
The final tree IL looks good, so I suspect the RTL loop optimizer gets this
wrong.
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rguenth at gcc dot gnu dot org changed:
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aldot at gcc dot gnu dot org changed:
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CC||aldot at gcc dot gnu dot org
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rguenth at gcc dot gnu dot org changed:
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CC||zadeck at naturalbridge dot
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--- Comment #8 from rakdver at gcc dot gnu dot org 2008-01-03 21:23 ---
(In reply to comment #7)
The final tree IL looks good, so I suspect the RTL loop optimizer gets this
wrong.
add r1, sp, #56 // upper loop-bound; should have been #12
I actually wanted to say 'should
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tim at buttersideup dot com changed:
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CC||tim at buttersideup dot com
--- Comment #3 from mmitchel at gcc dot gnu dot org 2008-01-02 23:14
---
Put into WAITING state until the information requested in Comment #2 is
available.
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mmitchel at gcc dot gnu dot org changed:
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tbm at cyrius dot com changed:
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CC||debian-gcc at lists dot
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pinskia at gcc dot gnu dot org changed:
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CC||pinskia at gcc dot gnu dot
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