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* [Bug lto/46531] New: Many benchmarks in SPEC CPU 2006 are miscompiled by LTO @ 2010-11-18 2:42 hjl.tools at gmail dot com 2010-11-18 10:19 ` [Bug lto/46531] " rguenth at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2010-11-18 2:42 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46531 Summary: Many benchmarks in SPEC CPU 2006 are miscompiled by LTO Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto AssignedTo: unassigned@gcc.gnu.org ReportedBy: hjl.tools@gmail.com CC: rguenth@gcc.gnu.org On Linux/x86-64, revision 166871 with -O3 -funroll-loops -ffast-math -fwhole-program -flto=jobserver -fuse-linker-plugin and normal input gave Running 471.omnetpp ref peak lto default 471.omnetpp: copy 0 non-zero return code (exit code=1, signal=0) Running 483.xalancbmk ref peak lto default 483.xalancbmk: copy 0 non-zero return code (exit code=0, signal=11) Running 447.dealII ref peak lto default 447.dealII: copy 0 non-zero return code (exit code=0, signal=6) Running 450.soplex ref peak lto default 450.soplex: copy 0 non-zero return code (exit code=0, signal=9) 450.soplex: copy 0 non-zero return code (exit code=0, signal=11) ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug lto/46531] Many benchmarks in SPEC CPU 2006 are miscompiled by LTO 2010-11-18 2:42 [Bug lto/46531] New: Many benchmarks in SPEC CPU 2006 are miscompiled by LTO hjl.tools at gmail dot com @ 2010-11-18 10:19 ` rguenth at gcc dot gnu.org 2010-11-20 6:02 ` hjl.tools at gmail dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2010-11-18 10:19 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46531 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.11.18 10:16:32 Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-18 10:16:32 UTC --- Also can be seen here: http://gcc.opensuse.org/SPEC/CFP/sb-barbella.suse.de-ai-64/recent.html (the tester finally recovered) SPEC INT is all fine though. I see neary all of SPEC FP fail (with the linker plugin). SPEC 2k seems to be fine. What an interesting amount of different LTO variants ... ;) ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug lto/46531] Many benchmarks in SPEC CPU 2006 are miscompiled by LTO 2010-11-18 2:42 [Bug lto/46531] New: Many benchmarks in SPEC CPU 2006 are miscompiled by LTO hjl.tools at gmail dot com 2010-11-18 10:19 ` [Bug lto/46531] " rguenth at gcc dot gnu.org @ 2010-11-20 6:02 ` hjl.tools at gmail dot com 2010-11-28 14:38 ` hjl.tools at gmail dot com 2010-11-28 14:42 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2010-11-20 6:02 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46531 --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-20 03:53:00 UTC --- As of revision 166944, with -O3 -mfpmath=sse -msse2 -funroll-loops -ffast-math -fwhole-program -flto=jobserver -fuse-linker-plugin SPEC CPU 2K is compiled and run correctly for both ia32 and x86-64. For SPEC CPU 2006, with reference input, the only failure is: Running 416.gamess ref peak lto default 416.gamess: copy 0 non-zero return code (exit code=0, signal=11) **************************************** Contents of cytosine.2.err **************************************** STOP IN ABRT **************************************** **************************************** Contents of triazolium.err **************************************** STOP IN ABRT **************************************** for both ia32 and x86-64. For test input, the only 2 failures are Running 416.gamess test peak lto default **************************************** Contents of exam29.err **************************************** STOP IN ABRT **************************************** *** Miscompare of exam29.out; for details see /export/gnu/import/svn/gcc-test-spec/spec/2006/i686/spec/benchspec/CPU2006/4 16.gamess/run/run_peak_test_lto.0000/exam29.out.mis Running 465.tonto test peak lto default *** Miscompare of stdout; for details see /export/gnu/import/svn/gcc-test-spec/spec/2006/i686/spec/benchspec/CPU2006/4 65.tonto/run/run_peak_test_lto.0000/stdout.mis for both ia32 and x86-64. They may be the same bug. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug lto/46531] Many benchmarks in SPEC CPU 2006 are miscompiled by LTO 2010-11-18 2:42 [Bug lto/46531] New: Many benchmarks in SPEC CPU 2006 are miscompiled by LTO hjl.tools at gmail dot com 2010-11-18 10:19 ` [Bug lto/46531] " rguenth at gcc dot gnu.org 2010-11-20 6:02 ` hjl.tools at gmail dot com @ 2010-11-28 14:38 ` hjl.tools at gmail dot com 2010-11-28 14:42 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2010-11-28 14:38 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46531 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-28 14:34:56 UTC --- Fixed as of revision 167184 with GNU BFD linker in CVS 2010-11-25. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug lto/46531] Many benchmarks in SPEC CPU 2006 are miscompiled by LTO 2010-11-18 2:42 [Bug lto/46531] New: Many benchmarks in SPEC CPU 2006 are miscompiled by LTO hjl.tools at gmail dot com ` (2 preceding siblings ...) 2010-11-28 14:38 ` hjl.tools at gmail dot com @ 2010-11-28 14:42 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2010-11-28 14:42 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46531 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.6.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2010-11-28 14:37 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-11-18 2:42 [Bug lto/46531] New: Many benchmarks in SPEC CPU 2006 are miscompiled by LTO hjl.tools at gmail dot com 2010-11-18 10:19 ` [Bug lto/46531] " rguenth at gcc dot gnu.org 2010-11-20 6:02 ` hjl.tools at gmail dot com 2010-11-28 14:38 ` hjl.tools at gmail dot com 2010-11-28 14:42 ` hjl.tools at gmail dot com
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