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From: "matt at use dot net" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/46077] New: [4.6 regression] ICE in tree vectorization when compiling towns_audio.cpp from scummvm Date: Mon, 18 Oct 2010 22:18:00 -0000 [thread overview] Message-ID: <bug-46077-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46077 Summary: [4.6 regression] ICE in tree vectorization when compiling towns_audio.cpp from scummvm Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: matt@use.net Created attachment 22085 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22085 bzip2 compressed preprocessor output of the source file that reproduced the ICE When compiling scummvm with Ubuntu 10.10's gcc-snapshot package version of g++ (Ubuntu 20101004-0ubuntu1), there is an ICE that occurs that does not happen with g++-4.4 (Ubuntu/Linaro 4.4.4-14ubuntu5) or g++-4.5 (Ubuntu/Linaro 4.5.1-7ubuntu2): matt@matt-desktop:~/src/scummvm$ g++ -x c++ -O3 /tmp/towns_audio.cpp.pre sound/softsynth/fmtowns_pc98/towns_audio.cpp: In member function 'int TownsAudioInterface::intf_pcmPlayEffect(__va_list_tag (&)[1])': sound/softsynth/fmtowns_pc98/towns_audio.cpp:604:5: internal compiler error: in vect_update_ivs_after_vectorizer, at tree-vect-loop-manip.c:1779 The pre-processed source file that reproduced the issue is attached.
next reply other threads:[~2010-10-18 22:18 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-10-18 22:18 matt at use dot net [this message] 2010-10-19 10:50 ` [Bug tree-optimization/46077] " rguenth at gcc dot gnu.org 2010-10-19 11:54 ` irar at il dot ibm.com 2010-11-04 13:18 ` rguenth at gcc dot gnu.org 2010-11-04 13:25 ` rguenth at gcc dot gnu.org 2010-11-17 22:13 ` matt at use dot net 2010-11-19 0:10 ` matt at use dot net 2010-11-19 0:20 ` pinskia at gcc dot gnu.org 2010-11-19 6:34 ` hjl.tools at gmail dot com 2010-11-19 21:01 ` matz at gcc dot gnu.org 2010-11-19 21:04 ` matz at gcc dot gnu.org
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