Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / fr30 / predicates.md

diff --git a/gcc/config/fr30/predicates.md b/gcc/config/fr30/predicates.md
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+;; Predicate definitions for FR30.
+;; 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/>.
+
+;; Returns true if OP is an integer value suitable for use in an
+;; ADDSP instruction.
+
+(define_predicate "stack_add_operand"
+  (match_code "const_int")
+{
+  return
+    (GET_CODE (op) == CONST_INT
+     && INTVAL (op) >= -512
+     && INTVAL (op) <=  508
+     && ((INTVAL (op) & 3) == 0));
+})
+
+;; Returns true if OP is hard register in the range 8 - 15.
+
+(define_predicate "high_register_operand"
+  (match_code "reg")
+{
+  return
+    (GET_CODE (op) == REG
+     && REGNO (op) <= 15
+     && REGNO (op) >= 8);
+})
+
+;; Returns true if OP is hard register in the range 0 - 7.
+
+(define_predicate "low_register_operand"
+  (match_code "reg")
+{
+  return
+    (GET_CODE (op) == REG
+     && REGNO (op) <= 7);
+})
+
+;; Returns true if OP is suitable for use in a CALL insn.
+
+(define_predicate "call_operand"
+  (match_code "mem")
+{
+  return (GET_CODE (op) == MEM
+         && (GET_CODE (XEXP (op, 0)) == SYMBOL_REF
+             || GET_CODE (XEXP (op, 0)) == REG));
+})
+
+;; Returns TRUE if OP is a valid operand of a DImode operation.
+
+(define_predicate "di_operand"
+  (match_code "const_int,const_double,reg,mem")
+{
+  if (register_operand (op, mode))
+    return TRUE;
+
+  if (mode != VOIDmode && GET_MODE (op) != VOIDmode && GET_MODE (op) != DImode)
+    return FALSE;
+
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+
+  switch (GET_CODE (op))
+    {
+    case CONST_DOUBLE:
+    case CONST_INT:
+      return TRUE;
+
+    case MEM:
+      return memory_address_p (DImode, XEXP (op, 0));
+
+    default:
+      return FALSE;
+    }
+})
+
+;; Returns TRUE if OP is a DImode register or MEM.
+
+(define_predicate "nonimmediate_di_operand"
+  (match_code "reg,mem")
+{
+  if (register_operand (op, mode))
+    return TRUE;
+
+  if (mode != VOIDmode && GET_MODE (op) != VOIDmode && GET_MODE (op) != DImode)
+    return FALSE;
+
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+
+  if (GET_CODE (op) == MEM)
+    return memory_address_p (DImode, XEXP (op, 0));
+
+  return FALSE;
+})
+
+;; Returns true if OP is an integer value suitable for use in an ADD
+;; or ADD2 instruction, or if it is a register.
+
+(define_predicate "add_immediate_operand"
+  (match_code "reg,const_int")
+{
+  return
+    (GET_CODE (op) == REG
+     || (GET_CODE (op) == CONST_INT
+        && INTVAL (op) >= -16
+        && INTVAL (op) <=  15));
+})