Hello!
Recent patch introduced 10% runtime regression on x86_64 targets in
rnflow Polyhedron benchmark [1]. Did somebody alread bisected to the
offending patch?
[1] http://gcc.opensuse.org/c++bench/polyhedron/polyhedron-summary.txt-2-0.html
Uros.
Hi Uros,
> Recent patch introduced 10% runtime regression on x86_64 targets in
> rnflow Polyhedron benchmark [1]. Did somebody alread bisected to the
> offending patch?
I see it since some time. It is on my TODO list to open a new PR.
You can suppress the slowdown with -fno-tree-loop-if-convert.
On Sun, Sep 16, 2012 at 04:59:29PM -0400, Jack Howarth wrote:
> > All changes need explicit release manager approval until the final
> > release of GCC 4.7.2 which should happen roughly one week after
> > the release candidate if no issues show up with it.
>
>The backport of changes required t
On 2012-09-14 16:17:43 +, Joseph S. Myers wrote:
> On Fri, 14 Sep 2012, Vincent Lefevre wrote:
>
> > round-to-odd would be a good solution if it were provided directly
> > in hardware. Otherwise a "direct" implementation would probably be
> > more efficient (in particular when the implementati
On Mon, 17 Sep 2012, Vincent Lefevre wrote:
> Then, between implementing round-to-odd and implementing a direct
> formatOf operation, I don't think there is much difference concerning
> the work to do (I would even say that round-to-odd could require more
> work).
The difference would probably be
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