re PR middle-end/25505 (gcc uses way too much stack space for this code)

2006-09-20  Josh Conner  <jconner@apple.com>

	PR middle-end/25505
	* calls.c (expand_call): Allow reuse of structure return stack
	temp.

From-SVN: r117091

gcc/ChangeLog

+2006-09-20  Josh Conner  <jconner@apple.com>
+
+	PR middle-end/25505
+	* calls.c (expand_call): Allow reuse of structure return stack
+	temp.
+
 2006-09-20  Paul Brook  <paul@codesourcery.com>
 
 	* config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for

gcc/calls.c

@@ -1985,7 +1985,7 @@ expand_call (tree exp, rtx target, int ignore)
 	    /* For variable-sized objects, we must be called with a target
 	       specified.  If we were to allocate space on the stack here,
 	       we would have no way of knowing when to free it.  */
-	    rtx d = assign_temp (TREE_TYPE (exp), 1, 1, 1);
+	    rtx d = assign_temp (TREE_TYPE (exp), 0, 1, 1);
 
 	    mark_temp_addr_taken (d);
 	    structure_value_addr = XEXP (d, 0);