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: unassig...@gcc.gnu.org
ReportedBy: vincenzo.innoce...@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.
