/* Declarations for rtx-reader support for gen* routines. Copyright (C) 2000, 2002 Free Software Foundation, 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 2, 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 COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef GCC_GENSUPPORT_H #define GCC_GENSUPPORT_H struct obstack; extern struct obstack *rtl_obstack; extern int init_md_reader_args PARAMS ((int, char **)); extern int init_md_reader PARAMS ((const char *)); extern rtx read_md_rtx PARAMS ((int *, int *)); extern void message_with_line PARAMS ((int, const char *, ...)) ATTRIBUTE_PRINTF_2; /* Set this to 0 to disable automatic elision of insn patterns which can never be used in this configuration. See genconditions.c. Must be set before calling init_md_reader. */ extern int insn_elision; /* If this is 1, the insn elision table doesn't even exist yet; maybe_eval_c_test will always return -1. This is distinct from insn_elision because genflags and gencodes need to see all the patterns, but treat elided patterns differently. */ extern const int insn_elision_unavailable; /* If the C test passed as the argument can be evaluated at compile time, return its truth value; else return -1. The test must have appeared somewhere in the machine description when genconditions was run. */ extern int maybe_eval_c_test PARAMS ((const char *)); /* This table should not be accessed directly; use maybe_eval_c_test. */ struct c_test { const char *expr; int value; }; extern const struct c_test insn_conditions[]; extern const size_t n_insn_conditions; #ifdef __HASHTAB_H__ extern hashval_t hash_c_test PARAMS ((const PTR)); extern int cmp_c_test PARAMS ((const PTR, const PTR)); #endif extern int n_comma_elts PARAMS ((const char *)); extern const char *scan_comma_elt PARAMS ((const char **)); #endif /* GCC_GENSUPPORT_H */