X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgensupport.h;h=4b29d7c02678a4cb84dbdf39e19ce8769c79f7cd;hb=4fec1d6c59baf0070f3ae1b62e5564a588603f7d;hp=13a9253d6a3a20ef7698b088d9e7bf4df885db9c;hpb=f12b58b3384f7b4faba39eaa3ebc67c3049f2a3c;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/gensupport.h b/gcc/gensupport.h
index 13a9253d6a3..4b29d7c0267 100644
--- a/gcc/gensupport.h
+++ b/gcc/gensupport.h
@@ -1,5 +1,5 @@
 /* Declarations for rtx-reader support for gen* routines.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -18,11 +18,78 @@ 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 const char *in_fname;
 
-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
+   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 (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 (const void *);
+extern int cmp_c_test (const void *, const void *);
+#endif
+
+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)
+
+#endif /* GCC_GENSUPPORT_H */