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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc4/] [gcc/] [config/] [mn10300/] [predicates.md] - Rev 519
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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);
})