re PR fortran/29779 (vectorizer fortran testcases failing)

2006-12-18  Andrew Pinski  <pinskia@gmail.com>

        PR target/29779
        * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
        READONLY on __builtin_altivec_mask_for_load instead of adding
        the attribute.

From-SVN: r120045

gcc/ChangeLog

+2006-12-18  Andrew Pinski  <pinskia@gmail.com>
+
+	PR target/29779
+	* config/rs6000/rs6000.c (altivec_init_builtins): Change to set
+	READONLY on __builtin_altivec_mask_for_load instead of adding
+	the attribute.
+
 2006-12-18  Roger Sayle  <roger@eyesopen.com>
 	    Eric Christopher  <echristo@apple.com>
 

gcc/config/rs6000/rs6000.c

@@ -8802,9 +8802,8 @@ altivec_init_builtins (void)
       decl = add_builtin_function ("__builtin_altivec_mask_for_load",
 				   v16qi_ftype_long_pcvoid,
 				   ALTIVEC_BUILTIN_MASK_FOR_LOAD,
-				   BUILT_IN_MD, NULL,
-				   tree_cons (get_identifier ("const"),
-					      NULL_TREE, NULL_TREE));
+				   BUILT_IN_MD, NULL, NULL_TREE);
+      TREE_READONLY (decl) = 1;
       /* Record the decl. Will be used by rs6000_builtin_mask_for_load.  */
       altivec_builtin_mask_for_load = decl;
     }