projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| c88c0d42 | 1 | /* Declarations for rtx-reader support for gen* routines. |
| 9a5834ae | 2 | Copyright (C) 2000, 2002 Free Software Foundation, Inc. |
| c88c0d42 | 3 | |
| 1322177d | 4 | This file is part of GCC. |
| c88c0d42 | 5 | |
| 1322177d LB |
6 | GCC is free software; you can redistribute it and/or modify it under |
| 7 | the terms of the GNU General Public License as published by the Free | |
| 8 | Software Foundation; either version 2, or (at your option) any later | |
| 9 | version. | |
| c88c0d42 | 10 | |
| 1322177d LB |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | for more details. | |
| c88c0d42 CP |
15 | |
| 16 | You should have received a copy of the GNU General Public License | |
| 1322177d LB |
17 | along with GCC; see the file COPYING. If not, write to the Free |
| 18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
| 19 | 02111-1307, USA. */ | |
| c88c0d42 | 20 | |
| 2199e5fa ZW |
21 | #ifndef GCC_GENSUPPORT_H |
| 22 | #define GCC_GENSUPPORT_H | |
| 23 | ||
| 3916d6d8 RH |
24 | struct obstack; |
| 25 | extern struct obstack *rtl_obstack; | |
| 26 | ||
| 04d8aa70 | 27 | extern int init_md_reader_args PARAMS ((int, char **)); |
| c88c0d42 CP |
28 | extern int init_md_reader PARAMS ((const char *)); |
| 29 | extern rtx read_md_rtx PARAMS ((int *, int *)); | |
| 30 | ||
| 3916d6d8 RH |
31 | extern void message_with_line PARAMS ((int, const char *, ...)) |
| 32 | ATTRIBUTE_PRINTF_2; | |
| 9a5834ae | 33 | |
| 2199e5fa ZW |
34 | /* Set this to 0 to disable automatic elision of insn patterns which |
| 35 | can never be used in this configuration. See genconditions.c. | |
| 36 | Must be set before calling init_md_reader. */ | |
| 37 | extern int insn_elision; | |
| 38 | ||
| 39 | /* If this is 1, the insn elision table doesn't even exist yet; | |
| 40 | maybe_eval_c_test will always return -1. This is distinct from | |
| 41 | insn_elision because genflags and gencodes need to see all the | |
| 42 | patterns, but treat elided patterns differently. */ | |
| 43 | extern const int insn_elision_unavailable; | |
| 44 | ||
| 45 | /* If the C test passed as the argument can be evaluated at compile | |
| 46 | time, return its truth value; else return -1. The test must have | |
| 47 | appeared somewhere in the machine description when genconditions | |
| 48 | was run. */ | |
| 49 | extern int maybe_eval_c_test PARAMS ((const char *)); | |
| 50 | ||
| 51 | /* This table should not be accessed directly; use maybe_eval_c_test. */ | |
| 52 | struct c_test | |
| 53 | { | |
| 54 | const char *expr; | |
| 55 | int value; | |
| 56 | }; | |
| 57 | ||
| 58 | extern const struct c_test insn_conditions[]; | |
| 59 | extern const size_t n_insn_conditions; | |
| 60 | ||
| 61 | #ifdef __HASHTAB_H__ | |
| 62 | extern hashval_t hash_c_test PARAMS ((const PTR)); | |
| 63 | extern int cmp_c_test PARAMS ((const PTR, const PTR)); | |
| 64 | #endif | |
| 65 | ||
| 9a5834ae ZW |
66 | extern int n_comma_elts PARAMS ((const char *)); |
| 67 | extern const char *scan_comma_elt PARAMS ((const char **)); | |
| 68 | ||
| 2199e5fa | 69 | #endif /* GCC_GENSUPPORT_H */ |