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From: "anton.katilin at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/55339] New: Generated code hangs with -O2 on Linux ppc Date: Thu, 15 Nov 2012 11:24:00 -0000 [thread overview] Message-ID: <bug-55339-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55339 Bug #: 55339 Summary: Generated code hangs with -O2 on Linux ppc Classification: Unclassified Product: gcc Version: 4.7.2 Status: UNCONFIRMED Severity: critical Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: anton.katilin@gmail.com Please find attached a test program and _compile.sh to compile it. _compile.sh produces 2 output files: test-O2.bin and test-O1.bin, compiled with -O2 and -O1 respectively. test-O1.bin works just fine: $ ./test-O1.bin entering... exception caught, as expected OK $ test-O1.bin hangs: $ ./test-O2.bin entering... <hangs forever at this point...> $ g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/opt/gcc-4.7.2/libexec/gcc/powerpc64-unknown-linux-gnu/4.7.2/lto-wrapper Target: powerpc64-unknown-linux-gnu Configured with: ../gcc-4.7.2/configure --prefix=/opt/gcc-4.7.2 --enable-threads=posix --disable-libunwind-exceptions --with-system-zlib --enable-__cxa_atexit --enable-languages=c,c++ --enable-multilib Thread model: posix gcc version 4.7.2 (GCC) $ uname -a Linux localhost.localdomain 2.6.29-3.ydl61.3 #1 SMP Thu Jun 25 12:22:41 EDT 2009 ppc64 ppc64 ppc64 GNU/Linux
next reply other threads:[~2012-11-15 11:24 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-11-15 11:24 anton.katilin at gmail dot com [this message] 2012-11-15 11:28 ` [Bug c++/55339] " anton.katilin at gmail dot com 2012-11-15 11:35 ` [Bug c++/55339] C++ code compiled with -O2 on Linux ppc hangs in runtime paolo.carlini at oracle dot com 2012-11-15 14:35 ` anton.katilin at gmail dot com 2012-11-15 18:06 ` [Bug target/55339] " pinskia at gcc dot gnu.org 2012-11-16 17:44 ` anton.katilin at gmail dot com
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