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| author | H.J. Lu <hjl@gcc.gnu.org> | 2008-08-18 12:22:36 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2008-08-18 12:22:36 -0700 |
| commit | 3aa71f9da012bd82ee327edeb03723d9ef951955 (patch) | |
| tree | 060937b5df4e596feda6a76bda478cc327cf8644 /gcc | |
| parent | f7bc085cf155e800fe6ec86e01f2afd69ade6a2e (diff) | |
| download | gcc-3aa71f9da012bd82ee327edeb03723d9ef951955.zip gcc-3aa71f9da012bd82ee327edeb03723d9ef951955.tar.gz gcc-3aa71f9da012bd82ee327edeb03723d9ef951955.tar.bz2 | |
profile.h: Really add it.
2008-08-18 H.J. Lu <hongjiu.lu@intel.com>
* profile.h: Really add it.
From-SVN: r139210
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/profile.h | 47 |
2 files changed, 52 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 128edea..690562b 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 0000000..fe3c2f9 --- /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 */ |