/* Common subexpression elimination for GNU compiler.
- Copyright (C) 1987-2014 Free Software Foundation, Inc.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of GCC.
#define GCC_CSELIB_H
/* Describe a value. */
-struct cselib_val {
+struct cselib_val
+{
/* The hash value. */
unsigned int hash;
struct elt_list *addr_list;
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. */
rtx loc;
/* The insn that made the equivalence. */
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. */
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_insn *);
+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_insn *);
-extern bool fp_setter_insn (rtx);
-extern enum machine_mode cselib_reg_set_mode (const_rtx);
+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);
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_from_insn (rtx, enum machine_mode, rtx_insn *);
+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);