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15637ed4 RG |
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 free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU CC is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU CC; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Recognize an insn and return its insn-code, | |
21 | which is the sequence number of the DEFINE_INSN that it matches. | |
22 | If the insn does not match, return -1. */ | |
23 | ||
24 | extern int recog_memoized (); | |
25 | ||
26 | /* Extract the operands from an insn that has been recognized. */ | |
27 | ||
28 | extern void insn_extract (); | |
29 | ||
30 | /* The following vectors hold the results from insn_extract. */ | |
31 | ||
32 | /* Indexed by N, gives value of operand N. */ | |
33 | extern rtx recog_operand[]; | |
34 | ||
35 | /* Indexed by N, gives location where operand N was found. */ | |
36 | extern rtx *recog_operand_loc[]; | |
37 | ||
38 | /* Indexed by N, gives location where the Nth duplicate-appearance of | |
39 | an operand was found. This is something that matched MATCH_DUP. */ | |
40 | extern rtx *recog_dup_loc[]; | |
41 | ||
42 | /* Indexed by N, gives the operand number that was duplicated in the | |
43 | Nth duplicate-appearance of an operand. */ | |
44 | extern char recog_dup_num[]; | |
45 | ||
46 | /* Tables defined in insn-output.c that give information about | |
47 | each insn-code value. */ | |
48 | ||
49 | /* These are vectors indexed by insn-code. Details in genoutput.c. */ | |
50 | ||
51 | extern char *insn_template[]; | |
52 | ||
53 | extern char *(*insn_outfun[]) (); | |
54 | ||
55 | extern int insn_n_operands[]; | |
56 | ||
57 | extern int insn_n_dups[]; | |
58 | ||
59 | #ifdef INSN_MACHINE_INFO | |
60 | extern INSN_MACHINE_INFO insn_machine_info[]; | |
61 | #endif | |
62 | ||
63 | /* Indexed by insn code number, gives # of constraint alternatives. */ | |
64 | ||
65 | extern int insn_n_alternatives[]; | |
66 | ||
67 | /* These are two-dimensional arrays indexed first by the insn-code | |
68 | and second by the operand number. Details in genoutput.c. */ | |
69 | ||
70 | extern char *insn_operand_constraint[][MAX_RECOG_OPERANDS]; | |
71 | ||
72 | extern char insn_operand_address_p[][MAX_RECOG_OPERANDS]; | |
73 | ||
74 | extern enum machine_mode insn_operand_mode[][MAX_RECOG_OPERANDS]; | |
75 | ||
76 | extern char insn_operand_strict_low[][MAX_RECOG_OPERANDS]; | |
77 | ||
78 | extern int (*insn_operand_predicate[][MAX_RECOG_OPERANDS]) (); |