[fpc-pascal]Var parameter passing to asm procedure

[Tomas Hajny]

On Fri, 6 Aug 2004 11:18:01 +0200 (CEST), Marco van de Voort wrote
> > Ok, then this can be this way:
> > 
> > procedure increment(var x: dword); assembler;
> > asm
> >     mov eax, x
> >     inc [eax]
> > end;
> > 
> > Is this correct? If the compiler uses registers, the first line is  
> > translated to a 'mov eax, eax', otherwise it is something like 'mov eax,  
> > [esp-4]'.
> 
> Afaik, it is correct, unless there is something with inc [eax] (e.g. 
> not working on older ones)

Almost OK - you need to specify the operand size explicitely ("inc dword ptr
[eax]" in Intel syntax, or "incl (%eax)" in AT&T syntax).

Tomas