osprey/kg++fe/gnu/regs.h File Reference

#include "varray.h"
#include "hard-reg-set.h"
#include "basic-block.h"

Include dependency graph for regs.h:

Go to the source code of this file.

Data Types

type  reg_info_def

Defines

#define REG_BYTES(R)   mode_size[(int) GET_MODE (R)]
#define REGMODE_NATURAL_SIZE(MODE)   UNITS_PER_WORD
#define SMALL_REGISTER_CLASSES   0
#define REG_N_REFS(N)   (VARRAY_REG (reg_n_info, N)->refs)
#define REG_FREQ(N)   (VARRAY_REG (reg_n_info, N)->freq)
#define REG_FREQ_MAX   1000
#define REG_FREQ_FROM_BB(bb)
#define REG_N_SETS(N)   (VARRAY_REG (reg_n_info, N)->sets)
#define REG_N_DEATHS(N)   (VARRAY_REG (reg_n_info, N)->deaths)
#define PSEUDO_REGNO_SIZE(N)
#define PSEUDO_REGNO_BYTES(N)   GET_MODE_SIZE (PSEUDO_REGNO_MODE (N))
#define PSEUDO_REGNO_MODE(N)   GET_MODE (regno_reg_rtx[N])
#define REG_N_CALLS_CROSSED(N)   (VARRAY_REG (reg_n_info, N)->calls_crossed)
#define REG_LIVE_LENGTH(N)   (VARRAY_REG (reg_n_info, N)->live_length)
#define REGNO_FIRST_UID(N)   (VARRAY_REG (reg_n_info, N)->first_uid)
#define REGNO_LAST_UID(N)   (VARRAY_REG (reg_n_info, N)->last_uid)
#define REGNO_LAST_NOTE_UID(N)   (VARRAY_REG (reg_n_info, N)->last_note_uid)
#define CALLER_SAVE_PROFITABLE(REFS, CALLS)   (4 * (CALLS) < (REFS))
#define CLASS_LIKELY_SPILLED_P(CLASS)   (reg_class_size[(int) (CLASS)] == 1)
#define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS, MODE)   choose_hard_reg_mode (REGNO, NREGS)
#define HARD_REGNO_CALL_PART_CLOBBERED(REGNO, MODE)   0

Typedefs

typedef struct reg_info_def reg_info

Functions/Subroutines

void allocate_reg_info PARAMS ((size_t, int, int))

Variables

int max_regno
varray_type reg_n_info
bitmap_head subregs_of_mode
short * reg_renumber
char regs_ever_live [FIRST_PSEUDO_REGISTER]
const char * reg_names [FIRST_PSEUDO_REGISTER]
enum machine_mode reg_raw_mode [FIRST_PSEUDO_REGISTER]
rtx regs_may_share
int caller_save_needed

Define Documentation

#define CALLER_SAVE_PROFITABLE ( REFS,
CALLS   )     (4 * (CALLS) < (REFS))

Definition at line 205 of file regs.h.

#define CLASS_LIKELY_SPILLED_P ( CLASS   )     (reg_class_size[(int) (CLASS)] == 1)

Definition at line 211 of file regs.h.

#define HARD_REGNO_CALL_PART_CLOBBERED ( REGNO,
MODE   )     0

Definition at line 223 of file regs.h.

#define HARD_REGNO_CALLER_SAVE_MODE ( REGNO,
NREGS,
MODE   )     choose_hard_reg_mode (REGNO, NREGS)

Definition at line 216 of file regs.h.

#define PSEUDO_REGNO_BYTES ( N   )     GET_MODE_SIZE (PSEUDO_REGNO_MODE (N))

Definition at line 119 of file regs.h.

Referenced by alter_reg(), dump_flow_info(), and emit_colors().

#define PSEUDO_REGNO_MODE ( N   )     GET_MODE (regno_reg_rtx[N])

Definition at line 124 of file regs.h.

Referenced by allocate_spill_web(), choose_spill_colors(), colorize_one_web(), compute_use_by_pseudos(), count_pseudo(), count_spilled_pseudo(), dump_regclass(), emit_colors(), find_reg(), global_alloc(), global_conflicts(), init_one_web_common(), mark_home_live(), mark_target_live_regs(), regclass(), remember_web_was_spilled(), save_call_clobbered_regs(), spill_hard_reg(), spill_is_free(), and spill_same_color_p().

#define PSEUDO_REGNO_SIZE ( N   ) 

Value:

((GET_MODE_SIZE (PSEUDO_REGNO_MODE (N)) + UNITS_PER_WORD - 1)   \
   / UNITS_PER_WORD)

Definition at line 113 of file regs.h.

Referenced by global_alloc(), and reg_is_born().

#define REG_BYTES ( R   )     mode_size[(int) GET_MODE (R)]

Definition at line 27 of file regs.h.

Referenced by mark_used_dest_regs(), and mark_used_regs().

#define REG_FREQ ( N   )     (VARRAY_REG (reg_n_info, N)->freq)

Definition at line 77 of file regs.h.

Referenced by alloc_qty(), allocate_reg_life_data(), combine_regs(), count_pseudo(), count_spilled_pseudo(), df_create_unused_note(), df_ri_alloc(), df_ri_bb_compute(), global_alloc(), mark_set_1(), mark_used_reg(), scan_one_insn(), and update_equiv_regs().

#define REG_FREQ_FROM_BB ( bb   ) 

Value:

(optimize_size              \
            || (flag_branch_probabilities         \
          && !ENTRY_BLOCK_PTR->count)         \
            ? REG_FREQ_MAX              \
            : ((bb)->frequency * REG_FREQ_MAX / BB_FREQ_MAX)\
            ? ((bb)->frequency * REG_FREQ_MAX / BB_FREQ_MAX)\
            : 1)

Definition at line 89 of file regs.h.

Referenced by df_create_unused_note(), df_ri_bb_compute(), mark_set_1(), mark_used_reg(), and regclass().

#define REG_FREQ_MAX   1000

Definition at line 83 of file regs.h.

Referenced by allocno_compare(), and regclass().

#define REG_LIVE_LENGTH ( N   )     (VARRAY_REG (reg_n_info, N)->live_length)

Definition at line 145 of file regs.h.

Referenced by allocate_reg_life_data(), copy_src_to_dest(), df_create_unused_note(), df_ri_alloc(), df_ri_bb_compute(), df_ri_compute(), df_set_unused_notes_for_mw(), dump_flow_info(), fixup_match_1(), fixup_match_2(), free_propagate_block_info(), global_alloc(), high_pressure(), mark_set_1(), optimize_reg_copy_1(), regmove_optimize(), replacement_quality(), update_equiv_regs(), and update_life_info().

#define REG_N_CALLS_CROSSED ( N   )     (VARRAY_REG (reg_n_info, N)->calls_crossed)

Definition at line 128 of file regs.h.

Referenced by alloc_qty(), allocate_reg_life_data(), combine_regs(), df_ri_alloc(), df_ri_bb_compute(), dump_flow_info(), fixup_match_1(), fixup_match_2(), global_alloc(), optimize_reg_copy_1(), optimize_reg_copy_2(), propagate_one_insn(), regmove_optimize(), sched_analyze_1(), sched_analyze_2(), sched_analyze_reg(), setup_save_areas(), and update_equiv_regs().

#define REG_N_DEATHS ( N   )     (VARRAY_REG (reg_n_info, N)->deaths)

Definition at line 109 of file regs.h.

Referenced by allocate_reg_life_data(), delete_output_reload(), df_create_unused_note(), df_kill_notes(), df_ri_alloc(), df_ri_bb_compute(), df_set_dead_notes_for_mw(), df_set_unused_notes_for_mw(), distribute_notes(), dump_flow_info(), emit_input_reload_insns(), high_pressure(), local_alloc(), mark_set_1(), mark_used_reg(), move_deaths(), optimize_reg_copy_2(), optimize_reg_copy_3(), remove_death(), and try_combine().

#define REG_N_REFS ( N   )     (VARRAY_REG (reg_n_info, N)->refs)

Definition at line 73 of file regs.h.

Referenced by alloc_qty(), allocate_reg_life_data(), alter_reg(), combine_regs(), df_ri_alloc(), dump_flow_info(), dump_regclass(), global_alloc(), mark_set_1(), mark_used_reg(), reg_scan_mark_refs(), regclass(), scan_one_insn(), and update_equiv_regs().

#define REG_N_SETS ( N   )     (VARRAY_REG (reg_n_info, N)->sets)

Definition at line 101 of file regs.h.

Referenced by allocate_initial_values(), allocate_reg_life_data(), can_change_dest_mode(), copy_src_to_dest(), delete_output_reload(), df_ri_alloc(), dump_flow_info(), emit_input_reload_insns(), find_base_value(), fixup_match_1(), get_last_value(), get_last_value_validate(), high_pressure(), init_alias_analysis(), mark_set_1(), nonzero_bits1(), num_sign_bit_copies1(), optimize_reg_copy_3(), reg_is_remote_constant_p(), reg_nonzero_bits_for_combine(), reg_num_sign_bit_copies_for_combine(), reg_scan_mark_refs(), regclass(), regmove_optimize(), regno_clobbered_at_setjmp(), scan_one_insn(), sh_pr_n_sets(), simplify_set(), sparc_check_64(), try_combine(), and update_equiv_regs().

#define REGMODE_NATURAL_SIZE ( MODE   )     UNITS_PER_WORD

Definition at line 35 of file regs.h.

#define REGNO_FIRST_UID ( N   )     (VARRAY_REG (reg_n_info, N)->first_uid)

Definition at line 177 of file regs.h.

Referenced by check_dbra_loop(), copy_src_to_dest(), duplicate_loop_exit_test(), find_splittable_givs(), initialize_uninitialized_subregs(), loop_biv_eliminable_p(), loop_givs_dead_check(), make_regs_eqv(), move_movables(), record_giv(), reg_in_basic_block_p(), reg_scan_mark_refs(), scan_loop(), try_copy_prop(), try_swap_copy_prop(), and unroll_loop().

#define REGNO_LAST_NOTE_UID ( N   )     (VARRAY_REG (reg_n_info, N)->last_note_uid)

Definition at line 189 of file regs.h.

Referenced by copy_src_to_dest(), and reg_scan_mark_refs().

#define REGNO_LAST_UID ( N   )     (VARRAY_REG (reg_n_info, N)->last_uid)

Definition at line 185 of file regs.h.

Referenced by check_dbra_loop(), copy_src_to_dest(), duplicate_loop_exit_test(), force_movables(), last_use_this_basic_block(), load_mems(), loop_biv_eliminable_p(), loop_givs_dead_check(), loop_givs_reduce(), make_regs_eqv(), move_movables(), reg_in_basic_block_p(), reg_scan_mark_refs(), scan_loop(), try_copy_prop(), unroll_loop(), and update_reg_last_use().

#define SMALL_REGISTER_CLASSES   0

Definition at line 39 of file regs.h.

Typedef Documentation

typedef struct reg_info_def reg_info

Function Documentation

void allocate_reg_info PARAMS ( (size_t, int, int)   ) 

Variable Documentation

int caller_save_needed

Definition at line 254 of file reload1.c.

Referenced by find_free_reg(), find_reg(), prepare_function_start(), and reload().

int max_regno

Definition at line 192 of file flow.c.

varray_type reg_n_info

Definition at line 196 of file flow.c.

const char* reg_names[FIRST_PSEUDO_REGISTER]

Definition at line 50 of file print-rtl1.c.

enum machine_mode reg_raw_mode[FIRST_PSEUDO_REGISTER]

Definition at line 204 of file regclass.c.

short* reg_renumber

Definition at line 215 of file local-alloc.c.

char regs_ever_live[FIRST_PSEUDO_REGISTER]

Definition at line 183 of file final.c.

rtx regs_may_share

Definition at line 213 of file flow.c.

bitmap_head subregs_of_mode

Referenced by gen_lowpart_for_combine(), life_analysis(), and mark_used_regs().

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