avr.md ("*negsi2"): substitute %@ to __zero_reg__

	* config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
	* config/avr/libgcc.S: Lost part of the previous patch.

From-SVN: r36116

gcc/ChangeLog

+Sat Sep  2 13:58:23 2000  Marek Michalkiewicz <marekm@linux.org.pl>
+
+	* config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
+	* config/avr/libgcc.S: Lost part of the previous patch.
+
 2000-08-31  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
 
 	* gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t

gcc/config/avr/avr.md

@@ -1011,7 +1011,7 @@
   ""
   "@
 	com %D0\;com %C0\;com %B0\;neg %A0\;sbci %B0,lo8(-1)\;sbci %C0,lo8(-1)\;sbci %D0,lo8(-1)
-	com %D0\;com %C0\;com %B0\;com %A0\;adc %A0,%@\;adc %B0,%@\;adc %C0,%@\;adc %D0,%@
+	com %D0\;com %C0\;com %B0\;com %A0\;adc %A0,__zero_reg__\;adc %B0,__zero_reg__\;adc %C0,__zero_reg__\;adc %D0,__zero_reg__
 	clr %A0\;clr %B0\;clr %C0\;clr %D0\;sub %A0,%A1\;sbc %B0,%B1\;sbc %C0,%C1\;sbc %D0,%D1"
   [(set_attr "length" "7,8,8")
    (set_attr "cc" "set_czn,set_n,set_czn")])