osprey-gcc/gcc/tracer.c File Reference

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "rtl.h"
#include "hard-reg-set.h"
#include "basic-block.h"
#include "output.h"
#include "cfglayout.h"
#include "fibheap.h"
#include "flags.h"
#include "timevar.h"
#include "params.h"
#include "coverage.h"

Include dependency graph for tracer.c:

Go to the source code of this file.

Defines
#define	seen(bb)   (bb->rbi->visited || bb->rbi->next)
Functions/Subroutines
static int	count_insns (basic_block)
static bool	ignore_bb_p (basic_block)
static bool	better_p (edge, edge)
static edge	find_best_successor (basic_block)
static edge	find_best_predecessor (basic_block)
static int	find_trace (basic_block, basic_block *)
static void	tail_duplicate (void)
static void	layout_superblocks (void)
void	tracer (unsigned int flags)
Variables
static int	probability_cutoff
static int	branch_ratio_cutoff

---

Define Documentation

#define seen

(

bb

)

(bb->rbi->visited || bb->rbi->next)

Definition at line 68 of file tracer.c.

---

Function Documentation

static bool better_p	(	edge	e1,
		edge	e2
	)			[static]

Definition at line 99 of file tracer.c.

References edge::dest, and edge::src.

static int count_insns

(

basic_block

bb

)

[static]

Definition at line 84 of file tracer.c.

References active_insn_p(), BB_END, BB_HEAD, insn, n, and NEXT_INSN.

static edge find_best_predecessor

(

basic_block

bb

)

[static]

Definition at line 136 of file tracer.c.

References better_p(), branch_ratio_cutoff, EDGE_FREQUENCY, FOR_EACH_EDGE, basic_block_def::frequency, ignore_bb_p(), NULL, REG_BR_PROB_BASE, and edge::src.

static edge find_best_successor

(

basic_block

bb

)

[static]

Definition at line 117 of file tracer.c.

References better_p(), edge::dest, FOR_EACH_EDGE, ignore_bb_p(), NULL, and probability_cutoff.

static int find_trace	(	basic_block	bb,
		basic_block *	trace
	)			[static]

Definition at line 157 of file tracer.c.

References edge::dest, dump_file, EDGE_COMPLEX, EDGE_DFS_BACK, find_best_predecessor(), find_best_successor(), edge::flags, fprintf(), basic_block_def::frequency, i, basic_block_def::index, NULL, seen, and edge::src.

static bool ignore_bb_p

(

basic_block

bb

)

[static]

Definition at line 72 of file tracer.c.

References basic_block_def::index, and maybe_hot_bb_p().

static void layout_superblocks

(

void

)

[static]

Definition at line 322 of file tracer.c.

References edge::dest, dest, EDGE_FREQUENCY, EDGE_SUCC, end, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR, FOR_EACH_EDGE, basic_block_def::next_bb, and NULL.

static void tail_duplicate

(

void

)

[static]

Definition at line 199 of file tracer.c.

References blocks, branch_ratio_cutoff, can_duplicate_block_p(), count_insns(), dump_file, duplicate_block(), EDGE_COUNT, fibheap_delete(), fibheap_delete_node(), fibheap_empty(), fibheap_extract_min(), fibheap_insert(), fibheap_new(), find_edge(), find_trace(), flag_branch_probabilities, FOR_EACH_BB, fprintf(), free(), basic_block_def::frequency, gcc_assert, ignore_bb_p(), basic_block_def::index, last_basic_block, n, n_basic_blocks, NULL, PARAM_VALUE, pos(), probability_cutoff, REG_BR_PROB_BASE, seen, xcalloc(), and xmalloc().

void tracer

(

unsigned int

flags

)

Definition at line 363 of file tracer.c.

---

Variable Documentation

int branch_ratio_cutoff [static]

Definition at line 63 of file tracer.c.

int probability_cutoff [static]

Definition at line 62 of file tracer.c.