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			777 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			777 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
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|     $Id$
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|     Copyright (c) 2000 by Florian Klaempfl
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| 
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|     Type checking and register allocation for math nodes
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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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| }
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| unit nmat;
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| 
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| {$i defines.inc}
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| 
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| interface
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| 
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|     uses
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|        node;
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| 
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|     type
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|        tmoddivnode = class(tbinopnode)
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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|          protected
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|           { override the following if you want to implement }
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|           { parts explicitely in the code generator (JM)    }
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|           function first_moddiv64bitint: tnode; virtual;
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|           function firstoptimize: tnode; virtual;
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|        end;
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|        tmoddivnodeclass = class of tmoddivnode;
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| 
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|        tshlshrnode = class(tbinopnode)
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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|        end;
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|        tshlshrnodeclass = class of tshlshrnode;
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| 
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|        tunaryminusnode = class(tunarynode)
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|           constructor create(expr : tnode);virtual;
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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|        end;
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|        tunaryminusnodeclass = class of tunaryminusnode;
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| 
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|        tnotnode = class(tunarynode)
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|           constructor create(expr : tnode);virtual;
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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|        end;
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|        tnotnodeclass = class of tnotnode;
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| 
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|     var
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|        cmoddivnode : tmoddivnodeclass;
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|        cshlshrnode : tshlshrnodeclass;
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|        cunaryminusnode : tunaryminusnodeclass;
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|        cnotnode : tnotnodeclass;
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| 
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| 
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| implementation
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| 
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|     uses
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|       systems,tokens,
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|       verbose,globals,cutils,
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| {$ifdef support_mmx}
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|       globtype,
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| {$endif}
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|       symconst,symtype,symtable,symdef,types,
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|       htypechk,pass_1,cpubase,cpuinfo,
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|       cgbase,
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|       ncon,ncnv,ncal,nadd;
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| 
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| {****************************************************************************
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|                               TMODDIVNODE
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|  ****************************************************************************}
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| 
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|     function tmoddivnode.det_resulttype:tnode;
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|       var
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|          t : tnode;
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|          rd,ld : tdef;
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|          rv,lv : tconstexprint;
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|       begin
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|          result:=nil;
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|          resulttypepass(left);
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|          resulttypepass(right);
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|          set_varstate(left,true);
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|          set_varstate(right,true);
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|          if codegenerror then
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|            exit;
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| 
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|          { constant folding }
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|          if is_constintnode(left) and is_constintnode(right) then
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|            begin
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|               rv:=tordconstnode(right).value;
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|               lv:=tordconstnode(left).value;
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| 
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|               { check for division by zero }
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|               if (rv=0) then
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|                begin
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|                  Message(parser_e_division_by_zero);
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|                  { recover }
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|                  rv:=1;
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|                end;
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| 
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|               case nodetype of
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|                 modn:
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|                   t:=genintconstnode(lv mod rv);
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|                 divn:
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|                   t:=genintconstnode(lv div rv);
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|               end;
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|               result:=t;
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|               exit;
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|            end;
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| 
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|          { allow operator overloading }
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|          t:=self;
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|          if isbinaryoverloaded(t) then
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|            begin
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|               result:=t;
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|               exit;
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|            end;
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| 
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|          { if one operand is a cardinal and the other is a positive constant, convert the }
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|          { constant to a cardinal as well so we don't have to do a 64bit division (JM)    }
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| 
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|          { Do the same for qwords and positive constants as well, otherwise things like   }
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|          { "qword mod 10" are evaluated with int64 as result, which is wrong if the       }
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|          { "qword" was > high(int64) (JM)                                                 }
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|          if (left.resulttype.def.deftype=orddef) and (right.resulttype.def.deftype=orddef) then
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|            if (torddef(right.resulttype.def).typ in [u32bit,u64bit]) and
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|               is_constintnode(left) and
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|               (tordconstnode(left).value >= 0) then
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|              inserttypeconv(left,right.resulttype)
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|            else if (torddef(left.resulttype.def).typ in [u32bit,u64bit]) and
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|               is_constintnode(right) and
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|               (tordconstnode(right).value >= 0) then
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|              inserttypeconv(right,left.resulttype);
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| 
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|          if (left.resulttype.def.deftype=orddef) and (right.resulttype.def.deftype=orddef) and
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|             (is_64bitint(left.resulttype.def) or is_64bitint(right.resulttype.def) or
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|              { when mixing cardinals and signed numbers, convert everythign to 64bit (JM) }
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|              ((torddef(right.resulttype.def).typ = u32bit) and
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|               is_signed(left.resulttype.def)) or
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|              ((torddef(left.resulttype.def).typ = u32bit) and
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|               is_signed(right.resulttype.def))) then
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|            begin
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|               rd:=right.resulttype.def;
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|               ld:=left.resulttype.def;
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|               { issue warning if necessary }
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|               if not (is_64bitint(left.resulttype.def) or is_64bitint(right.resulttype.def)) then
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|                 CGMessage(type_w_mixed_signed_unsigned);
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|               if is_signed(rd) or is_signed(ld) then
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|                 begin
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|                    if (torddef(ld).typ<>s64bit) then
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|                      inserttypeconv(left,cs64bittype);
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|                    if (torddef(rd).typ<>s64bit) then
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|                      inserttypeconv(right,cs64bittype);
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|                 end
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|               else
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|                 begin
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|                    if (torddef(ld).typ<>u64bit) then
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|                      inserttypeconv(left,cu64bittype);
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|                    if (torddef(rd).typ<>u64bit) then
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|                      inserttypeconv(right,cu64bittype);
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|                 end;
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|               resulttype:=left.resulttype;
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|            end
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|          else
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|            begin
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|               if not(right.resulttype.def.deftype=orddef) or
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|                  not(torddef(right.resulttype.def).typ in [s32bit,u32bit]) then
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|                 inserttypeconv(right,s32bittype);
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| 
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|               if not(left.resulttype.def.deftype=orddef) or
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|                  not(torddef(left.resulttype.def).typ in [s32bit,u32bit]) then
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|                 inserttypeconv(left,s32bittype);
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| 
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|               { the resulttype.def depends on the right side, because the left becomes }
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|               { always 64 bit                                                      }
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|               resulttype:=right.resulttype;
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|            end;
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|       end;
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| 
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| 
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|     function tmoddivnode.first_moddiv64bitint: tnode;
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|       var
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|         procname: string[31];
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|       begin
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|         result := nil;
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| 
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|         { otherwise create a call to a helper }
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|         if nodetype = divn then
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|           procname := 'fpc_div_'
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|         else
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|           procname := 'fpc_mod_';
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|         if is_signed(resulttype.def) then
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|           procname := procname + 'int64'
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|         else
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|           procname := procname + 'qword';
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| 
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|         result := ccallnode.createintern(procname,ccallparanode.create(left,
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|           ccallparanode.create(right,nil)));
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|         left := nil;
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|         right := nil;
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|         firstpass(result);
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|       end;
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| 
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| 
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|     function tmoddivnode.firstoptimize: tnode;
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|       var
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|         power, shiftval : longint;
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|         newtype: tnodetype;
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|       begin
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|         result := nil;
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|         { divide/mod a number by a constant which is a power of 2? }
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|         if (cs_optimize in aktglobalswitches) and
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|            (right.nodetype = ordconstn) and
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| {           ((nodetype = divn) or
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|             not is_signed(resulttype.def)) and}
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|            (not is_signed(resulttype.def)) and
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|            ispowerof2(tordconstnode(right).value,power) then
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|           begin
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|             if nodetype = divn then
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|               begin
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| (*
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|                 if is_signed(resulttype.def) then
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|                   begin
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|                     if is_64bitint(left.resulttype.def) then
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|                       if not (cs_littlesize in aktglobalswitches) then
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|                         shiftval := 63
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|                       else
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|                         { the shift code is a lot bigger than the call to }
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|                         { the divide helper                               }
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|                         exit
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|                     else
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|                       shiftval := 31;
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|                     { we reuse left twice, so create once a copy of it     }
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|                     { !!! if left is a call is -> call gets executed twice }
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|                     left := caddnode.create(addn,left,
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|                       caddnode.create(andn,
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|                         cshlshrnode.create(sarn,left.getcopy,
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|                           cordconstnode.create(shiftval,s32bittype)),
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|                         cordconstnode.create(tordconstnode(right).value-1,
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|                           right.resulttype)));
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|                     newtype := sarn;
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|                   end
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|                 else
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| *)
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|                   newtype := shrn;
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|                 tordconstnode(right).value := power;
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|                 result := cshlshrnode.create(newtype,left,right)
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|               end
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|             else
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|               begin
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|                 dec(tordconstnode(right).value);
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|                 result := caddnode.create(andn,left,right);
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|               end;
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|             { left and right are reused }
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|             left := nil;
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|             right := nil;
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|             firstpass(result);
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|             exit;
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|           end;
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|       end;
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| 
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| 
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|     function tmoddivnode.pass_1 : tnode;
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|       begin
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|          result:=nil;
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|          firstpass(left);
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|          firstpass(right);
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|          if codegenerror then
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|            exit;
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| 
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|          result := firstoptimize;
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|          if assigned(result) then
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|            exit;
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|          { 64bit }
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|          if (left.resulttype.def.deftype=orddef) and (right.resulttype.def.deftype=orddef) and
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|             (is_64bitint(left.resulttype.def) or is_64bitint(right.resulttype.def)) then
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|            begin
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|              result := first_moddiv64bitint;
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|              if assigned(result) then
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|                exit;
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|              location.loc:=LOC_REGISTER;
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|              calcregisters(self,2,0,0);
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|            end
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|          else
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|            begin
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|              left_right_max;
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|              if left.registers32<=right.registers32 then
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|               inc(registers32);
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|            end;
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|          location.loc:=LOC_REGISTER;
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|       end;
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| 
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| 
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| 
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| {****************************************************************************
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|                               TSHLSHRNODE
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|  ****************************************************************************}
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| 
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|     function tshlshrnode.det_resulttype:tnode;
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|       var
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|          t : tnode;
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|       begin
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|          result:=nil;
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|          resulttypepass(left);
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|          resulttypepass(right);
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|          set_varstate(right,true);
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|          set_varstate(left,true);
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|          if codegenerror then
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|            exit;
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| 
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|          { constant folding }
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|          if is_constintnode(left) and is_constintnode(right) then
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|            begin
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|               case nodetype of
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|                  shrn:
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|                    t:=genintconstnode(tordconstnode(left).value shr tordconstnode(right).value);
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|                  shln:
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|                    t:=genintconstnode(tordconstnode(left).value shl tordconstnode(right).value);
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|               end;
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|               result:=t;
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|               exit;
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|            end;
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| 
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|          { allow operator overloading }
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|          t:=self;
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|          if isbinaryoverloaded(t) then
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|            begin
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|               result:=t;
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|               exit;
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|            end;
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| 
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|          { 64 bit ints have their own shift handling }
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|          if not(is_64bitint(left.resulttype.def)) then
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|            begin
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|               if torddef(left.resulttype.def).typ <> u32bit then
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|                inserttypeconv(left,s32bittype);
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|            end;
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| 
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|          inserttypeconv(right,s32bittype);
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| 
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|          resulttype:=left.resulttype;
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|       end;
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| 
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| 
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|     function tshlshrnode.pass_1 : tnode;
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|       var
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|          regs : longint;
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|       begin
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|          result:=nil;
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|          firstpass(left);
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|          firstpass(right);
 | |
|          if codegenerror then
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|            exit;
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| 
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|          { 64 bit ints have their own shift handling }
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|          if not(is_64bitint(left.resulttype.def)) then
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|           regs:=1
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|          else
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|           regs:=2;
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| 
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|          if (right.nodetype<>ordconstn) then
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|           inc(regs);
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|          location.loc:=LOC_REGISTER;
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|          calcregisters(self,regs,0,0);
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|       end;
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| 
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| 
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| {****************************************************************************
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|                             TUNARYMINUSNODE
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|  ****************************************************************************}
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| 
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|     constructor tunaryminusnode.create(expr : tnode);
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|       begin
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|          inherited create(unaryminusn,expr);
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|       end;
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| 
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|     function tunaryminusnode.det_resulttype : tnode;
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|       var
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|          t : tnode;
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|          minusdef : pprocdeflist;
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|       begin
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|          result:=nil;
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|          resulttypepass(left);
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|          set_varstate(left,true);
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|          if codegenerror then
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|            exit;
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| 
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|          { constant folding }
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|          if is_constintnode(left) then
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|            begin
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|               tordconstnode(left).value:=-tordconstnode(left).value;
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|               result:=left;
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|               left:=nil;
 | |
|               exit;
 | |
|            end;
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|          if is_constrealnode(left) then
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|            begin
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|               trealconstnode(left).value_real:=-trealconstnode(left).value_real;
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|               result:=left;
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|               left:=nil;
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|               exit;
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|            end;
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| 
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|          resulttype:=left.resulttype;
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|          if (left.resulttype.def.deftype=floatdef) then
 | |
|            begin
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|            end
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| {$ifdef SUPPORT_MMX}
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|          else if (cs_mmx in aktlocalswitches) and
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|            is_mmx_able_array(left.resulttype.def) then
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|              begin
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|                { if saturation is on, left.resulttype.def isn't
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|                  "mmx able" (FK)
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|                if (cs_mmx_saturation in aktlocalswitches^) and
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|                  (torddef(tarraydef(resulttype.def).definition).typ in
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|                  [s32bit,u32bit]) then
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|                  CGMessage(type_e_mismatch);
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|                }
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|              end
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| {$endif SUPPORT_MMX}
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|          else if is_64bitint(left.resulttype.def) then
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|            begin
 | |
|            end
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|          else if (left.resulttype.def.deftype=orddef) then
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|            begin
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|               inserttypeconv(left,s32bittype);
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|               resulttype:=left.resulttype;
 | |
|            end
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|          else
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|            begin
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|               if assigned(overloaded_operators[_minus]) then
 | |
|                 minusdef:=overloaded_operators[_minus].defs
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|               else
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|                 minusdef:=nil;
 | |
|               while assigned(minusdef) do
 | |
|                 begin
 | |
|                    if is_equal(tparaitem(minusdef^.def.para.first).paratype.def,left.resulttype.def) and
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|                       (tparaitem(minusdef^.def.para.first).next=nil) then
 | |
|                      begin
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|                         t:=ccallnode.create(ccallparanode.create(left,nil),
 | |
|                                             overloaded_operators[_minus],nil,nil);
 | |
|                         left:=nil;
 | |
|                         result:=t;
 | |
|                         exit;
 | |
|                      end;
 | |
|                    minusdef:=minusdef^.next;
 | |
|                 end;
 | |
|               CGMessage(type_e_mismatch);
 | |
|            end;
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|       end;
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| 
 | |
|     { generic code     }
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|     { overridden by:   }
 | |
|     {   i386           }
 | |
|     function tunaryminusnode.pass_1 : tnode;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          firstpass(left);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          registers32:=left.registers32;
 | |
|          registersfpu:=left.registersfpu;
 | |
| {$ifdef SUPPORT_MMX}
 | |
|          registersmmx:=left.registersmmx;
 | |
| {$endif SUPPORT_MMX}
 | |
| 
 | |
|          if (left.resulttype.def.deftype=floatdef) then
 | |
|            begin
 | |
|               if (left.location.loc<>LOC_REGISTER) and
 | |
|                  (registersfpu<1) then
 | |
|                 registersfpu:=1;
 | |
|               location.loc:=LOC_REGISTER;
 | |
|            end
 | |
| {$ifdef SUPPORT_MMX}
 | |
|          else if (cs_mmx in aktlocalswitches) and
 | |
|            is_mmx_able_array(left.resulttype.def) then
 | |
|              begin
 | |
|                if (left.location.loc<>LOC_MMXREGISTER) and
 | |
|                   (registersmmx<1) then
 | |
|                  registersmmx:=1;
 | |
|              end
 | |
| {$endif SUPPORT_MMX}
 | |
|          else if is_64bitint(left.resulttype.def) then
 | |
|            begin
 | |
|               if (left.location.loc<>LOC_REGISTER) and
 | |
|                  (registers32<2) then
 | |
|                 registers32:=2;
 | |
|               location.loc:=LOC_REGISTER;
 | |
|            end
 | |
|          else if (left.resulttype.def.deftype=orddef) then
 | |
|            begin
 | |
|               if (left.location.loc<>LOC_REGISTER) and
 | |
|                  (registers32<1) then
 | |
|                 registers32:=1;
 | |
|               location.loc:=LOC_REGISTER;
 | |
|            end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TNOTNODE
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tnotnode.create(expr : tnode);
 | |
| 
 | |
|       begin
 | |
|          inherited create(notn,expr);
 | |
|       end;
 | |
| 
 | |
|     function tnotnode.det_resulttype : tnode;
 | |
|       var
 | |
|          t : tnode;
 | |
|          notdef : pprocdeflist;
 | |
|          v : tconstexprint;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          resulttypepass(left);
 | |
|          set_varstate(left,true);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          { constant folding }
 | |
|          if (left.nodetype=ordconstn) then
 | |
|            begin
 | |
|               v:=tordconstnode(left).value;
 | |
|               case torddef(left.resulttype.def).typ of
 | |
|                 bool8bit,
 | |
|                 bool16bit,
 | |
|                 bool32bit :
 | |
|                   begin
 | |
|                     { here we do a boolean(byte(..)) type cast because }
 | |
|                     { boolean(<int64>) is buggy in 1.00                }
 | |
|                     v:=byte(not(boolean(byte(v))));
 | |
|                   end;
 | |
|                 uchar,
 | |
|                 u8bit :
 | |
|                   v:=byte(not byte(v));
 | |
|                 s8bit :
 | |
|                   v:=shortint(not shortint(v));
 | |
|                 uwidechar,
 | |
|                 u16bit :
 | |
|                   v:=word(not word(v));
 | |
|                 s16bit :
 | |
|                   v:=smallint(not smallint(v));
 | |
|                 u32bit :
 | |
|                   v:=cardinal(not cardinal(v));
 | |
|                 s32bit :
 | |
|                   v:=longint(not longint(v));
 | |
|                 u64bit :
 | |
|                   v:=int64(not int64(v)); { maybe qword is required }
 | |
|                 s64bit :
 | |
|                   v:=int64(not int64(v));
 | |
|                 else
 | |
|                   CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               t:=cordconstnode.create(v,left.resulttype);
 | |
|               result:=t;
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|          resulttype:=left.resulttype;
 | |
|          if is_boolean(resulttype.def) then
 | |
|            begin
 | |
|            end
 | |
|          else
 | |
| {$ifdef SUPPORT_MMX}
 | |
|            if (cs_mmx in aktlocalswitches) and
 | |
|              is_mmx_able_array(left.resulttype.def) then
 | |
|              begin
 | |
|              end
 | |
|          else
 | |
| {$endif SUPPORT_MMX}
 | |
|            if is_64bitint(left.resulttype.def) then
 | |
|              begin
 | |
|              end
 | |
|          else if is_integer(left.resulttype.def) then
 | |
|            begin
 | |
|            end
 | |
|          else
 | |
|            begin
 | |
|               if assigned(overloaded_operators[_op_not]) then
 | |
|                 notdef:=overloaded_operators[_op_not].defs
 | |
|               else
 | |
|                 notdef:=nil;
 | |
|               while assigned(notdef) do
 | |
|                 begin
 | |
|                    if is_equal(tparaitem(notdef^.def.para.first).paratype.def,left.resulttype.def) and
 | |
|                       (tparaitem(notdef^.def.para.first).next=nil) then
 | |
|                      begin
 | |
|                         t:=ccallnode.create(ccallparanode.create(left,nil),
 | |
|                                             overloaded_operators[_op_not],nil,nil);
 | |
|                         left:=nil;
 | |
|                         result:=t;
 | |
|                         exit;
 | |
|                      end;
 | |
|                    notdef:=notdef^.next;
 | |
|                 end;
 | |
|               CGMessage(type_e_mismatch);
 | |
|            end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tnotnode.pass_1 : tnode;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          firstpass(left);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          location.loc:=left.location.loc;
 | |
|          registers32:=left.registers32;
 | |
| {$ifdef SUPPORT_MMX}
 | |
|          registersmmx:=left.registersmmx;
 | |
| {$endif SUPPORT_MMX}
 | |
|          if is_boolean(resulttype.def) then
 | |
|            begin
 | |
|              if (location.loc in [LOC_REFERENCE,LOC_MEM,LOC_CREGISTER]) then
 | |
|               begin
 | |
|                 location.loc:=LOC_REGISTER;
 | |
|                 if (registers32<1) then
 | |
|                  registers32:=1;
 | |
|               end;
 | |
|             { before loading it into flags we need to load it into
 | |
|               a register thus 1 register is need PM }
 | |
| {$ifdef i386}
 | |
|              if left.location.loc<>LOC_JUMP then
 | |
|                location.loc:=LOC_FLAGS;
 | |
| {$endif def i386}
 | |
|            end
 | |
|          else
 | |
| {$ifdef SUPPORT_MMX}
 | |
|            if (cs_mmx in aktlocalswitches) and
 | |
|              is_mmx_able_array(left.resulttype.def) then
 | |
|              begin
 | |
|                if (left.location.loc<>LOC_MMXREGISTER) and
 | |
|                  (registersmmx<1) then
 | |
|                  registersmmx:=1;
 | |
|              end
 | |
|          else
 | |
| {$endif SUPPORT_MMX}
 | |
|            if is_64bitint(left.resulttype.def) then
 | |
|              begin
 | |
|                 if (location.loc in [LOC_REFERENCE,LOC_MEM,LOC_CREGISTER]) then
 | |
|                  begin
 | |
|                    location.loc:=LOC_REGISTER;
 | |
|                    if (registers32<2) then
 | |
|                     registers32:=2;
 | |
|                  end;
 | |
|              end
 | |
|          else if is_integer(left.resulttype.def) then
 | |
|            begin
 | |
|               if (left.location.loc<>LOC_REGISTER) and
 | |
|                  (registers32<1) then
 | |
|                 registers32:=1;
 | |
|               location.loc:=LOC_REGISTER;
 | |
|            end
 | |
|       end;
 | |
| 
 | |
| begin
 | |
|    cmoddivnode:=tmoddivnode;
 | |
|    cshlshrnode:=tshlshrnode;
 | |
|    cunaryminusnode:=tunaryminusnode;
 | |
|    cnotnode:=tnotnode;
 | |
| end.
 | |
| {
 | |
|   $Log$
 | |
|   Revision 1.27  2001-12-29 15:27:24  jonas
 | |
|     * made 'mod powerof2' -> 'and' optimization processor independent
 | |
| 
 | |
|   Revision 1.26  2001/12/27 15:33:58  jonas
 | |
|     * fixed fpuregister counting errors ("merged")
 | |
| 
 | |
|   Revision 1.25  2001/11/02 22:58:02  peter
 | |
|     * procsym definition rewrite
 | |
| 
 | |
|   Revision 1.24  2001/10/12 13:51:51  jonas
 | |
|     * fixed internalerror(10) due to previous fpu overflow fixes ("merged")
 | |
|     * fixed bug in n386add (introduced after compilerproc changes for string
 | |
|       operations) where calcregisters wasn't called for shortstring addnodes
 | |
|     * NOTE: from now on, the location of a binary node must now always be set
 | |
|        before you call calcregisters() for it
 | |
| 
 | |
|   Revision 1.23  2001/09/05 15:22:09  jonas
 | |
|     * made multiplying, dividing and mod'ing of int64 and qword processor
 | |
|       independent with compilerprocs (+ small optimizations by using shift/and
 | |
|       where possible)
 | |
| 
 | |
|   Revision 1.22  2001/09/02 21:12:07  peter
 | |
|     * move class of definitions into type section for delphi
 | |
| 
 | |
|   Revision 1.21  2001/08/26 13:36:41  florian
 | |
|     * some cg reorganisation
 | |
|     * some PPC updates
 | |
| 
 | |
|   Revision 1.20  2001/04/13 01:22:10  peter
 | |
|     * symtable change to classes
 | |
|     * range check generation and errors fixed, make cycle DEBUG=1 works
 | |
|     * memory leaks fixed
 | |
| 
 | |
|   Revision 1.19  2001/04/05 21:00:27  peter
 | |
|     * fix constant not evaluation
 | |
| 
 | |
|   Revision 1.18  2001/04/04 22:42:40  peter
 | |
|     * move constant folding into det_resulttype
 | |
| 
 | |
|   Revision 1.17  2001/04/02 21:20:31  peter
 | |
|     * resulttype rewrite
 | |
| 
 | |
|   Revision 1.16  2001/03/20 18:11:03  jonas
 | |
|     * not (cardinal) now has cardinal instead of longint result (bug reported
 | |
|       in mailinglist) ("merged")
 | |
| 
 | |
|   Revision 1.15  2001/03/04 10:38:55  jonas
 | |
|     * fixed 'qword mod/div pos_const' to have qword result
 | |
| 
 | |
|   Revision 1.14  2001/02/20 21:48:17  peter
 | |
|     * remove nasm hack
 | |
| 
 | |
|   Revision 1.13  2001/01/06 18:28:39  peter
 | |
|     * fixed wrong notes about locals
 | |
| 
 | |
|   Revision 1.12  2001/01/05 17:36:57  florian
 | |
|   * the info about exception frames is stored now on the stack
 | |
|   instead on the heap
 | |
| 
 | |
|   Revision 1.11  2000/12/25 00:07:26  peter
 | |
|     + new tlinkedlist class (merge of old tstringqueue,tcontainer and
 | |
|       tlinkedlist objects)
 | |
| 
 | |
|   Revision 1.10  2000/12/16 15:54:01  jonas
 | |
|     * 'resulttype.def of cardinal shl/shr x' is cardinal instead of longint
 | |
| 
 | |
|   Revision 1.9  2000/11/29 00:30:34  florian
 | |
|     * unused units removed from uses clause
 | |
|     * some changes for widestrings
 | |
| 
 | |
|   Revision 1.8  2000/10/31 22:02:49  peter
 | |
|     * symtable splitted, no real code changes
 | |
| 
 | |
|   Revision 1.7  2000/10/01 19:48:24  peter
 | |
|     * lot of compile updates for cg11
 | |
| 
 | |
|   Revision 1.6  2000/09/27 21:33:22  florian
 | |
|     * finally nadd.pas compiles
 | |
| 
 | |
|   Revision 1.5  2000/09/27 20:25:44  florian
 | |
|     * more stuff fixed
 | |
| 
 | |
|   Revision 1.4  2000/09/24 15:06:19  peter
 | |
|     * use defines.inc
 | |
| 
 | |
|   Revision 1.3  2000/09/22 22:48:54  florian
 | |
|     * some fixes
 | |
| 
 | |
|   Revision 1.2  2000/09/22 22:09:54  florian
 | |
|     * more stuff converted
 | |
| 
 | |
|   Revision 1.1  2000/09/20 21:35:12  florian
 | |
|     * initial revision
 | |
| }
 | 
