* pa.md (abssi2): Rework to avoid matching constraints.

From-SVN: r11344

gcc/config/pa/pa.md

@@ -891,9 +891,9 @@
 
 (define_insn "abssi2"
   [(set (match_operand:SI 0 "register_operand" "=r")
-	(abs:SI (match_operand:SI 1 "register_operand" "0")))]
+	(abs:SI (match_operand:SI 1 "register_operand" "r")))]
   ""
-  "comiclr,< 0,%0,0\;subi 0,%0,%0"
+  "or,<= %%r0,%1,%0\;subi 0,%0,%0"
   [(set_attr "type" "multi")
    (set_attr "length" "8")])