treestruct.def (TS_STRUCT_FIELD_TAG): Remove.

2008-05-15  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html

	* treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
	* tree-ssa-alias.c (new_type_alias): Remove references to
	sub-variables from comment.
	* tree-ssa-operands.c (swap_tree_operands): Likewise.

From-SVN: r135357

gcc/ChangeLog

+2008-05-15  Diego Novillo  <dnovillo@google.com>
+
+	http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
+
+	* treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
+	* tree-ssa-alias.c (new_type_alias): Remove references to
+	sub-variables from comment.
+	* tree-ssa-operands.c (swap_tree_operands): Likewise.
+
 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra

gcc/tree-ssa-alias.c

@@ -3408,12 +3408,12 @@ add_may_alias_for_new_tag (tree tag, tree var)
   return tag;
 }
 
-/* Create a new symbol tag for PTR.  Construct the may-alias list of this type
-   tag so that it has the aliasing of VAR, or of the relevant subvars of VAR
-   according to the location accessed by EXPR.
+/* Create a new symbol tag for PTR.  Construct the may-alias list of
+   this type tag so that it has the aliasing of VAR according to the
+   location accessed by EXPR.
 
-   Note, the set of aliases represented by the new symbol tag are not marked
-   for renaming.  */
+   Note, the set of aliases represented by the new symbol tag are not
+   marked for renaming.  */
 
 void
 new_type_alias (tree ptr, tree var, tree expr)

gcc/tree-ssa-operands.c

@@ -2551,9 +2551,7 @@ swap_tree_operands (tree stmt, tree *exp0, tree *exp1)
 /* Add the base address of REF to the set *ADDRESSES_TAKEN.  If
    *ADDRESSES_TAKEN is NULL, a new set is created.  REF may be
    a single variable whose address has been taken or any other valid
-   GIMPLE memory reference (structure reference, array, etc).  If the
-   base address of REF is a decl that has sub-variables, also add all
-   of its sub-variables.  */
+   GIMPLE memory reference (structure reference, array, etc).  */
 
 void
 add_to_addressable_set (tree ref, bitmap *addresses_taken)

gcc/treestruct.def

@@ -62,6 +62,5 @@ DEFTREESTRUCT(TS_GIMPLE_STATEMENT, "gimple statement")
 DEFTREESTRUCT(TS_VALUE_HANDLE, "value handle")
 DEFTREESTRUCT(TS_CONSTRUCTOR, "constructor")
 DEFTREESTRUCT(TS_MEMORY_TAG, "memory tag")
-DEFTREESTRUCT(TS_STRUCT_FIELD_TAG, "struct field tag")
 DEFTREESTRUCT(TS_OMP_CLAUSE, "omp clause")
 DEFTREESTRUCT(TS_MEMORY_PARTITION_TAG, "memory partition tag")