gfortran -O2 -ftree-vectorize -maltivec fails with ICE, on compiling following code.
INTEGER I DIMENSION A(1000000), B(1000000), C(1000000) READ*, X, Y DO I=1,1000 A = LOG(X) B = LOG(Y) C = A + B END DO PRINT*, C(500000) END example6.f:3: error: 'then' label does not match edge at end of bb 2 example6.f:3: error: 'else' label does not match edge at end of bb 2 example6.f:3: error: 'then' label does not match edge at end of bb 4 example6.f:3: error: 'else' label does not match edge at end of bb 4 example6.f:3: error: 'then' label does not match edge at end of bb 5 example6.f:3: error: 'else' label does not match edge at end of bb 5 example6.f:3: internal compiler error: verify_flow_info failed -- Summary: gfortran ICE -ftree-vector Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: htanabe at edu dot gunma-u dot ac dot jp CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: 4.0.0 20041128 (experimental) GCC host triplet: powerpc-apple-darwin7.6.0 GCC target triplet: powerpc-apple-darwin7.5.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18734