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Annotation of researchv10dc/cmd/gcc/recog.h, revision 1.1

1.1     ! root        1: /* Declarations for interface to insn recognizer and insn-output.c.
        !             2:    Copyright (C) 1987 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU CC.
        !             5: 
        !             6: GNU CC is distributed in the hope that it will be useful,
        !             7: but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: accepts responsibility to anyone for the consequences of using it
        !             9: or for whether it serves any particular purpose or works at all,
        !            10: unless he says so in writing.  Refer to the GNU CC General Public
        !            11: License for full details.
        !            12: 
        !            13: Everyone is granted permission to copy, modify and redistribute
        !            14: GNU CC, but only under the conditions described in the
        !            15: GNU CC General Public License.   A copy of this license is
        !            16: supposed to have been given to you along with GNU CC so you
        !            17: can know your rights and responsibilities.  It should be in a
        !            18: file named COPYING.  Among other things, the copyright notice
        !            19: and this notice must be preserved on all copies.  */
        !            20: 
        !            21: /* Recognize an insn and return its insn-code,
        !            22:    which is the sequence number of the DEFINE_INSN that it matches.
        !            23:    If the insn does not match, return -1.  */
        !            24: 
        !            25: extern int recog_memoized ();
        !            26: 
        !            27: /* Extract the operands from an insn that has been recognized.  */
        !            28: 
        !            29: extern void insn_extract ();
        !            30: 
        !            31: /* The following vectors hold the results from insn_extract.  */
        !            32: 
        !            33: /* Indexed by N, gives value of operand N.  */
        !            34: extern rtx recog_operand[];
        !            35: 
        !            36: /* Indexed by N, gives location where operand N was found.  */
        !            37: extern rtx *recog_operand_loc[];
        !            38: 
        !            39: /* Indexed by N, gives location where the Nth duplicate-appearance of
        !            40:    an operand was found.  This is something that matched MATCH_DUP.  */
        !            41: extern rtx *recog_dup_loc[];
        !            42: 
        !            43: /* Indexed by N, gives the operand number that was duplicated in the
        !            44:    Nth duplicate-appearance of an operand.  */
        !            45: extern char recog_dup_num[];
        !            46: 
        !            47: /* Tables defined in insn-output.c that give information about
        !            48:    each insn-code value.  */
        !            49: 
        !            50: /* These are vectors indexed by insn-code.  Details in genoutput.c.  */
        !            51: 
        !            52: extern char *insn_template[];
        !            53: 
        !            54: extern char *(*insn_outfun[]) ();
        !            55: 
        !            56: extern int insn_n_operands[];
        !            57: 
        !            58: extern int insn_n_dups[];
        !            59: 
        !            60: /* These are two-dimensional arrays indexed first by the insn-code
        !            61:    and second by the operand number.  Details in genoutput.c.  */
        !            62: 
        !            63: extern char *insn_operand_constraint[][MAX_RECOG_OPERANDS];
        !            64: 
        !            65: extern char insn_operand_address_p[][MAX_RECOG_OPERANDS];
        !            66: 
        !            67: extern enum machine_mode insn_operand_mode[][MAX_RECOG_OPERANDS];
        !            68: 
        !            69: extern char insn_operand_strict_low[][MAX_RECOG_OPERANDS];
        !            70: 
        !            71: extern int (*insn_operand_predicate[][MAX_RECOG_OPERANDS]) ();

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