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* [Bug tree-optimization/50649] New: REGRESSION:  ICE  in vect_is_simple_use_1, at tree-vect-stmts.c:5689 after rev 179607
@ 2011-10-07  7:34 vincenzo.innocente at cern dot ch
  2011-10-07  8:41 ` [Bug tree-optimization/50649] " rguenth at gcc dot gnu.org
  0 siblings, 1 reply; 2+ messages in thread
From: vincenzo.innocente at cern dot ch @ 2011-10-07  7:34 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50649

             Bug #: 50649
           Summary: REGRESSION:  ICE  in vect_is_simple_use_1, at
                    tree-vect-stmts.c:5689 after rev 179607
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: vincenzo.innocente@cern.ch


very new
revision 179607 was still ok
this is an example with the compiler,
many other examples of mine produce the very same ICE with O3 ( using a
compiler configured w/o -O2 -ftree-vectorize)

/home/data/newsoft/gcc-trunk-20110723/host-x86_64-unknown-linux-gnu/gcc/xgcc
-B/home/data/newsoft/gcc-trunk-20110723/host-x86_64-unknown-linux-gnu/gcc/
-B/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/bin/
-B/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/lib/ -isystem
/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/include -isystem
/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/sys-include    -g -O2
-ftree-vectorize -fPIC -m32 -O2  -I. -I. -I../.././gcc -I../.././gcc/.
-I../.././gcc/../include -I../.././gcc/../libdecnumber
-I../.././gcc/../libdecnumber/bid -I../libdecnumber -I../.././gcc/../libgcc -g
-O2 -ftree-vectorize -fPIC -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector   -I. -I. -I../../../host-x86_64-unknown-linux-gnu/gcc
-I../../.././libgcc -I../../.././libgcc/. -I../../.././libgcc/../gcc
-I../../.././libgcc/../include -I../../.././libgcc/config/libbid
-DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o _negdi2_s.o -MT
_negdi2_s.o -MD -MP -MF _negdi2_s.dep -DSHARED -DL_negdi2 -c
../../.././libgcc/../gcc/libgcc2.c
../../.././libgcc/libgcov.c: In function '__gcov_init':
../../.././libgcc/libgcov.c:567:1: internal compiler error: in
vect_is_simple_use_1, at tree-vect-stmts.c:5689
Please submit a full bug report,
with preprocessed source if appropriate.


^ permalink raw reply	[flat|nested] 2+ messages in thread

* [Bug tree-optimization/50649] REGRESSION:  ICE  in vect_is_simple_use_1, at tree-vect-stmts.c:5689 after rev 179607
  2011-10-07  7:34 [Bug tree-optimization/50649] New: REGRESSION: ICE in vect_is_simple_use_1, at tree-vect-stmts.c:5689 after rev 179607 vincenzo.innocente at cern dot ch
@ 2011-10-07  8:41 ` rguenth at gcc dot gnu.org
  0 siblings, 0 replies; 2+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-10-07  8:41 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50649

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-07 08:40:39 UTC ---
.

*** This bug has been marked as a duplicate of bug 50650 ***


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-10-07  7:34 [Bug tree-optimization/50649] New: REGRESSION: ICE in vect_is_simple_use_1, at tree-vect-stmts.c:5689 after rev 179607 vincenzo.innocente at cern dot ch
2011-10-07  8:41 ` [Bug tree-optimization/50649] " rguenth at gcc dot gnu.org

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