This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Reduce complette unrolling & peeling limits
> OK, here are multiple issues.
> 1) recursive inlining makes huge loop nest (of 18 loops)
> 2) SCEV is very slow on answering simple_iv tests in this case becuase it
> walks the nest
> 3) unroller is computing loop body size even when it is clear the body is
> much larger than the limit (the outer loop has 78000 instructions)
>
> I will prepare patches to fix those issues.
Thanks for the analysis (and don't worry, I won't revert anything :-).
--
Eric Botcazou