Changed cost for loading QImode using movzbl.

2011-10-14  Yakovlev Vladimir  <vladimir.b.yakovlev@intel.com>

	* config/i386/i386.c (atom_cost): Changed cost for loading
	QImode using movzbl.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179999 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog

+2011-10-14  Yakovlev Vladimir  <vladimir.b.yakovlev@intel.com>
+
+	* config/i386/i386.c (atom_cost): Changed cost for loading
+	QImode using movzbl.
+
 2011-10-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
 	* config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo in my

gcc/config/i386/i386.c

@@ -1672,7 +1672,7 @@ struct processor_costs atom_cost = {
   COSTS_N_INSNS (1),			/* cost of movzx */
   8,					/* "large" insn */
   17,					/* MOVE_RATIO */
-  2,				     /* cost for loading QImode using movzbl */
+  4,					/* cost for loading QImode using movzbl */
   {4, 4, 4},				/* cost of loading integer registers
 					   in QImode, HImode and SImode.
 					   Relative to reg-reg move (2).  */