(assign_parms): Use expr_size when appropriate.

From-SVN: r7228

diff --git a/gcc/function.c b/gcc/function.c
index cc9fa5061623ab2e3d99383a353675eec49d3f16..596916260f317685822d5254f606f06c0acd670b 100644 (file)
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -3546,21 +3546,14 @@ assign_parms (fndecl, second_time)
 
              if (TYPE_SIZE (type) == 0
                  || TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST)
-               {
-                 /* This is a variable sized object.  */
-                 /* ??? Can we use expr_size here?  */
-                 rtx size_rtx = expand_expr (size_in_bytes (type), NULL_RTX,
-                                             TYPE_MODE (sizetype), 0);
-
-                 copy = gen_rtx (MEM, BLKmode,
-                                 allocate_dynamic_stack_space (size_rtx, NULL_RTX,
-                                                               TYPE_ALIGN (type)));
-               }
+               /* This is a variable sized object.  */
+               copy = gen_rtx (MEM, BLKmode,
+                               allocate_dynamic_stack_space
+                               (expand_size (parm), NULL_RTX,
+                                TYPE_ALIGN (type)));
              else
-               {
-                 int size = int_size_in_bytes (type);
-                 copy = assign_stack_temp (TYPE_MODE (type), size, 1);
-               }
+               copy = assign_stack_temp (TYPE_MODE (type),
+                                         int_size_in_bytes (type), 1);
 
              store_expr (parm, copy, 0);
              emit_move_insn (parmreg, XEXP (copy, 0));