Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / mn10300 / predicates.md

diff --git a/gcc/config/mn10300/predicates.md b/gcc/config/mn10300/predicates.md
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+;; Predicate definitions for Matsushita MN10300.
+;; 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/>.
+
+;; Return true if the operand is the 1.0f constant.
+
+(define_predicate "const_1f_operand"
+  (match_code "const_int,const_double")
+{
+  return (op == CONST1_RTX (SFmode));
+})
+
+;; Return 1 if X is a CONST_INT that is only 8 bits wide.  This is
+;; used for the btst insn which may examine memory or a register (the
+;; memory variant only allows an unsigned 8-bit integer).
+
+(define_predicate "const_8bit_operand"
+  (match_code "const_int")
+{
+  return (GET_CODE (op) == CONST_INT
+         && INTVAL (op) >= 0
+         && INTVAL (op) < 256);
+})
+
+;; Return true if OP is a valid call operand.
+
+(define_predicate "call_address_operand"
+  (match_code "symbol_ref,reg,unspec")
+{
+  if (flag_pic)
+    return (satisfies_constraint_S (op) || GET_CODE (op) == REG);
+
+  return (GET_CODE (op) == SYMBOL_REF || GET_CODE (op) == REG);
+})