On Mon, Aug 22, 2011 at 07:49:43PM +0200, Steven Bosscher wrote:
> On Mon, Aug 22, 2011 at 1:54 PM, Jakub Jelinek wrote:
> >> * From a very wide field of view, all this DF solving reminded me a
> >> lot of what I've seen in df-*.c. Why can't variable tracking be
> >> integrated in the main DF pass
On Mon, Aug 22, 2011 at 1:54 PM, Jakub Jelinek wrote:
>> * From a very wide field of view, all this DF solving reminded me a
>> lot of what I've seen in df-*.c. Why can't variable tracking be
>> integrated in the main DF pass of the compiler, the one that happens
>> *after* register allocation?
>
On Mon, Aug 22, 2011 at 02:26:58PM +0300, Dimitrios Apostolou wrote:
> the attached patch applies after my previous one, and actually
> cancels all runtime gains from it. It doesn't make things worse than
> initially, so it's not *that* bad.
You should really test it on the testcases which lead to
