Hi, the attached code, when compiled with the following gcc:
-------------------------------- $ gcc -v Using built-in specs. Target: i686-pc-linux-gnu Configured with: ../../../gcc-SVN-20070121/gcc-SVN-20070121/configure --prefix=/usr/local/MDLinux/opt/gcc-4.3 --exec-prefix=/usr/local/MDLinux/opt/gcc-4.3 --sysconfdir=/etc --libdir=/usr/local/MDLinux/opt/gcc-4.3/lib --libexecdir=/usr/local/MDLinux/opt/gcc-4.3/libexec --sharedstatedir=/var --localstatedir=/var --program-suffix=-4.3 --with-x-includes=/usr/X11R6/include --with-x-libraries=/usr/X11R6/lib --enable-shared --enable-static --with-gnu-as --with-gnu-ld --with-stabs --enable-threads=posix --enable-version-specific-runtime-libs --disable-werror --enable-tls --disable-coverage --disable-libgcj --disable-checking --enable-multilib --with-x --enable-cmath --enable-libstdcxx-debug --enable-fast-character --enable-hash-synchronization --with-system-zlib --with-libbanshee --with-demangler-in-ld --disable-rpath --with-arch=athlon-xp --disable-libada --enable-languages=c,c++,fortran Thread model: posix gcc version 4.3.0 20070121 (experimental) -------------------------------- using following command line: -------------------------------- gcc -O1 -ftree-pre -ftree-loop-linear -funroll-loops -c psycho_n1.c -o psycho_n1.o -------------------------------- ICEs like this: -------------------------------- psycho_n1.c: In function âpsycho_n1â: psycho_n1.c:64: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. -------------------------------- Removal of any of the optimizing flags makes it compile. Tested on i686. -- Summary: ICE with -O1 -ftree-pre -ftree-loop-linear -funroll- loops Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: drab at kepler dot fjfi dot cvut dot cz GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30565
