diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index ffed3aa..ce8d5bf 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -914,7 +914,7 @@ BUILD_LIBDEPS= $(BUILD_LIBIBERTY)
 # How to link with both our special library facilities
 # and the system's installed libraries.
 LIBS = @LIBS@ $(CPPLIB) $(LIBINTL) $(LIBICONV) $(LIBIBERTY) $(LIBDECNUMBER)
-BACKENDLIBS = $(CLOOGLIBS) $(PPLLIBS) $(GMPLIBS)
+BACKENDLIBS = $(GMPLIBS) $(if $(CLOOGLIBS),@DL_LIB@)
 # Any system libraries needed just for GNAT.
 SYSLIBS = @GNAT_LIBEXC@
 
@@ -3061,6 +3061,9 @@ $(out_object_file): $(out_file) $(CONFIG_H) coretypes.h $(TM_H) $(TREE_H) \
 	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
 		$(out_file) $(OUTPUT_OPTION)
 
+graphite.o : \
+  ALL_CFLAGS := -O $(filter-out -fkeep-inline-functions, $(ALL_CFLAGS))
+
 # Build auxiliary files that support ecoff format.
 mips-tfile: mips-tfile.o version.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ mips-tfile.o version.o $(LIBS)
diff --git a/gcc/configure b/gcc/configure
index 119b70d..f6b2950 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -458,7 +458,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical build_libsubdir build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT GNATBIND ac_ct_GNATBIND GNATMAKE ac_ct_GNATMAKE NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP EGREP loose_warn strict_warn warn_cflags nocommon_flag TREEBROWSER valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_decimal_float enable_fixed_point enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep PKGVERSION REPORT_BUGS_TO REPORT_BUGS_TEXI datarootdir docdir htmldir SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LTLIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file extra_opt_files USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS BUILD_LDFLAGS STMP_FIXINC STMP_FIXPROTO collect2 LIBTOOL SED FGREP GREP LD DUMPBIN ac_ct_DUMPBIN OBJDUMP ac_ct_OBJDUMP ac_ct_AR STRIP ac_ct_STRIP lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 objdir enable_fast_install gcc_cv_as ORIGINAL_AS_FOR_TARGET gcc_cv_ld ORIGINAL_LD_FOR_TARGET gcc_cv_nm ORIGINAL_NM_FOR_TARGET gcc_cv_objdump gcc_cv_readelf libgcc_visibility GGC zlibdir zlibinc MAINT gcc_tooldir dollar slibdir subdirs srcdir all_compilers all_gtfiles all_lang_makefrags all_lang_makefiles all_languages all_selected_languages build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines build_file_translate check_languages cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs fortran_target_objs target_cpu_default GMPLIBS GMPINC PPLLIBS PPLINC CLOOGLIBS CLOOGINC LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical build_libsubdir build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT GNATBIND ac_ct_GNATBIND GNATMAKE ac_ct_GNATMAKE NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP EGREP loose_warn strict_warn warn_cflags nocommon_flag TREEBROWSER valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_decimal_float enable_fixed_point enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep PKGVERSION REPORT_BUGS_TO REPORT_BUGS_TEXI datarootdir docdir htmldir SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LTLIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file extra_opt_files USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS BUILD_LDFLAGS STMP_FIXINC STMP_FIXPROTO collect2 LIBTOOL SED FGREP GREP LD DUMPBIN ac_ct_DUMPBIN OBJDUMP ac_ct_OBJDUMP ac_ct_AR STRIP ac_ct_STRIP lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 objdir enable_fast_install gcc_cv_as ORIGINAL_AS_FOR_TARGET gcc_cv_ld ORIGINAL_LD_FOR_TARGET gcc_cv_nm ORIGINAL_NM_FOR_TARGET gcc_cv_objdump gcc_cv_readelf libgcc_visibility GGC zlibdir zlibinc MAINT gcc_tooldir dollar slibdir subdirs srcdir all_compilers all_gtfiles all_lang_makefrags all_lang_makefiles all_languages all_selected_languages build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines build_file_translate check_languages cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs fortran_target_objs target_cpu_default GMPLIBS GMPINC PPLLIBS PPLINC CLOOGLIBS CLOOGINC DL_LIB LIBOBJS LTLIBOBJS'
 ac_subst_files='language_hooks'
 ac_pwd=`pwd`
 
@@ -24839,6 +24839,142 @@ _ACEOF
 
 fi
 
+# Check how to dlopen
+DL_LIB=
+saved_LIBS="$LIBS"
+echo "$as_me:$LINENO: checking for library containing dlopen" >&5
+echo $ECHO_N "checking for library containing dlopen... $ECHO_C" >&6
+if test "${ac_cv_search_dlopen+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+ac_cv_search_dlopen=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
+int
+main ()
+{
+dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_dlopen="none required"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+if test "$ac_cv_search_dlopen" = no; then
+  for ac_lib in dl; do
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
+int
+main ()
+{
+dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_dlopen="-l$ac_lib"
+break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+  done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_search_dlopen" >&5
+echo "${ECHO_T}$ac_cv_search_dlopen" >&6
+if test "$ac_cv_search_dlopen" != no; then
+  test "$ac_cv_search_dlopen" = "none required" || LIBS="$ac_cv_search_dlopen $LIBS"
+
+fi
+
+case $ac_cv_search_dlopen in
+    no*) ;;
+      *) DL_LIB=$ac_cv_search_dlopen ;;
+esac
+
+LIBS=$saved_LIBS
+
 # Configure the subdirectories
 # AC_CONFIG_SUBDIRS($subdirs)
 
@@ -25684,6 +25820,7 @@ s,@PPLLIBS@,$PPLLIBS,;t t
 s,@PPLINC@,$PPLINC,;t t
 s,@CLOOGLIBS@,$CLOOGLIBS,;t t
 s,@CLOOGINC@,$CLOOGINC,;t t
+s,@DL_LIB@,$DL_LIB,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t
 s,@LTLIBOBJS@,$LTLIBOBJS,;t t
 /@language_hooks@/r $language_hooks
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 9737d1a..dd41f11 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -3990,6 +3990,17 @@ if test "x${CLOOGLIBS}" != "x" ; then
    AC_DEFINE(HAVE_cloog, 1, [Define if cloog is in use.])
 fi
 
+# Check how to dlopen
+DL_LIB=
+saved_LIBS="$LIBS"
+AC_SEARCH_LIBS([dlopen], [dl])
+case $ac_cv_search_dlopen in
+    no*) ;;
+      *) DL_LIB=$ac_cv_search_dlopen ;;
+esac
+AC_SUBST(DL_LIB)
+LIBS=$saved_LIBS
+
 # Configure the subdirectories
 # AC_CONFIG_SUBDIRS($subdirs)
 
diff --git a/gcc/graphite.c b/gcc/graphite.c
index b732b40..798b141 100644
--- a/gcc/graphite.c
+++ b/gcc/graphite.c
@@ -59,6 +59,110 @@ along with GCC; see the file COPYING3.  If not see
 #include "cloog/cloog.h"
 #include "graphite.h"
 
+#include <dlfcn.h>
+#define DYNSYMS \
+  DYNSYM (cloog_block_alloc); \
+  DYNSYM (cloog_block_list_free); \
+  DYNSYM (cloog_block_list_malloc); \
+  DYNSYM (cloog_clast_create); \
+  DYNSYM (cloog_clast_free); \
+  DYNSYM (cloog_domain_free); \
+  DYNSYM (cloog_domain_matrix2domain); \
+  DYNSYM (cloog_initialize); \
+  DYNSYM (cloog_loop_malloc); \
+  DYNSYM (cloog_matrix_alloc); \
+  DYNSYM (cloog_matrix_copy); \
+  DYNSYM (cloog_matrix_free); \
+  DYNSYM (cloog_matrix_print); \
+  DYNSYM (cloog_names_malloc); \
+  DYNSYM (cloog_names_scalarize); \
+  DYNSYM (cloog_options_free); \
+  DYNSYM (cloog_options_malloc); \
+  DYNSYM (cloog_program_dump_cloog); \
+  DYNSYM (cloog_program_extract_scalars); \
+  DYNSYM (cloog_program_free); \
+  DYNSYM (cloog_program_generate); \
+  DYNSYM (cloog_program_malloc); \
+  DYNSYM (cloog_program_print); \
+  DYNSYM (cloog_program_scatter); \
+  DYNSYM (cloog_statement_alloc); \
+  DYNSYM (ppl_finalize); \
+  DYNSYM (pprint); \
+  DYNSYM (stmt_block); \
+  DYNSYM (stmt_for); \
+  DYNSYM (stmt_guard); \
+  DYNSYM (stmt_root); \
+  DYNSYM (stmt_user);
+static struct
+{
+  bool inited;
+  void *h;
+#define DYNSYM(x) __typeof (x) *p_##x
+  DYNSYMS
+#undef DYNSYM
+} cloog_pointers;
+
+#define cloog_block_alloc (*cloog_pointers.p_cloog_block_alloc)
+#define cloog_block_list_free (*cloog_pointers.p_cloog_block_list_free)
+#define cloog_block_list_malloc (*cloog_pointers.p_cloog_block_list_malloc)
+#define cloog_clast_create (*cloog_pointers.p_cloog_clast_create)
+#define cloog_clast_free (*cloog_pointers.p_cloog_clast_free)
+#define cloog_domain_free (*cloog_pointers.p_cloog_domain_free)
+#define cloog_domain_matrix2domain (*cloog_pointers.p_cloog_domain_matrix2domain)
+#define cloog_initialize (*cloog_pointers.p_cloog_initialize)
+#define cloog_loop_malloc (*cloog_pointers.p_cloog_loop_malloc)
+#define cloog_matrix_alloc (*cloog_pointers.p_cloog_matrix_alloc)
+#define cloog_matrix_copy (*cloog_pointers.p_cloog_matrix_copy)
+#define cloog_matrix_free (*cloog_pointers.p_cloog_matrix_free)
+#define cloog_matrix_print (*cloog_pointers.p_cloog_matrix_print)
+#define cloog_names_malloc (*cloog_pointers.p_cloog_names_malloc)
+#define cloog_names_scalarize (*cloog_pointers.p_cloog_names_scalarize)
+#define cloog_options_free (*cloog_pointers.p_cloog_options_free)
+#define cloog_options_malloc (*cloog_pointers.p_cloog_options_malloc)
+#define cloog_program_dump_cloog (*cloog_pointers.p_cloog_program_dump_cloog)
+#define cloog_program_extract_scalars (*cloog_pointers.p_cloog_program_extract_scalars)
+#define cloog_program_free (*cloog_pointers.p_cloog_program_free)
+#define cloog_program_generate (*cloog_pointers.p_cloog_program_generate)
+#define cloog_program_malloc (*cloog_pointers.p_cloog_program_malloc)
+#define cloog_program_print (*cloog_pointers.p_cloog_program_print)
+#define cloog_program_scatter (*cloog_pointers.p_cloog_program_scatter)
+#define cloog_statement_alloc (*cloog_pointers.p_cloog_statement_alloc)
+#define ppl_finalize (*cloog_pointers.p_ppl_finalize)
+#define pprint (*cloog_pointers.p_pprint)
+#define stmt_block (*cloog_pointers.p_stmt_block)
+#define stmt_for (*cloog_pointers.p_stmt_for)
+#define stmt_guard (*cloog_pointers.p_stmt_guard)
+#define stmt_root (*cloog_pointers.p_stmt_root)
+#define stmt_user (*cloog_pointers.p_stmt_user)
+
+#define cloog_finalize (*cloog_pointers.p_ppl_finalize)
+
+static bool
+init_cloog_pointers (void)
+{
+  void *h;
+
+  if (cloog_pointers.inited)
+    return cloog_pointers.h != NULL;
+  h = dlopen ("libcloog.so.0", RTLD_LAZY);
+  cloog_pointers.h = h;
+  if (h == NULL)
+    return false;
+#define DYNSYM(x) \
+  do \
+    { \
+      union { __typeof (cloog_pointers.p_##x) p; void *q; } u; \
+      u.q = dlsym (h, #x); \
+      if (u.q == NULL) \
+	return false; \
+      cloog_pointers.p_##x = u.p; \
+    } \
+  while (0)
+  DYNSYMS
+#undef DYNSYM
+  return true;
+}
+
 static VEC (scop_p, heap) *current_scops;
 
 /* Converts a GMP constant V to a tree and returns it.  */
@@ -4075,10 +4179,10 @@ clast_get_body_of_loop (struct clast_stmt *stmt)
    STMT.  */
 
 static tree
-gcc_type_for_iv_of_clast_loop (struct clast_for *stmt_for)
+gcc_type_for_iv_of_clast_loop (struct clast_for *stmt_fora)
 {
-  struct clast_user_stmt *stmt = clast_get_body_of_loop ((struct clast_stmt *) stmt_for);
-  const char *cloog_iv = stmt_for->iterator;
+  struct clast_user_stmt *stmt = clast_get_body_of_loop ((struct clast_stmt *) stmt_fora);
+  const char *cloog_iv = stmt_fora->iterator;
   CloogStatement *cs = stmt->statement;
   graphite_bb_p gbb = (graphite_bb_p) cloog_statement_usr (cs);
 
@@ -6109,6 +6213,12 @@ graphite_transform_loops (void)
   if (number_of_loops () <= 1)
     return;
 
+  if (!init_cloog_pointers ())
+    {
+      sorry ("Graphite loop optimizations cannot be used");
+      return;
+    }
+
   current_scops = VEC_alloc (scop_p, heap, 3);
   recompute_all_dominators ();