[EMAIL PROTECTED] writes:
> While prototyping a port of gcc I think that the RTX is lacking some
> information needed to generate machine dependent files. The expression
> trees have the correct information and I can likely hack in a quick fix to
> pass that information down to the backend. However, I just want to make
> sure I am not doing something completely wrong.
>
> Basically given the following code,
>
> void main(T x)
> {
> T * pt; //pointer to type T
> *pt = x
> }
>
> now I need the RTX to know about type T (specifically its qualifiers as I
> am doing this for the named address space branch), I changed the backend to
> encode these into the RTX generated by the VAR_DECL and PARM_DECL nodes,
> however, I am not sure if it is suppose to be encoded in the INDIRECT_REF
> node as pt is theoretically a pointer to T.
>
> I just quickly hacked this information into expand_expr_real_1 in expr.c,
> however this may be the incorrect approach, is there any specific location
> where I should be modifying RTX attributes and when expand_expr_real_1 is
> done should the RTX returned have all the attributes (that can be deduced
> from the expression tree) set?
At first glance this sounds like something that should be stored in
mem_attrs.
Ian
