[AArch64] Use contains_mem_rtx_p to detect memory sub-rtxes

	* config/aarch64/aarch64.c (has_memory_op): Delete.
	(aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
	has_memory_op.

From-SVN: r245391

gcc/ChangeLog

+2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* config/aarch64/aarch64.c (has_memory_op): Delete.
+	(aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
+	has_memory_op.
+
 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/79388
@@ -6,7 +12,7 @@
 	corresponding dest has last value recorded, invalidate that last
 	value.
 
-2016-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
 	of explicit '@'.  Add missing assembly comment marker on branch costs

gcc/config/aarch64/aarch64.c

@@ -10912,21 +10912,6 @@ aarch64_mangle_type (const_tree type)
   return NULL;
 }
 
-
-/* Return true if the rtx_insn contains a MEM RTX somewhere
-   in it.  */
-
-static bool
-has_memory_op (rtx_insn *mem_insn)
-{
-  subrtx_iterator::array_type array;
-  FOR_EACH_SUBRTX (iter, array, PATTERN (mem_insn), ALL)
-    if (MEM_P (*iter))
-      return true;
-
-  return false;
-}
-
 /* Find the first rtx_insn before insn that will generate an assembly
    instruction.  */
 
@@ -11019,7 +11004,7 @@ aarch64_madd_needs_nop (rtx_insn* insn)
      Restore recog state to INSN to avoid state corruption.  */
   extract_constrain_insn_cached (insn);
 
-  if (!prev || !has_memory_op (prev))
+  if (!prev || !contains_mem_rtx_p (PATTERN (prev)))
     return false;
 
   body = single_set (prev);