ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost computation for prologue/epilogue.

	* ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
	computation for	prologue/epilogue.

From-SVN: r171154

gcc/ChangeLog

+2011-03-18  Georg-Johann Lay  <avr@gjlay.de>
+
+	* ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
+	computation for	prologue/epilogue.
+
 2011-03-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* Makefile.in (check-consistency): Remove.
@@ -35,7 +40,7 @@
 	(--with-plugin-ld): Document.
 	* doc/invoke.texi (-fuse-linker-plugin): Clarify.
 
-2011-03-16  Andrew Pinski  <pinskia@gmail.com>
+2011-03-18  Andrew Pinski  <pinskia@gmail.com>
 
 	PR middle-end/47790
 	* expr.c (optimize_bitfield_assignment_op): Revamp to work

gcc/ira-color.c

@@ -591,7 +591,8 @@ assign_hard_reg (ira_allocno_t a, bool retry_p)
       full_cost = full_costs[i];
 #ifndef HONOR_REG_ALLOC_ORDER
       if (! allocated_hardreg_p[hard_regno]
-	  && ira_hard_reg_not_in_set_p (hard_regno, mode, call_used_reg_set))
+	  && ira_hard_reg_not_in_set_p (hard_regno, mode, call_used_reg_set)
+	  && !LOCAL_REGNO (hard_regno))
 	/* We need to save/restore the hard register in
 	   epilogue/prologue.  Therefore we increase the cost.  */
 	{