[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2018-09-10 Thread egallager at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 Bug 45720 depends on bug 43432, which changed state. Bug 43432 Summary: Missed vectorization: "complicated access pattern" for increasing and decreasing data indexing https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43432 What

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-22 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #7 from Richard Guenther rguenth at gcc dot gnu.org 2010-10-22 08:59:56 UTC --- We need some sort of a testcase.

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-22 Thread vladimir.a.kharchenko at intel dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #8 from Vladimir Kharchenko vladimir.a.kharchenko at intel dot com 2010-10-22 10:15:16 UTC --- It can happen that this file is minimal test case. :( The piece of source: 961 if ((l_maxabs = temp.s_max[rw]) 0) 962

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-22 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #9 from Uros Bizjak ubizjak at gmail dot com 2010-10-22 11:21:27 UTC --- (In reply to comment #8) So I have no hypotheses about the reason of this exception. Maybe, it was indirect jump into the middle of instruction. I will

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-22 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-22 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #11 from Richard Guenther rguenth at gcc dot gnu.org 2010-10-22 13:22:18 UTC --- Created attachment 22116 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=22116 untested patch Patch which fixes the testcase (and some more).

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-22 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #12 from Richard Guenther rguenth at gcc dot gnu.org 2010-10-22 14:44:53 UTC --- Author: rguenth Date: Fri Oct 22 14:44:48 2010 New Revision: 165832 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=165832 Log: 2010-10-22 Richard

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-22 Thread hjl.tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 H.J. Lu hjl.tools at gmail dot com changed: What|Removed |Added Status|NEW |RESOLVED

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-21 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #2 from hjl at gcc dot gnu.org hjl at gcc dot gnu.org 2010-10-03 05:41:44 UTC --- Author: hjl Date: Sun Oct 3 05:39:32 2010 New Revision: 164914 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=164914 Log: Disallow negative steps

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-21 Thread hjl.tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #4 from H.J. Lu hjl.tools at gmail dot com 2010-10-21 16:28:24 UTC --- As of revision 165771, I still got With runspec -c lnx-i686-gcc.cfg -n 1 -l -o asc -I all -T peak *** Miscompare of ref.out, see

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-21 Thread hjl.tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #5 from H.J. Lu hjl.tools at gmail dot com 2010-10-22 00:28:51 UTC --- With SPEC CPU 2006, revision 165771 gave me: 1. 64bit using-O3 -funroll-loops -ffast-math: Running 450.soplex ref peak lnx32e-gcc default 450.soplex: copy 0

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-10-21 Thread vladimir.a.kharchenko at intel dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 --- Comment #6 from Vladimir Kharchenko vladimir.a.kharchenko at intel dot com 2010-10-22 04:28:46 UTC --- Quick investigation of 450.soplex failure shows that Segmentation fault is in line 966 (file factor.cc). When I recompiled this file

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-09-29 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P1

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-09-18 Thread hjl dot tools at gmail dot com
-- hjl dot tools at gmail dot com changed: What|Removed |Added Target Milestone|--- |4.6.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720

[Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K

2010-09-18 Thread rguenth at gcc dot gnu dot org
--- Comment #1 from rguenth at gcc dot gnu dot org 2010-09-18 18:45 --- I also see 450.soplex and 481.wrf fail. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720