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Re: [PATCH] aarch64: Optimized memset for falkor
- From: Siddhesh Poyarekar <siddhesh at sourceware dot org>
- To: Szabolcs Nagy <szabolcs dot nagy at arm dot com>, libc-alpha at sourceware dot org
- Cc: nd at arm dot com, Wilco dot Dijkstra at arm dot com
- Date: Mon, 20 Nov 2017 18:27:24 +0530
- Subject: Re: [PATCH] aarch64: Optimized memset for falkor
- Authentication-results: sourceware.org; auth=none
- References: <1510651584-21402-1-git-send-email-siddhesh@sourceware.org> <5A12CD7F.9040601@arm.com>
- Reply-to: siddhesh at sourceware dot org
On Monday 20 November 2017 06:11 PM, Szabolcs Nagy wrote:
> On 14/11/17 09:26, Siddhesh Poyarekar wrote:
>> +libc_ifunc (__libc_memset, (IS_FALKOR (midr) && zva_size == 64
>> + ? __memset_falkor
>> + : __memset_generic));
>
> the falkor code is probably slightly better for
> most of the zva==64 targets too, but this way
> is probably the least risky and the logic can
> be changed later if necessary.
>
> i don't see a way to fix falkor with smaller
> impact on other cores.
>
> so this is OK to commit.
Thanks, pushed.
Siddhesh