--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/m68hc11/predicates.md	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,228 @@
+;; Predicate definitions for Motorola 68HC11 and 68HC12.
+;; Copyright (C) 2005, 2007 Free Software Foundation, Inc.
+;;
+;; 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/>.
+
+;; TODO: Add a comment here.
+
+(define_predicate "stack_register_operand"
+  (match_code "subreg,reg")
+{
+  return SP_REG_P (op);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "d_register_operand"
+  (match_code "subreg,reg")
+{
+  if (GET_MODE (op) != mode && mode != VOIDmode)
+    return 0;
+
+  if (GET_CODE (op) == SUBREG)
+    op = XEXP (op, 0);
+
+  return GET_CODE (op) == REG
+    && (REGNO (op) >= FIRST_PSEUDO_REGISTER
+	|| REGNO (op) == HARD_D_REGNUM
+        || (mode == QImode && REGNO (op) == HARD_B_REGNUM));
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "hard_addr_reg_operand"
+  (match_code "subreg,reg")
+{
+  if (GET_MODE (op) != mode && mode != VOIDmode)
+    return 0;
+
+  if (GET_CODE (op) == SUBREG)
+    op = XEXP (op, 0);
+
+  return GET_CODE (op) == REG
+    && (REGNO (op) == HARD_X_REGNUM
+	|| REGNO (op) == HARD_Y_REGNUM
+	|| REGNO (op) == HARD_Z_REGNUM);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "hard_reg_operand"
+  (match_code "subreg,reg")
+{
+  if (GET_MODE (op) != mode && mode != VOIDmode)
+    return 0;
+
+  if (GET_CODE (op) == SUBREG)
+    op = XEXP (op, 0);
+
+  return GET_CODE (op) == REG
+    && (REGNO (op) >= FIRST_PSEUDO_REGISTER
+	|| H_REGNO_P (REGNO (op)));
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "m68hc11_logical_operator"
+  (match_code "and,ior,xor")
+{
+  return GET_CODE (op) == AND || GET_CODE (op) == IOR || GET_CODE (op) == XOR;
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "m68hc11_arith_operator"
+  (match_code "and,ior,xor,plus,minus,ashift,ashiftrt,lshiftrt,rotate,rotatert")
+{
+  return GET_CODE (op) == AND || GET_CODE (op) == IOR || GET_CODE (op) == XOR
+    || GET_CODE (op) == PLUS || GET_CODE (op) == MINUS
+    || GET_CODE (op) == ASHIFT || GET_CODE (op) == ASHIFTRT
+    || GET_CODE (op) == LSHIFTRT || GET_CODE (op) == ROTATE
+    || GET_CODE (op) == ROTATERT;
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "m68hc11_non_shift_operator"
+  (match_code "and,ior,xor,plus,minus")
+{
+  return GET_CODE (op) == AND || GET_CODE (op) == IOR || GET_CODE (op) == XOR
+    || GET_CODE (op) == PLUS || GET_CODE (op) == MINUS;
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "m68hc11_unary_operator"
+  (match_code "neg,not,sign_extend,zero_extend")
+{
+  return GET_CODE (op) == NEG || GET_CODE (op) == NOT
+    || GET_CODE (op) == SIGN_EXTEND || GET_CODE (op) == ZERO_EXTEND;
+})
+
+;; Return true if op is a shift operator.
+
+(define_predicate "m68hc11_shift_operator"
+  (match_code "ashift,ashiftrt,lshiftrt,rotate,rotatert")
+{
+  return GET_CODE (op) == ROTATE || GET_CODE (op) == ROTATERT
+    || GET_CODE (op) == LSHIFTRT || GET_CODE (op) == ASHIFT
+    || GET_CODE (op) == ASHIFTRT;
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "m68hc11_eq_compare_operator"
+  (match_code "eq,ne")
+{
+  return GET_CODE (op) == EQ || GET_CODE (op) == NE;
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "non_push_operand"
+  (match_code "subreg,reg,mem")
+{
+  if (general_operand (op, mode) == 0)
+    return 0;
+
+  if (push_operand (op, mode) == 1)
+    return 0;
+  return 1;
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "splitable_operand"
+  (match_code "subreg,reg,mem,symbol_ref,label_ref,const_int,const_double")
+{
+  if (general_operand (op, mode) == 0)
+    return 0;
+
+  if (push_operand (op, mode) == 1)
+    return 0;
+
+  /* Reject a (MEM (MEM X)) because the patterns that use non_push_operand
+     need to split such addresses to access the low and high part but it
+     is not possible to express a valid address for the low part.  */
+  if (mode != QImode && GET_CODE (op) == MEM
+      && GET_CODE (XEXP (op, 0)) == MEM)
+    return 0;
+  return 1;
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "reg_or_some_mem_operand"
+  (match_code "subreg,reg,mem")
+{
+  if (GET_CODE (op) == MEM)
+    {
+      rtx op0 = XEXP (op, 0);
+      int addr_mode;
+
+      if (symbolic_memory_operand (op0, mode))
+	return 1;
+
+      if (IS_STACK_PUSH (op))
+	return 1;
+
+      if (GET_CODE (op) == REG && reload_in_progress
+          && REGNO (op) >= FIRST_PSEUDO_REGISTER
+          && reg_equiv_memory_loc[REGNO (op)])
+         {
+            op = reg_equiv_memory_loc[REGNO (op)];
+            op = eliminate_regs (op, 0, NULL_RTX);
+         }
+      if (GET_CODE (op) != MEM)
+         return 0;
+
+      op0 = XEXP (op, 0);
+      addr_mode = m68hc11_addr_mode | (reload_completed ? ADDR_STRICT : 0);
+      addr_mode &= ~ADDR_INDIRECT;
+      return m68hc11_valid_addressing_p (op0, mode, addr_mode);
+    }
+
+  return register_operand (op, mode);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "tst_operand"
+  (match_code "subreg,reg,mem")
+{
+  if (GET_CODE (op) == MEM && reload_completed == 0)
+    {
+      rtx addr = XEXP (op, 0);
+      if (m68hc11_auto_inc_p (addr))
+	return 0;
+    }
+  return nonimmediate_operand (op, mode);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "cmp_operand"
+  (match_code "subreg,reg,mem,symbol_ref,label_ref,const_int,const_double")
+{
+  if (GET_CODE (op) == MEM)
+    {
+      rtx addr = XEXP (op, 0);
+      if (m68hc11_auto_inc_p (addr))
+	return 0;
+    }
+  return general_operand (op, mode);
+})