expr.c (handled_component_p): Move ...

2009-04-20  Richard Guenther  <rguenther@suse.de>

	* expr.c (handled_component_p): Move ...
	* tree.h (handled_component_p): ... here.
	* tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
	ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
	and REALPART_EXPR to be in one group.

From-SVN: r146427

gcc/ChangeLog

 2009-04-20  Richard Guenther  <rguenther@suse.de>
 
+	* expr.c (handled_component_p): Move ...
+	* tree.h (handled_component_p): ... here.
+	* tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
+	ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
+	and REALPART_EXPR to be in one group.
+
+2009-04-20  Richard Guenther  <rguenther@suse.de>
+
 	* basic-block.h (get_all_dominated_blocks): Declare.
 	* dominance.c (get_all_dominated_blocks): New function.
 	* tree-cfg.c (get_all_dominated_blocks): Remove.

gcc/expr.c

@@ -6199,27 +6199,6 @@ component_ref_field_offset (tree exp)
   else
     return SUBSTITUTE_PLACEHOLDER_IN_EXPR (DECL_FIELD_OFFSET (field), exp);
 }
-
-/* Return 1 if T is an expression that get_inner_reference handles.  */
-
-int
-handled_component_p (const_tree t)
-{
-  switch (TREE_CODE (t))
-    {
-    case BIT_FIELD_REF:
-    case COMPONENT_REF:
-    case ARRAY_REF:
-    case ARRAY_RANGE_REF:
-    case VIEW_CONVERT_EXPR:
-    case REALPART_EXPR:
-    case IMAGPART_EXPR:
-      return 1;
-
-    default:
-      return 0;
-    }
-}
 
 /* Given an rtx VALUE that may contain additions and multiplications, return
    an equivalent value that just refers to a register, memory, or constant.

gcc/tree.def

@@ -383,6 +383,9 @@ DEFTREECODE (TRANSLATION_UNIT_DECL, "translation_unit_decl",\
 
 /* References to storage.  */
 
+/* The ordering of the following codes is optimized for the classification
+   in handled_component_p.  Keep them in a consecutive group.  */
+
 /* Value is structure or union component.
    Operand 0 is the structure or union (an expression).
    Operand 1 is the field (a node of type FIELD_DECL).
@@ -400,6 +403,23 @@ DEFTREECODE (COMPONENT_REF, "component_ref", tcc_reference, 3)
    to its mode width.  */
 DEFTREECODE (BIT_FIELD_REF, "bit_field_ref", tcc_reference, 3)
 
+/* Used only on an operand of complex type, these return
+   a value of the corresponding component type.  */
+DEFTREECODE (REALPART_EXPR, "realpart_expr", tcc_reference, 1)
+DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", tcc_reference, 1)
+
+/* Array indexing.
+   Operand 0 is the array; operand 1 is a (single) array index.
+   Operand 2, if present, is a copy of TYPE_MIN_VALUE of the index.
+   Operand 3, if present, is the element size, measured in units of
+   the alignment of the element type.  */
+DEFTREECODE (ARRAY_REF, "array_ref", tcc_reference, 4)
+
+/* Likewise, except that the result is a range ("slice") of the array.  The
+   starting index of the resulting array is taken from operand 1 and the size
+   of the range is taken from the type of the expression.  */
+DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", tcc_reference, 4)
+
 /* The ordering of the following codes is optimized for the checking
    macros in tree.h.  Changing the order will degrade the speed of the
    compiler.  INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF.  */
@@ -418,18 +438,6 @@ DEFTREECODE (ALIGN_INDIRECT_REF, "align_indirect_ref", tcc_reference, 1)
    or 0 if the alignment is unknown.  */
 DEFTREECODE (MISALIGNED_INDIRECT_REF, "misaligned_indirect_ref", tcc_reference, 2)
 
-/* Array indexing.
-   Operand 0 is the array; operand 1 is a (single) array index.
-   Operand 2, if present, is a copy of TYPE_MIN_VALUE of the index.
-   Operand 3, if present, is the element size, measured in units of
-   the alignment of the element type.  */
-DEFTREECODE (ARRAY_REF, "array_ref", tcc_reference, 4)
-
-/* Likewise, except that the result is a range ("slice") of the array.  The
-   starting index of the resulting array is taken from operand 1 and the size
-   of the range is taken from the type of the expression.  */
-DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", tcc_reference, 4)
-
 /* Used to represent lookup of runtime type dependent data.  Often this is
    a reference to a vtable, but it needn't be.  Operands are:
    OBJ_TYPE_REF_EXPR: An expression that evaluates the value to use.
@@ -806,11 +814,6 @@ DEFTREECODE (COMPLEX_EXPR, "complex_expr", tcc_binary, 2)
 /* Complex conjugate of operand.  Used only on complex types.  */
 DEFTREECODE (CONJ_EXPR, "conj_expr", tcc_unary, 1)
 
-/* Used only on an operand of complex type, these return
-   a value of the corresponding component type.  */
-DEFTREECODE (REALPART_EXPR, "realpart_expr", tcc_reference, 1)
-DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", tcc_reference, 1)
-
 /* Nodes for ++ and -- in C.
    The second arg is how much to increment or decrement by.
    For a pointer, it would be the size of the object pointed to.  */

gcc/tree.h

@@ -4503,7 +4503,24 @@ extern tree get_narrower (tree, int *);
 
 /* Return true if T is an expression that get_inner_reference handles.  */
 
-extern int handled_component_p (const_tree);
+static inline bool
+handled_component_p (const_tree t)
+{
+  switch (TREE_CODE (t))
+    {
+    case BIT_FIELD_REF:
+    case COMPONENT_REF:
+    case ARRAY_REF:
+    case ARRAY_RANGE_REF:
+    case VIEW_CONVERT_EXPR:
+    case REALPART_EXPR:
+    case IMAGPART_EXPR:
+      return true;
+
+    default:
+      return false;
+    }
+}
 
 /* Given an expression EXP that is a handled_component_p,
    look for the ultimate containing object, which is returned and specify