2006-01-25 Paolo Bonzini <bonzini@gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / cfg.c

diff --git a/gcc/cfg.c b/gcc/cfg.c
index 7b2a30f..feac79b 100644 (file)
--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -62,6 +62,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 #include "tm_p.h"
 #include "obstack.h"
 #include "timevar.h"
+#include "tree-pass.h"
 #include "ggc.h"
 #include "hashtab.h"
 #include "alloc-pool.h"
@@ -467,11 +468,75 @@ check_bb_profile (basic_block bb, FILE * file)
     }
 }
 \f
+/* Emit basic block information for BB.  HEADER is true if the user wants
+   the generic information and the predecessors, FOOTER is true if they want
+   the successors.  FLAGS is the dump flags of interest; TDF_DETAILS emit
+   global register liveness information.  PREFIX is put in front of every
+   line.  The output is emitted to FILE.  */
+void
+dump_bb_info (basic_block bb, bool header, bool footer, int flags,
+             const char *prefix, FILE *file)
+{
+  edge e;
+  edge_iterator ei;
+
+  if (header)
+    {
+      fprintf (file, "\n%sBasic block %d ", prefix, bb->index);
+      if (bb->prev_bb)
+        fprintf (file, ", prev %d", bb->prev_bb->index);
+      if (bb->next_bb)
+        fprintf (file, ", next %d", bb->next_bb->index);
+      fprintf (file, ", loop_depth %d, count ", bb->loop_depth);
+      fprintf (file, HOST_WIDEST_INT_PRINT_DEC, bb->count);
+      fprintf (file, ", freq %i", bb->frequency);
+      if (maybe_hot_bb_p (bb))
+       fprintf (file, ", maybe hot");
+      if (probably_never_executed_bb_p (bb))
+       fprintf (file, ", probably never executed");
+      fprintf (file, ".\n");
+
+      fprintf (file, "%sPredecessors: ", prefix);
+      FOR_EACH_EDGE (e, ei, bb->preds)
+       dump_edge_info (file, e, 0);
+   }
+
+  if (footer)
+    {
+      fprintf (file, "\n%sSuccessors: ", prefix);
+      FOR_EACH_EDGE (e, ei, bb->succs)
+       dump_edge_info (file, e, 1);
+   }
+
+  if ((flags & TDF_DETAILS)
+      && (bb->flags & BB_RTL))
+    {
+      if (bb->il.rtl->global_live_at_start && header)
+       {
+         fprintf (file, "\n%sRegisters live at start:", prefix);
+         dump_regset (bb->il.rtl->global_live_at_start, file);
+       }
+
+      if (bb->il.rtl->global_live_at_end && footer)
+       {
+         fprintf (file, "\n%sRegisters live at end:", prefix);
+         dump_regset (bb->il.rtl->global_live_at_end, file);
+       }
+   }
+
+  putc ('\n', file);
+}
+
 void
 dump_flow_info (FILE *file)
 {
   basic_block bb;
 
+  if (file == dump_file
+      && (dump_flags & TDF_SLIM)
+      && !(dump_flags & TDF_DETAILS))
+    return;
+
   /* There are no pseudo registers after reload.  Don't dump them.  */
   if (reg_n_info && !reload_completed)
     {
@@ -524,45 +589,7 @@ dump_flow_info (FILE *file)
   fprintf (file, "\n%d basic blocks, %d edges.\n", n_basic_blocks, n_edges);
   FOR_EACH_BB (bb)
     {
-      edge e;
-      edge_iterator ei;
-
-      fprintf (file, "\nBasic block %d ", bb->index);
-      fprintf (file, "prev %d, next %d, ",
-              bb->prev_bb->index, bb->next_bb->index);
-      fprintf (file, "loop_depth %d, count ", bb->loop_depth);
-      fprintf (file, HOST_WIDEST_INT_PRINT_DEC, bb->count);
-      fprintf (file, ", freq %i", bb->frequency);
-      if (maybe_hot_bb_p (bb))
-       fprintf (file, ", maybe hot");
-      if (probably_never_executed_bb_p (bb))
-       fprintf (file, ", probably never executed");
-      fprintf (file, ".\n");
-
-      fprintf (file, "Predecessors: ");
-      FOR_EACH_EDGE (e, ei, bb->preds)
-       dump_edge_info (file, e, 0);
-
-      fprintf (file, "\nSuccessors: ");
-      FOR_EACH_EDGE (e, ei, bb->succs)
-       dump_edge_info (file, e, 1);
-
-      if (bb->flags & BB_RTL)
-       {
-         if (bb->il.rtl->global_live_at_start)
-           {
-             fprintf (file, "\nRegisters live at start:");
-             dump_regset (bb->il.rtl->global_live_at_start, file);
-           }
-
-         if (bb->il.rtl->global_live_at_end)
-           {
-             fprintf (file, "\nRegisters live at end:");
-             dump_regset (bb->il.rtl->global_live_at_end, file);
-           }
-       }
-
-      putc ('\n', file);
+      dump_bb_info (bb, true, true, TDF_DETAILS, "", file);
       check_bb_profile (bb, file);
     }