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* unsigned-unsinged gives signed

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git-svn-id: trunk@496 -
This commit is contained in:
peter 2005-06-25 20:57:19 +00:00
parent bc15fe13b3
commit 297f33b6c9
1 changed files with 7 additions and 4 deletions
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11
compiler/nadd.pas
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@ -1009,7 +1009,7 @@ implementation
else
begin
{ if the left or right value is smaller than the normal
type s32inttype and is unsigned, and the other value
type sinttype and is unsigned, and the other value
is a constant < 0, the result will always be false/true
for equal / unequal nodes.
}
@ -1041,9 +1041,12 @@ implementation
CGMessage(type_w_signed_unsigned_always_false);
end;
{ When there is a signed type we convert to signed int.
Otherwise (both are unsigned) we keep the result also unsigned }
if (is_signed(ld) or is_signed(rd)) then
{ When there is a signed type or there is a minus operation
we convert to signed int. Otherwise (both are unsigned) we keep
the result also unsigned. This is compatible with Delphi (PFV) }
if is_signed(ld) or
is_signed(rd) or
(nodetype=subn) then
begin
inserttypeconv(right,sinttype);
inserttypeconv(left,sinttype);