[AArch64] Refactor aarch64_mov_operand predicate.

Co-Authored-By: Marcus Shawcroft <marcus.shawcroft@arm.com>

From-SVN: r199259

gcc/ChangeLog

+2013-05-23  Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
+	    Marcus Shawcroft  <marcus.shawcroft@arm.com>
+
+	* config/aarch64/aarch64-protos.h (aarch64_mov_operand_p): Define.
+	* config/aarch64/aarch64.c (aarch64_mov_operand_p): Define.
+	* config/aarch64/predicates.md (aarch64_const_address): Remove.
+	(aarch64_mov_operand): Use aarch64_mov_operand_p.
+
 2013-05-23  Vidya Praveen <vidyapraveen@arm.com>
 
 	* config/aarch64/aarch64-simd.md (clzv4si2): Support for CLZ

gcc/config/aarch64/aarch64-protos.h

@@ -146,6 +146,8 @@ bool aarch64_is_long_call_p (rtx);
 bool aarch64_label_mentioned_p (rtx);
 bool aarch64_legitimate_pic_operand_p (rtx);
 bool aarch64_move_imm (HOST_WIDE_INT, enum machine_mode);
+bool aarch64_mov_operand_p (rtx, enum aarch64_symbol_context,
+			    enum machine_mode);
 bool aarch64_pad_arg_upward (enum machine_mode, const_tree);
 bool aarch64_pad_reg_upward (enum machine_mode, const_tree, bool);
 bool aarch64_regno_ok_for_base_p (int, bool);

gcc/config/aarch64/aarch64.c

@@ -6455,6 +6455,25 @@ aarch64_simd_imm_scalar_p (rtx x, enum machine_mode mode ATTRIBUTE_UNUSED)
   return true;
 }
 
+bool
+aarch64_mov_operand_p (rtx x,
+		       enum aarch64_symbol_context context ATTRIBUTE_UNUSED,
+		       enum machine_mode mode)
+{
+
+  if (GET_CODE (x) == HIGH
+      && aarch64_valid_symref (XEXP (x, 0), GET_MODE (XEXP (x, 0))))
+    return true;
+
+  if (CONST_INT_P (x) && aarch64_move_imm (INTVAL (x), mode))
+    return true;
+
+  if (GET_CODE (x) == SYMBOL_REF && mode == DImode && CONSTANT_ADDRESS_P (x))
+    return true;
+
+  return false;
+}
+
 /* Return a const_int vector of VAL.  */
 rtx
 aarch64_simd_gen_const_vector_dup (enum machine_mode mode, int val)

gcc/config/aarch64/predicates.md

@@ -115,10 +115,6 @@
        (match_test "aarch64_legitimate_address_p (mode, XEXP (op, 0), PARALLEL,
 					       0)")))
 
-(define_predicate "aarch64_const_address"
-  (and (match_code "symbol_ref")
-       (match_test "mode == DImode && CONSTANT_ADDRESS_P (op)")))
-
 (define_predicate "aarch64_valid_symref"
   (match_code "const, symbol_ref, label_ref")
 {
@@ -173,12 +169,7 @@
   (and (match_code "reg,subreg,mem,const_int,symbol_ref,high")
        (ior (match_operand 0 "register_operand")
 	    (ior (match_operand 0 "memory_operand")
-		 (ior (match_test "GET_CODE (op) == HIGH
-				   && aarch64_valid_symref (XEXP (op, 0),
-							    GET_MODE (XEXP (op, 0)))")
-		      (ior (match_test "CONST_INT_P (op)
-					&& aarch64_move_imm (INTVAL (op), mode)")
-			   (match_test "aarch64_const_address (op, mode)")))))))
+		 (match_test "aarch64_mov_operand_p (op, SYMBOL_CONTEXT_ADR, mode)")))))
 
 (define_predicate "aarch64_movti_operand"
   (and (match_code "reg,subreg,mem,const_int")