Re: [OpenBIOS] [PATCH 10/10] Adding filll Forth primitive (v2)

[Segher Boessenkool]

> +static void
> +filll(void)
> +{
> uint32_t value = POP();
> int count = POP();
> uint32_t *dest = (uint32_t*)cell2pointer(POP());
> int i;
> for (i = count; i > 0; i -= sizeof(uint32_t)) {
>    *dest++ = value;
> }
>
> +}

This isn't going to work with -fstrict-aliasing, but I guess
openbios has that disabled anyway?

Segher

[PATCH 10/10] Adding filll Forth primitive (v2)

[William Hahne]

On Mon, Aug 22, 2011 at 7:19 AM, Segher Boessenkool
 wrote:
> This isn't going to work with -fstrict-aliasing, but I guess
> openbios has that disabled anyway?

I don't think it breaks strict aliasing rules. A cell is defined as a
32bit integer on 32bit architectures and this code will only be
compiled on ppc32. I just wrote it as a uint32_t for clarity.

William Hahne
> Segher