Subversion Repositories openrisc_2011-10-31

;; Toshiba Media Processor Machine predicates

;; Copyright (C) 2009 Free Software Foundation, Inc.

;; Contributed by Red Hat 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

;; .  */

;; (define_predicate "cgen_h_uint_7a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_6a2_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_22a4_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_sint_2a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_24a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_sint_6a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_5a4_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_2a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_16a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_3a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_5a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_sint_16a1_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_sint_5a8_immediate"

;;    (match_code "const_int"))

;; (define_predicate "cgen_h_uint_4a1_immediate"

;;    (match_code "const_int"))

(define_predicate "cgen_h_sint_7a2_immediate"

   (match_code "const_int")

   { int i = INTVAL (op);

     return ((i & 1) == 0 && i >= -128 && i < 128);

   })

(define_predicate "cgen_h_sint_6a4_immediate"

   (match_code "const_int")

   { int i = INTVAL (op);

     return ((i & 3) == 0 && i >= -256 && i < 256);

   })

;; This is used below, to simplify things.

(define_predicate "mep_subreg_operand"

  (ior

   (and (and (and (match_code "subreg")

                  (match_code "reg" "0"))

             (match_test "REGNO (SUBREG_REG (op)) >= FIRST_PSEUDO_REGISTER"))

        (match_test "!(reload_completed || reload_in_progress)"))

   (and (match_code "reg")

        (match_test "REGNO (op) >= FIRST_PSEUDO_REGISTER"))))

(define_predicate "symbolic_operand"

  (match_code "const,symbol_ref,label_ref"))

(define_predicate "mep_farsym_operand"

  (and (match_code "const,symbol_ref")

       (match_test "mep_section_tag (op) == 'f'")))

(define_predicate "mep_nearsym_operand"

  (and (match_code "const,symbol_ref,label_ref")

       (match_test "mep_section_tag (op) != 'f'")))

(define_predicate "mep_movdest_operand"

  (and (match_test "mep_section_tag (op) != 'f'")

       (match_operand 0 "nonimmediate_operand")))

(define_predicate "mep_r0_15_operand"

  (ior (match_operand 0 "mep_subreg_operand")

       (and (match_code "reg")

            (match_test "GR_REGNO_P (REGNO (op))"))))

(define_predicate "mep_r0_operand"

  (and (match_code "reg")

       (ior (match_test "REGNO (op) == 0")

            (match_test "!(reload_completed || reload_in_progress)

                         && REGNO (op) >= FIRST_PSEUDO_REGISTER"))))

(define_predicate "mep_hi_operand"

  (ior (match_operand 0 "mep_subreg_operand")

       (and (match_code "reg")

            (match_test "REGNO (op) == HI_REGNO"))))

(define_predicate "mep_lo_operand"

  (ior (match_operand 0 "mep_subreg_operand")

       (and (match_code "reg")

            (match_test "REGNO (op) == LO_REGNO"))))

(define_predicate "mep_tp_operand"

  (ior (match_operand 0 "mep_subreg_operand")

       (and (match_code "reg")

            (match_test "REGNO (op) == TP_REGNO"))))

(define_predicate "mep_gp_operand"

  (ior (match_operand 0 "mep_subreg_operand")

       (and (match_code "reg")

            (match_test "REGNO (op) == GP_REGNO"))))

(define_predicate "mep_sp_operand"

  (match_test "op == stack_pointer_rtx"))

(define_predicate "mep_tprel_operand"

  (ior (match_operand 0 "mep_subreg_operand")

       (and (match_code "reg")

            (match_test "REGNO (op) < 8"))))

(define_predicate "mep_call_address_operand"

  (and (match_test "mep_section_tag (op) != 'f'")

       (and (ior (not (match_code "symbol_ref"))

                 (match_test "mep_section_tag (DECL_RTL (cfun->decl)) != 'f'

                              && !mep_lookup_pragma_call (XSTR (op, 0))"))

            (match_code "symbol_ref,reg"))))

(define_predicate "mep_Y_operand"

  (and (match_code "mem")

       (match_code "reg" "0")))

(define_predicate "mep_imm4_operand"

  (and (match_code "const_int")

       (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 15")))

(define_predicate "mep_reg_or_imm4_operand"

  (ior (match_code "reg")

       (and (match_code "const_int")

            (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 15"))))

(define_predicate "mep_imm7a4_operand"

  (and (match_code "const_int")

       (match_test "INTVAL (op) >= 0 && INTVAL (op) < 128 && INTVAL (op) % 4 == 0")))

(define_predicate "mep_slad_operand"

  (and (match_code "const_int")

       (match_test "INTVAL (op) == 2 || INTVAL (op) == 4")))

(define_predicate "mep_add_operand"

  (ior (and (match_code "const")

            (and (match_operand 0 "symbolic_operand")

                 (and (match_test "mep_section_tag(op) == 'b' || mep_section_tag(op) == 't'")

                      (ior (match_code "unspec" "0")

                           (and (match_code "plus" "0")

                                (match_code "unspec" "00"))))))

       (match_code "const_int,reg")))

;; Return true if OP is an integer in the range 0..7 inclusive.

;; On the MeP-h1, shifts by such constants execute in a single stage

;; and shifts by larger values execute in two.

(define_predicate "mep_single_shift_operand"

  (and (match_code "const_int")

       (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 7")))

;; Return true if OP is an operation that can be performed using bsetm,

;; bclrm or bnotm.  The possibilities are:

;; bsetm: (ior X Y), Y has one bit set

;; bclrm: (and X Y), Y has one bit clear

;; bnotm: (xor X Y), Y has one bit set.

(define_predicate "mep_bit_operator"

  (and (match_code "and,ior,xor")

       (match_test "mep_bit_position_p (XEXP (op, 1), GET_CODE (op) != AND)")))

(define_predicate "mep_reload_operand"

  (ior (and (match_code "reg")

            (match_test "!ANY_CONTROL_REGNO_P (REGNO (op))"))

       (and (match_code "mem,symbol_ref")

            (match_test "mep_section_tag (op) != 'f'"))))