X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgensupport.h;h=140f669b18f41dc1eca7386ced5d319878d09397;hb=e1ae8bc6e582ca614f0270a5ccaa8bbf6e14f349;hp=7ceccfbaeb119ac3572bbafbb67d76cbf5c2a274;hpb=1a97be37b9acd218052a467f7b1a26d3be1154f9;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/gensupport.h b/gcc/gensupport.h
index 7ceccfbaeb1..140f669b18f 100644
--- a/gcc/gensupport.h
+++ b/gcc/gensupport.h
@@ -1,11 +1,12 @@
 /* Declarations for rtx-reader support for gen* routines.
-   Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2002, 2003, 2004, 2007, 2008
+   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
+Software Foundation; either version 3, or (at your option) any later
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -14,18 +15,18 @@ 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.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 #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_args_cb (int, char **, bool (*)(const char *));
 extern int init_md_reader_args (int, char **);
-extern int init_md_reader (const char *);
 extern rtx read_md_rtx (int *, int *);
 
 extern void message_with_line (int, const char *, ...)
@@ -36,34 +37,61 @@ extern void message_with_line (int, const char *, ...)
    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.  */
+/* Add an entry to the table of conditions.  Used by genconditions and
+   by read-rtl.c.  */
+extern void add_c_test (const char *, int);
+
+/* This structure is used internally by gensupport.c and genconditions.c.  */
 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 *);
+extern void traverse_c_tests (htab_trav, 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 */
+  int num_codes;		/* number of codes accepted */
+  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_code (struct pred_data *, enum rtx_code);
+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 */