On Wed, Apr 23, 2014 at 04:36:23PM +0200, Richard Biener wrote:
> > I should point out that there is a community that wants to go in the
> > opposite direction here. They are the people with real 32 bit hosts who
> > want to go back to a world where they are allowed to make hwi a 32 bit
> > value. They have been waiting wide-int to be committed because they see
> > this as a way to get back to world where most of the math is done natively.
> >
> > I am not part of this community but they feel that if the math that has the
> > potential to be big to be is done in wide-ints, then they can go back to
> > using a 32 bit hwi for everything else. For them, a wide-int built on 32
> > hwi's would be a win.
I don't think wide-int will be more efficient than 64-bit integer
support on 32-bit architectures, if it would be, that would just mean that we
need to improve support for the double word integers for that target.
So what exactly would be the advantage of going back to 32-bit HWI say on
i?86?
Jakub
