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

From: Richard Henderson (
Date: Sun Jan 06 2002 - 22:22:04 EST

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.

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