re PR middle-end/32940 (REG_POINTER attribute on DECL_ARTIFICIAL pointers)

2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/32940
        * cfgexpand.c  (expand_one_register_var): Mark pointer
        DECL_ARTIFICIAL as REG_POINTER also.
        * stmt.c (expand_decl): Likewise.

From-SVN: r127634

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6fd288498b8219b53d405e7633c51bf116631d72..88d9e7a23d92293ddcf34c8e5bfc8e39307e22fa 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       PR middle-end/32940
+       * cfgexpand.c  (expand_one_register_var): Mark pointer
+       DECL_ARTIFICIAL as REG_POINTER also.
+       * stmt.c (expand_decl): Likewise.
+
 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
 
        Fix PR 32772

diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index d5a1e885922916412388308c446c881c6ef1f015..6031fda7c7246e63e013e33c78d98837caa9cea5 100644 (file)
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -673,18 +673,10 @@ expand_one_register_var (tree var)
 
   /* Note if the object is a user variable.  */
   if (!DECL_ARTIFICIAL (var))
-    {
       mark_user_reg (x);
 
-      /* Trust user variables which have a pointer type to really
-        be pointers.  Do not trust compiler generated temporaries
-        as our type system is totally busted as it relates to
-        pointer arithmetic which translates into lots of compiler
-        generated objects with pointer types, but which are not really
-        pointers.  */
-      if (POINTER_TYPE_P (type))
-       mark_reg_pointer (x, TYPE_ALIGN (TREE_TYPE (TREE_TYPE (var))));
-    }
+  if (POINTER_TYPE_P (type))
+    mark_reg_pointer (x, TYPE_ALIGN (TREE_TYPE (TREE_TYPE (var))));
 }
 
 /* A subroutine of expand_one_var.  Called to assign rtl to a VAR_DECL that

diff --git a/gcc/stmt.c b/gcc/stmt.c
index cb4b1bd19e3454c54543dd2fe17ea2f1cf9a7ac3..7192dcaf29195e81dab8fe4abf7fe178d72fa581 100644 (file)
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1898,19 +1898,11 @@ expand_decl (tree decl)
 
       /* Note if the object is a user variable.  */
       if (!DECL_ARTIFICIAL (decl))
-       {
          mark_user_reg (DECL_RTL (decl));
 
-         /* Trust user variables which have a pointer type to really
-            be pointers.  Do not trust compiler generated temporaries
-            as our type system is totally busted as it relates to
-            pointer arithmetic which translates into lots of compiler
-            generated objects with pointer types, but which are not really
-            pointers.  */
-         if (POINTER_TYPE_P (type))
-           mark_reg_pointer (DECL_RTL (decl),
-                             TYPE_ALIGN (TREE_TYPE (TREE_TYPE (decl))));
-       }
+      if (POINTER_TYPE_P (type))
+       mark_reg_pointer (DECL_RTL (decl),
+                         TYPE_ALIGN (TREE_TYPE (TREE_TYPE (decl))));
     }
 
   else if (TREE_CODE (DECL_SIZE_UNIT (decl)) == INTEGER_CST