function.c (assign_stack_local_1, [...]): Do not call gen_mode_alignment when mode is BLKmode.

	* function.c (assign_stack_local_1, assign_stack_temp_for_type):
	Do not call gen_mode_alignment when mode is BLKmode.

From-SVN: r35345

gcc/ChangeLog

+Sun Jul 30 20:25:21 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* function.c (assign_stack_local_1, assign_stack_temp_for_type): 
+	Do not call gen_mode_alignment when mode is BLKmode.
+
 Sun Jul 30 20:21:54 MET DST 2000  Jan Hubicka  <jh@suse.cz>
 
 	* loop.c (express_from_1): Fix call of simplify_gen_binary.

gcc/function.c

@@ -551,9 +551,10 @@ assign_stack_local_1 (mode, size, align, function)
     {
       tree type;
 
-      alignment = GET_MODE_ALIGNMENT (mode);
       if (mode == BLKmode)
 	alignment = BIGGEST_ALIGNMENT;
+      else
+        alignment = GET_MODE_ALIGNMENT (mode);
 
       /* Allow the target to (possibly) increase the alignment of this
 	 stack slot.  */
@@ -676,9 +677,10 @@ assign_stack_temp_for_type (mode, size, keep, type)
   else 
     alias_set = 0;
 
-  align = GET_MODE_ALIGNMENT (mode);
   if (mode == BLKmode)
     align = BIGGEST_ALIGNMENT;
+  else
+    align = GET_MODE_ALIGNMENT (mode);
 
   if (! type)
     type = type_for_mode (mode, 0);