predicates.md (offsettable_mem_operand): Test RTX_AUTOINC class.

        * config/rs6000/predicates.md (offsettable_mem_operand): Test
        RTX_AUTOINC class.

From-SVN: r149632

gcc/ChangeLog

+2009-07-14  David Edelsohn  <edelsohn@gnu.org>
+
+	* config/rs6000/predicates.md (offsettable_mem_operand): Test
+	RTX_AUTOINC class.
+
 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
 
 	PR debug/40705

gcc/config/rs6000/predicates.md

@@ -367,9 +367,7 @@
 ;; Return 1 if the operand is an offsettable memory operand.
 (define_predicate "offsettable_mem_operand"
   (and (match_operand 0 "memory_operand")
-       (match_test "GET_CODE (XEXP (op, 0)) != PRE_INC
-		    && GET_CODE (XEXP (op, 0)) != PRE_DEC
-		    && GET_CODE (XEXP (op, 0)) != PRE_MODIFY")))
+       (match_test "GET_RTX_CLASS (GET_CODE (XEXP (op, 0))) != RTX_AUTOINC")))
 
 ;; Return 1 if the operand is a memory operand with an address divisible by 4
 (define_predicate "word_offset_memref_operand"