IA MCU psABI support: changes to libraries

[gcc.git] / gcc / cselib.h

diff --git a/gcc/cselib.h b/gcc/cselib.h
index 6a9d79537bce963e105e5c1b1c8afe3445d8db22..cdd06ad952a96ba964084e20d97761de4e14a32c 100644 (file)
--- a/gcc/cselib.h
+++ b/gcc/cselib.h
@@ -1,7 +1,5 @@
 /* Common subexpression elimination for GNU compiler.
-   Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997,
-   1998, 1999, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 1987-2015 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -19,8 +17,12 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#ifndef GCC_CSELIB_H
+#define GCC_CSELIB_H
+
 /* Describe a value.  */
-typedef struct cselib_val_struct {
+struct cselib_val
+{
   /* The hash value.  */
   unsigned int hash;
 
@@ -38,8 +40,23 @@ typedef struct cselib_val_struct {
      use it as an address in a MEM.  */
   struct elt_list *addr_list;
 
-  struct cselib_val_struct *next_containing_mem;
-} cselib_val;
+  struct cselib_val *next_containing_mem;
+
+  /* Pool allocation new operator.  */
+  inline void *operator new (size_t)
+  {
+    return pool.allocate ();
+  }
+
+  /* Delete operator utilizing pool allocation.  */
+  inline void operator delete (void *ptr)
+  {
+    pool.remove ((cselib_val *) ptr);
+  }
+
+  /* Memory allocation pool.  */
+  static pool_allocator<cselib_val> pool;
+};
 
 /* A list of rtl expressions that hold the same value.  */
 struct elt_loc_list {
@@ -48,7 +65,22 @@ struct elt_loc_list {
   /* An rtl expression that holds the value.  */
   rtx loc;
   /* The insn that made the equivalence.  */
-  rtx setting_insn;
+  rtx_insn *setting_insn;
+
+  /* Pool allocation new operator.  */
+  inline void *operator new (size_t)
+  {
+    return pool.allocate ();
+  }
+
+  /* Delete operator utilizing pool allocation.  */
+  inline void operator delete (void *ptr)
+  {
+    pool.remove ((elt_loc_list *) ptr);
+  }
+
+  /* Memory allocation pool.  */
+  static pool_allocator<elt_loc_list> pool;
 };
 
 /* Describe a single set that is part of an insn.  */
@@ -67,18 +99,19 @@ enum cselib_record_what
 };
 
 extern void (*cselib_discard_hook) (cselib_val *);
-extern void (*cselib_record_sets_hook) (rtx insn, struct cselib_set *sets,
+extern void (*cselib_record_sets_hook) (rtx_insn *insn, struct cselib_set *sets,
                                        int n_sets);
 
-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 cselib_val *cselib_lookup (rtx, machine_mode,
+                                 int, machine_mode);
+extern cselib_val *cselib_lookup_from_insn (rtx, machine_mode,
+                                           int, machine_mode, rtx_insn *);
 extern void cselib_init (int);
 extern void cselib_clear_table (void);
 extern void cselib_finish (void);
-extern void cselib_process_insn (rtx);
-extern enum machine_mode cselib_reg_set_mode (const_rtx);
+extern void cselib_process_insn (rtx_insn *);
+extern bool fp_setter_insn (rtx_insn *);
+extern machine_mode cselib_reg_set_mode (const_rtx);
 extern int rtx_equal_for_cselib_p (rtx, rtx);
 extern int references_value_p (const_rtx, int);
 extern rtx cselib_expand_value_rtx (rtx, bitmap, int);
@@ -87,7 +120,8 @@ 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, enum machine_mode);
+extern rtx cselib_subst_to_values (rtx, machine_mode);
+extern rtx cselib_subst_to_values_from_insn (rtx, machine_mode, rtx_insn *);
 extern void cselib_invalidate_rtx (rtx);
 
 extern void cselib_reset_table (unsigned int);
@@ -96,7 +130,10 @@ extern void cselib_preserve_value (cselib_val *);
 extern bool cselib_preserved_value_p (cselib_val *);
 extern void cselib_preserve_only_values (void);
 extern void cselib_preserve_cfa_base_value (cselib_val *, unsigned int);
-extern void cselib_add_permanent_equiv (cselib_val *, rtx, rtx);
+extern void cselib_add_permanent_equiv (cselib_val *, rtx, rtx_insn *);
+extern bool cselib_have_permanent_equivalences (void);
+extern void cselib_set_value_sp_based (cselib_val *);
+extern bool cselib_sp_based_value_p (cselib_val *);
 
 extern void dump_cselib_table (FILE *);
 
@@ -117,3 +154,5 @@ canonical_cselib_val (cselib_val *val)
   gcc_checking_assert (canonical_cselib_val (canon) == canon);
   return canon;
 }
+
+#endif /* GCC_CSELIB_H */