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https://gitlab.com/freepascal.org/fpc/source.git
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1582 lines
57 KiB
ObjectPascal
1582 lines
57 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1993-98 by Florian Klaempfl
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Generate i386 assembler for type converting nodes
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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{$ifdef TP}
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{$E+,F+,N+,D+,L+,Y+}
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{$endif}
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unit cg386cnv;
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interface
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uses
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tree;
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procedure loadshortstring(p:ptree);
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procedure loadansi2short(source,dest : ptree);
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procedure secondtypeconv(var p : ptree);
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procedure secondas(var p : ptree);
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procedure secondis(var p : ptree);
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implementation
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uses
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cobjects,verbose,globtype,globals,systems,
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symtable,aasm,types,
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hcodegen,temp_gen,pass_2,pass_1,
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i386base,i386asm,
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cgai386,tgeni386;
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procedure push_shortstring_length(p:ptree);
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var
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hightree : ptree;
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begin
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if is_open_string(p^.resulttype) then
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begin
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getsymonlyin(p^.symtable,'high'+pvarsym(p^.symtableentry)^.name);
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hightree:=genloadnode(pvarsym(srsym),p^.symtable);
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firstpass(hightree);
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secondpass(hightree);
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push_value_para(hightree,false,0,4);
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disposetree(hightree);
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end
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else
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begin
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push_int(pstringdef(p^.resulttype)^.len);
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end;
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end;
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procedure loadshortstring(p:ptree);
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{
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Load a string, handles stringdef and orddef (char) types
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}
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begin
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case p^.right^.resulttype^.deftype of
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stringdef:
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begin
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if (p^.right^.treetype=stringconstn) and
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(str_length(p^.right)=0) then
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exprasmlist^.concat(new(pai386,op_const_ref(
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A_MOV,S_B,0,newreference(p^.left^.location.reference))))
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else
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begin
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emitpushreferenceaddr(p^.left^.location.reference);
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emitpushreferenceaddr(p^.right^.location.reference);
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push_shortstring_length(p^.left);
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emitcall('FPC_SHORTSTR_COPY');
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maybe_loadesi;
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end;
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end;
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orddef:
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begin
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if p^.right^.treetype=ordconstn then
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exprasmlist^.concat(new(pai386,op_const_ref(
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A_MOV,S_W,p^.right^.value*256+1,newreference(p^.left^.location.reference))))
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else
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begin
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{ not so elegant (goes better with extra register }
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if (p^.right^.location.loc in [LOC_REGISTER,LOC_CREGISTER]) then
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begin
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exprasmlist^.concat(new(pai386,op_reg_reg(
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A_MOV,S_L,makereg32(p^.right^.location.register),R_EDI)));
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ungetregister(p^.right^.location.register);
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end
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else
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begin
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exprasmlist^.concat(new(pai386,op_ref_reg(
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A_MOV,S_L,newreference(p^.right^.location.reference),R_EDI)));
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del_reference(p^.right^.location.reference);
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end;
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exprasmlist^.concat(new(pai386,op_const_reg(A_SHL,S_L,8,R_EDI)));
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exprasmlist^.concat(new(pai386,op_const_reg(A_OR,S_L,1,R_EDI)));
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exprasmlist^.concat(new(pai386,op_reg_ref(
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A_MOV,S_W,R_DI,newreference(p^.left^.location.reference))));
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end;
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end;
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else
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CGMessage(type_e_mismatch);
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end;
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end;
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procedure loadansi2short(source,dest : ptree);
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var
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pushed : tpushed;
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begin
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del_reference(dest^.location.reference);
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case source^.location.loc of
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LOC_REFERENCE,LOC_MEM:
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begin
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ungetiftemp(source^.location.reference);
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{$IfNDef regallocfix}
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del_reference(source^.location.reference);
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pushusedregisters(pushed,$ff);
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emit_push_mem(source^.location.reference);
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{$Else regallocfix}
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pushusedregisters(pushed,$ff
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xor ($80 shr byte(source^.location.reference.base))
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xor ($80 shr byte(source^.location.reference.index)));
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emit_push_mem(source^.location.reference);
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del_reference(source^.location.reference);
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{$EndIf regallocfix}
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end;
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LOC_REGISTER,LOC_CREGISTER:
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begin
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{$IfNDef regallocfix}
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ungetregister32(source^.location.register);
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pushusedregisters(pushed,$ff);
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exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,source^.location.register)));
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{$Else regallocfix}
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pushusedregisters(pushed, $ff xor ($80 shr byte(source^.location.register)));
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exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,source^.location.register)));
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ungetregister32(source^.location.register);
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{$EndIf regallocfix}
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end;
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end;
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push_shortstring_length(dest);
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emitpushreferenceaddr(dest^.location.reference);
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emitcall('FPC_ANSISTR_TO_SHORTSTR');
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popusedregisters(pushed);
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maybe_loadesi;
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end;
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{*****************************************************************************
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SecondTypeConv
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*****************************************************************************}
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type
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tsecondconvproc = procedure(pto,pfrom : ptree;convtyp : tconverttype);
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procedure second_int_to_int(pto,pfrom : ptree;convtyp : tconverttype);
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var
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op : tasmop;
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opsize : topsize;
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hregister : tregister;
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begin
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{ insert range check if not explicit conversion }
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if not(pto^.explizit) then
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emitrangecheck(pfrom,pto^.resulttype);
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{ is the result size smaller ? }
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if pto^.resulttype^.size<pfrom^.resulttype^.size then
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begin
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{ only need to set the new size of a register }
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if (pfrom^.location.loc in [LOC_REGISTER,LOC_CREGISTER]) then
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begin
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case pto^.resulttype^.size of
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1 : pto^.location.register:=makereg8(pfrom^.location.register);
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2 : pto^.location.register:=makereg16(pfrom^.location.register);
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4 : pto^.location.register:=makereg32(pfrom^.location.register);
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end;
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end;
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end
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{ is the result size bigger ? }
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else if pto^.resulttype^.size>pfrom^.resulttype^.size then
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begin
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{ remove reference }
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if not(pfrom^.location.loc in [LOC_REGISTER,LOC_CREGISTER]) then
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begin
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del_reference(pfrom^.location.reference);
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{ we can do this here as we need no temp inside }
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ungetiftemp(pfrom^.location.reference);
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end;
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{ get op and opsize, handle separate for constants, becuase
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movz doesn't support constant values }
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if (pfrom^.location.loc=LOC_MEM) and (pfrom^.location.reference.is_immediate) then
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begin
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opsize:=def_opsize(pto^.resulttype);
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op:=A_MOV;
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end
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else
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begin
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opsize:=def2def_opsize(pfrom^.resulttype,pto^.resulttype);
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if opsize in [S_B,S_W,S_L] then
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op:=A_MOV
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else
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if is_signed(pfrom^.resulttype) then
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op:=A_MOVSX
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else
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op:=A_MOVZX;
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end;
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{ load the register we need }
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if pfrom^.location.loc<>LOC_REGISTER then
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hregister:=getregister32
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else
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hregister:=pfrom^.location.register;
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{ set the correct register size and location }
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clear_location(pto^.location);
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pto^.location.loc:=LOC_REGISTER;
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case pto^.resulttype^.size of
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1 : pto^.location.register:=makereg8(hregister);
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2 : pto^.location.register:=makereg16(hregister);
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4 : pto^.location.register:=makereg32(hregister);
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end;
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{ insert the assembler code }
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if pfrom^.location.loc in [LOC_CREGISTER,LOC_REGISTER] then
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emit_reg_reg(op,opsize,pfrom^.location.register,pto^.location.register)
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else
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exprasmlist^.concat(new(pai386,op_ref_reg(op,opsize,
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newreference(pfrom^.location.reference),pto^.location.register)));
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end;
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end;
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procedure second_string_to_string(pto,pfrom : ptree;convtyp : tconverttype);
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var
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pushed : tpushed;
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begin
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{ does anybody know a better solution than this big case statement ? }
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{ ok, a proc table would do the job }
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case pstringdef(pto^.resulttype)^.string_typ of
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st_shortstring:
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case pstringdef(pfrom^.resulttype)^.string_typ of
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st_shortstring:
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begin
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gettempofsizereference(pto^.resulttype^.size,pto^.location.reference);
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del_reference(pfrom^.location.reference);
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copyshortstring(pto^.location.reference,pfrom^.location.reference,
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pstringdef(pto^.resulttype)^.len,false);
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ungetiftemp(pfrom^.location.reference);
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end;
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st_longstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_ansistring:
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begin
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gettempofsizereference(pto^.resulttype^.size,pto^.location.reference);
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loadansi2short(pfrom,pto);
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{ this is done in secondtypeconv (FK)
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removetemps(exprasmlist,temptoremove);
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destroys:=true;
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}
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end;
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st_widestring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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end;
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st_longstring:
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case pstringdef(pfrom^.resulttype)^.string_typ of
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st_shortstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_ansistring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_widestring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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end;
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st_ansistring:
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case pstringdef(pfrom^.resulttype)^.string_typ of
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st_shortstring:
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begin
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clear_location(pto^.location);
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pto^.location.loc:=LOC_REFERENCE;
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if gettempansistringreference(pto^.location.reference) then
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decrstringref(cansistringdef,pto^.location.reference);
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pushusedregisters(pushed,$ff);
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emit_push_lea_loc(pfrom^.location);
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emit_push_lea_loc(pto^.location);
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emitcall('FPC_SHORTSTR_TO_ANSISTR');
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maybe_loadesi;
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popusedregisters(pushed);
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ungetiftemp(pfrom^.location.reference);
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end;
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st_longstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_widestring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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end;
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st_widestring:
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case pstringdef(pfrom^.resulttype)^.string_typ of
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st_shortstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_longstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_ansistring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_widestring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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end;
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end;
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end;
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procedure second_cstring_to_pchar(pto,pfrom : ptree;convtyp : tconverttype);
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begin
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clear_location(pto^.location);
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pto^.location.loc:=LOC_REGISTER;
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pto^.location.register:=getregister32;
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case pstringdef(pfrom^.resulttype)^.string_typ of
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st_shortstring :
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begin
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inc(pfrom^.location.reference.offset);
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exprasmlist^.concat(new(pai386,op_ref_reg(A_LEA,S_L,newreference(pfrom^.location.reference),
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pto^.location.register)));
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end;
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st_ansistring :
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begin
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exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,S_L,newreference(pfrom^.location.reference),
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pto^.location.register)));
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end;
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st_longstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_widestring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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end;
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end;
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procedure second_string_to_chararray(pto,pfrom : ptree;convtyp : tconverttype);
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begin
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case pstringdef(pfrom^.resulttype)^.string_typ of
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st_shortstring :
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begin
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inc(pto^.location.reference.offset);
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end;
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st_ansistring :
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_longstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_widestring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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end;
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end;
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procedure second_array_to_pointer(pto,pfrom : ptree;convtyp : tconverttype);
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begin
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del_reference(pfrom^.location.reference);
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clear_location(pto^.location);
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pto^.location.loc:=LOC_REGISTER;
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pto^.location.register:=getregister32;
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exprasmlist^.concat(new(pai386,op_ref_reg(A_LEA,S_L,newreference(pfrom^.location.reference),
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pto^.location.register)));
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end;
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procedure second_pointer_to_array(pto,pfrom : ptree;convtyp : tconverttype);
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begin
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clear_location(pto^.location);
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pto^.location.loc:=LOC_REFERENCE;
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reset_reference(pto^.location.reference);
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case pfrom^.location.loc of
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LOC_REGISTER :
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pto^.location.reference.base:=pfrom^.location.register;
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LOC_CREGISTER :
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begin
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pto^.location.reference.base:=getregister32;
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emit_reg_reg(A_MOV,S_L,pfrom^.location.register,pto^.location.reference.base);
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end
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else
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begin
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del_reference(pfrom^.location.reference);
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pto^.location.reference.base:=getregister32;
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exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,S_L,newreference(pfrom^.location.reference),
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pto^.location.reference.base)));
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end;
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end;
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end;
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{ generates the code for the type conversion from an array of char }
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{ to a string }
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procedure second_chararray_to_string(pto,pfrom : ptree;convtyp : tconverttype);
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var
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pushed : tpushed;
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l : longint;
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begin
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{ calc the length of the array }
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l:=parraydef(pfrom^.resulttype)^.highrange-parraydef(pfrom^.resulttype)^.lowrange+1;
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{ this is a type conversion which copies the data, so we can't }
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{ return a reference }
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clear_location(pto^.location);
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pto^.location.loc:=LOC_MEM;
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case pstringdef(pto^.resulttype)^.string_typ of
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st_shortstring :
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begin
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if l>255 then
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begin
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CGMessage(type_e_mismatch);
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l:=255;
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end;
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{ first get the memory for the string }
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gettempofsizereference(256,pto^.location.reference);
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{ write the length }
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exprasmlist^.concat(new(pai386,op_const_ref(A_MOV,S_B,l,
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newreference(pto^.location.reference))));
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{ copy to first char of string }
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inc(pto^.location.reference.offset);
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{ generates the copy code }
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{ and we need the source never }
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concatcopy(pfrom^.location.reference,pto^.location.reference,l,true,false);
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{ correct the string location }
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dec(pto^.location.reference.offset);
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end;
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st_ansistring :
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begin
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if gettempansistringreference(pto^.location.reference) then
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decrstringref(cansistringdef,pto^.location.reference);
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release_loc(pfrom^.location);
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pushusedregisters(pushed,$ff);
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push_int(l);
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emitpushreferenceaddr(pfrom^.location.reference);
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emitpushreferenceaddr(pto^.location.reference);
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emitcall('FPC_CHARARRAY_TO_ANSISTR');
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popusedregisters(pushed);
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maybe_loadesi;
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end;
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st_longstring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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st_widestring:
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begin
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{!!!!!!!}
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internalerror(8888);
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end;
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end;
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end;
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procedure second_char_to_string(pto,pfrom : ptree;convtyp : tconverttype);
|
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var
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pushed : tpushed;
|
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begin
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clear_location(pto^.location);
|
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pto^.location.loc:=LOC_MEM;
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case pstringdef(pto^.resulttype)^.string_typ of
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st_shortstring :
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begin
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gettempofsizereference(256,pto^.location.reference);
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|
{ call loadstring with correct left and right }
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pto^.right:=pfrom;
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|
pto^.left:=pto;
|
|
loadshortstring(pto);
|
|
pto^.left:=nil; { reset left tree, which is empty }
|
|
{ pto^.right is not disposed for typeconv !! PM }
|
|
disposetree(pto^.right);
|
|
pto^.right:=nil;
|
|
end;
|
|
st_ansistring :
|
|
begin
|
|
if gettempansistringreference(pto^.location.reference) then
|
|
decrstringref(cansistringdef,pto^.location.reference);
|
|
release_loc(pfrom^.location);
|
|
pushusedregisters(pushed,$ff);
|
|
emit_pushw_loc(pfrom^.location);
|
|
emitpushreferenceaddr(pto^.location.reference);
|
|
emitcall('FPC_CHAR_TO_ANSISTR');
|
|
popusedregisters(pushed);
|
|
maybe_loadesi;
|
|
end;
|
|
else
|
|
internalerror(4179);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure second_int_to_real(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
r : preference;
|
|
hregister : tregister;
|
|
begin
|
|
{ for u32bit a solution is to push $0 and to load a comp }
|
|
{ does this first, it destroys maybe EDI }
|
|
hregister:=R_EDI;
|
|
if porddef(pfrom^.resulttype)^.typ=u32bit then
|
|
push_int(0);
|
|
if (pfrom^.location.loc=LOC_REGISTER) or
|
|
(pfrom^.location.loc=LOC_CREGISTER) then
|
|
begin
|
|
case porddef(pfrom^.resulttype)^.typ of
|
|
s8bit : exprasmlist^.concat(new(pai386,op_reg_reg(A_MOVSX,S_BL,pfrom^.location.register,R_EDI)));
|
|
u8bit : exprasmlist^.concat(new(pai386,op_reg_reg(A_MOVZX,S_BL,pfrom^.location.register,R_EDI)));
|
|
s16bit : exprasmlist^.concat(new(pai386,op_reg_reg(A_MOVSX,S_WL,pfrom^.location.register,R_EDI)));
|
|
u16bit : exprasmlist^.concat(new(pai386,op_reg_reg(A_MOVZX,S_WL,pfrom^.location.register,R_EDI)));
|
|
u32bit,s32bit:
|
|
hregister:=pfrom^.location.register
|
|
end;
|
|
ungetregister(pfrom^.location.register);
|
|
end
|
|
else
|
|
begin
|
|
r:=newreference(pfrom^.location.reference);
|
|
case porddef(pfrom^.resulttype)^.typ of
|
|
s8bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVSX,S_BL,r,R_EDI)));
|
|
u8bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVZX,S_BL,r,R_EDI)));
|
|
s16bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVSX,S_WL,r,R_EDI)));
|
|
u16bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVZX,S_WL,r,R_EDI)));
|
|
u32bit,s32bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,S_L,r,R_EDI)));
|
|
end;
|
|
del_reference(pfrom^.location.reference);
|
|
ungetiftemp(pfrom^.location.reference);
|
|
end;
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,hregister)));
|
|
r:=new_reference(R_ESP,0);
|
|
if porddef(pfrom^.resulttype)^.typ=u32bit then
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FILD,S_IQ,r)))
|
|
else
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FILD,S_IL,r)));
|
|
|
|
{ better than an add on all processors }
|
|
if porddef(pfrom^.resulttype)^.typ=u32bit then
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_ADD,S_L,8,R_ESP)))
|
|
else
|
|
exprasmlist^.concat(new(pai386,op_reg(A_POP,S_L,R_EDI)));
|
|
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_FPU;
|
|
end;
|
|
|
|
|
|
procedure second_real_to_fix(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
rreg : tregister;
|
|
ref : treference;
|
|
begin
|
|
{ real must be on fpu stack }
|
|
if (pfrom^.location.loc<>LOC_FPU) then
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FLD,S_FL,newreference(pfrom^.location.reference))));
|
|
push_int($1f3f);
|
|
push_int(65536);
|
|
reset_reference(ref);
|
|
ref.base:=R_ESP;
|
|
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FIMUL,S_IL,newreference(ref))));
|
|
|
|
ref.offset:=4;
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FSTCW,S_NO,newreference(ref))));
|
|
|
|
ref.offset:=6;
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FLDCW,S_NO,newreference(ref))));
|
|
|
|
ref.offset:=0;
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FISTP,S_IL,newreference(ref))));
|
|
|
|
ref.offset:=4;
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FLDCW,S_NO,newreference(ref))));
|
|
|
|
rreg:=getregister32;
|
|
exprasmlist^.concat(new(pai386,op_reg(A_POP,S_L,rreg)));
|
|
{ better than an add on all processors }
|
|
exprasmlist^.concat(new(pai386,op_reg(A_POP,S_L,R_EDI)));
|
|
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_REGISTER;
|
|
pto^.location.register:=rreg;
|
|
end;
|
|
|
|
|
|
procedure second_real_to_real(pto,pfrom : ptree;convtyp : tconverttype);
|
|
begin
|
|
case pfrom^.location.loc of
|
|
LOC_FPU : ;
|
|
LOC_MEM,
|
|
LOC_REFERENCE:
|
|
begin
|
|
floatload(pfloatdef(pfrom^.resulttype)^.typ,
|
|
pfrom^.location.reference);
|
|
{ we have to free the reference }
|
|
del_reference(pfrom^.location.reference);
|
|
end;
|
|
end;
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_FPU;
|
|
end;
|
|
|
|
|
|
procedure second_fix_to_real(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
popeax,popebx,popecx,popedx : boolean;
|
|
startreg : tregister;
|
|
hl : pasmlabel;
|
|
r : treference;
|
|
begin
|
|
if (pfrom^.location.loc=LOC_REGISTER) or
|
|
(pfrom^.location.loc=LOC_CREGISTER) then
|
|
begin
|
|
startreg:=pfrom^.location.register;
|
|
ungetregister(startreg);
|
|
popeax:=(startreg<>R_EAX) and not (R_EAX in unused);
|
|
if popeax then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,R_EAX)));
|
|
{ mov eax,eax is removed by emit_reg_reg }
|
|
emit_reg_reg(A_MOV,S_L,startreg,R_EAX);
|
|
end
|
|
else
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,S_L,newreference(
|
|
pfrom^.location.reference),R_EAX)));
|
|
del_reference(pfrom^.location.reference);
|
|
startreg:=R_NO;
|
|
end;
|
|
|
|
popebx:=(startreg<>R_EBX) and not (R_EBX in unused);
|
|
if popebx then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,R_EBX)));
|
|
|
|
popecx:=(startreg<>R_ECX) and not (R_ECX in unused);
|
|
if popecx then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,R_ECX)));
|
|
|
|
popedx:=(startreg<>R_EDX) and not (R_EDX in unused);
|
|
if popedx then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,R_EDX)));
|
|
|
|
exprasmlist^.concat(new(pai386,op_none(A_CDQ,S_NO)));
|
|
emit_reg_reg(A_XOR,S_L,R_EDX,R_EAX);
|
|
emit_reg_reg(A_MOV,S_L,R_EAX,R_EBX);
|
|
emit_reg_reg(A_SUB,S_L,R_EDX,R_EAX);
|
|
getlabel(hl);
|
|
emitjmp(C_Z,hl);
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_RCL,S_L,1,R_EBX)));
|
|
emit_reg_reg(A_BSR,S_L,R_EAX,R_EDX);
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_MOV,S_B,32,R_CL)));
|
|
emit_reg_reg(A_SUB,S_B,R_DL,R_CL);
|
|
emit_reg_reg(A_SHL,S_L,R_CL,R_EAX);
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_ADD,S_W,1007,R_DX)));
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_SHL,S_W,5,R_DX)));
|
|
exprasmlist^.concat(new(pai386,op_const_reg_reg(A_SHLD,S_W,11,R_DX,R_BX)));
|
|
exprasmlist^.concat(new(pai386,op_const_reg_reg(A_SHLD,S_L,20,R_EAX,R_EBX)));
|
|
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_SHL,S_L,20,R_EAX)));
|
|
emitlab(hl);
|
|
{ better than an add on all processors }
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,R_EBX)));
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,R_EAX)));
|
|
|
|
reset_reference(r);
|
|
r.base:=R_ESP;
|
|
exprasmlist^.concat(new(pai386,op_ref(A_FLD,S_FL,newreference(r))));
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_ADD,S_L,8,R_ESP)));
|
|
if popedx then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_POP,S_L,R_EDX)));
|
|
if popecx then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_POP,S_L,R_ECX)));
|
|
if popebx then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_POP,S_L,R_EBX)));
|
|
if popeax then
|
|
exprasmlist^.concat(new(pai386,op_reg(A_POP,S_L,R_EAX)));
|
|
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_FPU;
|
|
end;
|
|
|
|
|
|
procedure second_int_to_fix(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
hregister : tregister;
|
|
begin
|
|
if (pfrom^.location.loc=LOC_REGISTER) then
|
|
hregister:=pfrom^.location.register
|
|
else if (pfrom^.location.loc=LOC_CREGISTER) then
|
|
hregister:=getregister32
|
|
else
|
|
begin
|
|
del_reference(pfrom^.location.reference);
|
|
hregister:=getregister32;
|
|
case porddef(pfrom^.resulttype)^.typ of
|
|
s8bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVSX,S_BL,newreference(pfrom^.location.reference),
|
|
hregister)));
|
|
u8bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVZX,S_BL,newreference(pfrom^.location.reference),
|
|
hregister)));
|
|
s16bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVSX,S_WL,newreference(pfrom^.location.reference),
|
|
hregister)));
|
|
u16bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOVZX,S_WL,newreference(pfrom^.location.reference),
|
|
hregister)));
|
|
u32bit,s32bit : exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,S_L,newreference(pfrom^.location.reference),
|
|
hregister)));
|
|
{!!!! u32bit }
|
|
end;
|
|
end;
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_SHL,S_L,16,hregister)));
|
|
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_REGISTER;
|
|
pto^.location.register:=hregister;
|
|
end;
|
|
|
|
|
|
procedure second_proc_to_procvar(pto,pfrom : ptree;convtyp : tconverttype);
|
|
begin
|
|
{ method pointer ? }
|
|
if assigned(pfrom^.left) then
|
|
begin
|
|
set_location(pto^.location,pfrom^.location);
|
|
end
|
|
else
|
|
begin
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_REGISTER;
|
|
pto^.location.register:=getregister32;
|
|
del_reference(pfrom^.location.reference);
|
|
exprasmlist^.concat(new(pai386,op_ref_reg(A_LEA,S_L,
|
|
newreference(pfrom^.location.reference),pto^.location.register)));
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure second_bool_to_int(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
oldtruelabel,oldfalselabel,hlabel : pasmlabel;
|
|
hregister : tregister;
|
|
newsize,
|
|
opsize : topsize;
|
|
op : tasmop;
|
|
begin
|
|
oldtruelabel:=truelabel;
|
|
oldfalselabel:=falselabel;
|
|
getlabel(truelabel);
|
|
getlabel(falselabel);
|
|
secondpass(pfrom);
|
|
{ byte(boolean) or word(wordbool) or longint(longbool) must
|
|
be accepted for var parameters }
|
|
if (pto^.explizit) and
|
|
(pfrom^.resulttype^.size=pto^.resulttype^.size) and
|
|
(pfrom^.location.loc in [LOC_REFERENCE,LOC_MEM,LOC_CREGISTER]) then
|
|
begin
|
|
set_location(pto^.location,pfrom^.location);
|
|
freelabel(truelabel);
|
|
freelabel(falselabel);
|
|
truelabel:=oldtruelabel;
|
|
falselabel:=oldfalselabel;
|
|
exit;
|
|
end;
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_REGISTER;
|
|
del_reference(pfrom^.location.reference);
|
|
case pfrom^.resulttype^.size of
|
|
1 : begin
|
|
case pto^.resulttype^.size of
|
|
1 : opsize:=S_B;
|
|
2 : opsize:=S_BW;
|
|
4 : opsize:=S_BL;
|
|
end;
|
|
end;
|
|
2 : begin
|
|
case pto^.resulttype^.size of
|
|
1 : begin
|
|
if pfrom^.location.loc in [LOC_REGISTER,LOC_CREGISTER] then
|
|
pfrom^.location.register:=reg16toreg8(pfrom^.location.register);
|
|
opsize:=S_B;
|
|
end;
|
|
2 : opsize:=S_W;
|
|
4 : opsize:=S_WL;
|
|
end;
|
|
end;
|
|
4 : begin
|
|
case pto^.resulttype^.size of
|
|
1 : begin
|
|
if pfrom^.location.loc in [LOC_REGISTER,LOC_CREGISTER] then
|
|
pfrom^.location.register:=reg32toreg8(pfrom^.location.register);
|
|
opsize:=S_B;
|
|
end;
|
|
2 : begin
|
|
if pfrom^.location.loc in [LOC_REGISTER,LOC_CREGISTER] then
|
|
pfrom^.location.register:=reg32toreg16(pfrom^.location.register);
|
|
opsize:=S_W;
|
|
end;
|
|
4 : opsize:=S_L;
|
|
end;
|
|
end;
|
|
end;
|
|
if opsize in [S_B,S_W,S_L] then
|
|
op:=A_MOV
|
|
else
|
|
if is_signed(pto^.resulttype) then
|
|
op:=A_MOVSX
|
|
else
|
|
op:=A_MOVZX;
|
|
hregister:=getregister32;
|
|
case pto^.resulttype^.size of
|
|
1 : begin
|
|
pto^.location.register:=reg32toreg8(hregister);
|
|
newsize:=S_B;
|
|
end;
|
|
2 : begin
|
|
pto^.location.register:=reg32toreg16(hregister);
|
|
newsize:=S_W;
|
|
end;
|
|
4 : begin
|
|
pto^.location.register:=hregister;
|
|
newsize:=S_L;
|
|
end;
|
|
else
|
|
internalerror(10060);
|
|
end;
|
|
|
|
case pfrom^.location.loc of
|
|
LOC_MEM,
|
|
LOC_REFERENCE : exprasmlist^.concat(new(pai386,op_ref_reg(op,opsize,
|
|
newreference(pfrom^.location.reference),pto^.location.register)));
|
|
LOC_REGISTER,
|
|
LOC_CREGISTER : begin
|
|
{ remove things like movb %al,%al }
|
|
if pfrom^.location.register<>pto^.location.register then
|
|
exprasmlist^.concat(new(pai386,op_reg_reg(op,opsize,
|
|
pfrom^.location.register,pto^.location.register)));
|
|
end;
|
|
LOC_FLAGS : begin
|
|
emit_flag2reg(pfrom^.location.resflags,pto^.location.register);
|
|
end;
|
|
LOC_JUMP : begin
|
|
getlabel(hlabel);
|
|
emitlab(truelabel);
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_MOV,newsize,1,pto^.location.register)));
|
|
emitjmp(C_None,hlabel);
|
|
emitlab(falselabel);
|
|
exprasmlist^.concat(new(pai386,op_reg_reg(A_XOR,newsize,pto^.location.register,
|
|
pto^.location.register)));
|
|
emitlab(hlabel);
|
|
end;
|
|
else
|
|
internalerror(10061);
|
|
end;
|
|
freelabel(truelabel);
|
|
freelabel(falselabel);
|
|
truelabel:=oldtruelabel;
|
|
falselabel:=oldfalselabel;
|
|
end;
|
|
|
|
|
|
procedure second_int_to_bool(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
hregister : tregister;
|
|
flags : tresflags;
|
|
opsize : topsize;
|
|
begin
|
|
clear_location(pto^.location);
|
|
{ byte(boolean) or word(wordbool) or longint(longbool) must
|
|
be accepted for var parameters }
|
|
if (pto^.explizit) and
|
|
(pfrom^.resulttype^.size=pto^.resulttype^.size) and
|
|
(pfrom^.location.loc in [LOC_REFERENCE,LOC_MEM,LOC_CREGISTER]) then
|
|
begin
|
|
set_location(pto^.location,pfrom^.location);
|
|
exit;
|
|
end;
|
|
pto^.location.loc:=LOC_REGISTER;
|
|
del_reference(pfrom^.location.reference);
|
|
opsize:=def_opsize(pfrom^.resulttype);
|
|
case pfrom^.location.loc of
|
|
LOC_MEM,LOC_REFERENCE :
|
|
begin
|
|
hregister:=def_getreg(pfrom^.resulttype);
|
|
exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,opsize,
|
|
newreference(pfrom^.location.reference),hregister)));
|
|
exprasmlist^.concat(new(pai386,op_reg_reg(A_OR,opsize,hregister,hregister)));
|
|
flags:=F_NE;
|
|
end;
|
|
LOC_FLAGS :
|
|
begin
|
|
hregister:=getregister32;
|
|
flags:=pfrom^.location.resflags;
|
|
end;
|
|
LOC_REGISTER,LOC_CREGISTER :
|
|
begin
|
|
hregister:=pfrom^.location.register;
|
|
exprasmlist^.concat(new(pai386,op_reg_reg(A_OR,opsize,hregister,hregister)));
|
|
flags:=F_NE;
|
|
end;
|
|
else
|
|
internalerror(10062);
|
|
end;
|
|
case pto^.resulttype^.size of
|
|
1 : pto^.location.register:=makereg8(hregister);
|
|
2 : pto^.location.register:=makereg16(hregister);
|
|
4 : pto^.location.register:=makereg32(hregister);
|
|
else
|
|
internalerror(10064);
|
|
end;
|
|
emit_flag2reg(flags,pto^.location.register);
|
|
end;
|
|
|
|
|
|
procedure second_load_smallset(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
href : treference;
|
|
pushedregs : tpushed;
|
|
begin
|
|
href.symbol:=nil;
|
|
pushusedregisters(pushedregs,$ff);
|
|
gettempofsizereference(32,href);
|
|
emitpushreferenceaddr(pfrom^.location.reference);
|
|
emitpushreferenceaddr(href);
|
|
emitcall('FPC_SET_LOAD_SMALL');
|
|
maybe_loadesi;
|
|
popusedregisters(pushedregs);
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_MEM;
|
|
pto^.location.reference:=href;
|
|
end;
|
|
|
|
|
|
procedure second_ansistring_to_pchar(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
l1,l2 : pasmlabel;
|
|
hr : preference;
|
|
begin
|
|
clear_location(pto^.location);
|
|
pto^.location.loc:=LOC_REGISTER;
|
|
getlabel(l1);
|
|
getlabel(l2);
|
|
case pfrom^.location.loc of
|
|
LOC_CREGISTER,LOC_REGISTER:
|
|
exprasmlist^.concat(new(pai386,op_const_reg(A_CMP,S_L,0,
|
|
pfrom^.location.register)));
|
|
LOC_MEM,LOC_REFERENCE:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_const_ref(A_CMP,S_L,0,
|
|
newreference(pfrom^.location.reference))));
|
|
del_reference(pfrom^.location.reference);
|
|
pto^.location.register:=getregister32;
|
|
end;
|
|
end;
|
|
emitjmp(C_Z,l1);
|
|
if pfrom^.location.loc in [LOC_MEM,LOC_REFERENCE] then
|
|
exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,S_L,newreference(
|
|
pfrom^.location.reference),
|
|
pto^.location.register)));
|
|
emitjmp(C_None,l2);
|
|
emitlab(l1);
|
|
new(hr);
|
|
reset_reference(hr^);
|
|
hr^.symbol:=newasmsymbol('FPC_EMPTYCHAR');
|
|
exprasmlist^.concat(new(pai386,op_ref_reg(A_LEA,S_L,hr,
|
|
pto^.location.register)));
|
|
emitlab(l2);
|
|
end;
|
|
|
|
|
|
procedure second_pchar_to_string(pto,pfrom : ptree;convtyp : tconverttype);
|
|
var
|
|
pushed : tpushed;
|
|
begin
|
|
case pstringdef(pto^.resulttype)^.string_typ of
|
|
st_shortstring:
|
|
begin
|
|
pto^.location.loc:=LOC_REFERENCE;
|
|
gettempofsizereference(pto^.resulttype^.size,pto^.location.reference);
|
|
pushusedregisters(pushed,$ff);
|
|
case pfrom^.location.loc of
|
|
LOC_REGISTER,LOC_CREGISTER:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,pfrom^.location.register)));
|
|
ungetregister32(pfrom^.location.register);
|
|
end;
|
|
LOC_REFERENCE,LOC_MEM:
|
|
begin
|
|
emit_push_mem(pfrom^.location.reference);
|
|
del_reference(pfrom^.location.reference);
|
|
end;
|
|
end;
|
|
emitpushreferenceaddr(pto^.location.reference);
|
|
emitcall('FPC_PCHAR_TO_SHORTSTR');
|
|
maybe_loadesi;
|
|
popusedregisters(pushed);
|
|
end;
|
|
st_ansistring:
|
|
begin
|
|
pto^.location.loc:=LOC_REFERENCE;
|
|
if gettempansistringreference(pto^.location.reference) then
|
|
decrstringref(cansistringdef,pto^.location.reference);
|
|
case pfrom^.location.loc of
|
|
LOC_REFERENCE,LOC_MEM:
|
|
begin
|
|
{$IfNDef regallocfix}
|
|
del_reference(pfrom^.location.reference);
|
|
pushusedregisters(pushed,$ff);
|
|
emit_push_mem(pfrom^.location.reference);
|
|
{$Else regallocfix}
|
|
pushusedregisters(pushed,$ff
|
|
xor ($80 shr byte(pfrom^.location.reference.base))
|
|
xor ($80 shr byte(pfrom^.location.reference.index)));
|
|
emit_push_mem(pfrom^.location.reference);
|
|
del_reference(pfrom^.location.reference);
|
|
{$EndIf regallocfix}
|
|
end;
|
|
LOC_REGISTER,LOC_CREGISTER:
|
|
begin
|
|
{$IfNDef regallocfix}
|
|
ungetregister32(pfrom^.location.register);
|
|
pushusedregisters(pushed,$ff);
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,pfrom^.location.register)));
|
|
{$Else regallocfix}
|
|
pushusedregisters(pushed, $ff xor ($80 shr byte(pfrom^.location.register)));
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,pfrom^.location.register)));
|
|
ungetregister32(pfrom^.location.register);
|
|
{$EndIf regallocfix}
|
|
end;
|
|
end;
|
|
emitpushreferenceaddr(pto^.location.reference);
|
|
emitcall('FPC_PCHAR_TO_ANSISTR');
|
|
maybe_loadesi;
|
|
popusedregisters(pushed);
|
|
end;
|
|
else
|
|
begin
|
|
internalerror(12121);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure second_nothing(pto,pfrom : ptree;convtyp : tconverttype);
|
|
begin
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
SecondTypeConv
|
|
****************************************************************************}
|
|
|
|
procedure secondtypeconv(var p : ptree);
|
|
const
|
|
secondconvert : array[tconverttype] of tsecondconvproc = (
|
|
second_nothing, {equal}
|
|
second_nothing, {not_possible}
|
|
second_string_to_string,
|
|
second_char_to_string,
|
|
second_pchar_to_string,
|
|
second_nothing, {cchar_to_pchar}
|
|
second_cstring_to_pchar,
|
|
second_ansistring_to_pchar,
|
|
second_string_to_chararray,
|
|
second_chararray_to_string,
|
|
second_array_to_pointer,
|
|
second_pointer_to_array,
|
|
second_int_to_int,
|
|
second_int_to_bool,
|
|
second_bool_to_int, { bool_to_bool }
|
|
second_bool_to_int,
|
|
second_real_to_real,
|
|
second_int_to_real,
|
|
second_int_to_fix,
|
|
second_real_to_fix,
|
|
second_fix_to_real,
|
|
second_proc_to_procvar,
|
|
second_nothing, {arrayconstructor_to_set}
|
|
second_load_smallset
|
|
);
|
|
{$ifdef TESTOBJEXT2}
|
|
var
|
|
r : preference;
|
|
nillabel : plabel;
|
|
{$endif TESTOBJEXT2}
|
|
begin
|
|
|
|
{ this isn't good coding, I think tc_bool_2_int, shouldn't be }
|
|
{ type conversion (FK) }
|
|
|
|
if not(p^.convtyp in [tc_bool_2_int,tc_bool_2_bool]) then
|
|
begin
|
|
secondpass(p^.left);
|
|
set_location(p^.location,p^.left^.location);
|
|
if codegenerror then
|
|
exit;
|
|
end;
|
|
{ the second argument only is for maybe_range_checking !}
|
|
secondconvert[p^.convtyp](p,p^.left,p^.convtyp);
|
|
|
|
{$ifdef TESTOBJEXT2}
|
|
{ Check explicit conversions to objects pointers !! }
|
|
if p^.explizit and
|
|
(p^.resulttype^.deftype=pointerdef) and
|
|
(ppointerdef(p^.resulttype)^.definition^.deftype=objectdef) and not
|
|
(pobjectdef(ppointerdef(p^.resulttype)^.definition)^.isclass) and
|
|
((pobjectdef(ppointerdef(p^.resulttype)^.definition)^.options and oo_hasvmt)<>0) and
|
|
(cs_check_range in aktlocalswitches) then
|
|
begin
|
|
new(r);
|
|
reset_reference(r^);
|
|
if p^.location.loc in [LOC_REGISTER,LOC_CREGISTER] then
|
|
r^.base:=p^.location.register
|
|
else
|
|
begin
|
|
emit_mov_loc_reg(p^.location,R_EDI);
|
|
r^.base:=R_EDI;
|
|
end;
|
|
{ NIL must be accepted !! }
|
|
exprasmlist^.concat(new(pai386,op_reg_reg(A_OR,S_L,r^.base,r^.base)));
|
|
getlabel(nillabel);
|
|
emitjmp(C_E,nillabel);
|
|
{ this is one point where we need vmt_offset (PM) }
|
|
r^.offset:= pobjectdef(ppointerdef(p^.resulttype)^.definition)^.vmt_offset;
|
|
exprasmlist^.concat(new(pai386,op_ref_reg(A_MOV,S_L,r,R_EDI)));
|
|
exprasmlist^.concat(new(pai386,op_sym(A_PUSH,S_L,
|
|
newasmsymbol(pobjectdef(ppointerdef(p^.resulttype)^.definition)^.vmt_mangledname))));
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,S_L,R_EDI)));
|
|
emitcall('FPC_CHECK_OBJECT_EXT');
|
|
emitlab(nillabel);
|
|
end;
|
|
{$endif TESTOBJEXT2}
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
SecondIs
|
|
*****************************************************************************}
|
|
|
|
procedure secondis(var p : ptree);
|
|
var
|
|
pushed : tpushed;
|
|
|
|
begin
|
|
{ save all used registers }
|
|
pushusedregisters(pushed,$ff);
|
|
secondpass(p^.left);
|
|
clear_location(p^.location);
|
|
p^.location.loc:=LOC_FLAGS;
|
|
p^.location.resflags:=F_NE;
|
|
|
|
{ push instance to check: }
|
|
case p^.left^.location.loc of
|
|
LOC_REGISTER,LOC_CREGISTER:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,
|
|
S_L,p^.left^.location.register)));
|
|
ungetregister32(p^.left^.location.register);
|
|
end;
|
|
LOC_MEM,LOC_REFERENCE:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_ref(A_PUSH,
|
|
S_L,newreference(p^.left^.location.reference))));
|
|
del_reference(p^.left^.location.reference);
|
|
end;
|
|
else internalerror(100);
|
|
end;
|
|
|
|
{ generate type checking }
|
|
secondpass(p^.right);
|
|
case p^.right^.location.loc of
|
|
LOC_REGISTER,LOC_CREGISTER:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,
|
|
S_L,p^.right^.location.register)));
|
|
ungetregister32(p^.right^.location.register);
|
|
end;
|
|
LOC_MEM,LOC_REFERENCE:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_ref(A_PUSH,
|
|
S_L,newreference(p^.right^.location.reference))));
|
|
del_reference(p^.right^.location.reference);
|
|
end;
|
|
else internalerror(100);
|
|
end;
|
|
emitcall('FPC_DO_IS');
|
|
exprasmlist^.concat(new(pai386,op_reg_reg(A_OR,S_B,R_AL,R_AL)));
|
|
popusedregisters(pushed);
|
|
maybe_loadesi;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
SecondAs
|
|
*****************************************************************************}
|
|
|
|
procedure secondas(var p : ptree);
|
|
var
|
|
pushed : tpushed;
|
|
begin
|
|
secondpass(p^.left);
|
|
{ save all used registers }
|
|
pushusedregisters(pushed,$ff);
|
|
|
|
{ push instance to check: }
|
|
case p^.left^.location.loc of
|
|
LOC_REGISTER,LOC_CREGISTER:
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,
|
|
S_L,p^.left^.location.register)));
|
|
LOC_MEM,LOC_REFERENCE:
|
|
exprasmlist^.concat(new(pai386,op_ref(A_PUSH,
|
|
S_L,newreference(p^.left^.location.reference))));
|
|
else internalerror(100);
|
|
end;
|
|
|
|
{ we doesn't modifiy the left side, we check only the type }
|
|
set_location(p^.location,p^.left^.location);
|
|
|
|
{ generate type checking }
|
|
secondpass(p^.right);
|
|
case p^.right^.location.loc of
|
|
LOC_REGISTER,LOC_CREGISTER:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_reg(A_PUSH,
|
|
S_L,p^.right^.location.register)));
|
|
ungetregister32(p^.right^.location.register);
|
|
end;
|
|
LOC_MEM,LOC_REFERENCE:
|
|
begin
|
|
exprasmlist^.concat(new(pai386,op_ref(A_PUSH,
|
|
S_L,newreference(p^.right^.location.reference))));
|
|
del_reference(p^.right^.location.reference);
|
|
end;
|
|
else internalerror(100);
|
|
end;
|
|
emitcall('FPC_DO_AS');
|
|
{ restore register, this restores automatically the }
|
|
{ result }
|
|
popusedregisters(pushed);
|
|
end;
|
|
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.75 1999-05-31 20:35:46 peter
|
|
* ansistring fixes, decr_ansistr called after all temp ansi reuses
|
|
|
|
Revision 1.74 1999/05/27 19:44:09 peter
|
|
* removed oldasm
|
|
* plabel -> pasmlabel
|
|
* -a switches to source writing automaticly
|
|
* assembler readers OOPed
|
|
* asmsymbol automaticly external
|
|
* jumptables and other label fixes for asm readers
|
|
|
|
Revision 1.73 1999/05/18 21:58:26 florian
|
|
* fixed some bugs related to temp. ansistrings and functions results
|
|
which return records/objects/arrays which need init/final.
|
|
|
|
Revision 1.72 1999/05/17 21:57:00 florian
|
|
* new temporary ansistring handling
|
|
|
|
Revision 1.71 1999/05/12 00:19:40 peter
|
|
* removed R_DEFAULT_SEG
|
|
* uniform float names
|
|
|
|
Revision 1.70 1999/05/07 00:33:47 pierre
|
|
explicit type conv to pobject checked with cond TESTOBJEXT2
|
|
|
|
Revision 1.69 1999/05/01 13:24:04 peter
|
|
* merged nasm compiler
|
|
* old asm moved to oldasm/
|
|
|
|
Revision 1.68 1999/04/28 06:01:54 florian
|
|
* changes of Bruessel:
|
|
+ message handler can now take an explicit self
|
|
* typinfo fixed: sometimes the type names weren't written
|
|
* the type checking for pointer comparisations and subtraction
|
|
and are now more strict (was also buggy)
|
|
* small bug fix to link.pas to support compiling on another
|
|
drive
|
|
* probable bug in popt386 fixed: call/jmp => push/jmp
|
|
transformation didn't count correctly the jmp references
|
|
+ threadvar support
|
|
* warning if ln/sqrt gets an invalid constant argument
|
|
|
|
Revision 1.67 1999/04/22 10:49:07 peter
|
|
* fixed pchar to string location
|
|
|
|
Revision 1.66 1999/04/20 10:35:58 peter
|
|
* fixed bool2bool
|
|
|
|
Revision 1.65 1999/04/19 09:45:47 pierre
|
|
+ cdecl or stdcall push all args with longint size
|
|
* tempansi stuff cleaned up
|
|
|
|
Revision 1.64 1999/04/16 13:42:25 jonas
|
|
* more regalloc fixes (still not complete)
|
|
|
|
Revision 1.63 1999/04/15 08:56:25 peter
|
|
* fixed bool-bool conversion
|
|
|
|
Revision 1.62 1999/04/13 18:51:47 florian
|
|
* esi wasn't reloaded after a call to the esi helper procedure, fixed
|
|
|
|
Revision 1.61 1999/03/05 16:14:20 peter
|
|
* fixed boolean() typecast
|
|
|
|
Revision 1.60 1999/03/02 18:24:19 peter
|
|
* fixed overloading of array of char
|
|
|
|
Revision 1.59 1999/03/01 15:46:18 peter
|
|
* ag386bin finally make cycles correct
|
|
* prefixes are now also normal opcodes
|
|
|
|
Revision 1.58 1999/02/25 21:02:23 peter
|
|
* ag386bin updates
|
|
+ coff writer
|
|
|
|
Revision 1.57 1999/02/22 02:15:06 peter
|
|
* updates for ag386bin
|
|
|
|
Revision 1.56 1999/02/15 11:30:39 pierre
|
|
* memory leaks removed
|
|
|
|
Revision 1.55 1999/02/12 10:43:57 florian
|
|
* internal error 10 with ansistrings fixed
|
|
|
|
Revision 1.54 1999/02/02 12:35:02 florian
|
|
* ltemptoremove handling corrected
|
|
|
|
Revision 1.53 1999/02/02 11:47:55 peter
|
|
* fixed ansi2short
|
|
|
|
Revision 1.52 1999/01/29 11:22:13 pierre
|
|
* saving and restoring old ltemptoremove
|
|
|
|
Revision 1.51 1999/01/28 19:50:15 peter
|
|
* removed warning
|
|
|
|
Revision 1.50 1999/01/28 14:06:45 florian
|
|
* small fix for method pointers
|
|
* found the annoying strpas bug, mainly nested call to type cast which
|
|
use ansistrings crash
|
|
|
|
Revision 1.49 1999/01/27 14:56:56 pierre
|
|
* typo error corrected solves bug0190 and bug0204
|
|
|
|
Revision 1.48 1999/01/27 13:03:27 pierre
|
|
boolean to int conversion problems bug0205 bug0208
|
|
|
|
Revision 1.47 1999/01/27 12:59:32 pierre
|
|
wrong commit info : tccnv.pas
|
|
|
|
Revision 1.46 1999/01/27 00:13:53 florian
|
|
* "procedure of object"-stuff fixed
|
|
|
|
Revision 1.45 1999/01/21 22:10:36 peter
|
|
* fixed array of const
|
|
* generic platform independent high() support
|
|
|
|
Revision 1.44 1999/01/19 10:18:59 florian
|
|
* bug with mul. of dwords fixed, reported by Alexander Stohr
|
|
* some changes to compile with TP
|
|
+ small enhancements for the new code generator
|
|
|
|
Revision 1.43 1998/12/22 13:10:59 florian
|
|
* memory leaks for ansistring type casts fixed
|
|
|
|
Revision 1.42 1998/12/19 00:23:42 florian
|
|
* ansistring memory leaks fixed
|
|
|
|
Revision 1.41 1998/11/30 19:48:54 peter
|
|
* some more rangecheck fixes
|
|
|
|
Revision 1.40 1998/11/30 09:43:02 pierre
|
|
* some range check bugs fixed (still not working !)
|
|
+ added DLL writing support for win32 (also accepts variables)
|
|
+ TempAnsi for code that could be used for Temporary ansi strings
|
|
handling
|
|
|
|
Revision 1.39 1998/11/29 22:37:30 peter
|
|
* fixed constant ansistring -> pchar
|
|
|
|
Revision 1.38 1998/11/29 12:40:19 peter
|
|
* newcnv -> not oldcnv
|
|
|
|
Revision 1.37 1998/11/26 21:33:06 peter
|
|
* rangecheck updates
|
|
|
|
Revision 1.36 1998/11/26 14:39:11 peter
|
|
* ansistring -> pchar fixed
|
|
* ansistring constants fixed
|
|
* ansistring constants are now written once
|
|
|
|
Revision 1.35 1998/11/26 13:10:39 peter
|
|
* new int - int conversion -dNEWCNV
|
|
* some function renamings
|
|
|
|
Revision 1.34 1998/11/18 15:44:08 peter
|
|
* VALUEPARA for tp7 compatible value parameters
|
|
|
|
Revision 1.33 1998/11/17 00:36:39 peter
|
|
* more ansistring fixes
|
|
|
|
Revision 1.32 1998/11/16 15:35:38 peter
|
|
* rename laod/copystring -> load/copyshortstring
|
|
* fixed int-bool cnv bug
|
|
+ char-ansistring conversion
|
|
|
|
Revision 1.31 1998/11/05 12:02:30 peter
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* released useansistring
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* removed -Sv, its now available in fpc modes
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Revision 1.30 1998/10/27 11:12:45 peter
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* fixed char_to_string which did not set the .loc
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Revision 1.29 1998/10/26 15:18:41 peter
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* fixed fldcw,fstcw for as 2.9.1
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Revision 1.28 1998/10/08 17:17:11 pierre
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* current_module old scanner tagged as invalid if unit is recompiled
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+ added ppheap for better info on tracegetmem of heaptrc
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(adds line column and file index)
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* several memory leaks removed ith help of heaptrc !!
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Revision 1.27 1998/10/06 17:16:40 pierre
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* some memory leaks fixed (thanks to Peter for heaptrc !)
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Revision 1.26 1998/10/02 07:20:35 florian
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* range checking in units doesn't work if the units are smartlinked, fixed
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Revision 1.25 1998/09/30 12:14:24 peter
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* fixed boolean(longbool) conversion
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Revision 1.24 1998/09/27 10:16:22 florian
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* type casts pchar<->ansistring fixed
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* ansistring[..] calls does now an unique call
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Revision 1.23 1998/09/23 12:03:51 peter
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* overloading fix for array of const
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Revision 1.22 1998/09/22 15:34:09 peter
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+ pchar -> string conversion
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Revision 1.21 1998/09/20 17:46:47 florian
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* some things regarding ansistrings fixed
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Revision 1.20 1998/09/17 09:42:12 peter
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+ pass_2 for cg386
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* Message() -> CGMessage() for pass_1/pass_2
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Revision 1.19 1998/09/14 10:43:46 peter
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* all internal RTL functions start with FPC_
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Revision 1.18 1998/09/11 12:29:40 pierre
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* removed explicit range_checking as it is buggy
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Revision 1.17.2.1 1998/09/11 12:08:54 pierre
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* removed explicit range_check was buggy
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Revision 1.17 1998/09/04 08:41:38 peter
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* updated some error CGMessages
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Revision 1.16 1998/09/03 17:39:03 florian
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+ better code for type conversation longint/dword to real type
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Revision 1.15 1998/09/03 16:24:50 florian
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* bug of type conversation from dword to real fixed
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* bug fix of Jonas applied
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Revision 1.14 1998/08/28 12:51:39 florian
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+ ansistring to pchar type cast fixed
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Revision 1.13 1998/08/28 10:56:56 peter
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* removed warnings
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Revision 1.12 1998/08/14 18:18:38 peter
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+ dynamic set contruction
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* smallsets are now working (always longint size)
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Revision 1.11 1998/08/10 23:59:59 peter
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* fixed dup log
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Revision 1.10 1998/08/10 14:49:47 peter
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+ localswitches, moduleswitches, globalswitches splitting
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Revision 1.9 1998/08/05 16:00:09 florian
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* some fixes for ansi strings
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Revision 1.8 1998/07/18 22:54:24 florian
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* some ansi/wide/longstring support fixed:
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o parameter passing
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o returning as result from functions
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Revision 1.7 1998/06/12 13:10:34 peter
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* small internalerror nr change
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Revision 1.6 1998/06/12 10:43:12 michael
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Fixed ansistrings : is_ansistring not found
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Revision 1.5 1998/06/08 13:13:30 pierre
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+ temporary variables now in temp_gen.pas unit
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because it is processor independent
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* mppc68k.bat modified to undefine i386 and support_mmx
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(which are defaults for i386)
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Revision 1.4 1998/06/05 17:44:10 peter
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* splitted cgi386
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Revision 1.3 1998/06/03 22:48:50 peter
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+ wordbool,longbool
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* rename bis,von -> high,low
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* moved some systemunit loading/creating to psystem.pas
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Revision 1.2 1998/06/02 10:52:10 peter
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* fixed second_bool_to_int with bool8bit return
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Revision 1.1 1998/06/01 16:50:18 peter
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+ boolean -> ord conversion
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* fixed ord -> boolean conversion
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}
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