On Fri, 18 Sep 2020, Segher Boessenkool wrote:
> Hi!
>
> On Thu, Sep 17, 2020 at 01:20:35PM +0200, Richard Biener wrote:
> > This adds the capability to look for available negated multiplications
> > and divisions, replacing them with cheaper negates.
>
> It is longer latency than the original i
Hi!
On Thu, Sep 17, 2020 at 01:20:35PM +0200, Richard Biener wrote:
> This adds the capability to look for available negated multiplications
> and divisions, replacing them with cheaper negates.
It is longer latency than the original insns. Combine will try to undo
this, because of that (it depe
On Thu, 17 Sep 2020 at 13:20, Richard Biener wrote:
>
> This adds the capability to look for available negated multiplications
> and divisions, replacing them with cheaper negates.
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
>
This patch caused a regression in fortran, I file
This adds the capability to look for available negated multiplications
and divisions, replacing them with cheaper negates.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
2020-09-17 Richard Biener
* tree-ssa-sccvn.c (visit_nary_op): Value-number multiplications
an
