70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/* 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 */
|