--- Comment #10 from hjl at gcc dot gnu dot org 2009-12-12 01:45 ---
Subject: Bug 42166
Author: hjl
Date: Sat Dec 12 01:45:12 2009
New Revision: 155191
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=155191
Log:
Backport testcases from trunk.
2009-12-11 H.J. Lu
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rth at gcc dot gnu dot org changed:
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AssignedTo|unassigned at gcc dot gnu |rth at gcc dot gnu dot org
|dot org
--- Comment #5 from rth at gcc dot gnu dot org 2009-12-07 20:31 ---
There appears to be a phase ordering problem.
We duplicate a block in create_block_for_threading, which leaves users
of various SSA names dangling waiting on a subsequent update_ssa.
Before we get to that update_ssa
--- Comment #6 from rth at gcc dot gnu dot org 2009-12-07 21:00 ---
Created an attachment (id=19253)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19253action=view)
Proposed patch
I'm testing this to account for the ssa_name marked for renaming problem.
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--- Comment #7 from rth at gcc dot gnu dot org 2009-12-07 22:16 ---
*** Bug 42299 has been marked as a duplicate of this bug. ***
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rth at gcc dot gnu dot org changed:
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--- Comment #8 from rth at gcc dot gnu dot org 2009-12-07 22:42 ---
Subject: Bug 42166
Author: rth
Date: Mon Dec 7 22:42:10 2009
New Revision: 155063
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=155063
Log:
PR debug/42299
PR debug/42166
* tree-ssa.c
--- Comment #9 from rth at gcc dot gnu dot org 2009-12-07 23:31 ---
Fixed.
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rth at gcc dot gnu dot org changed:
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Status|ASSIGNED
--- Comment #3 from pinskia at gcc dot gnu dot org 2009-12-03 05:17 ---
Interesting it works for LP32 targets.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42166
--- Comment #4 from pinskia at gcc dot gnu dot org 2009-12-03 05:32 ---
More interesting is that if I turn off IV-opts, it works.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42166
--- Comment #2 from rguenth at gcc dot gnu dot org 2009-11-27 11:30 ---
Confirmed. The ICE is from verify-ssa after DOM which threads some jumps.
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rguenth at gcc dot gnu dot org changed:
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jv244 at cam dot ac dot uk changed:
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CC||aoliva at gcc dot gnu dot
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--- Comment #1 from jv244 at cam dot ac dot uk 2009-11-24 19:20 ---
and confirmed for current trunk.
gcc version 4.5.0 20091124 (experimental) [trunk revision 154511] (GCC)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42166
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