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* 16-bit ALU fixes in tmoddivnode.pass_typecheck

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git-svn-id: branches/i8086@23878 -
This commit is contained in:
nickysn 2013-03-16 22:50:09 +00:00
parent 0af13920c1
commit 1dbca4c403
1 changed files with 41 additions and 2 deletions
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43
compiler/nmat.pas
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@ -242,7 +242,7 @@ implementation
{ Additionally, do the same for cardinal/qwords and other positive types, but }
{ always in a way that a smaller type is converted to a bigger type }
{ (webtbs/tw8870) }
if (rd.ordtype in [u32bit,u64bit]) and
if (rd.ordtype in [u16bit,u32bit,u64bit]) and
((is_constintnode(left) and
(tordconstnode(left).value >= 0)) or
(not is_signed(ld) and
@ -251,7 +251,7 @@ implementation
inserttypeconv(left,right.resultdef);
ld:=torddef(left.resultdef);
end;
if (ld.ordtype in [u32bit,u64bit]) and
if (ld.ordtype in [u16bit,u32bit,u64bit]) and
((is_constintnode(right) and
(tordconstnode(right).value >= 0)) or
(not is_signed(rd) and
@ -311,6 +311,45 @@ implementation
end
else
{$endif not cpu64bitaddr}
{$if defined(cpu16bitalu) or defined(cpu8bitalu)}
{ when there is one 32bit value, everything is done
in 32bit }
if (is_32bitint(left.resultdef) or
is_32bitint(right.resultdef)) then
begin
if is_signed(rd) or is_signed(ld) then
begin
if (ld.ordtype<>s32bit) then
inserttypeconv(left,s32inttype);
if (rd.ordtype<>s32bit) then
inserttypeconv(right,s32inttype);
end
else
begin
if (ld.ordtype<>u32bit) then
inserttypeconv(left,u32inttype);
if (rd.ordtype<>u32bit) then
inserttypeconv(right,u32inttype);
end;
resultdef:=left.resultdef;
end
else
{ when mixing cardinals and signed numbers, convert everythign to 64bit (JM) }
if ((rd.ordtype = u16bit) and
is_signed(ld)) or
((ld.ordtype = u16bit) and
is_signed(rd)) then
begin
// TODO: 16->32 bit version of this message
// CGMessage(type_h_mixed_signed_unsigned);
if (ld.ordtype<>s32bit) then
inserttypeconv(left,s32inttype);
if (rd.ordtype<>s32bit) then
inserttypeconv(right,s32inttype);
resultdef:=left.resultdef;
end
else
{$endif cpu16bitalu or cpu8bitalu}
begin
{ Make everything always default singed int }
if not(rd.ordtype in [torddef(sinttype).ordtype,torddef(uinttype).ordtype]) then