[Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce

2010-12-07 Thread jakub at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799

--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2010-12-07 
11:27:40 UTC ---
Author: jakub
Date: Tue Dec  7 11:27:37 2010
New Revision: 167533

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=167533
Log:
PR debug/46799
* tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION
instead of BUILTINS_LOCATION.
(create_loop_fn): Add LOC argument, pass it to build_decl instead of
BUILTINS_LOCATION.
(create_parallel_loop): Add LOC argument, use it for OMP clauses
and GIMPLE_*OMP* statements.
(gen_parallel_loop): Determine locus for the parallel loop, pass it
to create_loop_fn and create_parallel_loop.
* cfgexpand.c (gimple_expand_cfg): For builtin functions, call
set_curr_insn_source_location (UNKNOWN_LOCATION).

* gcc.dg/autopar/pr46799.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/autopar/pr46799.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgexpand.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-parloops.c

[Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce

2010-12-07 Thread jakub at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799

Jakub Jelinek jakub at gcc dot gnu.org changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution||FIXED

--- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org 2010-12-07 
11:31:26 UTC ---
Fixed.

[Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce

2010-12-06 Thread jakub at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799

Jakub Jelinek jakub at gcc dot gnu.org changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
 AssignedTo|unassigned at gcc dot   |jakub at gcc dot gnu.org
   |gnu.org |

--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2010-12-06 
10:10:58 UTC ---
Created attachment 22650
  -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=22650
gcc46-pr46799.patch

Untested patch.

[Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce

2010-12-04 Thread hjl.tools at gmail dot com 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799

H.J. Lu hjl.tools at gmail dot com changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2010.12.04 17:08:54
 CC||matz at suse dot de
   Target Milestone|--- |4.6.0
Summary|-fcompare-debug failure |[4.6 Regression]
   |(length) with   |-fcompare-debug failure
   |-ftree-parallelize-loops=2  |(length) with
   |-fno-tree-dce   |-ftree-parallelize-loops=2
   ||-fno-tree-dce
 Ever Confirmed|0   |1

--- Comment #1 from H.J. Lu hjl.tools at gmail dot com 2010-12-04 17:08:54 
UTC ---
It is caused by revision 167184:

http://gcc.gnu.org/ml/gcc-cvs/2010-11/msg01074.html