Imported gcc-4.4.3

[msp430-gcc.git] / gcc / gensupport.h

diff --git a/gcc/gensupport.h b/gcc/gensupport.h
index 96c8c87ba25c7b01195f0ae24cd9760295a38b72..140f669b18f41dc1eca7386ced5d319878d09397 100644 (file)
--- a/gcc/gensupport.h
+++ b/gcc/gensupport.h
@@ -1,11 +1,12 @@
 /* Declarations for rtx-reader support for gen* routines.
 /* Declarations for rtx-reader support for gen* routines.

-   Copyright (C) 2000 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
 
 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
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY


@@ -14,16 +15,83 @@ 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
 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;
 
 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;
      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 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 *);
+
+/* 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;
+};
+
+#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 */