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From: Andre McCurdy <armccurdy@gmail.com>
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Subject: Re: expectations for a_ctz_64(0)
Date: Thu, 30 Nov 2017 15:45:58 -0800
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On Thu, Nov 30, 2017 at 3:08 PM, Szabolcs Nagy <nsz@port70.net> wrote:
> * Andre McCurdy <armccurdy@gmail.com> [2017-11-30 14:41:32 -0800]:
>> Currently the generic and aarch64 versions of a_ctz_64() give
>> different results for 0:
>>
>>   a_ctz_64_generic(0) : 0
>>   a_ctz_64_aarch64(0) : 64
>>
>> That doesn't matter for the ffs functions, but for the other users of
>> a_ctz_l and a_ctz_64 (ie malloc and qsort) it's less clear.
>>
>> Does musl rely on a specific behaviour?
>
> no, that would be a bug.
>
> same for clz

Good. Thanks for confirming.