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58 lines
1.7 KiB
ObjectPascal
58 lines
1.7 KiB
ObjectPascal
{
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Basic node optimizer stuff
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Copyright (c) 2007 by Florian Klaempfl
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License 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 this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit optbase;
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{$i fpcdefs.inc}
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interface
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uses
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globtype,cdynset;
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type
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{ this should maybe replaced by a spare set,
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using a dyn. array makes assignments cheap }
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tdfaset = TDynSet;
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PDFASet = ^TDynSet;
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toptinfo = record
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{ index of the current node inside the dfa sets }
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index : aword;
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{ dfa }
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def : tdfaset;
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use : tdfaset;
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life : tdfaset;
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{ all definitions made by this node and its children }
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defsum : tdfaset;
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{ all used nodes by this node and its children }
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usesum : tdfaset;
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avail : tdfaset;
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{ estimation, how often the node is executed per subroutine call times 100, calculated by optutils.CalcExecutionWeight }
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executionweight : longint;
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end;
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poptinfo = ^toptinfo;
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implementation
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end.
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