X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fvalue-prof.h;h=907cd78560023d38565df1c4420e8a85c0a86c44;hb=1359ee7afa8bb57cdaf6326609eb1b1d97668231;hp=60215fde30dc4dd9198f98214ea1fe6e9eee0163;hpb=8a5df2ceff755c1f799239f751f78e87cbfdcb36;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/value-prof.h b/gcc/value-prof.h index 60215fde30d..907cd785600 100644 --- a/gcc/value-prof.h +++ b/gcc/value-prof.h @@ -1,11 +1,11 @@ /* Definitions for transformations based on profile information for values. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005, 2007, 2008 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 @@ -14,9 +14,8 @@ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 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, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ +along with GCC; see the file COPYING3. If not see +. */ #ifndef GCC_VALUE_PROF_H #define GCC_VALUE_PROF_H @@ -29,8 +28,12 @@ enum hist_type HIST_TYPE_POW2, /* Histogram of power of 2 values. */ HIST_TYPE_SINGLE_VALUE, /* Tries to identify the value that is (almost) always constant. */ - HIST_TYPE_CONST_DELTA /* Tries to identify the (almost) 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) + called in indirect call */ + HIST_TYPE_AVERAGE, /* Compute average value (sum of all values). */ + HIST_TYPE_IOR /* Used to compute expected alignment. */ }; #define COUNTER_FOR_HIST_TYPE(TYPE) ((int) (TYPE) + GCOV_FIRST_VALUE_COUNTER) @@ -38,14 +41,15 @@ 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_t GTY(()) +struct histogram_value_t { - 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. */ + struct + { + tree value; /* The value to profile. */ + gimple stmt; /* Insn containing the value. */ + gcov_type *counters; /* Pointer to first counter. */ + struct histogram_value_t *next; /* Linked list pointer. */ + } hvalue; enum hist_type type; /* Type of information to measure. */ unsigned n_counters; /* Number of required counters. */ union @@ -53,26 +57,21 @@ struct histogram_value_t GTY(()) struct { int int_start; /* First value in interval. */ - int steps; /* Number of values in it. */ - int may_be_less; /* May the value be below? */ - int may_be_more; /* Or above. */ + unsigned int steps; /* Number of values in it. */ } intvl; /* Interval histogram data. */ - struct - { - int may_be_other; /* If the value may be non-positive or not 2^k. */ - } pow2; /* Power of 2 histogram data. */ } hdata; /* Profiled information specific data. */ }; 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) *histogram_values; +typedef VEC(histogram_value,heap) *histogram_values; /* Hooks registration. */ -extern void rtl_register_value_prof_hooks (void); -extern void tree_register_value_prof_hooks (void); +extern void gimple_register_value_prof_hooks (void); /* IR-independent entry points. */ extern void find_values_to_profile (histogram_values *); @@ -80,6 +79,10 @@ extern bool value_profile_transformations (void); /* 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); @@ -95,21 +98,39 @@ struct profile_hooks { /* 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); - FILE * (*profile_dump_file) (void); + + /* 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 *, 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 (gimple, unsigned int *, HOST_WIDE_INT *); + /* 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 */