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* [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize @ 2010-10-25 18:09 zsojka at seznam dot cz 2010-10-26 8:25 ` [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV " hjl.tools at gmail dot com ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: zsojka at seznam dot cz @ 2010-10-25 18:09 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46167 Summary: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: zsojka@seznam.cz Created attachment 22148 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22148 reduced testcase valgrind output : $ gcc -O -ftree-vectorize pr46167.c ==21601== Invalid read of size 8 ==21601== at 0x5933E8: flow_bb_inside_loop_p (cfgloop.c:776) ==21601== by 0x100FA9F: vect_recog_dot_prod_pattern (tree-vect-patterns.c:260) ==21601== by 0x10104A5: vect_pattern_recog (tree-vect-patterns.c:683) ==21601== by 0x9DE777: vect_analyze_loop (tree-vect-loop.c:1406) ==21601== by 0x9EC288: vectorize_loops (tree-vectorizer.c:219) ==21601== by 0x797A5E: execute_one_pass (passes.c:1560) ==21601== by 0x797CF4: execute_pass_list (passes.c:1615) ==21601== by 0x797D06: execute_pass_list (passes.c:1616) ==21601== by 0x797D06: execute_pass_list (passes.c:1616) ==21601== by 0x8E4B65: tree_rest_of_compilation (tree-optimize.c:422) ==21601== by 0xAAF281: cgraph_expand_function (cgraphunit.c:1494) ==21601== by 0xAB1849: cgraph_optimize (cgraphunit.c:1553) ==21601== Address 0x18 is not stack'd, malloc'd or (recently) free'd ==21601== pr46167.c: In function 'foo': pr46167.c:1:5: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r165915 - crash r163636 - crash r161659 - OK r159696 - OK 4.5 r165781 - crash 4.5.1 - OK 4.4 r165754 - OK ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize 2010-10-25 18:09 [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize zsojka at seznam dot cz @ 2010-10-26 8:25 ` hjl.tools at gmail dot com 2010-10-26 8:27 ` hjl.tools at gmail dot com ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: hjl.tools at gmail dot com @ 2010-10-26 8:25 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46167 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.10.26 08:25:36 CC| |cfang at gcc dot gnu.org Target Milestone|--- |4.6.0 Ever Confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-26 08:25:36 UTC --- It is caused by revision 163207: http://gcc.gnu.org/ml/gcc-cvs/2010-08/msg00418.html ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize 2010-10-25 18:09 [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize zsojka at seznam dot cz 2010-10-26 8:25 ` [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV " hjl.tools at gmail dot com @ 2010-10-26 8:27 ` hjl.tools at gmail dot com 2010-10-26 13:37 ` jakub at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: hjl.tools at gmail dot com @ 2010-10-26 8:27 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46167 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hjl.tools at gmail dot com Target Milestone|4.6.0 |4.5.2 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize 2010-10-25 18:09 [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize zsojka at seznam dot cz 2010-10-26 8:25 ` [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV " hjl.tools at gmail dot com 2010-10-26 8:27 ` hjl.tools at gmail dot com @ 2010-10-26 13:37 ` jakub at gcc dot gnu.org 2010-10-26 15:53 ` irar at gcc dot gnu.org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jakub at gcc dot gnu.org @ 2010-10-26 13:37 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46167 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P1 CC| |jakub at gcc dot gnu.org ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize 2010-10-25 18:09 [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize zsojka at seznam dot cz ` (2 preceding siblings ...) 2010-10-26 13:37 ` jakub at gcc dot gnu.org @ 2010-10-26 15:53 ` irar at gcc dot gnu.org 2010-10-26 20:16 ` irar at gcc dot gnu.org 2010-10-26 20:26 ` irar at il dot ibm.com 5 siblings, 0 replies; 7+ messages in thread From: irar at gcc dot gnu.org @ 2010-10-26 15:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46167 --- Comment #2 from irar at gcc dot gnu.org 2010-10-26 15:53:33 UTC --- Author: irar Date: Tue Oct 26 15:53:28 2010 New Revision: 165970 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165970 Log: PR tree-optimization/46167 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check that there is basic block for the statement. Added: trunk/gcc/testsuite/gcc.dg/vect/O-pr46167.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/vect/vect.exp trunk/gcc/tree-vect-patterns.c ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize 2010-10-25 18:09 [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize zsojka at seznam dot cz ` (3 preceding siblings ...) 2010-10-26 15:53 ` irar at gcc dot gnu.org @ 2010-10-26 20:16 ` irar at gcc dot gnu.org 2010-10-26 20:26 ` irar at il dot ibm.com 5 siblings, 0 replies; 7+ messages in thread From: irar at gcc dot gnu.org @ 2010-10-26 20:16 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46167 --- Comment #3 from irar at gcc dot gnu.org 2010-10-26 20:16:13 UTC --- Author: irar Date: Tue Oct 26 20:15:52 2010 New Revision: 165985 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165985 Log: PR tree-optimization/46167 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check that there is basic block for the statement. Added: branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/vect/O-pr46167.c Modified: branches/gcc-4_5-branch/gcc/ChangeLog branches/gcc-4_5-branch/gcc/testsuite/ChangeLog branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/vect/vect.exp branches/gcc-4_5-branch/gcc/tree-vect-patterns.c ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize 2010-10-25 18:09 [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize zsojka at seznam dot cz ` (4 preceding siblings ...) 2010-10-26 20:16 ` irar at gcc dot gnu.org @ 2010-10-26 20:26 ` irar at il dot ibm.com 5 siblings, 0 replies; 7+ messages in thread From: irar at il dot ibm.com @ 2010-10-26 20:26 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46167 Ira Rosen <irar at il dot ibm.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |irar at il dot ibm.com Resolution| |FIXED --- Comment #4 from Ira Rosen <irar at il dot ibm.com> 2010-10-26 20:25:28 UTC --- Fixed. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2010-10-26 20:26 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-10-25 18:09 [Bug tree-optimization/46167] New: [4.5/4.6 Regression] ICE: SEIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize zsojka at seznam dot cz 2010-10-26 8:25 ` [Bug tree-optimization/46167] [4.5/4.6 Regression] ICE: SIGSEGV " hjl.tools at gmail dot com 2010-10-26 8:27 ` hjl.tools at gmail dot com 2010-10-26 13:37 ` jakub at gcc dot gnu.org 2010-10-26 15:53 ` irar at gcc dot gnu.org 2010-10-26 20:16 ` irar at gcc dot gnu.org 2010-10-26 20:26 ` irar at il dot ibm.com
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