* config/avr/avr.c (avr_rtx_costs): Set cost of SYMBOL_REF to 0.

From-SVN: r176516

gcc/ChangeLog

+2011-07-20  Georg-Johann Lay  <avr@gjlay.de>
+
+	* config/avr/avr.c (avr_rtx_costs): Set cost of SYMBOL_REF to 0.
+
 2011-07-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
 	* config/s390/s390.c (s390_class_max_nregs): Fix return type.
@@ -907,7 +911,7 @@
 
 	* doc/tm.texi.in (TARGET_ASM_MERGEABLE_RODATA_PREFIX): Add hook.
 	* doc/tm.texi: Regenerate.
-	* target.def (mergeable_rodata_prefix: New defhookpod.
+	* target.def (mergeable_rodata_prefix): New defhookpod.
 	* varasm.c (mergeable_string_section, mergeable_constant_section):
 	Use it. Allocate name with alloca.
 

gcc/config/avr/avr.c

@@ -5332,6 +5332,7 @@ avr_rtx_costs (rtx x, int codearg, int outer_code ATTRIBUTE_UNUSED, int *total,
     {
     case CONST_INT:
     case CONST_DOUBLE:
+    case SYMBOL_REF:
       /* Immediate constants are as cheap as registers.  */
       *total = 0;
       return true;
@@ -5339,7 +5340,6 @@ avr_rtx_costs (rtx x, int codearg, int outer_code ATTRIBUTE_UNUSED, int *total,
     case MEM:
     case CONST:
     case LABEL_REF:
-    case SYMBOL_REF:
       *total = COSTS_N_INSNS (GET_MODE_SIZE (mode));
       return true;