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Also check for the type of the register when replacing it. In certain circumstances this can still lead to access to invalid memory resulting either in an access violation or invalid registers.

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git-svn-id: trunk@22779 -
This commit is contained in:
svenbarth 2012-10-19 19:35:45 +00:00
parent ee62a1ed50
commit d15304c25e
1 changed files with 6 additions and 3 deletions
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9
compiler/rgobj.pas
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@ -2259,9 +2259,12 @@ unit rgobj;
begin
if regtype in [R_INTREGISTER,R_ADDRESSREGISTER] then
begin
{ no need to check for the register type here }
tryreplacereg(ref^.base);
tryreplacereg(ref^.index);
if (ref^.base <> NR_NO) and
(getregtype(ref^.base)=regtype) then
tryreplacereg(ref^.base);
if (ref^.index <> NR_NO) and
(getregtype(ref^.index)=regtype) then
tryreplacereg(ref^.index);
end;
end;
{$ifdef ARM}