diff options
Diffstat (limited to 'contrib/gcc/gensupport.h')
-rw-r--r-- | contrib/gcc/gensupport.h | 54 |
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 */ |