Minor modifications

   Makefile. Deactivation of the optimization option “-ipo” (for the “ifort”
      compiler) and the explicit auto-vectorization compilation options
      (“-axSSSE3” for “ifort”; “-msse3” for “gfortran”).

src/Makefile

@@ -12,11 +12,11 @@ EXECUTION = debug_omp
 #   "gfortran_debug" and "gfortran_debug_omp"
 #      -g -O0 -fbacktrace -C -Wall -fbounds-check
 #   "gfortran_bin" 
-#      -O2 -msse3
+#      -O2 
 #   "ifort_debug" and "ifort_debug_omp"
 #      -g -O0 -traceback -C -check bounds -check noarg_temp_created -debug all -fpe0
 #   "ifort_bin"
-#      -O2 -ipo -axSSSE3
+#      -O2 
 COMPILATION_FLAGS_O2 = -g -O0 -fbacktrace -C -Wall -fbounds-check
 # To be used only for development purposes
 COMPILATION_FLAGS_O1 = -g -O0 -fbacktrace -C -Wall -fbounds-check