* config/i386/i386.md (@cmp<mode>_1): Rename from cmp<mode>_1.

[thirdparty/gcc.git] / gcc / profile.h

diff --git a/gcc/profile.h b/gcc/profile.h
index 5d681e8f5db9ec14b7ecbb4f1a91ff61e8f8912a..e30630de5d10ef1eae22459eabffa1ca5cab985b 100644 (file)
--- a/gcc/profile.h
+++ b/gcc/profile.h
@@ -1,11 +1,13 @@
-/* profile.h - Defines data exported from profile.c to other passes.
-   Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Header file for minimum-cost maximal flow routines used to smooth basic
+   block and edge frequency counts.
+   Copyright (C) 2008-2019 Free Software Foundation, Inc.
+   Contributed by Paul Yuan (yingbo.com@gmail.com)
+       and Vinodha Ramasamy (vinodha@google.com).
 
 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
@@ -14,49 +16,65 @@ 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.  */
-
-#ifndef GCC_PROFILE_H
-#define GCC_PROFILE_H
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
-/* The number of different counter sections.  */
-#define MAX_COUNTER_SECTIONS   1
+#ifndef PROFILE_H
+#define PROFILE_H
 
-/* Info about number of counters in the section.  */
-struct section_info
+/* Additional information about edges. */
+struct edge_profile_info
 {
-  unsigned tag;                /* Section tag.  */
-  int present;         /* Are the data from this section read into gcc?  */
-  int n_counters;      /* Total number of counters.  */
-  int n_counters_now;  /* Number of counters in the current function.  */
+  unsigned int count_valid:1;
+
+  /* Is on the spanning tree.  */
+  unsigned int on_tree:1;
+
+  /* Pretend this edge does not exist (it is abnormal and we've
+     inserted a fake to compensate).  */
+  unsigned int ignore:1;
 };
 
-struct profile_info
-  {
-    /* Information about numbers of counters in counter sections, for
-       allocating the storage and storing the sizes.  */
-    unsigned n_sections;
-    struct section_info section_info[MAX_COUNTER_SECTIONS];
-    
-    /* Checksum of the cfg. Used for 'identification' of code.
-       Used by final.  */
+#define EDGE_INFO(e)  ((struct edge_profile_info *) (e)->aux)
+
+/* Helpers annotating edges/basic blocks to GCOV counts.  */
+
+extern vec<gcov_type> bb_gcov_counts;
+extern hash_map<edge,gcov_type> *edge_gcov_counts;
+
+inline gcov_type &
+edge_gcov_count (edge e)
+{
+  bool existed;
+  gcov_type &c = edge_gcov_counts->get_or_insert (e, &existed);
+  if (!existed)
+    c = 0;
+  return c;
+}
+
+inline gcov_type &
+bb_gcov_count (basic_block bb)
+{
+  return bb_gcov_counts[bb->index];
+}
 
-    unsigned current_function_cfg_checksum;
+typedef struct gcov_working_set_info gcov_working_set_t;
+extern gcov_working_set_t *find_working_set (unsigned pct_times_10);
+extern void add_working_set (gcov_working_set_t *);
 
-    /* Max. value of counter in program corresponding to the profile data
-       for the current function.  */
+/* Smoothes the initial assigned basic block and edge counts using
+   a minimum cost flow algorithm. */
+extern void mcf_smooth_cfg (void);
 
-    gcov_type max_counter_in_program;
+extern gcov_type sum_edge_counts (vec<edge, va_gc> *edges);
 
-    /* The number of profiles merged to form the profile data for the current
-       function.  */
-    int count_profiles_merged;
-  };
+extern void init_node_map (bool);
+extern void del_node_map (void);
 
-extern struct profile_info profile_info;
+extern void get_working_sets (void);
 
-struct section_info *find_counters_section     PARAMS ((unsigned));
+/* Counter summary from the last set of coverage counts read by
+   profile.c.  */
+extern struct gcov_summary *profile_info;
 
-#endif
+#endif /* PROFILE_H */