sparc.c (function_arg_slotno): In 64-bit mode...

	* config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
	the slot on an even boundary for any type with 16-byte alignment.

From-SVN: r105524

gcc/ChangeLog

+2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	* config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
+	the slot on an even boundary for any type with 16-byte alignment.
+
 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
 
 	PR target/23424

gcc/config/sparc/sparc.c

@@ -4443,7 +4443,7 @@ function_arg_slotno (const struct sparc_args *cum, enum machine_mode mode,
 
   /* For SPARC64, objects requiring 16-byte alignment get it.  */
   if (TARGET_ARCH64
-      && GET_MODE_ALIGNMENT (mode) >= 2 * BITS_PER_WORD
+      && (type ? TYPE_ALIGN (type) : GET_MODE_ALIGNMENT (mode)) >= 128
       && (slotno & 1) != 0)
     slotno++, *ppadding = 1;
 
@@ -4503,13 +4503,6 @@ function_arg_slotno (const struct sparc_args *cum, enum machine_mode mode,
 
       gcc_assert (mode == BLKmode);
 
-      /* For SPARC64, objects requiring 16-byte alignment get it.  */
-      if (TARGET_ARCH64
-	  && type
-	  && TYPE_ALIGN (type) >= 2 * BITS_PER_WORD
-	  && (slotno & 1) != 0)
-	slotno++, *ppadding = 1;
-
       if (TARGET_ARCH32 || !type || (TREE_CODE (type) == UNION_TYPE))
 	{
 	  if (slotno >= SPARC_INT_ARG_MAX)