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+ implemented correct [] indexing of huge pointers

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git-svn-id: trunk@28330 -
This commit is contained in:
nickysn 2014-08-07 09:11:21 +00:00
parent dfcbe03572
commit 3164bf66f5
1 changed files with 46 additions and 4 deletions
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50
compiler/i8086/n8086mem.pas
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@ -43,21 +43,23 @@ interface
{ tx86vecnode doesn't work for i8086, so we inherit tcgvecnode }
ti8086vecnode = class(tcgvecnode)
protected
function first_arraydef: tnode;override;
procedure update_reference_reg_mul(maybe_const_reg:tregister;l:aint);override;
end;
implementation
uses
systems,globals,
systems,globals,constexp,
cutils,verbose,
symbase,symconst,symdef,symtable,symtype,symsym,symcpu,
symbase,symconst,symdef,symtable,symtype,symsym,symx86,symcpu,
parabase,paramgr,
aasmtai,aasmdata,
nld,ncon,nadd,
nld,ncon,nadd,ncal,ncnv,
cgutils,cgobj,
defutil,hlcgobj,
pass_2,ncgutil;
pass_1,pass_2,ncgutil;
{*****************************************************************************
TI8086ADDRNODE
@ -170,6 +172,46 @@ implementation
TI8086VECNODE
*****************************************************************************}
function ti8086vecnode.first_arraydef: tnode;
var
arraydef: tcpuarraydef;
procname:string;
begin
if tcpuarraydef(left.resultdef).is_huge then
begin
arraydef:=tcpuarraydef(left.resultdef);
if not (ado_IsConvertedPointer in arraydef.arrayoptions) then
internalerror(2014080701);
if left.nodetype<>typeconvn then
internalerror(2014080702);
procname:='fpc_hugeptr_add_longint';
if cs_hugeptr_arithmetic_normalization in current_settings.localswitches then
procname:=procname+'_normalized';
if arraydef.elementdef.size>1 then
right:=caddnode.create(muln,right,
cordconstnode.create(arraydef.elementdef.size,s32inttype,true));
result:=ccallnode.createintern(procname,
ccallparanode.create(right,
ccallparanode.create(ttypeconvnode(left).left,nil)));
inserttypeconv_internal(result,getx86pointerdef(arraydef.elementdef,x86pt_huge));
result:=cderefnode.create(result);
ttypeconvnode(left).left:=nil;
ttypeconvnode(left).free;
left := nil;
right := nil;
firstpass(result);
end
else
result:=inherited;
end;
procedure ti8086vecnode.update_reference_reg_mul(maybe_const_reg:tregister;l:aint);
var
saveseg: TRegister;