This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Fix PR optimization/11753 (SPARC)
Eric Botcazou <ebotcazou@libertysurf.fr> writes:
>> Is this optimization even a good idea on modern Sparc hardware? It
>> seems like the sort of thing that would confuse a branch predictor.
>
> Yes, this is reflected in the condition:
>
> && sparc_cpu != PROCESSOR_ULTRASPARC
> && sparc_cpu != PROCESSOR_ULTRASPARC3
Ah. Thanks for the clarification.
Your patch seems like the right thing to me, but I don't know the
Sparc back end very well.
zw