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authorhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>2008-08-18 19:22:36 +0000
committerhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>2008-08-18 19:22:36 +0000
commit4d0f95c0a6e9d542c8c610b75c117a8ca7c4a41c (patch)
tree060937b5df4e596feda6a76bda478cc327cf8644
parent4679bb0cc91866d2516ee1a0936895da652df946 (diff)
downloadppe42-gcc-4d0f95c0a6e9d542c8c610b75c117a8ca7c4a41c.tar.gz
ppe42-gcc-4d0f95c0a6e9d542c8c610b75c117a8ca7c4a41c.zip
2008-08-18 H.J. Lu <hongjiu.lu@intel.com>
* profile.h: Really add it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139210 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/profile.h47
2 files changed, 52 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 128edeadae2..690562bc24a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
2008-08-18 H.J. Lu <hongjiu.lu@intel.com>
+ * profile.h: Really add it.
+
+2008-08-18 H.J. Lu <hongjiu.lu@intel.com>
+
* mcf.c: Really add it.
2008-08-18 Paul Yuan <yingbo.com@gmail.com>
@@ -14,6 +18,7 @@
Follow check_counter parameter change.
* common.opt (fprofile-correction): New option.
* mcf.c: New file.
+ * profile.h: Likewise.
* profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
(sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
is_inconsistent, set_bb_counts, read_profile_edge_counts): New
diff --git a/gcc/profile.h b/gcc/profile.h
new file mode 100644
index 00000000000..fe3c2f997b7
--- /dev/null
+++ b/gcc/profile.h
@@ -0,0 +1,47 @@
+/* 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 3, 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 COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef PROFILE_H
+#define PROFILE_H
+
+/* Additional information about edges. */
+struct edge_info
+{
+ 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;
+};
+
+#define EDGE_INFO(e) ((struct edge_info *) (e)->aux)
+
+/* Smoothes the initial assigned basic block and edge counts using
+ a minimum cost flow algorithm. */
+extern void mcf_smooth_cfg (void);
+
+extern gcov_type sum_edge_counts (VEC (edge, gc) *edges);
+
+#endif /* PROFILE_H */
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