* flow.c (find_unreachable_blocks): New function.

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

diff --git a/gcc/dependence.c b/gcc/dependence.c
index 141d9ac..3bfe34a 100644 (file)
--- a/gcc/dependence.c
+++ b/gcc/dependence.c
@@ -27,6 +27,7 @@ Boston, MA 02111-1307, USA.  */
 #include "system.h"
 
 #include "rtl.h"
+#include "expr.h"
 #include "tree.h"
 #include "c-common.h"
 #include "flags.h"
@@ -58,7 +59,7 @@ Boston, MA 02111-1307, USA.  */
    dependence to the dep_chain
 */
 
-enum dependence_type {flow, anti, output, none};
+enum dependence_type {dt_flow, dt_anti, dt_output, dt_none};
 #if 0
 static const char * dependence_string [] = {"flow", "anti", "output", "none"};
 #endif
@@ -756,23 +757,23 @@ check_node_dependence (du)
          dep_ptr->next = 0;
          
          if (def_ptr < use_ptr && use_ptr->type == use) 
-           dep_ptr->dependence = flow;
+           dep_ptr->dependence = dt_flow;
          else if (def_ptr > use_ptr && use_ptr->type == use)
-           dep_ptr->dependence = anti;
-         else dep_ptr->dependence = output;
+           dep_ptr->dependence = dt_anti;
+         else dep_ptr->dependence = dt_output;
 
          for (j = 1 ; j <= i - 1 ; j++)
            {
              if (direction[j][0] == gt)
                {
-                 dep_ptr->dependence = anti;
+                 dep_ptr->dependence = dt_anti;
                  direction[j][0] = lt;
                  distance[j][0] = -distance[j][0];
                  break;
                }
              else if (direction[j][0] == lt)
                {
-                 dep_ptr->dependence = flow;
+                 dep_ptr->dependence = dt_flow;
                  break;
                }
            }
@@ -796,7 +797,7 @@ check_node_dependence (du)
              dep_root_ptr = VARRAY_TOP (dep_chain, generic);
              dep_root_ptr->source = 0;
              dep_root_ptr->destination = def_ptr->expression;
-             dep_root_ptr->dependence = none;
+             dep_root_ptr->dependence = dt_none;
              dep_root_ptr->next = dep_ptr;
              def_ptr->dep = dep_ptr;
            }