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			54 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
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    Copyright (c) 1998-2002 by Florian Klaempfl
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    This unit implements the x86-64 specific class for the register
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    allocator
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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 rgcpu;
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{$i fpcdefs.inc}
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  interface
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     uses
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       cgbase,rgx86;
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     type
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       trgcpu = class(trgx86)
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         procedure add_constraints(reg:Tregister); override;
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       end;
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  implementation
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    uses
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      cpubase;
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    procedure trgcpu.add_constraints(reg:Tregister);
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      var
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        supreg : tsuperregister;
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      begin
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        supreg:=getsupreg(reg);
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        { All registers conflict with rsp/rbp }
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        add_edge(supreg,RS_RSP);
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        // add_edge(supreg,RS_RBP);
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      end;
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end.
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