function.c (assign_parm_setup_block): When creating a new stack slot for a parameter...

	* function.c (assign_parm_setup_block): When creating a new stack slot
	for a parameter, get its alignment from the parameter's DECL_ALIGN
	rather than the type's TYPE_ALIGN.  Make sure that the parameter
	is at least word aligned.

From-SVN: r94104

gcc/ChangeLog

+2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
+
+	* function.c (assign_parm_setup_block): When creating a new stack slot
+	for a parameter, get its alignment from the parameter's DECL_ALIGN
+	rather than the type's TYPE_ALIGN.  Make sure that the parameter
+	is at least word aligned.
+
 2005-01-22  Roger Sayle  <roger@eyesopen.com>
 
 	PR middle-end/19378

gcc/function.c

@@ -2608,8 +2608,9 @@ assign_parm_setup_block (struct assign_parm_data_all *all,
   size_stored = CEIL_ROUND (size, UNITS_PER_WORD);
   if (stack_parm == 0)
     {
+      DECL_ALIGN (parm) = MAX (DECL_ALIGN (parm), BITS_PER_WORD);
       stack_parm = assign_stack_local (BLKmode, size_stored,
-				       TYPE_ALIGN (data->passed_type));
+				       DECL_ALIGN (parm));
       if (GET_MODE_SIZE (GET_MODE (entry_parm)) == size)
 	PUT_MODE (stack_parm, GET_MODE (entry_parm));
       set_mem_attributes (stack_parm, parm, 1);