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| author | Diego Novillo <dnovillo@gcc.gnu.org> | 2004-05-13 02:41:07 -0400 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2004-05-13 02:41:07 -0400 |
| commit | 6de9cd9a886ea695aa892c3c7c07818a7b7e9e6f (patch) | |
| tree | a2568888a519c077427b133de9ece5879a8484a5 /gcc/value-prof.h | |
| parent | ac1a20aec53364d77f3bdff94a2a0a06840e0fe9 (diff) | |
| download | gcc-6de9cd9a886ea695aa892c3c7c07818a7b7e9e6f.zip gcc-6de9cd9a886ea695aa892c3c7c07818a7b7e9e6f.tar.gz gcc-6de9cd9a886ea695aa892c3c7c07818a7b7e9e6f.tar.bz2 | |
Merge tree-ssa-20020619-branch into mainline.
From-SVN: r81764
Diffstat (limited to 'gcc/value-prof.h')
| -rw-r--r-- | gcc/value-prof.h | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/gcc/value-prof.h b/gcc/value-prof.h index afbeb91..16276f2 100644 --- a/gcc/value-prof.h +++ b/gcc/value-prof.h @@ -18,6 +18,9 @@ along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#ifndef GCC_VALUE_PROF_H +#define GCC_VALUE_PROF_H + /* Supported histogram types. */ enum hist_type { @@ -35,12 +38,13 @@ enum hist_type ((enum hist_type) ((COUNTER) - GCOV_FIRST_VALUE_COUNTER)) /* The value to measure. */ +/* The void *'s are either rtx or tree, depending on which IR is in use. */ struct histogram_value { - rtx value; /* The value to profile. */ + void * value; /* The value to profile. */ enum machine_mode mode; /* And its mode. */ - rtx seq; /* Insns required to count the profiled value. */ - rtx insn; /* Insn before that to measure. */ + 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. */ union @@ -59,6 +63,48 @@ struct histogram_value } hdata; /* Profiled information specific data. */ }; +/* 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 bool value_profile_transformations (void); + +/* External declarations for edge-based profiling. */ +struct profile_hooks { + /* 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); + + /* Insert code to increment the power of two histogram counter. */ + void (*gen_pow2_profiler) (struct histogram_value *, unsigned, unsigned); + + /* Insert code to find the most common value. */ + void (*gen_one_value_profiler) (struct 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); + FILE * (*profile_dump_file) (void); +}; + +/* 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); +extern void rtl_register_profile_hooks (void); + +/* In tree-profile.c. */ +extern struct profile_hooks tree_profile_hooks; + +/* In rtl-profile.c. */ +extern struct profile_hooks rtl_profile_hooks; + +#endif /* GCC_VALUE_PROF_H */ + |