Ulrich Drepper <drepper@cygnus.com>

Ulrich Drepper  <drepper@cygnus.com>
        * Makefile.in (OBJS): Add graph.o
        (graph.o): New dependency list.
        * flags.h: Declare dump_for_graph and define graph_dump_types type.
        * print-rtl.c (dump_for_graph): Define new variable.
        (print_rtx): Rewrite to allow use in graph dumping functions.
        * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
        finish_graph_dump_file.
        Define graph_dump_format.
        (compile_file): If graph dumping is enabled also clear these files.
        Finish graph dump files.
        (rest_of_compilation): Also dump graph information if enabled.
        (main): Recognize -dv to enabled VCG based graph dumping.
        * graph.c: New file.  Graph dumping functions.

From-SVN: r23813

1 files changed, 11 insertions, 0 deletions

diff --git a/gcc/flags.h b/gcc/flags.h
index 7c853d0b259..f25b0ba282e 100644
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -502,3 +502,14 @@ extern int current_function_is_thunk;
 /* Value of the -G xx switch, and whether it was passed or not.  */
 extern int g_switch_value;
 extern int g_switch_set;
+
+/* Nonzero if we dump in VCG format, not plain text.  */
+extern int dump_for_graph;
+
+/* Selection of the graph form.  */
+enum graph_dump_types
+{
+  no_graph = 0,
+  vcg
+};
+extern enum graph_dump_types graph_dump_format;