CP2K (see PR 29975) compiles fine with current trunk using '-O3 -ffast-math -ftree-vectorize -march=native -funroll-loops'
but the code stops with a bogus error message using '-O3 -ffast-math -ftree-vectorize -march=native -funroll-loops -pg' to reproduce see comment 112 in PR 29975 to obtain the code and the example inputs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29975#c112 I've tested this using: Target: x86_64-unknown-linux-gnu Configured with: /data/vondele/gcc_trunk/gcc/configure --prefix=/data/vondele/gcc_trunk/build --enable-languages=c,fortran --with-mpfr=/data/programs/mpfr/ Thread model: posix gcc version 4.3.0 20070620 (experimental) -- Summary: -pg seemingly causes miscompilation Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jv244 at cam dot ac dot uk http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32450
