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* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' [not found] <bug-24049-11342@http.gcc.gnu.org/bugzilla/> @ 2005-10-06 5:31 ` rth at gcc dot gnu dot org 2005-10-06 8:41 ` cvs-commit at gcc dot gnu dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 13+ messages in thread From: rth at gcc dot gnu dot org @ 2005-10-06 5:31 UTC (permalink / raw) To: gcc-bugs -- rth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |rth at gcc dot gnu dot org |dot org | Status|NEW |ASSIGNED Last reconfirmed|2005-09-24 20:09:10 |2005-10-06 05:31:14 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' [not found] <bug-24049-11342@http.gcc.gnu.org/bugzilla/> 2005-10-06 5:31 ` [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' rth at gcc dot gnu dot org @ 2005-10-06 8:41 ` cvs-commit at gcc dot gnu dot org 2005-10-06 8:45 ` rth at gcc dot gnu dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 13+ messages in thread From: cvs-commit at gcc dot gnu dot org @ 2005-10-06 8:41 UTC (permalink / raw) To: gcc-bugs ------- Comment #13 from cvs-commit at gcc dot gnu dot org 2005-10-06 08:41 ------- Subject: Bug 24049 CVSROOT: /cvs/gcc Module name: gcc Changes by: rth@gcc.gnu.org 2005-10-06 08:41:47 Modified files: gcc : ChangeLog passes.c Added files: gcc/testsuite/gcc.dg/vect: pr24049.c Log message: PR 24049 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa under pass_vectorize. Clear TODO_ggc_collect from the dce pass under pass_vectorize. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.10098&r2=2.10099 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/passes.c.diff?cvsroot=gcc&r1=2.115&r2=2.116 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/pr24049.c.diff?cvsroot=gcc&r1=NONE&r2=1.1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' [not found] <bug-24049-11342@http.gcc.gnu.org/bugzilla/> 2005-10-06 5:31 ` [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' rth at gcc dot gnu dot org 2005-10-06 8:41 ` cvs-commit at gcc dot gnu dot org @ 2005-10-06 8:45 ` rth at gcc dot gnu dot org 2005-10-06 12:45 ` pinskia at gcc dot gnu dot org 2005-10-06 12:46 ` pinskia at gcc dot gnu dot org 4 siblings, 0 replies; 13+ messages in thread From: rth at gcc dot gnu dot org @ 2005-10-06 8:45 UTC (permalink / raw) To: gcc-bugs ------- Comment #14 from rth at gcc dot gnu dot org 2005-10-06 08:45 ------- Fixed. -- rth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' [not found] <bug-24049-11342@http.gcc.gnu.org/bugzilla/> ` (2 preceding siblings ...) 2005-10-06 8:45 ` rth at gcc dot gnu dot org @ 2005-10-06 12:45 ` pinskia at gcc dot gnu dot org 2005-10-06 12:46 ` pinskia at gcc dot gnu dot org 4 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-10-06 12:45 UTC (permalink / raw) To: gcc-bugs ------- Comment #15 from pinskia at gcc dot gnu dot org 2005-10-06 12:45 ------- *** Bug 24233 has been marked as a duplicate of this bug. *** -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |arjanv at redhat dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' [not found] <bug-24049-11342@http.gcc.gnu.org/bugzilla/> ` (3 preceding siblings ...) 2005-10-06 12:45 ` pinskia at gcc dot gnu dot org @ 2005-10-06 12:46 ` pinskia at gcc dot gnu dot org 4 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-10-06 12:46 UTC (permalink / raw) To: gcc-bugs ------- Comment #16 from pinskia at gcc dot gnu dot org 2005-10-06 12:46 ------- *** Bug 24228 has been marked as a duplicate of this bug. *** -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |uros at kss-loka dot si http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
[parent not found: <bug-24049-4@http.gcc.gnu.org/bugzilla/>]
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' [not found] <bug-24049-4@http.gcc.gnu.org/bugzilla/> @ 2021-09-03 2:45 ` pinskia at gcc dot gnu.org 0 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-09-03 2:45 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 Bug 24049 depends on bug 21805, which changed state. Bug 21805 Summary: loop optimizers are not GC safe https://gcc.gnu.org/bugzilla/show_bug.cgi?id=21805 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug c++/24049] New: compiler error: Segmentation fault In function 'DESX_CBCUpdate'
@ 2005-09-24 14:02 harold at alum dot mit dot edu
2005-09-24 20:09 ` [Bug middle-end/24049] [4.1 regression] " pinskia at gcc dot gnu dot org
` (6 more replies)
0 siblings, 7 replies; 13+ messages in thread
From: harold at alum dot mit dot edu @ 2005-09-24 14:02 UTC (permalink / raw)
To: gcc-bugs
The attached preprocessed file segfaults during compilation with the compile line:
gcc-4.1 -DHAVE_CONFIG_H -D__NO_CTYPE -O3 -DPROTOTYPES=0 -DUSE_ANSI=1 -DAMD64 -O3
-ffast-math -funroll-all-loops -fpeel-loops -ftracer -funswitch-loops
-ftree-vectorize -march=k8 -g -pthread -MT desc.o -MD -MP -MF ".deps/desc.Tpo"
-c -o desc.o desc.i
--
Summary: compiler error: Segmentation fault In function
'DESX_CBCUpdate'
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: harold at alum dot mit dot edu
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: x86_64-linux-gnu
GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' 2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu @ 2005-09-24 20:09 ` pinskia at gcc dot gnu dot org 2005-09-24 20:12 ` pinskia at gcc dot gnu dot org ` (5 subsequent siblings) 6 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-09-24 20:09 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-24 20:09 ------- Confirmed, reduced testcase: int DES_CBCUpdate(unsigned char * output, int len) { int work[2]; unsigned int i; for(i = 0;i < len/8;i++) unscrunch (&output[8*i], work); } Only "-O1 -ftree-vectorize --param ggc-min-heapsize=0 --param ggc-min-expand=0" is needed to reproduce this bug. -- What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2005-09-24 20:09:10 date| | Summary|compiler error: Segmentation|[4.1 regression] compiler |fault In function |error: Segmentation fault In |'DESX_CBCUpdate' |function 'DESX_CBCUpdate' Target Milestone|--- |4.1.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' 2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu 2005-09-24 20:09 ` [Bug middle-end/24049] [4.1 regression] " pinskia at gcc dot gnu dot org @ 2005-09-24 20:12 ` pinskia at gcc dot gnu dot org 2005-09-27 23:29 ` pinskia at gcc dot gnu dot org ` (4 subsequent siblings) 6 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-09-24 20:12 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-24 20:12 ------- This is a very recent regression as it worked with 20050908. I think it was caused by: 2005-09-17 Richard Henderson <rth@redhat.com> * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change. * tree-ssa-loop.c (pass_vect_dce): Remove. * passes.c (init_optimization_passes): Add pass_dce as a sub-pass of pass_vectorize. The issue is that the scev is not very GC friendly. -- What |Removed |Added ---------------------------------------------------------------------------- CC| |rth at gcc dot gnu dot org GCC build triplet|x86_64-linux-gnu | GCC host triplet|x86_64-linux-gnu | GCC target triplet|x86_64-linux-gnu | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' 2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu 2005-09-24 20:09 ` [Bug middle-end/24049] [4.1 regression] " pinskia at gcc dot gnu dot org 2005-09-24 20:12 ` pinskia at gcc dot gnu dot org @ 2005-09-27 23:29 ` pinskia at gcc dot gnu dot org 2005-09-27 23:52 ` janis187 at us dot ibm dot com ` (3 subsequent siblings) 6 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-09-27 23:29 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-27 23:29 ------- *** Bug 24095 has been marked as a duplicate of this bug. *** -- What |Removed |Added ---------------------------------------------------------------------------- CC| |janis187 at us dot ibm dot | |com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' 2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu ` (2 preceding siblings ...) 2005-09-27 23:29 ` pinskia at gcc dot gnu dot org @ 2005-09-27 23:52 ` janis187 at us dot ibm dot com 2005-09-27 23:58 ` pinskia at physics dot uc dot edu ` (2 subsequent siblings) 6 siblings, 0 replies; 13+ messages in thread From: janis187 at us dot ibm dot com @ 2005-09-27 23:52 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From janis187 at us dot ibm dot com 2005-09-27 23:52 ------- The reghunt for 24095 (now a duplicate of this one) identified this patch: http://gcc.gnu.org/ml/gcc-cvs/2005-09/msg00635.html which is the one prior to the one that Andrew suspected. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' 2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu ` (3 preceding siblings ...) 2005-09-27 23:52 ` janis187 at us dot ibm dot com @ 2005-09-27 23:58 ` pinskia at physics dot uc dot edu 2005-09-28 0:04 ` pinskia at gcc dot gnu dot org 2005-09-28 0:07 ` pinskia at gcc dot gnu dot org 6 siblings, 0 replies; 13+ messages in thread From: pinskia at physics dot uc dot edu @ 2005-09-27 23:58 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at physics dot uc dot edu 2005-09-27 23:57 ------- Subject: Re: [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' On Sep 27, 2005, at 7:52 PM, janis187 at us dot ibm dot com wrote: > > ------- Additional Comments From janis187 at us dot ibm dot com > 2005-09-27 23:52 ------- > The reghunt for 24095 (now a duplicate of this one) identified this > patch: > > http://gcc.gnu.org/ml/gcc-cvs/2005-09/msg00635.html > > which is the one prior to the one that Andrew suspected. But it was reverted in the one I pointed out and changed to invoked DCE a different way. -- Pinski -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' 2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu ` (4 preceding siblings ...) 2005-09-27 23:58 ` pinskia at physics dot uc dot edu @ 2005-09-28 0:04 ` pinskia at gcc dot gnu dot org 2005-09-28 0:07 ` pinskia at gcc dot gnu dot org 6 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-09-28 0:04 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-28 00:04 ------- Note the older bug for this was PR 21639. I wonder why the testcase was not applied. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' 2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu ` (5 preceding siblings ...) 2005-09-28 0:04 ` pinskia at gcc dot gnu dot org @ 2005-09-28 0:07 ` pinskia at gcc dot gnu dot org 6 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-09-28 0:07 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-28 00:06 ------- PR 21805 was filed after PR 21639 was worked around. But the weird part is that nobdoy applied the testcase for PR 21639. One more thing, it seems like the vector_lower pass should be dependent on tree-vectorizer running. -- What |Removed |Added ---------------------------------------------------------------------------- BugsThisDependsOn| |21805 Severity|normal |critical http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24049 ^ permalink raw reply [flat|nested] 13+ messages in thread
end of thread, other threads:[~2021-09-03 2:45 UTC | newest]
Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-24049-11342@http.gcc.gnu.org/bugzilla/>
2005-10-06 5:31 ` [Bug middle-end/24049] [4.1 regression] compiler error: Segmentation fault In function 'DESX_CBCUpdate' rth at gcc dot gnu dot org
2005-10-06 8:41 ` cvs-commit at gcc dot gnu dot org
2005-10-06 8:45 ` rth at gcc dot gnu dot org
2005-10-06 12:45 ` pinskia at gcc dot gnu dot org
2005-10-06 12:46 ` pinskia at gcc dot gnu dot org
[not found] <bug-24049-4@http.gcc.gnu.org/bugzilla/>
2021-09-03 2:45 ` pinskia at gcc dot gnu.org
2005-09-24 14:02 [Bug c++/24049] New: " harold at alum dot mit dot edu
2005-09-24 20:09 ` [Bug middle-end/24049] [4.1 regression] " pinskia at gcc dot gnu dot org
2005-09-24 20:12 ` pinskia at gcc dot gnu dot org
2005-09-27 23:29 ` pinskia at gcc dot gnu dot org
2005-09-27 23:52 ` janis187 at us dot ibm dot com
2005-09-27 23:58 ` pinskia at physics dot uc dot edu
2005-09-28 0:04 ` pinskia at gcc dot gnu dot org
2005-09-28 0:07 ` pinskia at gcc dot gnu dot org
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