re PR tree-optimization/37388 ([graphite] No warn with "-O0 -fgraphite" when…

re PR tree-optimization/37388 ([graphite] No warn with "-O0 -fgraphite" when cloog or ppl are not present)

2008-09-10  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/37388
	* toplev.c (process_options): Fail and warn when graphite
	flags are used, but the compiler has not been configured
	with graphite libraries.
	* graphite.c (graphite_transform_loops): Remove printfs
	to dump_file for the case when graphite is not available.

From-SVN: r140232

gcc/ChangeLog

+2008-09-10  Sebastian Pop  <sebastian.pop@amd.com>
+
+	PR tree-optimization/37388
+	* toplev.c (process_options): Fail and warn when graphite
+	flags are used, but the compiler has not been configured
+	with graphite libraries.
+	* graphite.c (graphite_transform_loops): Remove printfs
+	to dump_file for the case when graphite is not available.
+
 2008-09-10  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/37434:

gcc/graphite.c

@@ -4800,12 +4800,6 @@ graphite_transform_loops (void)
 void
 graphite_transform_loops (void)
 {
-  if (dump_file && (dump_flags & TDF_DETAILS))
-    {
-      fprintf (dump_file, "Graphite loop optimizations cannot be used.\n");
-      fprintf (dump_file, "GCC has not been configured with the required "
-	       "libraries for Graphite loop optimizations.");
-    }
   sorry ("Graphite loop optimizations cannot be used");
 }
 

gcc/toplev.c

@@ -1703,6 +1703,14 @@ process_options (void)
   else
     aux_base_name = "gccaux";
 
+#ifndef HAVE_cloog
+  if (flag_graphite
+      || flag_loop_block
+      || flag_loop_interchange
+      || flag_loop_strip_mine)
+    sorry ("Graphite loop optimizations cannot be used");
+#endif
+
   /* Unrolling all loops implies that standard loop unrolling must also
      be done.  */
   if (flag_unroll_all_loops)