On Mon, Oct 8, 2012 at 3:27 PM, Paolo Bonzini wrote:
> I wonder if we actually need the non-pruned version anywhere...
I don't think so, but I'm not sure. Only ddg.c and loop-iv.c access
the DF_RD results directly (i.e. not via DU/UD chains). For loop-iv
the pruned version is fine. For ddg I didn'
Il 07/10/2012 19:18, Steven Bosscher ha scritto:
> Hello,
>
> The attached patch adds a DF changeable flag to compute a subset of
> reaching definitions that are also live at the program points they
> reach. This is an idea I discussed with Paolo many years ago already,
> but until today it hadn't
Hello,
The attached patch adds a DF changeable flag to compute a subset of
reaching definitions that are also live at the program points they
reach. This is an idea I discussed with Paolo many years ago already,
but until today it hadn't really ever been close to the top of my todo
list, but tryin