avr.md (neghi2): Remove "!d,0" alternative.

	* config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".

From-SVN: r184447

gcc/ChangeLog

 2012-01-21  Georg-Johann Lay  <avr@gjlay.de>
 
+	* config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
+
+2012-01-21  Georg-Johann Lay  <avr@gjlay.de>
+
 	* config/avr/avr.md
 	(*dec-and-branchhi!=-1.d.clobber): New text peephole.
 	(*dec-and-branchhi!=-1.l.clobber): New text peephole.

gcc/config/avr/avr.md

@@ -3807,15 +3807,14 @@
    (set_attr "cc" "set_n")])
 
 (define_insn "neghi2"
-  [(set (match_operand:HI 0 "register_operand"       "=!d,r,&r")
-	(neg:HI (match_operand:HI 1 "register_operand" "0,0,r")))]
+  [(set (match_operand:HI 0 "register_operand"        "=r,&r")
+        (neg:HI (match_operand:HI 1 "register_operand" "0,r")))]
   ""
   "@
-	com %B0\;neg %A0\;sbci %B0,lo8(-1)
-	com %B0\;neg %A0\;sbc %B0,__zero_reg__\;inc %B0
+	neg %B0\;neg %A0\;sbc %B0,__zero_reg__
 	clr %A0\;clr %B0\;sub %A0,%A1\;sbc %B0,%B1"
-  [(set_attr "length" "3,4,4")
-   (set_attr "cc" "set_czn,set_n,set_czn")])
+  [(set_attr "length" "3,4")
+   (set_attr "cc" "set_czn")])
 
 (define_insn "negpsi2"
   [(set (match_operand:PSI 0 "register_operand"        "=!d,r,&r")