Caused by unknown alignment, was: Re: On the x86_64, does one have to zero a vector register before filling it completely ?

[Richard Guenther]

On Sun, Nov 29, 2009 at 9:18 PM, Daniel Berlin <dberlin@dberlin.org> wrote:
>>
>> Such a thing already existed a few years ago (IIRC Haifa had something
>> that Dan picked up and passed on to me). But it never brought any
>> benefits. I don't have the pass anymore, but perhaps Dan still has a
>> copy of it somewhere.
>
> It was actually posted and reviewed, you can find it in the archives.
>
> It's probably wildly out of date now ;)
>
> It's a fairly trivial lattice problem to implement using the sparse propagator.

Well - you need a place to store the result obviously...

Richard.