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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [score/] [predicates.md] - Rev 282
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;; Predicate definitions for Sunplus S+CORE.
;; 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/>.
(define_predicate "const_uimm5"
(match_code "const_int")
{
return IMM_IN_RANGE (INTVAL (op), 5, 0);
})
(define_predicate "const_simm12"
(match_code "const_int")
{
return IMM_IN_RANGE (INTVAL (op), 12, 1);
})
(define_predicate "const_simm15"
(match_code "const_int")
{
return IMM_IN_RANGE (INTVAL (op), 15, 1);
})
(define_predicate "arith_operand"
(ior (match_code "const_int")
(match_operand 0 "register_operand")))
(define_predicate "score_register_operand"
(match_code "reg,subreg")
{
if (GET_CODE (op) == SUBREG)
op = SUBREG_REG (op);
return (GET_CODE (op) == REG)
&& (REGNO (op) != CC_REGNUM);
})
(define_predicate "const_call_insn_operand"
(match_code "const,symbol_ref,label_ref")
{
enum score_symbol_type symbol_type;
return (score_symbolic_constant_p (op, &symbol_type)
&& (symbol_type == SYMBOL_GENERAL));
})
(define_predicate "call_insn_operand"
(ior (match_operand 0 "const_call_insn_operand")
(match_operand 0 "register_operand")))
(define_predicate "hireg_operand"
(and (match_code "reg")
(match_test "REGNO (op) == HI_REGNUM")))
(define_predicate "loreg_operand"
(and (match_code "reg")
(match_test "REGNO (op) == LO_REGNUM")))
(define_predicate "sr0_operand"
(and (match_code "reg")
(match_test "REGNO (op) == CN_REGNUM")))
(define_predicate "g32reg_operand"
(and (match_code "reg")
(match_test "GP_REG_P (REGNO (op))")))
(define_predicate "branch_n_operator"
(match_code "lt,ge"))
(define_predicate "branch_nz_operator"
(match_code "eq,ne,lt,ge"))
(define_predicate "score_load_multiple_operation"
(match_code "parallel")
{
int count = XVECLEN (op, 0);
int dest_regno;
rtx src_addr;
int i;
/* Perform a quick check so we don't blow up below. */
if (count <= 1
|| GET_CODE (XVECEXP (op, 0, 0)) != SET
|| GET_CODE (SET_DEST (XVECEXP (op, 0, 0))) != REG
|| GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != MEM)
return 0;
dest_regno = REGNO (SET_DEST (XVECEXP (op, 0, 0)));
src_addr = XEXP (SET_SRC (XVECEXP (op, 0, 0)), 0);
for (i = 1; i < count; i++)
{
rtx elt = XVECEXP (op, 0, i);
if (GET_CODE (elt) != SET
|| GET_CODE (SET_DEST (elt)) != REG
|| GET_MODE (SET_DEST (elt)) != SImode
|| REGNO (SET_DEST (elt)) != (unsigned) (dest_regno + i)
|| GET_CODE (SET_SRC (elt)) != MEM
|| GET_MODE (SET_SRC (elt)) != SImode
|| GET_CODE (XEXP (SET_SRC (elt), 0)) != POST_INC)
return 0;
}
return 1;
})
(define_predicate "score_store_multiple_operation"
(match_code "parallel")
{
int count = XVECLEN (op, 0);
int src_regno;
rtx dest_addr;
int i;
/* Perform a quick check so we don't blow up below. */
if (count <= 1
|| GET_CODE (XVECEXP (op, 0, 0)) != SET
|| GET_CODE (SET_DEST (XVECEXP (op, 0, 0))) != MEM
|| GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != REG)
return 0;
src_regno = REGNO (SET_SRC (XVECEXP (op, 0, 0)));
dest_addr = XEXP (SET_DEST (XVECEXP (op, 0, 0)), 0);
for (i = 1; i < count; i++)
{
rtx elt = XVECEXP (op, 0, i);
if (GET_CODE (elt) != SET
|| GET_CODE (SET_SRC (elt)) != REG
|| GET_MODE (SET_SRC (elt)) != SImode
|| REGNO (SET_SRC (elt)) != (unsigned) (src_regno + i)
|| GET_CODE (SET_DEST (elt)) != MEM
|| GET_MODE (SET_DEST (elt)) != SImode
|| GET_CODE (XEXP (SET_DEST (elt), 0)) != PRE_DEC)
return 0;
}
return 1;
})