pair-fusion.cc File Reference

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "backend.h"
#include "rtl.h"
#include "df.h"
#include "rtl-iter.h"
#include "rtl-ssa.h"
#include "cfgcleanup.h"
#include "tree-pass.h"
#include "ordered-hash-map.h"
#include "tree-dfa.h"
#include "fold-const.h"
#include "tree-hash-traits.h"
#include "print-tree.h"
#include "pair-fusion.h"

Include dependency graph for pair-fusion.cc:

Data Structures
struct	lfs_fields
struct	access_record
struct	access_group
struct	alt_base
struct	alias_walker
struct	pair_fusion_bb_info
struct	store_change_builder
struct	store_change_builder::change
class	def_walker< reverse >
class	store_walker< reverse, InsnPredicate >
class	load_walker< reverse >

Macros
#define	INCLUDE_ALGORITHM
#define	INCLUDE_FUNCTIONAL
#define	INCLUDE_LIST
#define	INCLUDE_TYPE_TRAITS
#define	INCLUDE_ARRAY

Typedefs
using	insn_list_t = std::list<insn_info *>

Functions
static rtx	drop_writeback (rtx mem)
static rtx	pair_mem_strip_offset (rtx mem, poly_int64 *offset)
static bool	any_pre_modify_p (rtx x)
static bool	any_post_modify_p (rtx x)
static int	encode_lfs (lfs_fields fields)
static lfs_fields	decode_lfs (int lfs)
static insn_info *	latest_hazard_before (insn_info *insn, rtx *ignore, insn_info *ignore_insn=nullptr)
static insn_info *	first_hazard_after (insn_info *insn, rtx *ignore)
static bool	ranges_overlap_p (const insn_range_info &r1, const insn_range_info &r2)
static insn_range_info	get_def_range (def_info *def)
static insn_range_info	def_downwards_move_range (def_info *def)
static insn_range_info	def_upwards_move_range (def_info *def)
static insn_info *	try_repurpose_store (insn_info *first, insn_info *second, const insn_range_info &move_range)
static rtx	gen_tombstone (void)
static rtx	filter_notes (rtx note, rtx result, bool *eh_region, rtx *fr_expr)
static rtx	combine_reg_notes (insn_info *i1, insn_info *i2, bool load_p)
static rtx	extract_writebacks (bool load_p, rtx pats[2], int changed)
static void	reset_debug_use (use_info *use)
static void	fixup_debug_use (obstack_watermark &attempt, use_info *use, def_info *def, rtx base, poly_int64 wb_offset)
static void	fixup_debug_uses_trailing_add (obstack_watermark &attempt, insn_info *pair_dst, insn_info *trailing_add, rtx writeback_effect)
static void	fixup_debug_uses (obstack_watermark &attempt, insn_info *insns[2], rtx orig_rtl[2], insn_info *pair_dst, insn_info *trailing_add, bool load_p, int writeback, rtx writeback_effect, unsigned base_regno)
static bool	store_modifies_mem_p (rtx mem, insn_info *store_insn, int &budget)
static bool	load_modified_by_store_p (insn_info *load, insn_info *store, int &budget)
static void	dump_insn_list (FILE *f, const insn_list_t &l)
DEBUG_FUNCTION void	debug (const insn_list_t &l)

Macro Definition Documentation

INCLUDE_ALGORITHM

#define INCLUDE_ALGORITHM

INCLUDE_ARRAY

#define INCLUDE_ARRAY

INCLUDE_FUNCTIONAL

#define INCLUDE_FUNCTIONAL

INCLUDE_LIST

#define INCLUDE_LIST

INCLUDE_TYPE_TRAITS

#define INCLUDE_TYPE_TRAITS

Typedef Documentation

insn_list_t

using insn_list_t = std::list<insn_info *>

Function Documentation

any_post_modify_p()

static bool any_post_modify_p ( rtx x )

static

References GET_CODE.

Referenced by extract_writebacks(), and pair_fusion_bb_info::track_access().

any_pre_modify_p()

static bool any_pre_modify_p ( rtx x )

static

References GET_CODE.

Referenced by extract_writebacks().

combine_reg_notes()

static rtx combine_reg_notes ( insn_info * i1, insn_info * i2, bool load_p )

static

References alloc_reg_note(), copy_rtx(), filter_notes(), gen_rtvec(), i1, i2, NULL_RTX, PATTERN(), REG_NOTES, and RTX_FRAME_RELATED_P.

Referenced by pair_fusion_bb_info::fuse_pair().

debug()

DEBUG_FUNCTION void debug

(

const insn_list_t &

l

)

References dump_insn_list().

decode_lfs()

static lfs_fields decode_lfs ( int lfs )

static

Referenced by pair_fusion_bb_info::transform_for_base().

def_downwards_move_range()

static insn_range_info def_downwards_move_range ( def_info * def )

static

References dyn_cast(), get_def_range(), and use::insn.

Referenced by try_repurpose_store().

def_upwards_move_range()

static insn_range_info def_upwards_move_range ( def_info * def )

static

References dyn_cast(), and use::insn.

Referenced by try_repurpose_store().

drop_writeback()

static rtx drop_writeback ( rtx mem )

static

References change_address(), gcc_unreachable, GET_CODE, GET_MODE, GET_MODE_SIZE(), plus_constant(), side_effects_p(), and XEXP.

Referenced by pair_fusion_bb_info::fuse_pair().

dump_insn_list()

static void dump_insn_list ( FILE * f, const insn_list_t & l )

static

References end(), and i.

Referenced by debug(), and pair_fusion_bb_info::merge_pairs().

encode_lfs()

static int encode_lfs ( lfs_fields fields )

static

References exact_log2(), fields, and gcc_checking_assert.

Referenced by pair_fusion_bb_info::track_access(), and pair_fusion_bb_info::track_via_mem_expr().

extract_writebacks()

static rtx extract_writebacks ( bool load_p, rtx pats[2], int changed )

static

References any_post_modify_p(), any_pre_modify_p(), change_address(), changed, gcc_assert, gcc_checking_assert, GET_CODE, GET_MODE, GET_RTX_CLASS, i, known_eq, NULL_RTX, offset, pair_mem_strip_offset(), plus_constant(), REG_P, RTX_AUTOINC, rtx_equal_p(), and XEXP.

Referenced by pair_fusion_bb_info::fuse_pair().

filter_notes()

static rtx filter_notes ( rtx note, rtx result, bool * eh_region, rtx * fr_expr )

static

References alloc_reg_note(), copy_rtx(), gcc_assert, gcc_unreachable, REG_NOTE_KIND, and XEXP.

Referenced by combine_reg_notes().

first_hazard_after()

static insn_info * first_hazard_after ( insn_info * insn, rtx * ignore )

static

References dyn_cast(), gcc_checking_assert, HARD_REGISTER_NUM_P, use::insn, PATTERN(), and refers_to_regno_p().

Referenced by pair_fusion_bb_info::try_fuse_pair().

fixup_debug_use()

static void fixup_debug_use ( obstack_watermark & attempt, use_info * use, def_info * def, rtx base, poly_int64 wb_offset )

static

References insn_propagation::apply_to_pattern(), as_a(), crtl, dump_file, insn_propagation::failure_reason, gcc_checking_assert, GET_MODE, use::insn, INSN_VAR_LOCATION_LOC, plus_constant(), pp_formatted_text(), pp_string(), print_dec(), REG_P, REGNO, reset_debug_use(), and def::uses.

Referenced by fixup_debug_uses(), and fixup_debug_uses_trailing_add().

fixup_debug_uses()

static void fixup_debug_uses ( obstack_watermark & attempt, insn_info * insns[2], rtx orig_rtl[2], insn_info * pair_dst, insn_info * trailing_add, bool load_p, int writeback, rtx writeback_effect, unsigned base_regno )

static

References as_a(), crtl, defs, dump_file, dyn_cast(), fixup_debug_use(), fixup_debug_uses_trailing_add(), gcc_assert, gcc_checking_assert, GET_CODE, GET_RTX_CLASS, i, use::insn, insns, iterate_safely(), NULL_RTX, offset, pair_mem_strip_offset(), REG_P, REGNO, reset_debug_use(), RTX_AUTOINC, safe_dyn_cast(), and XEXP.

Referenced by pair_fusion_bb_info::fuse_pair().

fixup_debug_uses_trailing_add()

static void fixup_debug_uses_trailing_add ( obstack_watermark & attempt, insn_info * pair_dst, insn_info * trailing_add, rtx writeback_effect )

static

References defs, fixup_debug_use(), gcc_checking_assert, use::insn, iterate_safely(), rtx_equal_p(), safe_dyn_cast(), SET_DEST, SET_SRC, and strip_offset().

Referenced by fixup_debug_uses(), and pair_fusion::try_promote_writeback().

gen_tombstone()

static rtx gen_tombstone ( void )

static

References gen_rtx_MEM().

Referenced by pair_fusion_bb_info::fuse_pair().

get_def_range()

static insn_range_info get_def_range ( def_info * def )

static

References last.

Referenced by def_downwards_move_range().

latest_hazard_before()

static insn_info * latest_hazard_before ( insn_info * insn, rtx * ignore, insn_info * ignore_insn = nullptr )

static

References cfun, dyn_cast(), find_reg_note(), gcc_checking_assert, HARD_REGISTER_NUM_P, use::insn, NULL_RTX, PATTERN(), and refers_to_regno_p().

Referenced by pair_fusion::find_trailing_add(), and pair_fusion_bb_info::try_fuse_pair().

load_modified_by_store_p()

static bool load_modified_by_store_p ( insn_info * load, insn_info * store, int & budget )

static

References CALL_P, dump_file, FOR_EACH_SUBRTX_VAR, gcc_checking_assert, MEM_P, memory_modified_in_insn_p(), and PATTERN().

Referenced by load_walker< reverse >::alias_conflict_p().

pair_mem_strip_offset()

static rtx pair_mem_strip_offset ( rtx mem, poly_int64 * offset )

static

References gcc_checking_assert, GET_CODE, GET_MODE, GET_MODE_SIZE(), offset, REG_P, rtx_equal_p(), strip_offset(), and XEXP.

Referenced by extract_writebacks(), fixup_debug_uses(), pair_fusion::get_viable_bases(), and pair_fusion_bb_info::track_access().

ranges_overlap_p()

static bool ranges_overlap_p ( const insn_range_info & r1, const insn_range_info & r2 )

static

Referenced by do_structure_copy(), and try_repurpose_store().

reset_debug_use()

static void reset_debug_use ( use_info * use )

static

References crtl, gen_rtx_UNKNOWN_VAR_LOC, use::insn, and INSN_VAR_LOCATION_LOC.

Referenced by fixup_debug_use(), and fixup_debug_uses().

store_modifies_mem_p()

static bool store_modifies_mem_p ( rtx mem, insn_info * store_insn, int & budget )

static

References dump_file, memory_modified_in_insn_p(), and print_simple_rtl().

Referenced by store_walker< reverse, InsnPredicate >::alias_conflict_p().

try_repurpose_store()

static insn_info * try_repurpose_store ( insn_info * first, insn_info * second, const insn_range_info & move_range )

static

References def_downwards_move_range(), def_upwards_move_range(), defs, and ranges_overlap_p().

Referenced by pair_fusion_bb_info::fuse_pair().