From: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
To: Andrew Pinski <pinskia@gmail.com>
Cc: GNU C Library <libc-alpha@sourceware.org>
Subject: Re: [PATCH] aarch64: Use memcpy_simd as the default memcpy
Date: Thu, 13 Oct 2022 12:28:12 +0000 [thread overview]
Message-ID: <AS4PR08MB790199C452FF607E61BDD7BF83259@AS4PR08MB7901.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <CA+=Sn1mf4o2XNOdyUtsMV_P98P0PXampaNXw8ikjf_LYASwH7A@mail.gmail.com>
Hi Andrew,
> This changes how neoverse-n2 is handled, is that expected?
> That is neoverse-n2 was returning __memcpy_simd before and now will be
> returning __memcpy_sve as n2 has SVE.
Yes, the SVE memcpy can be used by any CPU that supports SVE. Having this
as a general rule is better than special casing every CPU.
Cheers,
Wilco
next prev parent reply other threads:[~2022-10-13 12:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-12 15:19 Wilco Dijkstra
2022-10-12 19:12 ` Andrew Pinski
2022-10-13 12:28 ` Wilco Dijkstra [this message]
2022-10-13 12:30 ` Adhemerval Zanella Netto
2022-10-19 12:31 ` Wilco Dijkstra
2022-10-25 12:55 ` Szabolcs Nagy
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