/* Definitions for transformations based on profile information for values.
- Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2007, 2008, 2010
+ Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_VALUE_PROF_H
#define GCC_VALUE_PROF_H
always constant. */
HIST_TYPE_CONST_DELTA, /* Tries to identify the (almost) always constant
difference between two evaluations of a value. */
- HIST_TYPE_INDIR_CALL, /* Tries to identify the function that is (almost)
+ HIST_TYPE_INDIR_CALL, /* Tries to identify the function that is (almost)
called in indirect call */
HIST_TYPE_AVERAGE, /* Compute average value (sum of all values). */
HIST_TYPE_IOR /* Used to compute expected alignment. */
#define HIST_TYPE_FOR_COUNTER(COUNTER) \
((enum hist_type) ((COUNTER) - GCOV_FIRST_VALUE_COUNTER))
+\f
/* The value to measure. */
struct histogram_value_t
{
struct
{
tree value; /* The value to profile. */
- tree stmt; /* Insn containing the value. */
+ gimple stmt; /* Insn containing the value. */
gcov_type *counters; /* Pointer to first counter. */
struct histogram_value_t *next; /* Linked list pointer. */
} hvalue;
};
typedef struct histogram_value_t *histogram_value;
+typedef const struct histogram_value_t *const_histogram_value;
DEF_VEC_P(histogram_value);
DEF_VEC_ALLOC_P(histogram_value,heap);
typedef VEC(histogram_value,heap) *histogram_values;
-/* Hooks registration. */
-extern void tree_register_value_prof_hooks (void);
-
-/* IR-independent entry points. */
-extern void find_values_to_profile (histogram_values *);
-extern bool value_profile_transformations (void);
-\f
-/* External declarations for edge-based profiling. */
-struct profile_hooks {
-
- /* Insert code to initialize edge profiler. */
- void (*init_edge_profiler) (void);
-
- /* Insert code to increment an edge count. */
- void (*gen_edge_profiler) (int, edge);
-
- /* Insert code to increment the interval histogram counter. */
- void (*gen_interval_profiler) (histogram_value, unsigned, unsigned);
-
- /* Insert code to increment the power of two histogram counter. */
- void (*gen_pow2_profiler) (histogram_value, unsigned, unsigned);
-
- /* Insert code to find the most common value. */
- void (*gen_one_value_profiler) (histogram_value, unsigned, unsigned);
-
- /* Insert code to find the most common value of a difference between two
- evaluations of an expression. */
- void (*gen_const_delta_profiler) (histogram_value, unsigned, unsigned);
-
- /* Insert code to find the most common indirect call */
- void (*gen_ic_profiler) (histogram_value, unsigned, unsigned);
-
- /* Insert code to find the average value of an expression. */
- void (*gen_average_profiler) (histogram_value, unsigned, unsigned);
-
- /* Insert code to ior value of an expression. */
- void (*gen_ior_profiler) (histogram_value, unsigned, unsigned);
-};
-
-histogram_value gimple_histogram_value (struct function *, tree);
-histogram_value gimple_histogram_value_of_type (struct function *, tree, enum hist_type);
-void gimple_add_histogram_value (struct function *, tree, histogram_value);
-void gimple_remove_histogram_value (struct function *, tree, histogram_value);
-void dump_histograms_for_stmt (struct function *, FILE *, tree);
-void gimple_remove_histogram_value (struct function *, tree, histogram_value);
-void gimple_remove_stmt_histograms (struct function *, tree);
-void gimple_duplicate_stmt_histograms (struct function *, tree, struct function *, tree);
+extern void gimple_find_values_to_profile (histogram_values *);
+extern bool gimple_value_profile_transformations (void);
+
+histogram_value gimple_histogram_value (struct function *, gimple);
+histogram_value gimple_histogram_value_of_type (struct function *, gimple,
+ enum hist_type);
+void gimple_add_histogram_value (struct function *, gimple, histogram_value);
+void dump_histograms_for_stmt (struct function *, FILE *, gimple);
+void gimple_remove_histogram_value (struct function *, gimple, histogram_value);
+void gimple_remove_stmt_histograms (struct function *, gimple);
+void gimple_duplicate_stmt_histograms (struct function *, gimple,
+ struct function *, gimple);
+void gimple_move_stmt_histograms (struct function *, gimple, gimple);
void verify_histograms (void);
void free_histograms (void);
-void stringop_block_profile (tree, unsigned int *, HOST_WIDE_INT *);
+void stringop_block_profile (gimple, unsigned int *, HOST_WIDE_INT *);
+
+/* In tree-profile.c. */
+extern void gimple_init_edge_profiler (void);
+extern void gimple_gen_edge_profiler (int, edge);
+extern void gimple_gen_interval_profiler (histogram_value, unsigned, unsigned);
+extern void gimple_gen_pow2_profiler (histogram_value, unsigned, unsigned);
+extern void gimple_gen_one_value_profiler (histogram_value, unsigned, unsigned);
+extern void gimple_gen_ic_profiler (histogram_value, unsigned, unsigned);
+extern void gimple_gen_ic_func_profiler (void);
+extern void gimple_gen_const_delta_profiler (histogram_value,
+ unsigned, unsigned);
+extern void gimple_gen_average_profiler (histogram_value, unsigned, unsigned);
+extern void gimple_gen_ior_profiler (histogram_value, unsigned, unsigned);
/* In profile.c. */
extern void init_branch_prob (void);
extern void branch_prob (void);
extern void end_branch_prob (void);
-extern void tree_register_profile_hooks (void);
-
-/* In tree-profile.c. */
-extern struct profile_hooks tree_profile_hooks;
#endif /* GCC_VALUE_PROF_H */