lra-constraints.c (process_alt_operands): Add checking alt number to choose the best alternative.

2013-05-02  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (process_alt_operands): Add checking alt
	number to choose the best alternative.

From-SVN: r198558

gcc/ChangeLog

+2013-05-02  Vladimir Makarov  <vmakarov@redhat.com>
+
+	* lra-constraints.c (process_alt_operands): Add checking alt
+	number to choose the best alternative.
+
 2013-05-02  Richard Biener  <rguenther@suse.de>
 
 	* tree-eh.c (cleanup_empty_eh_merge_phis): Remove rename_virts

gcc/lra-constraints.c

@@ -2197,7 +2197,9 @@ process_alt_operands (int only_alternative)
 			 number of reload regs.  */
 		      && (reload_nregs < best_reload_nregs
 			  || (reload_nregs == best_reload_nregs
-			      && best_reload_sum < reload_sum))))))
+			      && (best_reload_sum < reload_sum
+				  || (best_reload_sum == reload_sum
+				      && nalt < goal_alt_number))))))))
 	{
 	  for (nop = 0; nop < n_operands; nop++)
 	    {