Fixes warning

1 files changed, 3 insertions, 49 deletions

diff --git a/gcc/ipa-str-reorg-dead-field-eliminate.c b/gcc/ipa-str-reorg-dead-field-eliminate.c
index 0e89d6b83ea..c5f933951ed 100644
--- a/gcc/ipa-str-reorg-dead-field-eliminate.c
+++ b/gcc/ipa-str-reorg-dead-field-eliminate.c
@@ -538,32 +538,6 @@ rewrite_mem_ref (tree expr, hash_map<const_tree, const_tree> &type_map,
 }
 
 static bool
-rewrite_plus_expr_def (tree expr, hash_map<const_tree, const_tree> &type_map,
-		       const int indent);
-static bool
-rewrite_plus_expr (tree expr, hash_map<const_tree, const_tree> &type_map,
-		   const int indent)
-{
-  log_expr_prologue (indent, "rewrite_plux_expr", expr);
-  bool retval = rewrite_plus_expr_def (expr, type_map, indent + 4);
-  log_expr_epilogue (indent, "rewrite_plus_expr", expr);
-  return retval;
-}
-
-static bool
-rewrite_pointer_diff_def (tree expr, hash_map<const_tree, const_tree> &type_map,
-			  const int indent);
-static bool
-rewrite_pointer_diff (tree expr, hash_map<const_tree, const_tree> &type_map,
-		      const int indent)
-{
-  log_expr_prologue (indent, "rewrite_pointer_diff", expr);
-  bool retval = rewrite_pointer_diff_def (expr, type_map, indent + 4);
-  log_expr_epilogue (indent, "rewrite_pointer_diff", expr);
-  return retval;
-}
-
-static bool
 rewrite_pointer_plus_def (tree expr, hash_map<const_tree, const_tree> &type_map,
 			  const int indent);
 static bool
@@ -640,13 +614,13 @@ rewrite_expr_def (tree expr, hash_map<const_tree, const_tree> &type_map,
       retval = rewrite_bin_expr_default (expr, type_map, indent);
       break;
     case POINTER_DIFF_EXPR:
-      retval = rewrite_pointer_diff (expr, type_map, indent);
+      // not needed
       break;
     case POINTER_PLUS_EXPR:
       retval = rewrite_pointer_plus (expr, type_map, indent);
       break;
     case PLUS_EXPR:
-      retval = rewrite_plus_expr (expr, type_map, indent);
+      // not needed
       break;
     case SSA_NAME:
       retval = rewrite_ssa_name (expr, type_map, indent);
@@ -656,6 +630,7 @@ rewrite_expr_def (tree expr, hash_map<const_tree, const_tree> &type_map,
       break;
     default:
       {
+	//TODO: can we put an unreachable here?
 	enum tree_code code = TREE_CODE (expr);
 	test_log ("code = %s", indent, get_tree_code_name (code));
 	const_tree *new_type_ptr = type_map.get (TREE_TYPE (expr));
@@ -1781,27 +1756,6 @@ rewrite_pointer_plus_def (tree expr, hash_map<const_tree, const_tree> &type_map,
 }
 
 static bool
-rewrite_plus_expr_def (tree expr, hash_map<const_tree, const_tree> &type_map,
-		       const int indent)
-{
-  gcc_assert (expr);
-  gcc_assert (TREE_CODE (expr) == PLUS_EXPR);
-  gcc_unreachable ();
-  const char *old_expr = print_generic_expr_to_str (expr);
-  bool retval = rewrite_bin_expr_default (expr, type_map, indent);
-  return retval;
-}
-
-static bool
-rewrite_pointer_diff_def (tree expr, hash_map<const_tree, const_tree> &type_map,
-			  const int indent)
-{
-  gcc_unreachable ();
-  bool retval = false;
-  return retval;
-}
-
-static bool
 rewrite_array_ref_def (tree expr, hash_map<const_tree, const_tree> &type_map,
 		       const int indent)
 {