Mercurial > hg > CbC > CbC_gcc
annotate gcc/value-prof.h @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
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| 0 | 1 /* Definitions for transformations based on profile information for values. |
| 145 | 2 Copyright (C) 2003-2020 Free Software Foundation, Inc. |
| 0 | 3 |
| 4 This file is part of GCC. | |
| 5 | |
| 6 GCC is free software; you can redistribute it and/or modify it under | |
| 7 the terms of the GNU General Public License as published by the Free | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with GCC; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 #ifndef GCC_VALUE_PROF_H | |
| 21 #define GCC_VALUE_PROF_H | |
| 22 | |
| 23 /* Supported histogram types. */ | |
| 24 enum hist_type | |
| 25 { | |
| 26 HIST_TYPE_INTERVAL, /* Measures histogram of values inside a specified | |
| 27 interval. */ | |
| 28 HIST_TYPE_POW2, /* Histogram of power of 2 values. */ | |
| 145 | 29 HIST_TYPE_TOPN_VALUES, /* Tries to identify the N most common values. */ |
|
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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30 HIST_TYPE_INDIR_CALL, /* Tries to identify the function that is (almost) |
| 0 | 31 called in indirect call */ |
| 32 HIST_TYPE_AVERAGE, /* Compute average value (sum of all values). */ | |
| 111 | 33 HIST_TYPE_IOR, /* Used to compute expected alignment. */ |
| 34 HIST_TYPE_TIME_PROFILE, /* Used for time profile */ | |
| 35 HIST_TYPE_MAX | |
| 0 | 36 }; |
| 37 | |
| 38 #define COUNTER_FOR_HIST_TYPE(TYPE) ((int) (TYPE) + GCOV_FIRST_VALUE_COUNTER) | |
| 39 #define HIST_TYPE_FOR_COUNTER(COUNTER) \ | |
| 40 ((enum hist_type) ((COUNTER) - GCOV_FIRST_VALUE_COUNTER)) | |
| 41 | |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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42 |
| 0 | 43 /* The value to measure. */ |
| 44 struct histogram_value_t | |
| 45 { | |
| 46 struct | |
| 47 { | |
| 48 tree value; /* The value to profile. */ | |
| 111 | 49 gimple *stmt; /* Insn containing the value. */ |
| 0 | 50 gcov_type *counters; /* Pointer to first counter. */ |
| 51 struct histogram_value_t *next; /* Linked list pointer. */ | |
| 52 } hvalue; | |
| 53 enum hist_type type; /* Type of information to measure. */ | |
| 54 unsigned n_counters; /* Number of required counters. */ | |
| 111 | 55 struct function *fun; |
| 0 | 56 union |
| 57 { | |
| 58 struct | |
| 59 { | |
| 60 int int_start; /* First value in interval. */ | |
| 61 unsigned int steps; /* Number of values in it. */ | |
| 62 } intvl; /* Interval histogram data. */ | |
| 63 } hdata; /* Profiled information specific data. */ | |
| 64 }; | |
| 65 | |
| 66 typedef struct histogram_value_t *histogram_value; | |
| 67 typedef const struct histogram_value_t *const_histogram_value; | |
| 68 | |
| 69 | |
| 111 | 70 typedef vec<histogram_value> histogram_values; |
| 0 | 71 |
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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72 extern void gimple_find_values_to_profile (histogram_values *); |
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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73 extern bool gimple_value_profile_transformations (void); |
| 0 | 74 |
| 111 | 75 histogram_value gimple_alloc_histogram_value (struct function *, enum hist_type, |
| 145 | 76 gimple *stmt = NULL, |
| 77 tree value = NULL_TREE); | |
| 111 | 78 histogram_value gimple_histogram_value (struct function *, gimple *); |
| 79 histogram_value gimple_histogram_value_of_type (struct function *, gimple *, | |
| 0 | 80 enum hist_type); |
| 111 | 81 void gimple_add_histogram_value (struct function *, gimple *, histogram_value); |
| 82 void dump_histograms_for_stmt (struct function *, FILE *, gimple *); | |
| 83 void gimple_remove_histogram_value (struct function *, gimple *, histogram_value); | |
| 84 void gimple_remove_stmt_histograms (struct function *, gimple *); | |
| 85 void gimple_duplicate_stmt_histograms (struct function *, gimple *, | |
| 86 struct function *, gimple *); | |
| 87 void gimple_move_stmt_histograms (struct function *, gimple *, gimple *); | |
| 0 | 88 void verify_histograms (void); |
| 111 | 89 void free_histograms (function *); |
| 90 void stringop_block_profile (gimple *, unsigned int *, HOST_WIDE_INT *); | |
| 131 | 91 gcall *gimple_ic (gcall *, struct cgraph_node *, profile_probability); |
| 145 | 92 bool get_nth_most_common_value (gimple *stmt, const char *counter_type, |
| 93 histogram_value hist, gcov_type *value, | |
| 94 gcov_type *count, gcov_type *all, | |
| 95 unsigned n = 0); | |
| 0 | 96 |
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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97 /* In tree-profile.c. */ |
| 111 | 98 extern void gimple_init_gcov_profiler (void); |
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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99 extern void gimple_gen_edge_profiler (int, edge); |
| 145 | 100 extern void gimple_gen_interval_profiler (histogram_value, unsigned); |
| 101 extern void gimple_gen_pow2_profiler (histogram_value, unsigned); | |
| 102 extern void gimple_gen_topn_values_profiler (histogram_value, unsigned); | |
| 103 extern void gimple_gen_ic_profiler (histogram_value, unsigned); | |
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67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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104 extern void gimple_gen_ic_func_profiler (void); |
| 145 | 105 extern void gimple_gen_time_profiler (unsigned); |
| 106 extern void gimple_gen_average_profiler (histogram_value, unsigned); | |
| 107 extern void gimple_gen_ior_profiler (histogram_value, unsigned); | |
| 111 | 108 extern void stream_out_histogram_value (struct output_block *, histogram_value); |
| 145 | 109 extern void stream_in_histogram_value (class lto_input_block *, gimple *); |
| 111 | 110 extern struct cgraph_node* find_func_by_profile_id (int func_id); |
| 111 | |
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67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
112 |
| 0 | 113 /* In profile.c. */ |
| 114 extern void init_branch_prob (void); | |
| 145 | 115 extern void branch_prob (bool); |
| 116 extern void read_thunk_profile (struct cgraph_node *); | |
| 0 | 117 extern void end_branch_prob (void); |
| 118 | |
| 119 #endif /* GCC_VALUE_PROF_H */ | |
| 120 |