[PATCH] riscv: avoid vle8ff in vector strcmp loop
Florian Weimer
fweimer@redhat.com
Mon Jun 15 13:54:55 GMT 2026
* Carlos O'Donell:
> On 6/14/26 6:55 AM, daichengrong wrote:
>> Limit vl by the minimum distance from the input pointers to the next 4K
>> boundary, and use normal vle8.v loads in the main loop. This keeps the
>> loads page-safe while avoiding the vl update dependency from vle8ff.v.
>
> Do you have microbenchmark data that supports this change?
>
> Generally for such changes we would like to see "make bench" showing a
> difference.
I think asking for performance data from unreleased CPUs is unfair.
I don't know if this applies in this instance, though.
Thanks,
Florian
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