{ %CPU=i8086,i386,x86_64 } { %fail } { Tests the 'Cannot override ES segment' error message } {$asmmode intel} begin asm {$if defined(cpui8086)} movs byte ptr ds:[di], byte ptr [si] {$elseif defined(cpui386)} movs byte ptr ds:[edi], byte ptr [esi] {$elseif defined(cpux86_64)} movs byte ptr fs:[rdi], byte ptr [rsi] {$endif} end; end.