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			99 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
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    Copyright (c) 1998-2002 by Mazen NEIFER
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    This unit contains the SPARC GAS instruction tables
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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 itcpugas;
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{$i fpcdefs.inc}
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interface
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    uses
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      cpubase,cgbase;
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    const
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      gas_op2str : array[tasmop] of string[14] = ({$INCLUDE strinst.inc});
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    function gas_regnum_search(const s:string):Tregister;
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    function gas_regname(r:Tregister):string;
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implementation
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    uses
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      cutils,verbose;
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    const
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      gas_regname_table : array[tregisterindex] of string[7] = (
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        {$i rspstd.inc}
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      );
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      gas_regname_index : array[tregisterindex] of tregisterindex = (
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        {$i rspsri.inc}
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      );
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    function findreg_by_gasname(const s:string):tregisterindex;
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      var
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        i,p : tregisterindex;
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      begin
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        {Binary search.}
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        p:=0;
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        i:=regnumber_count_bsstart;
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        repeat
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          if (p+i<=high(tregisterindex)) and (gas_regname_table[gas_regname_index[p+i]]<=s) then
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            p:=p+i;
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          i:=i shr 1;
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        until i=0;
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        if gas_regname_table[gas_regname_index[p]]=s then
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          findreg_by_gasname:=gas_regname_index[p]
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        else
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          findreg_by_gasname:=0;
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      end;
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    function gas_regnum_search(const s:string):Tregister;
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      begin
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        result:=regnumber_table[findreg_by_gasname(s)];
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      end;
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    function gas_regname(r:Tregister):string;
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      var
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        hr : tregister;
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        p  : longint;
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      begin
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        { Double uses the same table as single }
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        hr:=r;
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        case getsubreg(hr) of
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          R_SUBFD:
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            setsubreg(hr,R_SUBFS);
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          R_SUBL,R_SUBW,R_SUBD,R_SUBQ:
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            setsubreg(hr,R_SUBD);
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        end;
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        p:=findreg_by_number(hr);
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        if p<>0 then
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          result:=gas_regname_table[p]
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        else
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          result:=generic_regname(r);
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      end;
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end.
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