Factoring algorithms on rtl ?

[Daniel Berlin]

On Feb 18, 2004, at 3:04 PM, Jim Wilson wrote:

> On Wed, 2004-02-18 at 02:03, Gábor Lóki wrote:
>> We would very much like to continue this work, because even in this 
>> very
>> simple code motion algorithm we have extra gain beside the mentioned
>> algorithm when optimizing for size. I expect significant reductions 
>> from
>> the more sophisticated factorings. Do you support this?
>
> I have taken no position on this work.  I simply pointed out that it
> appeared to be a generalization of cross-jumping, which is something 
> you
> didn't mention, so I wasn't sure if you were aware of it.
>
In this spirit, are you aware that df.c provides the same def-use 
information you attempt to generate on your own?
>