re PR target/52261 ([avr] Add support for AVR Xmega cores)

	PR target/52261
	* config/avr/lib1funcs.S (__AVR__XMEGA__): Fix tippo to __AVR_XMEGA__.

From-SVN: r184522

libgcc/ChangeLog

+2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
+
+	PR target/52261
+	* config/avr/lib1funcs.S (__AVR__XMEGA__): Fix tippo to __AVR_XMEGA__.
+
 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
 	* config/ia64/crtbegin.S: Use HAVE_INITFINI_ARRAY_SUPPORT

libgcc/config/avr/lib1funcs.S

@@ -1696,7 +1696,7 @@ DEFUN __prologue_saves__
 	sub	r28,r26
 	out	__SP_L__,r28
 	clr	r29
-#elif defined (__AVR__XMEGA__)
+#elif defined (__AVR_XMEGA__)
 	in	r28,__SP_L__
 	in	r29,__SP_H__
 	sub	r28,r26
@@ -1752,7 +1752,7 @@ DEFUN __epilogue_restores__
 	add	r28,r30
 	out	__SP_L__,r28
 	mov	r28, r26
-#elif defined (__AVR__XMEGA__)
+#elif defined (__AVR_XMEGA__)
 	ldd  r27,Y+1
 	add  r28,r30
 	adc  r29,__zero_reg__