egcs-2.91.66 PPC register bug

[Richard Henderson]

On Thu, Jun 24, 1999 at 01:08:52PM +0100, Ralph Schmidt wrote:
>  Though a register content is defined as unsigned and a target variable
> is also marked unsigned it creates a signed value.
[...]
> struct  Fubar
> {
>         signed char     A;
> };

But Fubar::A is signed, and there are specific rules for converting
between signed and unsigned, as in the assignment

> unsigned int    A;
>   A     =(unsigned int) (((struct Fubar*)REG_PTR)->A);

The compiler is doing the right thing.  You probably wanted

>   A     =(unsigned char) (((struct Fubar*)REG_PTR)->A);


r~