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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/value-prof.h')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/value-prof.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/value-prof.h b/gcc-4.2.1-5666.3/gcc/value-prof.h deleted file mode 100644 index 7695c03bb..000000000 --- a/gcc-4.2.1-5666.3/gcc/value-prof.h +++ /dev/null @@ -1,109 +0,0 @@ -/* Definitions for transformations based on profile information for values. - Copyright (C) 2003, 2004, 2005 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 -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -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, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#ifndef GCC_VALUE_PROF_H -#define GCC_VALUE_PROF_H - -/* Supported histogram types. */ -enum hist_type -{ - HIST_TYPE_INTERVAL, /* Measures histogram of values inside a specified - interval. */ - 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 - difference between two evaluations of a value. */ -}; - -#define COUNTER_FOR_HIST_TYPE(TYPE) ((int) (TYPE) + GCOV_FIRST_VALUE_COUNTER) -#define HIST_TYPE_FOR_COUNTER(COUNTER) \ - ((enum hist_type) ((COUNTER) - GCOV_FIRST_VALUE_COUNTER)) - -/* The value to measure. */ -struct histogram_value_t -{ - struct - { - tree value; /* The value to profile. */ - tree 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 - { - struct - { - int int_start; /* First value in interval. */ - unsigned int steps; /* Number of values in it. */ - } intvl; /* Interval histogram data. */ - } hdata; /* Profiled information specific data. */ -}; - -typedef struct histogram_value_t *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); - -/* 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); -}; - -/* 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 */ - |