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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [profile.h] - Blame information for rev 856

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1 280 jeremybenn
/* Header file for minimum-cost maximal flow routines used to smooth basic
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   block and edge frequency counts.
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   Copyright (C) 2008
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   Free Software Foundation, Inc.
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   Contributed by Paul Yuan (yingbo.com@gmail.com)
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       and Vinodha Ramasamy (vinodha@google.com).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#ifndef PROFILE_H
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#define PROFILE_H
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/* Additional information about edges. */
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struct edge_info
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{
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  unsigned int count_valid:1;
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  /* Is on the spanning tree.  */
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  unsigned int on_tree:1;
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  /* Pretend this edge does not exist (it is abnormal and we've
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     inserted a fake to compensate).  */
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  unsigned int ignore:1;
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};
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#define EDGE_INFO(e)  ((struct edge_info *) (e)->aux)
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/* Smoothes the initial assigned basic block and edge counts using
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   a minimum cost flow algorithm. */
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extern void mcf_smooth_cfg (void);
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extern gcov_type sum_edge_counts (VEC (edge, gc) *edges);
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#endif /* PROFILE_H */

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