This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH] Multiplication by 11 patch updated
> I tested it on little benchmarking multiplying first 10000000 constants,
> but it looks like this one is still problem. The unoptimized
> checking-enabled cross is compiling for about 6 minutes now.
> Can you think of some way to further prune the heuristic? If not, I
> think I will just introduce fixed depth limit after which we stop
> considering the expensive posibilities....
Without the patch, 22 minutes are needed to compile the testcase. I
will try out if reducing the depth works resonably well.
Honza
>
> Honza
> >
> > Roger
> > --
> >