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authorkan <kan@FreeBSD.org>2007-05-19 01:19:51 +0000
committerkan <kan@FreeBSD.org>2007-05-19 01:19:51 +0000
commit1f9ea4d0a40cca64d60cf4dab152349da7b9dddf (patch)
tree0cb530c9c38af219e6dda2994c078b6b2b9ad853 /contrib/gcc/gensupport.h
parent4895159b2b4f648051c1f139faa7b6dc50c2bfcb (diff)
downloadFreeBSD-src-1f9ea4d0a40cca64d60cf4dab152349da7b9dddf.zip
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GCC 4.2.0 release.
Diffstat (limited to 'contrib/gcc/gensupport.h')
-rw-r--r--contrib/gcc/gensupport.h54
1 files changed, 40 insertions, 14 deletions
diff --git a/contrib/gcc/gensupport.h b/contrib/gcc/gensupport.h
index 7ceccfb..53cbdc2 100644
--- a/contrib/gcc/gensupport.h
+++ b/contrib/gcc/gensupport.h
@@ -1,5 +1,5 @@
/* Declarations for rtx-reader support for gen* routines.
- Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
@@ -15,17 +15,18 @@ 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. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, 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_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 +37,59 @@ 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 */
+ 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 */
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