/* Declarations for rtx-reader support for gen* routines.
- Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
struct obstack;
extern struct obstack *rtl_obstack;
+extern const char *in_fname;
-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 int init_md_reader_args_cb (int, char **, bool (*)(const char *));
+extern int init_md_reader_args (int, char **);
+extern rtx read_md_rtx (int *, int *);
-extern void message_with_line PARAMS ((int, const char *, ...))
+extern void message_with_line (int, const char *, ...)
ATTRIBUTE_PRINTF_2;
/* Set this to 0 to disable automatic elision of insn patterns which
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 *));
+extern int maybe_eval_c_test (const char *);
/* This table should not be accessed directly; use maybe_eval_c_test. */
struct c_test
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));
+extern hashval_t hash_c_test (const void *);
+extern int cmp_c_test (const void *, const void *);
#endif
-extern int n_comma_elts PARAMS ((const char *));
-extern const char *scan_comma_elt PARAMS ((const char **));
+extern int n_comma_elts (const char *);
+extern const char *scan_comma_elt (const char **);
+
+/* Predicate handling: helper functions and data structures. */
+
+struct pred_data
+{
+ struct pred_data *next; /* for iterating over the set of all preds */
+ const char *name; /* predicate name */
+ bool special; /* special handling of modes? */
+
+ /* data used primarily by genpreds.c */
+ const char *c_block; /* C test block */
+ rtx exp; /* RTL test expression */
+
+ /* data used primarily by genrecog.c */
+ enum rtx_code singleton; /* if pred takes only one code, that code */
+ bool allows_non_lvalue; /* if pred allows non-lvalue expressions */
+ bool allows_non_const; /* if pred allows non-const expressions */
+ bool codes[NUM_RTX_CODE]; /* set of codes accepted */
+};
+
+extern struct pred_data *first_predicate;
+extern struct pred_data *lookup_predicate (const char *);
+extern void add_predicate (struct pred_data *);
+
+#define FOR_ALL_PREDICATES(p) for (p = first_predicate; p; p = p->next)
+
+/* This callback will be invoked whenever an rtl include directive is
+ processed. To be used for creation of the dependency file. */
+extern void (*include_callback) (const char *);
#endif /* GCC_GENSUPPORT_H */