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* Added the thlcgobj.a_load_undefined_cgpara() method to pass an undefined value as a parameter to a routine. The generic version passes the 0/nil value if the parameter's location is not a register.

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* Use a_load_undefined_cgpara() to load values for unused parameters.

git-svn-id: trunk@45439 -
This commit is contained in:
yury 2020-05-19 14:14:16 +00:00
parent 30e61067a0
commit 9d1c814387
2 changed files with 13 additions and 2 deletions
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11
compiler/hlcgobj.pas
View File

@ -197,6 +197,11 @@ unit hlcgobj;
@param(r reference to get address from)
}
procedure a_loadaddr_ref_cgpara(list : TAsmList;fromsize : tdef;const r : treference;const cgpara : TCGPara);virtual;
{# Pass an undefined value as a parameter to a routine.
A generic version is provided and passes the 0/nil value
if the parameter's location is not a register.
}
procedure a_load_undefined_cgpara(list : TAsmList;size : tdef;const cgpara : TCGPara);virtual;
{ Remarks:
* If a method specifies a size you have only to take care
@ -1125,6 +1130,12 @@ implementation
end;
end;
procedure thlcgobj.a_load_undefined_cgpara(list: TAsmList; size: tdef; const cgpara: TCGPara);
begin
if not (cgpara.Location^.Loc in [LOC_REGISTER,LOC_CREGISTER]) then
a_load_const_cgpara(list,size,0,cgpara);
end;
function thlcgobj.a_call_name_static(list: TAsmList; pd: tprocdef; const s: TSymStr; const paras: array of pcgpara; forceresdef: tdef): tcgpara;
begin
result:=a_call_name(list,pd,s,paras,forceresdef,false);

4
compiler/ncgcal.pas
View File

@ -314,8 +314,8 @@ implementation
tempcgpara.Location^.Loc:=LOC_VOID;
end
else
{ Load the dummy nil/0 value }
hlcg.a_load_const_cgpara(current_asmdata.CurrAsmList,left.resultdef,0,tempcgpara);
{ Load an undefined dummy value }
hlcg.a_load_undefined_cgpara(current_asmdata.CurrAsmList,left.resultdef,tempcgpara);
end;