aarch64.md (prefetch): Change the predicate of operand 0 to register_operand.

2015-09-28  Andrew Pinski  <apinski@cavium.com>    

	* config/aarch64/aarch64.md (prefetch):
	Change the predicate of operand 0 to register_operand.

From-SVN: r228182

gcc/ChangeLog

+2015-09-28  Andrew Pinski  <apinski@cavium.com>    
+
+	* config/aarch64/aarch64.md (prefetch):
+	Change the predicate of operand 0 to register_operand.
+
 2015-09-27  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/predicates.md (register_sse4nonimm_operand): New

gcc/config/aarch64/aarch64.md

@@ -466,7 +466,7 @@
 )
 
 (define_insn "prefetch"
-  [(prefetch (match_operand:DI 0 "address_operand" "r")
+  [(prefetch (match_operand:DI 0 "register_operand" "r")
             (match_operand:QI 1 "const_int_operand" "")
             (match_operand:QI 2 "const_int_operand" ""))]
   ""