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			878 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			878 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
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|     $Id$
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|     Copyright (c) 2000-2002 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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| {$i fpcdefs.inc}
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| 
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| interface
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| 
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|     uses
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|        node;
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| 
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|     type
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|        tmoddivnode = class(tbinopnode)
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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|          protected
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| {$ifndef cpu64bit}
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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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| {$endif cpu64bit}
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|           function firstoptimize: tnode; virtual;
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|           function first_moddivint: tnode; virtual;
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|        end;
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|        tmoddivnodeclass = class of tmoddivnode;
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| 
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|        tshlshrnode = class(tbinopnode)
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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| {$ifndef cpu64bit}
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|           { override the following if you want to implement }
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|           { parts explicitely in the code generator (CEC)
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|             Should return nil, if everything will be handled
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|             in the code generator
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|           }
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|           function first_shlshr64bitint: tnode; virtual;
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| {$endif cpu64bit}
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|        end;
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|        tshlshrnodeclass = class of tshlshrnode;
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| 
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|        tunaryminusnode = class(tunarynode)
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|           constructor create(expr : tnode);virtual;
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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|        end;
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|        tunaryminusnodeclass = class of tunaryminusnode;
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| 
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|        tnotnode = class(tunarynode)
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|           constructor create(expr : tnode);virtual;
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|           function pass_1 : tnode;override;
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|           function det_resulttype:tnode;override;
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|        {$ifdef state_tracking}
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|           function track_state_pass(exec_known:boolean):boolean;override;
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|        {$endif}
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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,
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|       verbose,globals,cutils,
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|       globtype,
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|       symconst,symtype,symdef,defutil,
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|       htypechk,pass_1,
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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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|          hp,t : tnode;
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|          rd,ld : torddef;
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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,vs_used,true);
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|          set_varstate(right,vs_used,true);
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|          if codegenerror then
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|            exit;
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| 
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|          { we need 2 orddefs always }
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|          if (left.resulttype.def.deftype<>orddef) then
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|            inserttypeconv(right,sinttype);
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|          if (right.resulttype.def.deftype<>orddef) then
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|            inserttypeconv(right,sinttype);
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|          if codegenerror then
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|            exit;
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| 
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|          rd:=torddef(right.resulttype.def);
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|          ld:=torddef(left.resulttype.def);
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| 
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|          { check for division by zero }
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|          if is_constintnode(right) then
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|            begin
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|              rv:=tordconstnode(right).value;
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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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|              if is_constintnode(left) then
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|                begin
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|                  lv:=tordconstnode(left).value;
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| 
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|                  case nodetype of
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|                    modn:
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|                      if (torddef(ld).typ <> u64bit) or
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|                         (torddef(rd).typ <> u64bit) then
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|                        t:=genintconstnode(lv mod rv)
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|                      else
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|                        t:=genintconstnode(int64(qword(lv) mod qword(rv)));
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|                    divn:
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|                      if (torddef(ld).typ <> u64bit) or
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|                         (torddef(rd).typ <> u64bit) then
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|                        t:=genintconstnode(lv div rv)
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|                      else
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|                        t:=genintconstnode(int64(qword(lv) div qword(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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|             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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|          { 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 (rd.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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|            begin
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|              inserttypeconv(left,right.resulttype);
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|              ld:=torddef(left.resulttype.def);
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|            end;
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|          if (ld.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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|           begin
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|             inserttypeconv(right,left.resulttype);
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|             rd:=torddef(right.resulttype.def);
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|           end;
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| 
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|          { when there is one currency value, everything is done
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|            using currency }
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|          if (ld.typ=scurrency) or
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|             (rd.typ=scurrency) then
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|            begin
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|              if (ld.typ<>scurrency) then
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|               inserttypeconv(left,s64currencytype);
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|              if (rd.typ<>scurrency) then
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|               inserttypeconv(right,s64currencytype);
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|              resulttype:=left.resulttype;
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|            end
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|          else
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| {$ifndef cpu64bit}
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|           { when there is one 64bit value, everything is done
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|             in 64bit }
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|           if (is_64bitint(left.resulttype.def) or
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|               is_64bitint(right.resulttype.def)) then
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|            begin
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|              if is_signed(rd) or is_signed(ld) then
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|                begin
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|                   if (ld.typ<>s64bit) then
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|                     inserttypeconv(left,s64inttype);
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|                   if (rd.typ<>s64bit) then
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|                     inserttypeconv(right,s64inttype);
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|                end
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|              else
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|                begin
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|                   if (ld.typ<>u64bit) then
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|                     inserttypeconv(left,u64inttype);
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|                   if (rd.typ<>u64bit) then
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|                     inserttypeconv(right,u64inttype);
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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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|           { when mixing cardinals and signed numbers, convert everythign to 64bit (JM) }
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|           if ((rd.typ = u32bit) and
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|               is_signed(ld)) or
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|              ((ld.typ = u32bit) and
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|               is_signed(rd)) then
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|            begin
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|               CGMessage(type_w_mixed_signed_unsigned);
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|               if (ld.typ<>s64bit) then
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|                 inserttypeconv(left,s64inttype);
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|               if (rd.typ<>s64bit) then
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|                 inserttypeconv(right,s64inttype);
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|               resulttype:=left.resulttype;
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|            end
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|          else
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| {$endif cpu64bit}
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|            begin
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|               { Make everything always default singed int }
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|               if not(rd.typ in [torddef(sinttype.def).typ,torddef(uinttype.def).typ]) then
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|                 inserttypeconv(right,sinttype);
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|               if not(ld.typ in [torddef(sinttype.def).typ,torddef(uinttype.def).typ]) then
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|                 inserttypeconv(left,sinttype);
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|               resulttype:=right.resulttype;
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|            end;
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| 
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|          { when the result is currency we need some extra code for
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|            division. this should not be done when the divn node is
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|            created internally }
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|          if (nodetype=divn) and
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|             not(nf_is_currency in flags) and
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|             is_currency(resulttype.def) then
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|           begin
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|             hp:=caddnode.create(muln,getcopy,cordconstnode.create(10000,s64currencytype,false));
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|             include(hp.flags,nf_is_currency);
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|             result:=hp;
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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_moddivint: tnode;
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| {$ifdef cpuneedsdiv32helper}
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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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|         { only qword needs the unsigned code, the
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|           signed code is also used for currency }
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|         if is_signed(resulttype.def) then
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|           procname := procname + 'longint'
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|         else
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|           procname := procname + 'dword';
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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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| {$else cpuneedsdiv32helper}
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|       begin
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|         result:=nil;
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|       end;
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| {$endif cpuneedsdiv32helper}
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| 
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| 
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| {$ifndef cpu64bit}
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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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|         { when currency is used set the result of the
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|           parameters to s64bit, so they are not converted }
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|         if is_currency(resulttype.def) then
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|           begin
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|             left.resulttype:=s64inttype;
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|             right.resulttype:=s64inttype;
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|           end;
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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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|         { only qword needs the unsigned code, the
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|           signed code is also used for currency }
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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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| {$endif cpu64bit}
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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,sinttype,false)),
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|                         cordconstnode.create(tordconstnode(right).value-1,
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|                           right.resulttype,false)));
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|                     newtype := sarn;
 | |
|                   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);
 | |
|               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;
 | |
|           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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|          { Try to optimize mod/div }
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|          result := firstoptimize;
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|          if assigned(result) then
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|            exit;
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| 
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| {$ifndef cpu64bit}
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|          { 64bit }
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|          if (left.resulttype.def.deftype=orddef) and
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|             (right.resulttype.def.deftype=orddef) and
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|             (is_64bitint(left.resulttype.def) or is_64bitint(right.resulttype.def)) then
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|            begin
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|              result := first_moddiv64bitint;
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|              if assigned(result) then
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|                exit;
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|              expectloc:=LOC_REGISTER;
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|              calcregisters(self,2,0,0);
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|            end
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|          else
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| {$endif cpu64bit}
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|            begin
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|              result := first_moddivint;
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|              if assigned(result) then
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|                exit;
 | |
|              left_right_max;
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|              if left.registersint<=right.registersint then
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|               inc(registersint);
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|            end;
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|          expectloc:=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;
 | |
|          resulttypepass(left);
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|          resulttypepass(right);
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|          set_varstate(right,vs_used,true);
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|          set_varstate(left,vs_used,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);
 | |
|                  shln:
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|                    t:=genintconstnode(tordconstnode(left).value shl tordconstnode(right).value);
 | |
|               end;
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|               result:=t;
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|          { allow operator overloading }
 | |
|          t:=self;
 | |
|          if isbinaryoverloaded(t) then
 | |
|            begin
 | |
|               result:=t;
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|          { calculations for ordinals < 32 bit have to be done in
 | |
|            32 bit for backwards compatibility. That way 'shl 33' is
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|            the same as 'shl 1'. It's ugly but compatible with delphi/tp/gcc }
 | |
|          if (not is_64bit(left.resulttype.def)) and
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|             (torddef(left.resulttype.def).typ<>u32bit) then
 | |
|            inserttypeconv(left,s32inttype);
 | |
| 
 | |
|          inserttypeconv(right,sinttype);
 | |
| 
 | |
|          resulttype:=left.resulttype;
 | |
|       end;
 | |
| 
 | |
| 
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| {$ifndef cpu64bit}
 | |
|     function tshlshrnode.first_shlshr64bitint: tnode;
 | |
|       var
 | |
|         procname: string[31];
 | |
|       begin
 | |
|         result := nil;
 | |
|         { otherwise create a call to a helper }
 | |
|         if nodetype = shln then
 | |
|           procname := 'fpc_shl_int64'
 | |
|         else
 | |
|           procname := 'fpc_shr_int64';
 | |
|         { this order of parameters works at least for the arm,
 | |
|           however it should work for any calling conventions (FK) }
 | |
|         result := ccallnode.createintern(procname,ccallparanode.create(right,
 | |
|           ccallparanode.create(left,nil)));
 | |
|         left := nil;
 | |
|         right := nil;
 | |
|         firstpass(result);
 | |
|       end;
 | |
| {$endif cpu64bit}
 | |
| 
 | |
| 
 | |
|     function tshlshrnode.pass_1 : tnode;
 | |
|       var
 | |
|          regs : longint;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          firstpass(left);
 | |
|          firstpass(right);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
| {$ifndef cpu64bit}
 | |
|          { 64 bit ints have their own shift handling }
 | |
|          if is_64bit(left.resulttype.def) then
 | |
|            begin
 | |
|              result := first_shlshr64bitint;
 | |
|              if assigned(result) then
 | |
|                exit;
 | |
|              regs:=2;
 | |
|            end
 | |
|          else
 | |
| {$endif cpu64bit}
 | |
|            begin
 | |
|              regs:=1
 | |
|            end;
 | |
| 
 | |
|          if (right.nodetype<>ordconstn) then
 | |
|            inc(regs);
 | |
|          expectloc:=LOC_REGISTER;
 | |
|          calcregisters(self,regs,0,0);
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                             TUNARYMINUSNODE
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     constructor tunaryminusnode.create(expr : tnode);
 | |
|       begin
 | |
|          inherited create(unaryminusn,expr);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tunaryminusnode.det_resulttype : tnode;
 | |
|       var
 | |
|          t : tnode;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          resulttypepass(left);
 | |
|          set_varstate(left,vs_used,true);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          { constant folding }
 | |
|          if is_constintnode(left) then
 | |
|            begin
 | |
|               result:=genintconstnode(-tordconstnode(left).value);
 | |
|               exit;
 | |
|            end;
 | |
|          if is_constrealnode(left) then
 | |
|            begin
 | |
|               trealconstnode(left).value_real:=-trealconstnode(left).value_real;
 | |
|               result:=left;
 | |
|               left:=nil;
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|          resulttype:=left.resulttype;
 | |
|          if (left.resulttype.def.deftype=floatdef) then
 | |
|            begin
 | |
|            end
 | |
| {$ifdef SUPPORT_MMX}
 | |
|          else if (cs_mmx in aktlocalswitches) and
 | |
|            is_mmx_able_array(left.resulttype.def) then
 | |
|              begin
 | |
|                { if saturation is on, left.resulttype.def isn't
 | |
|                  "mmx able" (FK)
 | |
|                if (cs_mmx_saturation in aktlocalswitches^) and
 | |
|                  (torddef(tarraydef(resulttype.def).definition).typ in
 | |
|                  [s32bit,u32bit]) then
 | |
|                  CGMessage(type_e_mismatch);
 | |
|                }
 | |
|              end
 | |
| {$endif SUPPORT_MMX}
 | |
| {$ifndef cpu64bit}
 | |
|          else if is_64bitint(left.resulttype.def) then
 | |
|            begin
 | |
|            end
 | |
| {$endif cpu64bit}
 | |
|          else if (left.resulttype.def.deftype=orddef) then
 | |
|            begin
 | |
|               inserttypeconv(left,sinttype);
 | |
|               resulttype:=left.resulttype;
 | |
|            end
 | |
|          else
 | |
|            begin
 | |
|              { allow operator overloading }
 | |
|              t:=self;
 | |
|              if isunaryoverloaded(t) then
 | |
|                begin
 | |
|                   result:=t;
 | |
|                   exit;
 | |
|                end;
 | |
| 
 | |
|              CGMessage(type_e_mismatch);
 | |
|            end;
 | |
|       end;
 | |
| 
 | |
|     { generic code     }
 | |
|     { overridden by:   }
 | |
|     {   i386           }
 | |
|     function tunaryminusnode.pass_1 : tnode;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          firstpass(left);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          registersint:=left.registersint;
 | |
|          registersfpu:=left.registersfpu;
 | |
| {$ifdef SUPPORT_MMX}
 | |
|          registersmmx:=left.registersmmx;
 | |
| {$endif SUPPORT_MMX}
 | |
| 
 | |
|          if (left.resulttype.def.deftype=floatdef) then
 | |
|            begin
 | |
|               if (left.expectloc<>LOC_REGISTER) and
 | |
|                  (registersfpu<1) then
 | |
|                 registersfpu:=1;
 | |
|               expectloc:=LOC_FPUREGISTER;
 | |
|            end
 | |
| {$ifdef SUPPORT_MMX}
 | |
|          else if (cs_mmx in aktlocalswitches) and
 | |
|            is_mmx_able_array(left.resulttype.def) then
 | |
|              begin
 | |
|                if (left.expectloc<>LOC_MMXREGISTER) and
 | |
|                   (registersmmx<1) then
 | |
|                  registersmmx:=1;
 | |
|              end
 | |
| {$endif SUPPORT_MMX}
 | |
| {$ifndef cpu64bit}
 | |
|          else if is_64bit(left.resulttype.def) then
 | |
|            begin
 | |
|               if (left.expectloc<>LOC_REGISTER) and
 | |
|                  (registersint<2) then
 | |
|                 registersint:=2;
 | |
|               expectloc:=LOC_REGISTER;
 | |
|            end
 | |
| {$endif cpu64bit}
 | |
|          else if (left.resulttype.def.deftype=orddef) then
 | |
|            begin
 | |
|               if (left.expectloc<>LOC_REGISTER) and
 | |
|                  (registersint<1) then
 | |
|                 registersint:=1;
 | |
|               expectloc:=LOC_REGISTER;
 | |
|            end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TNOTNODE
 | |
|  ****************************************************************************}
 | |
| 
 | |
|     const
 | |
|       boolean_reverse:array[ltn..unequaln] of Tnodetype=(
 | |
|         gten,gtn,lten,ltn,unequaln,equaln
 | |
|       );
 | |
| 
 | |
|     constructor tnotnode.create(expr : tnode);
 | |
|       begin
 | |
|          inherited create(notn,expr);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tnotnode.det_resulttype : tnode;
 | |
|       var
 | |
|          t : tnode;
 | |
|          tt : ttype;
 | |
|          v : tconstexprint;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          resulttypepass(left);
 | |
|          set_varstate(left,vs_used,true);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          resulttype:=left.resulttype;
 | |
| 
 | |
|          { Try optmimizing ourself away }
 | |
|          if left.nodetype=notn then
 | |
|            begin
 | |
|              { Double not. Remove both }
 | |
|              result:=Tnotnode(left).left;
 | |
|              Tnotnode(left).left:=nil;
 | |
|              exit;
 | |
|            end;
 | |
| 
 | |
|          if (left.nodetype in [ltn,lten,equaln,unequaln,gtn,gten]) then
 | |
|           begin
 | |
|             { Not of boolean expression. Turn around the operator and remove
 | |
|               the not. This is not allowed for sets with the gten/lten,
 | |
|               because there is no ltn/gtn support }
 | |
|             if (taddnode(left).left.resulttype.def.deftype<>setdef) or
 | |
|                (left.nodetype in [equaln,unequaln]) then
 | |
|              begin
 | |
|                result:=left;
 | |
|                left.nodetype:=boolean_reverse[left.nodetype];
 | |
|                left:=nil;
 | |
|                exit;
 | |
|              end;
 | |
|           end;
 | |
| 
 | |
|          { constant folding }
 | |
|          if (left.nodetype=ordconstn) then
 | |
|            begin
 | |
|               v:=tordconstnode(left).value;
 | |
|               tt:=left.resulttype;
 | |
|               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,
 | |
|                 uwidechar,
 | |
|                 u8bit,
 | |
|                 s8bit,
 | |
|                 u16bit,
 | |
|                 s16bit,
 | |
|                 u32bit,
 | |
|                 s32bit,
 | |
|                 s64bit,
 | |
|                 u64bit :
 | |
|                   begin
 | |
|                     v:=int64(not int64(v)); { maybe qword is required }
 | |
|                     int_to_type(v,tt);
 | |
|                   end;
 | |
|                 else
 | |
|                   CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               t:=cordconstnode.create(v,tt,true);
 | |
|               result:=t;
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|          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}
 | |
| {$ifndef cpu64bit}
 | |
|            if is_64bitint(left.resulttype.def) then
 | |
|              begin
 | |
|              end
 | |
|          else
 | |
| {$endif cpu64bit}
 | |
|            if is_integer(left.resulttype.def) then
 | |
|              begin
 | |
|              end
 | |
|          else
 | |
|            begin
 | |
|              { allow operator overloading }
 | |
|              t:=self;
 | |
|              if isunaryoverloaded(t) then
 | |
|                begin
 | |
|                   result:=t;
 | |
|                   exit;
 | |
|                end;
 | |
| 
 | |
|              CGMessage(type_e_mismatch);
 | |
|            end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tnotnode.pass_1 : tnode;
 | |
|       begin
 | |
|          result:=nil;
 | |
|          firstpass(left);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          expectloc:=left.expectloc;
 | |
|          registersint:=left.registersint;
 | |
| {$ifdef SUPPORT_MMX}
 | |
|          registersmmx:=left.registersmmx;
 | |
| {$endif SUPPORT_MMX}
 | |
|          if is_boolean(resulttype.def) then
 | |
|            begin
 | |
|              if (expectloc in [LOC_REFERENCE,LOC_CREFERENCE,LOC_CREGISTER]) then
 | |
|               begin
 | |
|                 expectloc:=LOC_REGISTER;
 | |
|                 if (registersint<1) then
 | |
|                  registersint:=1;
 | |
|               end;
 | |
|             { before loading it into flags we need to load it into
 | |
|               a register thus 1 register is need PM }
 | |
| {$ifdef cpuflags}
 | |
|              if left.expectloc<>LOC_JUMP then
 | |
|                expectloc:=LOC_FLAGS;
 | |
| {$endif def cpuflags}
 | |
|            end
 | |
|          else
 | |
| {$ifdef SUPPORT_MMX}
 | |
|            if (cs_mmx in aktlocalswitches) and
 | |
|              is_mmx_able_array(left.resulttype.def) then
 | |
|              begin
 | |
|                if (left.expectloc<>LOC_MMXREGISTER) and
 | |
|                  (registersmmx<1) then
 | |
|                  registersmmx:=1;
 | |
|              end
 | |
|          else
 | |
| {$endif SUPPORT_MMX}
 | |
| {$ifndef cpu64bit}
 | |
|            if is_64bit(left.resulttype.def) then
 | |
|              begin
 | |
|                 if (expectloc in [LOC_REFERENCE,LOC_CREFERENCE,LOC_CREGISTER]) then
 | |
|                  begin
 | |
|                    expectloc:=LOC_REGISTER;
 | |
|                    if (registersint<2) then
 | |
|                     registersint:=2;
 | |
|                  end;
 | |
|              end
 | |
|          else
 | |
| {$endif cpu64bit}
 | |
|            if is_integer(left.resulttype.def) then
 | |
|              begin
 | |
|                if (left.expectloc<>LOC_REGISTER) and
 | |
|                   (registersint<1) then
 | |
|                  registersint:=1;
 | |
|                expectloc:=LOC_REGISTER;
 | |
|              end;
 | |
|       end;
 | |
| 
 | |
| {$ifdef state_tracking}
 | |
|     function Tnotnode.track_state_pass(exec_known:boolean):boolean;
 | |
|       begin
 | |
|         track_state_pass:=true;
 | |
|         if left.track_state_pass(exec_known) then
 | |
|           begin
 | |
|             left.resulttype.def:=nil;
 | |
|             do_resulttypepass(left);
 | |
|           end;
 | |
|       end;
 | |
| {$endif}
 | |
| 
 | |
| begin
 | |
|    cmoddivnode:=tmoddivnode;
 | |
|    cshlshrnode:=tshlshrnode;
 | |
|    cunaryminusnode:=tunaryminusnode;
 | |
|    cnotnode:=tnotnode;
 | |
| end.
 | |
| {
 | |
|   $Log$
 | |
|   Revision 1.65  2004-06-20 08:55:29  florian
 | |
|     * logs truncated
 | |
| 
 | |
|   Revision 1.64  2004/06/16 20:07:09  florian
 | |
|     * dwarf branch merged
 | |
| 
 | |
|   Revision 1.63  2004/05/28 21:14:34  peter
 | |
|     * fixed div qword
 | |
| 
 | |
|   Revision 1.62  2004/05/19 23:29:25  peter
 | |
|     * don't change sign for unsigned shl/shr operations
 | |
|     * cleanup for u32bit
 | |
| 
 | |
|   Revision 1.61.2.1  2004/05/03 16:27:38  peter
 | |
|     * fixed shl for x86-64
 | |
| 
 | |
|   Revision 1.61  2004/03/29 14:44:10  peter
 | |
|     * fixes to previous constant integer commit
 | |
| 
 | |
| }
 | 
