X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ftree-ssa.c;h=f7306b1833dda5b7bc8f48b6c8fc0089c65a80f4;hb=9ec0fbe12f5d88044672d79ff164eff1d2ec3f94;hp=5a67aa8273e80dd53aaa5ceaae4ac46ffe2b7193;hpb=250845799e5d4cd9589711ba28ecf73e6fac3287;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index 5a67aa8273e..f7306b1833d 100644
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -1117,12 +1117,8 @@ useless_type_conversion_p_1 (tree outer_type, tree inner_type)
 	      != get_alias_set (TREE_TYPE (outer_type))))
 	return false;
 
-      /* Do not lose casts from const qualified to non-const
-	 qualified.  */
-      if ((TYPE_READONLY (TREE_TYPE (outer_type))
-	   != TYPE_READONLY (TREE_TYPE (inner_type)))
-	  && TYPE_READONLY (TREE_TYPE (inner_type)))
-	return false;
+      /* We do not care for const qualification of the pointed-to types
+	 as const qualification has no semantic value to the middle-end.  */
 
       /* Do not lose casts to restrict qualified pointers.  */
       if ((TYPE_RESTRICT (outer_type)
@@ -1530,8 +1526,10 @@ gate_warn_uninitialized (void)
   return warn_uninitialized != 0;
 }
 
-struct tree_opt_pass pass_early_warn_uninitialized =
+struct gimple_opt_pass pass_early_warn_uninitialized =
 {
+ {
+  GIMPLE_PASS,
   NULL,					/* name */
   gate_warn_uninitialized,		/* gate */
   execute_early_warn_uninitialized,	/* execute */
@@ -1543,12 +1541,14 @@ struct tree_opt_pass pass_early_warn_uninitialized =
   0,					/* properties_provided */
   0,					/* properties_destroyed */
   0,					/* todo_flags_start */
-  0,                                    /* todo_flags_finish */
-  0				        /* letter */
+  0                                     /* todo_flags_finish */
+ }
 };
 
-struct tree_opt_pass pass_late_warn_uninitialized =
+struct gimple_opt_pass pass_late_warn_uninitialized =
 {
+ {
+  GIMPLE_PASS,
   NULL,					/* name */
   gate_warn_uninitialized,		/* gate */
   execute_late_warn_uninitialized,	/* execute */
@@ -1560,8 +1560,8 @@ struct tree_opt_pass pass_late_warn_uninitialized =
   0,					/* properties_provided */
   0,					/* properties_destroyed */
   0,					/* todo_flags_start */
-  0,                                    /* todo_flags_finish */
-  0				        /* letter */
+  0                                     /* todo_flags_finish */
+ }
 };
 
 /* Compute TREE_ADDRESSABLE for local variables.  */
@@ -1643,8 +1643,10 @@ execute_update_addresses_taken (void)
   return 0;
 }
 
-struct tree_opt_pass pass_update_address_taken =
+struct gimple_opt_pass pass_update_address_taken =
 {
+ {
+  GIMPLE_PASS,
   "addressables",			/* name */
   NULL,					/* gate */
   execute_update_addresses_taken,	/* execute */
@@ -1656,6 +1658,6 @@ struct tree_opt_pass pass_update_address_taken =
   0,					/* properties_provided */
   0,					/* properties_destroyed */
   0,					/* todo_flags_start */
-  TODO_update_ssa,                      /* todo_flags_finish */
-  0				        /* letter */
+  TODO_update_ssa                       /* todo_flags_finish */
+ }
 };