Re: results: Remove 8 bytes from struct page on 64bit archs

[Richard Henderson]

On Mon, Jan 07, 2002 at 12:25:55PM +1100, Anton Blanchard wrote:
>         li 11,120		; sizeof(struct page)
[...]
>         divd 0,0,11
> 
> Perhaps the compiler should be optimising this better (can we replace
> the divide?)

The powerpc backend claims to have a fast divide instruction
(via RTX_COST if you care about such things).  We'll replace
with shift when dividing by powers of 2, but won't try the
multiply by a constant inverse trick.

r~