X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fprofile.h;h=fe3c2f997b710390d1d2e529050751670165ce11;hb=b74c019cc5ae3f52f30a39bff4d7a50417bdef74;hp=5d681e8f5db9ec14b7ecbb4f1a91ff61e8f8912a;hpb=77a89ce1ce0b877655e30319de586c09c1208637;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/profile.h b/gcc/profile.h
index 5d681e8f5db..fe3c2f997b7 100644
--- a/gcc/profile.h
+++ b/gcc/profile.h
@@ -1,11 +1,14 @@
-/* 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
+   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 +17,31 @@ 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_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;
 
-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.  */
+  /* Is on the spanning tree.  */
+  unsigned int on_tree:1;
 
-    unsigned current_function_cfg_checksum;
-
-    /* Max. value of counter in program corresponding to the profile data
-       for the current function.  */
-
-    gcov_type max_counter_in_program;
+  /* Pretend this edge does not exist (it is abnormal and we've
+     inserted a fake to compensate).  */
+  unsigned int ignore:1;
+};
 
-    /* The number of profiles merged to form the profile data for the current
-       function.  */
-    int count_profiles_merged;
-  };
+#define EDGE_INFO(e)  ((struct edge_info *) (e)->aux)
 
-extern struct profile_info profile_info;
+/* Smoothes the initial assigned basic block and edge counts using
+   a minimum cost flow algorithm. */
+extern void mcf_smooth_cfg (void);
 
-struct section_info *find_counters_section	PARAMS ((unsigned));
+extern gcov_type sum_edge_counts (VEC (edge, gc) *edges);
 
-#endif
+#endif /* PROFILE_H */