Re: sparse: Why test-parse shows "+=" as a store?

[Jeff Garzik <jeff@garzik.org>]

Christopher Li wrote:
> On Mon, Apr 27, 2009 at 3:57 PM, Jeff Garzik <jeff@garzik.org> wrote:
>> Well, I'll tell you what.  If you or somebody else wants to volunteer to
>> make key sparse & linearize changes, then I will work on a linearize LLVM
>> backend.
>>
>> Absent that, the motivation is lower, considering I have a current, working
>> approach that does not require any upstream changes.
> 
> Unless I am missing some thing. I don't see your back end generate
> GET_ELEMENT_PTR instruction in LLVM. So you should be able to use existing
> linearize instruction to generate what your patch does, without up stream
> changes.

That is because the v2 backend is largely integer only, and did not do 
much with structs.


> To generate GET_ELEMENT_PTR properly require upstream changes, but
> your patch doesn't do that either.

Quoting the email to which you replied:  "I just managed to figure out[...]"

There are many changes beyond the v2 patch posted already, but this is 
only at the "confirmed a theory with test code" stage, not yet even 
included in any local repository.

	Jeff