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Annotation of researchv10dc/cmd/gcc/recog.h, revision 1.1.1.1

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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