* common/config/c6x/c6x-common.c (c6x_option_optimization_table):

[pf3gnuchains/gcc-fork.git] / gcc / cselib.h

diff --git a/gcc/cselib.h b/gcc/cselib.h
index 2cdf6ad..3590f98 100644 (file)
--- a/gcc/cselib.h
+++ b/gcc/cselib.h
@@ -20,7 +20,7 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 /* Describe a value.  */
-typedef struct GTY(()) cselib_val_struct {
+typedef struct cselib_val_struct {
   /* The hash value.  */
   unsigned int hash;
 
@@ -42,7 +42,7 @@ typedef struct GTY(()) cselib_val_struct {
 } cselib_val;
 
 /* A list of rtl expressions that hold the same value.  */
-struct GTY(()) elt_loc_list {
+struct elt_loc_list {
   /* Next element in the list.  */
   struct elt_loc_list *next;
   /* An rtl expression that holds the value.  */
@@ -51,12 +51,6 @@ struct GTY(()) elt_loc_list {
   rtx setting_insn;
 };
 
-/* A list of cselib_val structures.  */
-struct GTY(()) elt_list {
-  struct elt_list *next;
-  cselib_val *elt;
-};
-
 /* Describe a single set that is part of an insn.  */
 struct cselib_set
 {
@@ -66,12 +60,21 @@ struct cselib_set
   cselib_val *dest_addr_elt;
 };
 
+enum cselib_record_what
+{
+  CSELIB_RECORD_MEMORY = 1,
+  CSELIB_PRESERVE_CONSTANTS = 2
+};
+
 extern void (*cselib_discard_hook) (cselib_val *);
 extern void (*cselib_record_sets_hook) (rtx insn, struct cselib_set *sets,
                                        int n_sets);
 
-extern cselib_val *cselib_lookup (rtx, enum machine_mode, int);
-extern void cselib_init (bool record_memory);
+extern cselib_val *cselib_lookup (rtx, enum machine_mode,
+                                 int, enum machine_mode);
+extern cselib_val *cselib_lookup_from_insn (rtx, enum machine_mode,
+                                           int, enum machine_mode, rtx);
+extern void cselib_init (int);
 extern void cselib_clear_table (void);
 extern void cselib_finish (void);
 extern void cselib_process_insn (rtx);
@@ -84,13 +87,14 @@ extern rtx cselib_expand_value_rtx_cb (rtx, bitmap, int,
                                       cselib_expand_callback, void *);
 extern bool cselib_dummy_expand_value_rtx_cb (rtx, bitmap, int,
                                              cselib_expand_callback, void *);
-extern rtx cselib_subst_to_values (rtx);
+extern rtx cselib_subst_to_values (rtx, enum machine_mode);
 extern void cselib_invalidate_rtx (rtx);
 
 extern void cselib_reset_table (unsigned int);
 extern unsigned int cselib_get_next_uid (void);
 extern void cselib_preserve_value (cselib_val *);
 extern bool cselib_preserved_value_p (cselib_val *);
-extern void cselib_preserve_only_values (bool);
+extern void cselib_preserve_only_values (void);
+extern void cselib_preserve_cfa_base_value (cselib_val *, unsigned int);
 
 extern void dump_cselib_table (FILE *);