/* Integrated Register Allocator (IRA) intercommunication header file.
- Copyright (C) 2006-2014 Free Software Foundation, Inc.
+ Copyright (C) 2006-2015 Free Software Foundation, Inc.
Contributed by Vladimir Makarov <vmakarov@redhat.com>.
This file is part of GCC.
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
+#ifndef GCC_IRA_INT_H
+#define GCC_IRA_INT_H
+
#include "cfgloop.h"
#include "ira.h"
#include "alloc-pool.h"
/* Mode of the allocno which is the mode of the corresponding
pseudo-register. */
ENUM_BITFIELD (machine_mode) mode : 8;
+ /* Widest mode of the allocno which in at least one case could be
+ for paradoxical subregs where wmode > mode. */
+ ENUM_BITFIELD (machine_mode) wmode : 8;
/* Register class which should be used for allocation for given
allocno. NO_REGS means that we should use memory. */
ENUM_BITFIELD (reg_class) aclass : 16;
number (0, ...) - 2. Value -1 is used for allocnos spilled by the
reload (at this point pseudo-register has only one allocno) which
did not get stack slot yet. */
- short int hard_regno;
+ signed int hard_regno : 16;
/* Allocnos with the same regno are linked by the following member.
Allocnos corresponding to inner loops are first in the list (it
corresponds to depth-first traverse of the loops). */
#define ALLOCNO_BAD_SPILL_P(A) ((A)->bad_spill_p)
#define ALLOCNO_ASSIGNED_P(A) ((A)->assigned_p)
#define ALLOCNO_MODE(A) ((A)->mode)
+#define ALLOCNO_WMODE(A) ((A)->wmode)
#define ALLOCNO_PREFS(A) ((A)->allocno_prefs)
#define ALLOCNO_COPIES(A) ((A)->allocno_copies)
#define ALLOCNO_HARD_REG_COSTS(A) ((A)->hard_reg_costs)
/* The size of the previous array. */
extern int ira_objects_num;
-/* The following structure represents a hard register prefererence of
+/* The following structure represents a hard register preference of
allocno. The preference represent move insns or potential move
insns usually because of two operand insn constraints. One move
operand is a hard register. */
int freq;
/* Given allocno. */
ira_allocno_t allocno;
- /* All prefernces with the same allocno are linked by the following
+ /* All preferences with the same allocno are linked by the following
member. */
ira_pref_t next_pref;
};
for the copy created to remove register shuffle is NULL. In last
case the copy frequency is smaller than the corresponding insn
execution frequency. */
- rtx insn;
+ rtx_insn *insn;
/* All copies with the same allocno as FIRST are linked by the two
following members. */
ira_copy_t prev_first_allocno_copy, next_first_allocno_copy;
allocnos assigned to hard-registers, cost of the allocnos assigned
to memory, cost of loads, stores and register move insns generated
for pseudo-register live range splitting (see ira-emit.c). */
-extern int ira_overall_cost;
-extern int ira_reg_cost, ira_mem_cost;
-extern int ira_load_cost, ira_store_cost, ira_shuffle_cost;
+extern int64_t ira_overall_cost;
+extern int64_t ira_reg_cost, ira_mem_cost;
+extern int64_t ira_load_cost, ira_store_cost, ira_shuffle_cost;
extern int ira_move_loops_num, ira_additional_jumps_num;
\f
minmax_set_iter_next (&(ITER)))
\f
struct target_ira_int {
+ ~target_ira_int ();
+
+ void free_ira_costs ();
+ void free_register_move_costs ();
+
/* Initialized once. It is a maximal possible size of the allocated
struct costs. */
int x_max_struct_costs_size;
unavailable for the allocation. */
short x_ira_class_hard_reg_index[N_REG_CLASSES][FIRST_PSEUDO_REGISTER];
- /* Array whose values are hard regset of hard registers available for
- the allocation of given register class whose HARD_REGNO_MODE_OK
- values for given mode are zero. */
- HARD_REG_SET x_ira_prohibited_class_mode_regs[N_REG_CLASSES][NUM_MACHINE_MODES];
-
/* Index [CL][M] contains R if R appears somewhere in a register of the form:
(reg:M R'), R' not in x_ira_prohibited_class_mode_regs[CL][M]
(this_target_ira_int->x_ira_non_ordered_class_hard_regs)
#define ira_class_hard_reg_index \
(this_target_ira_int->x_ira_class_hard_reg_index)
-#define ira_prohibited_class_mode_regs \
- (this_target_ira_int->x_ira_prohibited_class_mode_regs)
#define ira_useful_class_mode_regs \
(this_target_ira_int->x_ira_useful_class_mode_regs)
#define ira_important_classes_num \
extern void ira_print_disposition (FILE *);
extern void ira_debug_disposition (void);
extern void ira_debug_allocno_classes (void);
-extern void ira_init_register_move_cost (enum machine_mode);
-extern void ira_setup_alts (rtx insn, HARD_REG_SET &alts);
+extern void ira_init_register_move_cost (machine_mode);
+extern void ira_setup_alts (rtx_insn *insn, HARD_REG_SET &alts);
extern int ira_get_dup_out_num (int op_num, HARD_REG_SET &alts);
/* ira-build.c */
extern void ira_remove_pref (ira_pref_t);
extern void ira_remove_allocno_prefs (ira_allocno_t);
extern ira_copy_t ira_create_copy (ira_allocno_t, ira_allocno_t,
- int, bool, rtx, ira_loop_tree_node_t);
+ int, bool, rtx_insn *,
+ ira_loop_tree_node_t);
extern ira_copy_t ira_add_allocno_copy (ira_allocno_t, ira_allocno_t, int,
- bool, rtx, ira_loop_tree_node_t);
+ bool, rtx_insn *,
+ ira_loop_tree_node_t);
extern int *ira_allocate_cost_vector (reg_class_t);
extern void ira_free_cost_vector (int *, reg_class_t);
/* ira-costs.c */
extern void ira_init_costs_once (void);
extern void ira_init_costs (void);
-extern void ira_finish_costs_once (void);
extern void ira_costs (void);
extern void ira_tune_allocno_costs (void);
/* Initialize register costs for MODE if necessary. */
static inline void
-ira_init_register_move_cost_if_necessary (enum machine_mode mode)
+ira_init_register_move_cost_if_necessary (machine_mode mode)
{
if (ira_register_move_cost[mode] == NULL)
ira_init_register_move_cost (mode);
starting with HARD_REGNO and containing value of MODE are in set
HARD_REGSET. */
static inline bool
-ira_hard_reg_set_intersection_p (int hard_regno, enum machine_mode mode,
+ira_hard_reg_set_intersection_p (int hard_regno, machine_mode mode,
HARD_REG_SET hard_regset)
{
int i;
HARD_REGNO and containing value of MODE are fully in set
HARD_REGSET. */
static inline bool
-ira_hard_reg_in_set_p (int hard_regno, enum machine_mode mode,
+ira_hard_reg_in_set_p (int hard_regno, machine_mode mode,
HARD_REG_SET hard_regset)
{
int i;
extern rtx ira_create_new_reg (rtx);
extern int first_moveable_pseudo, last_moveable_pseudo;
+
+#endif /* GCC_IRA_INT_H */
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