--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/moxie/predicates.md	Fri Feb 12 23:39:51 2010 +0900
@@ -0,0 +1,55 @@
+;; Predicate definitions for Moxie
+;; Copyright (C) 2009 Free Software Foundation, Inc.
+;; Contributed by Anthony Green <green@moxielogic.com>
+
+;; This file is part of GCC.
+
+;; GCC is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published
+;; by the Free Software Foundation; either version 3, or (at your
+;; option) any later version.
+
+;; GCC is distributed in the hope that it will be useful, but WITHOUT
+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+;; License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.
+
+;; -------------------------------------------------------------------------
+;; Predicates
+;; -------------------------------------------------------------------------
+
+;; Nonzero if OP can be source of a simple move operation.
+
+(define_predicate "moxie_general_movsrc_operand"
+  (match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const")
+{
+  /* Any (MEM LABEL_REF) is OK.  That is a pc-relative load.  */
+  if (MEM_P (op) && GET_CODE (XEXP (op, 0)) == LABEL_REF)
+    return 1;
+
+  if (MEM_P (op)
+      && GET_CODE (XEXP (op, 0)) == PLUS
+      && GET_CODE (XEXP (XEXP (op, 0), 0)) == REG
+      && GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST)
+    return 1;
+
+  return general_operand (op, mode);
+})
+
+;; Nonzero if OP can be an operand to an add/inc/dec instruction.
+
+(define_predicate "moxie_add_operand"
+  (ior (match_code "reg")
+       (and (match_code "const_int")
+	    (match_test "IN_RANGE (INTVAL (op), -255, 255)"))))
+
+;; Nonzero if OP can be an operand to an sub/dec instruction.
+
+(define_predicate "moxie_sub_operand"
+  (ior (match_code "reg")
+       (and (match_code "const_int")
+	    (match_test "IN_RANGE (INTVAL (op), 0, 255)"))))
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