On 09/14/2016 07:38 AM, Segher Boessenkool wrote:
On Mon, Sep 12, 2016 at 12:02:50PM -0600, Jeff Law wrote:
As a final optimisation, if a block needs a prologue and its immediate
dominator has the block as a post-dominator, the dominator gets the
prologue as well.
So why not just put it in the
On Mon, Sep 12, 2016 at 12:02:50PM -0600, Jeff Law wrote:
> >>>As a final optimisation, if a block needs a prologue and its immediate
> >>>dominator has the block as a post-dominator, the dominator gets the
> >>>prologue as well.
> >>So why not just put it in the idom and not in the dominated block
On 09/09/2016 03:57 PM, Segher Boessenkool wrote:
On Thu, Sep 08, 2016 at 12:34:07PM -0600, Jeff Law wrote:
On 07/31/2016 07:42 PM, Segher Boessenkool wrote:
Deciding what blocks should run with a certain component active so that
the total cost of executing the prologues (and epilogues) is opt
On Thu, Sep 08, 2016 at 12:34:07PM -0600, Jeff Law wrote:
> On 07/31/2016 07:42 PM, Segher Boessenkool wrote:
> >
> >Deciding what blocks should run with a certain component active so that
> >the total cost of executing the prologues (and epilogues) is optimal, is
> >not a computationally feasible
On 07/31/2016 07:42 PM, Segher Boessenkool wrote:
Deciding what blocks should run with a certain component active so that
the total cost of executing the prologues (and epilogues) is optimal, is
not a computationally feasible problem.
Really? It's just a dataflow problem is it not and one that
