/* Definitions for transformations based on profile information for values.
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
/* The value to measure. */
/* The void *'s are either rtx or tree, depending on which IR is in use. */
-struct histogram_value
+struct histogram_value_t GTY(())
{
- void * value; /* The value to profile. */
- enum machine_mode mode; /* And its mode. */
- void * seq; /* Insns required to count the profiled value. */
- void * insn; /* Insn before that to measure. */
- enum hist_type type; /* Type of information to measure. */
- unsigned n_counters; /* Number of required counters. */
+ PTR GTY ((skip (""))) value; /* The value to profile. */
+ enum machine_mode mode; /* And its mode. */
+ PTR GTY ((skip (""))) seq; /* Insns required to count the
+ profiled value. */
+ PTR GTY ((skip (""))) insn; /* Insn before that to measure. */
+ enum hist_type type; /* Type of information to measure. */
+ unsigned n_counters; /* Number of required counters. */
union
{
struct
} hdata; /* Profiled information specific data. */
};
+typedef struct histogram_value_t *histogram_value;
+
+DEF_VEC_GC_P(histogram_value);
+
+typedef VEC(histogram_value) *histogram_values;
+
/* Hooks registration. */
extern void rtl_register_value_prof_hooks (void);
extern void tree_register_value_prof_hooks (void);
/* IR-independent entry points. */
-extern void find_values_to_profile (unsigned *, struct histogram_value **);
-extern void free_profiled_values (unsigned, struct histogram_value *);
+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) (struct histogram_value *, unsigned, unsigned);
+ void (*gen_interval_profiler) (histogram_value, unsigned, unsigned);
/* Insert code to increment the power of two histogram counter. */
- void (*gen_pow2_profiler) (struct histogram_value *, unsigned, unsigned);
+ void (*gen_pow2_profiler) (histogram_value, unsigned, unsigned);
/* Insert code to find the most common value. */
- void (*gen_one_value_profiler) (struct histogram_value *, unsigned, unsigned);
+ 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) (struct histogram_value *, unsigned,
- unsigned);
+ void (*gen_const_delta_profiler) (histogram_value, unsigned, unsigned);
FILE * (*profile_dump_file) (void);
};