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			840 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			840 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
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|     $Id$
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|     Copyright (c) 2000-2002 by the FPC development team
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| 
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|     Code generation for add nodes (generic version)
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| 
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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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| 
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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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| 
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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 ncgadd;
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| 
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| {$i fpcdefs.inc}
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| 
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| interface
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| 
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|     uses
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|        node,nadd,cpubase;
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| 
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|     type
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|        tcgaddnode = class(taddnode)
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| {          function pass_1: tnode; override;}
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|           procedure pass_2;override;
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|          protected
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|           { call secondpass for both left and right }
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|           procedure pass_left_right;
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|           { set the register of the result location }
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|           procedure set_result_location_reg;
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|           { load left and right nodes into registers }
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|           procedure force_reg_left_right(allow_swap,allow_constant:boolean);
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|           { free used registers, except result location }
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|           procedure release_reg_left_right;
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| 
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|           procedure second_opfloat;
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|           procedure second_opboolean;
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|           procedure second_opsmallset;
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|           procedure second_op64bit;
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|           procedure second_opordinal;
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| 
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|           procedure second_addfloat;virtual;abstract;
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|           procedure second_addboolean;virtual;
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|           procedure second_addsmallset;virtual;
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|           procedure second_add64bit;virtual;
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|           procedure second_addordinal;virtual;
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|           procedure second_cmpfloat;virtual;abstract;
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|           procedure second_cmpboolean;virtual;
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|           procedure second_cmpsmallset;virtual;abstract;
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|           procedure second_cmp64bit;virtual;abstract;
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|           procedure second_cmpordinal;virtual;abstract;
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|        end;
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| 
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|   implementation
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| 
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|     uses
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|       globtype,systems,
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|       cutils,verbose,globals,
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|       symconst,symdef,paramgr,
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|       aasmbase,aasmtai,aasmcpu,defutil,htypechk,
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|       cgbase,cpuinfo,pass_1,pass_2,regvars,
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|       ncon,nset,ncgutil,tgobj,cgobj,
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| {$ifdef cpu64bit}
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|       cg64f64
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| {$else cpu64bit}
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|       cg64f32
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| {$endif cpu64bit}
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|       ;
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| 
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| 
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| {*****************************************************************************
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|                                   Helpers
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| *****************************************************************************}
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| 
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|     procedure tcgaddnode.pass_left_right;
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|       var
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|         tmpreg     : tregister;
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|         isjump,
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|         pushedfpu  : boolean;
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|         otl,ofl    : tasmlabel;
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|       begin
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|         { calculate the operator which is more difficult }
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|         firstcomplex(self);
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| 
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|         { in case of constant put it to the left }
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|         if (left.nodetype=ordconstn) then
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|           swapleftright;
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| 
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|         isjump:=(left.location.loc=LOC_JUMP);
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|         if isjump then
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|           begin
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|              otl:=truelabel;
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|              objectlibrary.getlabel(truelabel);
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|              ofl:=falselabel;
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|              objectlibrary.getlabel(falselabel);
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|           end;
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|         secondpass(left);
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|         if left.location.loc in [LOC_FLAGS,LOC_JUMP] then
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|           location_force_reg(exprasmlist,left.location,def_cgsize(resulttype.def),false);
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|         if isjump then
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|           begin
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|             truelabel:=otl;
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|             falselabel:=ofl;
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|           end;
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| 
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|         { are too few registers free? }
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|         if left.location.loc=LOC_FPUREGISTER then
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|           pushedfpu:=maybe_pushfpu(exprasmlist,right.registersfpu,left.location)
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|         else
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|           pushedfpu:=false;
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|         isjump:=(right.location.loc=LOC_JUMP);
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|         if isjump then
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|           begin
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|              otl:=truelabel;
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|              objectlibrary.getlabel(truelabel);
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|              ofl:=falselabel;
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|              objectlibrary.getlabel(falselabel);
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|           end;
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|         secondpass(right);
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|         if right.location.loc in [LOC_FLAGS,LOC_JUMP] then
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|           location_force_reg(exprasmlist,right.location,def_cgsize(resulttype.def),false);
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|         if isjump then
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|           begin
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|             truelabel:=otl;
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|             falselabel:=ofl;
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|           end;
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|         if pushedfpu then
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|           begin
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|             tmpreg := cg.getfpuregister(exprasmlist,left.location.size);
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|             cg.a_loadfpu_loc_reg(exprasmlist,left.location,tmpreg);
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|             location_reset(left.location,LOC_FPUREGISTER,left.location.size);
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|             left.location.register := tmpreg;
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|           end;
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|       end;
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| 
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| 
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|     procedure tcgaddnode.set_result_location_reg;
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|       begin
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|         location_reset(location,LOC_REGISTER,def_cgsize(resulttype.def));
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|         if left.location.loc=LOC_REGISTER then
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|           begin
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|             if TCGSize2Size[left.location.size]<>TCGSize2Size[location.size] then
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|               internalerror(200307041);
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| {$ifndef cpu64bit}
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|             if location.size in [OS_64,OS_S64] then
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|               begin
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|                 location.registerlow := left.location.registerlow;
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|                 location.registerhigh := left.location.registerhigh;
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|               end
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|             else
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| {$endif}
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|               location.register := left.location.register;
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|           end
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|         else
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|          if right.location.loc=LOC_REGISTER then
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|           begin
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|             if TCGSize2Size[right.location.size]<>TCGSize2Size[location.size] then
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|               internalerror(200307042);
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| {$ifndef cpu64bit}
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|             if location.size in [OS_64,OS_S64] then
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|               begin
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|                 location.registerlow := right.location.registerlow;
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|                 location.registerhigh := right.location.registerhigh;
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|               end
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|             else
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| {$endif}
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|               location.register := right.location.register;
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|           end
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|         else
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|           begin
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| {$ifndef cpu64bit}
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|             if location.size in [OS_64,OS_S64] then
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|               begin
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|                 location.registerlow := cg.getintregister(exprasmlist,OS_INT);
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|                 location.registerhigh := cg.getintregister(exprasmlist,OS_INT);
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|               end
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|             else
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| {$endif}
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|               location.register := cg.getintregister(exprasmlist,location.size);
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|           end;
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|       end;
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| 
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| 
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|     procedure tcgaddnode.force_reg_left_right(allow_swap,allow_constant:boolean);
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|       begin
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|         if (left.location.loc<>LOC_REGISTER) and
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|            not(
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|                allow_constant and
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|                (left.location.loc=LOC_CONSTANT)
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|               ) then
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|           location_force_reg(exprasmlist,left.location,left.location.size,false);
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|         if (right.location.loc<>LOC_REGISTER) and
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|            not(
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|                allow_constant and
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|                (right.location.loc=LOC_CONSTANT) and
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|                (left.location.loc<>LOC_CONSTANT)
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|               ) then
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|           location_force_reg(exprasmlist,right.location,right.location.size,false);
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|         { Left is always a register, right can be register or constant }
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|         if left.location.loc<>LOC_REGISTER then
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|           begin
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|             { when it is not allowed to swap we have a constant on
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|               left, that will give problems }
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|             if not allow_swap then
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|               internalerror(200307041);
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|             swapleftright;
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|           end;
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|       end;
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| 
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| 
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|     procedure tcgaddnode.release_reg_left_right;
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|       begin
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|         if (right.location.loc in [LOC_REGISTER,LOC_FPUREGISTER]) and
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|            not(
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|                (location.loc = right.location.loc) and
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|                (location.register=right.location.register)
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|               ) then
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|           location_release(exprasmlist,right.location);
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|         if (left.location.loc in [LOC_REGISTER,LOC_FPUREGISTER]) and
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|            not(
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|                (location.loc = left.location.loc) and
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|                (location.register=left.location.register)
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|               ) then
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|           location_release(exprasmlist,left.location);
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|       end;
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| 
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| 
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| {*****************************************************************************
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|                                 Smallsets
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| *****************************************************************************}
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| 
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|     procedure tcgaddnode.second_opsmallset;
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|       begin
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|         { when a setdef is passed, it has to be a smallset }
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|         if ((left.resulttype.def.deftype=setdef) and
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|             (tsetdef(left.resulttype.def).settype<>smallset)) or
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|            ((right.resulttype.def.deftype=setdef) and
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|             (tsetdef(right.resulttype.def).settype<>smallset)) then
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|           internalerror(200203301);
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| 
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|         if nodetype in [equaln,unequaln,gtn,gten,lten,ltn] then
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|           second_cmpsmallset
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|         else
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|           second_addsmallset;
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|       end;
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| 
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| 
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|     procedure tcgaddnode.second_addsmallset;
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|       var
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|         cgop   : TOpCg;
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|         tmpreg : tregister;
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|         opdone : boolean;
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|       begin
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|         opdone := false;
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| 
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|         pass_left_right;
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|         force_reg_left_right(true,true);
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| 
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|         { setelementn is a special case, it must be on right.
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|           We need an extra check if left is a register because the
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|           default case can skip the register loading when the
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|           setelementn is in a register (PFV) }
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|         if (nf_swaped in flags) and
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|            (left.nodetype=setelementn) then
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|           swapleftright;
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|         if (right.nodetype=setelementn) and
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|            (left.location.loc<>LOC_REGISTER) then
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|           location_force_reg(exprasmlist,left.location,left.location.size,false);
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| 
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|         set_result_location_reg;
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| 
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|         case nodetype of
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|           addn :
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|             begin
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|               { are we adding set elements ? }
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|               if right.nodetype=setelementn then
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|                 begin
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|                   { no range support for smallsets! }
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|                   if assigned(tsetelementnode(right).right) then
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|                    internalerror(43244);
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|                   if (right.location.loc = LOC_CONSTANT) then
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|                     cg.a_op_const_reg_reg(exprasmlist,OP_OR,location.size,
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|                       aword(1 shl aword(right.location.value)),
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|                       left.location.register,location.register)
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|                   else
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|                     begin
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|                       tmpreg := cg.getintregister(exprasmlist,location.size);
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|                       cg.a_load_const_reg(exprasmlist,location.size,1,tmpreg);
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|                       cg.a_op_reg_reg(exprasmlist,OP_SHL,location.size,
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|                         right.location.register,tmpreg);
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|                       if left.location.loc <> LOC_CONSTANT then
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|                         cg.a_op_reg_reg_reg(exprasmlist,OP_OR,location.size,tmpreg,
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|                             left.location.register,location.register)
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|                       else
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|                         cg.a_op_const_reg_reg(exprasmlist,OP_OR,location.size,
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|                             aword(left.location.value),tmpreg,location.register);
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|                       cg.ungetregister(exprasmlist,tmpreg);
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|                     end;
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|                   opdone := true;
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|                 end
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|               else
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|                 cgop := OP_OR;
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|             end;
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|           symdifn :
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|             cgop:=OP_XOR;
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|           muln :
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|             cgop:=OP_AND;
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|           subn :
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|             begin
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|               cgop:=OP_AND;
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|               if (not(nf_swaped in flags)) then
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|                 if (right.location.loc=LOC_CONSTANT) then
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|                   right.location.value := not(right.location.value)
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|                 else
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|                   opdone := true
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|               else if (left.location.loc=LOC_CONSTANT) then
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|                 left.location.value := not(left.location.value)
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|               else
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|                  begin
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|                    swapleftright;
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|                    opdone := true;
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|                  end;
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|               if opdone then
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|                 begin
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|                   if left.location.loc = LOC_CONSTANT then
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|                     begin
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|                       tmpreg := cg.getintregister(exprasmlist,location.size);
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|                       cg.a_load_const_reg(exprasmlist,location.size,
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|                         aword(left.location.value),tmpreg);
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|                       cg.a_op_reg_reg(exprasmlist,OP_NOT,location.size,right.location.register,right.location.register);
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|                       cg.a_op_reg_reg(exprasmlist,OP_AND,location.size,right.location.register,tmpreg);
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|                       cg.a_load_reg_reg(exprasmlist,OS_INT,location.size,tmpreg,location.register);
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|                       cg.ungetregister(exprasmlist,tmpreg);
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|                     end
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|                   else
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|                     begin
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|                       cg.a_op_reg_reg(exprasmlist,OP_NOT,right.location.size,right.location.register,right.location.register);
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|                       cg.a_op_reg_reg(exprasmlist,OP_AND,left.location.size,right.location.register,left.location.register);
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|                       cg.a_load_reg_reg(exprasmlist,left.location.size,location.size,left.location.register,location.register);
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|                     end;
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|                 end;
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|             end;
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|           else
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|             internalerror(2002072701);
 | |
|         end;
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| 
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|         if not opdone then
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|           begin
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|             // these are all commutative operations
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|             if (left.location.loc = LOC_CONSTANT) then
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|               swapleftright;
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|             if (right.location.loc = LOC_CONSTANT) then
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|               cg.a_op_const_reg_reg(exprasmlist,cgop,location.size,
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|                 aword(right.location.value),left.location.register,
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|                 location.register)
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|             else
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|               cg.a_op_reg_reg_reg(exprasmlist,cgop,location.size,
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|                 right.location.register,left.location.register,
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|                 location.register);
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|           end;
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| 
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|         release_reg_left_right;
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|       end;
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| 
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| 
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| {*****************************************************************************
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|                                 Boolean
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| *****************************************************************************}
 | |
| 
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|     procedure tcgaddnode.second_opboolean;
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|       begin
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|         if nodetype in [ltn,lten,gtn,gten,equaln,unequaln] then
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|           second_cmpboolean
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|         else
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|           second_addboolean;
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|       end;
 | |
| 
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| 
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|     procedure tcgaddnode.second_addboolean;
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|       var
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|         cgop    : TOpCg;
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|         otl,ofl : tasmlabel;
 | |
|       begin
 | |
|         { And,Or will only evaluate from left to right only the
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|           needed nodes unless full boolean evaluation is enabled }
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|         if (nodetype in [orn,andn]) and
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|            not(cs_full_boolean_eval in aktlocalswitches) then
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|           begin
 | |
|             location_reset(location,LOC_JUMP,OS_NO);
 | |
|             case nodetype of
 | |
|               andn :
 | |
|                 begin
 | |
|                    otl:=truelabel;
 | |
|                    objectlibrary.getlabel(truelabel);
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|                    secondpass(left);
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|                    maketojumpbool(exprasmlist,left,lr_load_regvars);
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|                    cg.a_label(exprasmlist,truelabel);
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|                    truelabel:=otl;
 | |
|                 end;
 | |
|               orn :
 | |
|                 begin
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|                    ofl:=falselabel;
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|                    objectlibrary.getlabel(falselabel);
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|                    secondpass(left);
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|                    maketojumpbool(exprasmlist,left,lr_load_regvars);
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|                    cg.a_label(exprasmlist,falselabel);
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|                    falselabel:=ofl;
 | |
|                 end;
 | |
|               else
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|                 internalerror(200307044);
 | |
|             end;
 | |
|             secondpass(right);
 | |
|             maketojumpbool(exprasmlist,right,lr_load_regvars);
 | |
|           end
 | |
|         else
 | |
|           begin
 | |
|             pass_left_right;
 | |
|             force_reg_left_right(false,true);
 | |
|             set_result_location_reg;
 | |
| 
 | |
|             case nodetype of
 | |
|               xorn :
 | |
|                 cgop:=OP_XOR;
 | |
|               orn :
 | |
|                 cgop:=OP_OR;
 | |
|               andn :
 | |
|                 cgop:=OP_AND;
 | |
|               else
 | |
|                  internalerror(200203247);
 | |
|             end;
 | |
| 
 | |
|             if right.location.loc <> LOC_CONSTANT then
 | |
|               cg.a_op_reg_reg_reg(exprasmlist,cgop,location.size,
 | |
|                  left.location.register,right.location.register,
 | |
|                  location.register)
 | |
|             else
 | |
|               cg.a_op_const_reg_reg(exprasmlist,cgop,location.size,
 | |
|                  aword(right.location.value),left.location.register,
 | |
|                  location.register);
 | |
|          end;
 | |
| 
 | |
|         release_reg_left_right;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                 64-bit
 | |
| *****************************************************************************}
 | |
| 
 | |
|     procedure tcgaddnode.second_op64bit;
 | |
|       begin
 | |
|         if nodetype in [ltn,lten,gtn,gten,equaln,unequaln] then
 | |
|           second_cmp64bit
 | |
|         else
 | |
|           second_add64bit;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| 
 | |
|     procedure tcgaddnode.second_add64bit;
 | |
|       var
 | |
|         op         : TOpCG;
 | |
|         checkoverflow : boolean;
 | |
|       begin
 | |
|         pass_left_right;
 | |
|         force_reg_left_right(false,(cs_check_overflow in aktlocalswitches) and
 | |
|                                    (nodetype in [addn,subn]));
 | |
|         set_result_location_reg;
 | |
| 
 | |
|         { assume no overflow checking is required }
 | |
|         checkoverflow := false;
 | |
|         case nodetype of
 | |
|           addn :
 | |
|              begin
 | |
|                 op:=OP_ADD;
 | |
|                 checkoverflow := true;
 | |
|              end;
 | |
|           subn :
 | |
|              begin
 | |
|                 op:=OP_SUB;
 | |
|                 checkoverflow := true;
 | |
|              end;
 | |
|           xorn:
 | |
|             op:=OP_XOR;
 | |
|           orn:
 | |
|             op:=OP_OR;
 | |
|           andn:
 | |
|             op:=OP_AND;
 | |
|           muln:
 | |
|             begin
 | |
|               { should be handled in pass_1 (JM) }
 | |
|               internalerror(200109051);
 | |
|             end;
 | |
|           else
 | |
|             internalerror(2002072705);
 | |
|         end;
 | |
| 
 | |
|         case nodetype of
 | |
|           xorn,orn,andn,addn:
 | |
|             begin
 | |
|               if (right.location.loc = LOC_CONSTANT) then
 | |
|                 cg64.a_op64_const_reg_reg(exprasmlist,op,right.location.valueqword,
 | |
|                   left.location.register64,location.register64)
 | |
|               else
 | |
|                 cg64.a_op64_reg_reg_reg(exprasmlist,op,right.location.register64,
 | |
|                   left.location.register64,location.register64);
 | |
|             end;
 | |
|           subn:
 | |
|             begin
 | |
|               if (nf_swaped in flags) then
 | |
|                 swapleftright;
 | |
| 
 | |
|               if left.location.loc <> LOC_CONSTANT then
 | |
|                 begin
 | |
|                   if right.location.loc <> LOC_CONSTANT then
 | |
|                     // reg64 - reg64
 | |
|                     cg64.a_op64_reg_reg_reg(exprasmlist,OP_SUB,
 | |
|                       right.location.register64,left.location.register64,
 | |
|                       location.register64)
 | |
|                   else
 | |
|                     // reg64 - const64
 | |
|                     cg64.a_op64_const_reg_reg(exprasmlist,OP_SUB,
 | |
|                       right.location.valueqword,left.location.register64,
 | |
|                       location.register64)
 | |
|                 end
 | |
|               else
 | |
|                 begin
 | |
|                   // const64 - reg64
 | |
|                   location_force_reg(exprasmlist,left.location,left.location.size,true);
 | |
|                   cg64.a_op64_reg_reg_reg(exprasmlist,OP_SUB,
 | |
|                     right.location.register64,left.location.register64,
 | |
|                     location.register64);
 | |
|                 end;
 | |
|             end;
 | |
|           else
 | |
|             internalerror(2002072803);
 | |
|         end;
 | |
| 
 | |
|         { emit overflow check if enabled }
 | |
|         if checkoverflow then
 | |
|            cg.g_overflowcheck(exprasmlist,Location,ResultType.Def);
 | |
| 
 | |
|         release_reg_left_right;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                 Floats
 | |
| *****************************************************************************}
 | |
| 
 | |
|     procedure tcgaddnode.second_opfloat;
 | |
|       begin
 | |
|         if nodetype in [ltn,lten,gtn,gten,equaln,unequaln] then
 | |
|           second_cmpfloat
 | |
|         else
 | |
|           second_addfloat;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                 Ordinals
 | |
| *****************************************************************************}
 | |
| 
 | |
|     procedure tcgaddnode.second_opordinal;
 | |
|       begin
 | |
|          if (nodetype in [ltn,lten,gtn,gten,equaln,unequaln]) then
 | |
|            second_cmpordinal
 | |
|          else
 | |
|            second_addordinal;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcgaddnode.second_addordinal;
 | |
|       var
 | |
|         unsigned,
 | |
|         checkoverflow : boolean;
 | |
|         cgop   : topcg;
 | |
|         tmpreg : tregister;
 | |
|       begin
 | |
|         pass_left_right;
 | |
|         force_reg_left_right(false,(cs_check_overflow in aktlocalswitches) and
 | |
|                                    (nodetype in [addn,subn,muln]));
 | |
|         set_result_location_reg;
 | |
| 
 | |
|         { determine if the comparison will be unsigned }
 | |
|         unsigned:=not(is_signed(left.resulttype.def)) or
 | |
|                     not(is_signed(right.resulttype.def));
 | |
| 
 | |
|         { assume no overflow checking is require }
 | |
|         checkoverflow := false;
 | |
| 
 | |
|         case nodetype of
 | |
|           addn:
 | |
|             begin
 | |
|               cgop := OP_ADD;
 | |
|               checkoverflow := true;
 | |
|             end;
 | |
|           xorn :
 | |
|             begin
 | |
|               cgop := OP_XOR;
 | |
|             end;
 | |
|           orn :
 | |
|             begin
 | |
|               cgop := OP_OR;
 | |
|             end;
 | |
|           andn:
 | |
|             begin
 | |
|               cgop := OP_AND;
 | |
|             end;
 | |
|           muln:
 | |
|             begin
 | |
|               checkoverflow := true;
 | |
|               if unsigned then
 | |
|                 cgop := OP_MUL
 | |
|               else
 | |
|                 cgop := OP_IMUL;
 | |
|             end;
 | |
|           subn :
 | |
|             begin
 | |
|               checkoverflow := true;
 | |
|               cgop := OP_SUB;
 | |
|             end;
 | |
|         end;
 | |
| 
 | |
|        if nodetype <> subn then
 | |
|         begin
 | |
|           if (right.location.loc <> LOC_CONSTANT) then
 | |
|             cg.a_op_reg_reg_reg(exprasmlist,cgop,location.size,
 | |
|                left.location.register,right.location.register,
 | |
|                location.register)
 | |
|           else
 | |
|             cg.a_op_const_reg_reg(exprasmlist,cgop,location.size,
 | |
|                aword(right.location.value),left.location.register,
 | |
|                location.register);
 | |
|         end
 | |
|       else  { subtract is a special case since its not commutative }
 | |
|         begin
 | |
|           if (nf_swaped in flags) then
 | |
|             swapleftright;
 | |
|           if left.location.loc <> LOC_CONSTANT then
 | |
|             begin
 | |
|               if right.location.loc <> LOC_CONSTANT then
 | |
|                 cg.a_op_reg_reg_reg(exprasmlist,OP_SUB,location.size,
 | |
|                     right.location.register,left.location.register,
 | |
|                     location.register)
 | |
|               else
 | |
|                 cg.a_op_const_reg_reg(exprasmlist,OP_SUB,location.size,
 | |
|                     aword(right.location.value),left.location.register,
 | |
|                     location.register);
 | |
|             end
 | |
|           else
 | |
|             begin
 | |
|               tmpreg := cg.getintregister(exprasmlist,location.size);
 | |
|               cg.a_load_const_reg(exprasmlist,location.size,
 | |
|                 aword(left.location.value),tmpreg);
 | |
|               cg.a_op_reg_reg_reg(exprasmlist,OP_SUB,location.size,
 | |
|                 right.location.register,tmpreg,location.register);
 | |
|               cg.ungetregister(exprasmlist,tmpreg);
 | |
|             end;
 | |
|         end;
 | |
| 
 | |
|         { emit overflow check if required }
 | |
|         if checkoverflow then
 | |
|           cg.g_overflowcheck(exprasmlist,Location,ResultType.Def);
 | |
| 
 | |
|         release_reg_left_right;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcgaddnode.second_cmpboolean;
 | |
|       begin
 | |
|          second_cmpordinal;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                 pass_2
 | |
| *****************************************************************************}
 | |
| 
 | |
|     procedure tcgaddnode.pass_2;
 | |
|       begin
 | |
|         case left.resulttype.def.deftype of
 | |
|           orddef :
 | |
|             begin
 | |
|               { handling boolean expressions }
 | |
|               if is_boolean(left.resulttype.def) and
 | |
|                  is_boolean(right.resulttype.def) then
 | |
|                 second_opboolean
 | |
|               { 64bit operations }
 | |
|               else if is_64bit(left.resulttype.def) then
 | |
|                 second_op64bit
 | |
|               else
 | |
|                 second_opordinal;
 | |
|             end;
 | |
|           stringdef :
 | |
|             begin
 | |
|               { this should already be handled in pass1 }
 | |
|               internalerror(2002072402);
 | |
|             end;
 | |
|           setdef :
 | |
|             begin
 | |
|               { normalsets are already handled in pass1 }
 | |
|               if (tsetdef(left.resulttype.def).settype<>smallset) then
 | |
|                 internalerror(200109041);
 | |
|               second_opsmallset;
 | |
|             end;
 | |
|           arraydef :
 | |
|             begin
 | |
| {$ifdef SUPPORT_MMX}
 | |
|               if is_mmx_able_array(left.resulttype.def) then
 | |
|                 second_opmmx;
 | |
| {$endif SUPPORT_MMX}
 | |
|               { only mmx arrays are possible }
 | |
|               internalerror(200306016);
 | |
|             end;
 | |
|           floatdef :
 | |
|             second_opfloat;
 | |
|           else
 | |
|             second_opordinal;
 | |
|         end;
 | |
|       end;
 | |
| 
 | |
| begin
 | |
|    caddnode:=tcgaddnode;
 | |
| end.
 | |
| {
 | |
|   $Log$
 | |
|   Revision 1.22  2003-10-17 01:22:08  florian
 | |
|     * compilation of the powerpc compiler fixed
 | |
| 
 | |
|   Revision 1.21  2003/10/10 17:48:13  peter
 | |
|     * old trgobj moved to x86/rgcpu and renamed to trgx86fpu
 | |
|     * tregisteralloctor renamed to trgobj
 | |
|     * removed rgobj from a lot of units
 | |
|     * moved location_* and reference_* to cgobj
 | |
|     * first things for mmx register allocation
 | |
| 
 | |
|   Revision 1.20  2003/10/01 20:34:48  peter
 | |
|     * procinfo unit contains tprocinfo
 | |
|     * cginfo renamed to cgbase
 | |
|     * moved cgmessage to verbose
 | |
|     * fixed ppc and sparc compiles
 | |
| 
 | |
|   Revision 1.19  2003/09/14 21:57:08  jonas
 | |
|     * fixed release_reg_left_right for fpu registers
 | |
| 
 | |
|   Revision 1.18  2003/09/14 21:34:16  peter
 | |
|     * fix setelementn support
 | |
|     * fix loading of flags
 | |
| 
 | |
|   Revision 1.17  2003/09/03 15:55:00  peter
 | |
|     * NEWRA branch merged
 | |
| 
 | |
|   Revision 1.16  2003/09/03 11:18:36  florian
 | |
|     * fixed arm concatcopy
 | |
|     + arm support in the common compiler sources added
 | |
|     * moved some generic cg code around
 | |
|     + tfputype added
 | |
|     * ...
 | |
| 
 | |
|   Revision 1.15.2.2  2003/09/01 21:02:55  peter
 | |
|     * sparc updates for new tregister
 | |
| 
 | |
|   Revision 1.15.2.1  2003/08/27 20:23:55  peter
 | |
|     * remove old ra code
 | |
| 
 | |
|   Revision 1.15  2003/07/08 21:24:59  peter
 | |
|     * sparc fixes
 | |
| 
 | |
|   Revision 1.14  2003/07/06 17:44:12  peter
 | |
|     * cleanup and first sparc implementation
 | |
| 
 | |
|   Revision 1.13  2003/06/12 16:43:07  peter
 | |
|     * newra compiles for sparc
 | |
| 
 | |
|   Revision 1.12  2003/06/10 20:46:17  mazen
 | |
|   * fixing a general compile problem related to
 | |
|     cg.g_overflowcheck declaration that has
 | |
|     changed
 | |
| 
 | |
|   Revision 1.11  2003/06/01 21:38:06  peter
 | |
|     * getregisterfpu size parameter added
 | |
|     * op_const_reg size parameter added
 | |
|     * sparc updates
 | |
| 
 | |
|   Revision 1.10  2003/05/23 14:27:35  peter
 | |
|     * remove some unit dependencies
 | |
|     * current_procinfo changes to store more info
 | |
| 
 | |
|   Revision 1.9  2003/04/30 22:15:59  florian
 | |
|     * some 64 bit adaptions in ncgadd
 | |
|     * x86-64 now uses ncgadd
 | |
|     * tparamanager.ret_in_acc doesn't return true anymore for a void-def
 | |
| 
 | |
|   Revision 1.8  2003/04/23 20:16:04  peter
 | |
|     + added currency support based on int64
 | |
|     + is_64bit for use in cg units instead of is_64bitint
 | |
|     * removed cgmessage from n386add, replace with internalerrors
 | |
| 
 | |
|   Revision 1.7  2003/04/22 23:50:22  peter
 | |
|     * firstpass uses expectloc
 | |
|     * checks if there are differences between the expectloc and
 | |
|       location.loc from secondpass in EXTDEBUG
 | |
| 
 | |
|   Revision 1.6  2003/02/19 22:00:14  daniel
 | |
|     * Code generator converted to new register notation
 | |
|     - Horribily outdated todo.txt removed
 | |
| 
 | |
|   Revision 1.5  2003/02/02 19:25:54  carl
 | |
|     * Several bugfixes for m68k target (register alloc., opcode emission)
 | |
|     + VIS target
 | |
|     + Generic add more complete (still not verified)
 | |
| 
 | |
|   Revision 1.4  2003/01/08 18:43:56  daniel
 | |
|    * Tregister changed into a record
 | |
| 
 | |
|   Revision 1.3  2002/12/14 15:02:03  carl
 | |
|     * maxoperands -> max_operands (for portability in rautils.pas)
 | |
|     * fix some range-check errors with loadconst
 | |
|     + add ncgadd unit to m68k
 | |
|     * some bugfix of a_param_reg with LOC_CREFERENCE
 | |
| 
 | |
|   Revision 1.2  2002/12/08 15:02:17  carl
 | |
|     + more fixes
 | |
| 
 | |
|   Revision 1.1  2002/12/07 19:51:35  carl
 | |
|     + first version (uncompilable!)
 | |
| 
 | |
| }
 | 
