Launch dotty in background.

2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (dot_deps): Make system call to dotty run
	in background.
	(dot_deps_stmt): Same.
	* graphite-poly.c (dot_lst): Same.

From-SVN: r163115

gcc/ChangeLog

 2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-dependences.c (dot_deps): Make system call to dotty run
+	in background.
+	(dot_deps_stmt): Same.
+	* graphite-poly.c (dot_lst): Same.
+
+2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 	phi_arg_in_outermost_loop.
 	(remove_simple_copy_phi): Call phi_arg_in_outermost_loop.

gcc/ChangeLog.graphite

+2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* graphite-dependences.c (dot_deps): Make system call to dotty run
+	in background.
+	(dot_deps_stmt): Same.
+	* graphite-poly.c (dot_lst): Same.
+
 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass

gcc/graphite-dependences.c

@@ -964,7 +964,7 @@ dot_deps (scop_p scop)
   dot_deps_1 (stream, scop);
   fclose (stream);
 
-  x = system ("dotty /tmp/scopdeps.dot");
+  x = system ("dotty /tmp/scopdeps.dot &");
 #else
   dot_deps_1 (stderr, scop);
 #endif
@@ -985,7 +985,7 @@ dot_deps_stmt (scop_p scop)
   dot_deps_stmt_1 (stream, scop);
   fclose (stream);
 
-  x = system ("dotty /tmp/scopdeps.dot");
+  x = system ("dotty /tmp/scopdeps.dot &");
 #else
   dot_deps_stmt_1 (stderr, scop);
 #endif

gcc/graphite-poly.c

@@ -1285,7 +1285,7 @@ dot_lst (lst_p lst)
   fputs ("}\n\n", stream);
   fclose (stream);
 
-  x = system ("dotty /tmp/lst.dot");
+  x = system ("dotty /tmp/lst.dot &");
 #else
   fputs ("digraph all {\n", stderr);
   dot_lst_1 (stderr, lst);