[PATCH GCC][1/4]Extend interface ref_at_iteration to compute ref @ (NITERS + ITERS)-th iteration

[Richard Biener]

On Tue, Jun 27, 2017 at 12:48 PM, Bin Cheng <Bin.Cheng@arm.com> wrote:
> Hi,
> This is a simple patch extending interface ref_at_iteration in order to compute memory
> refernce at (NITERS + ITERS)-th iteration.  This is for following predictive commoning
> pass enhancement in which we need to compute reference after (NITERS) loop at
> ITERS shifted iterations.
> Bootstrap(O2/O3) in patch series on x86_64 and AArch64.  Is it OK?

Ok.

> Thanks,
> bin
> 2017-06-21  Bin Cheng  <bin.cheng@arm.com>
>
>         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
>         memory reference to DR at (NITERS + ITERS)-th iteration of loop.