In general is not not so much "will crash" but "will not run"

On Sun, Mar 19, 2017 at 12:52 AM, T L <tapir....@gmail.com> wrote:

>
>
> On Sunday, March 19, 2017 at 3:03:21 AM UTC+8, T L wrote:
>>
>> At the end of sync/atomic package docs, it says
>>
>> On x86-32, the 64-bit functions use instructions unavailable before the
>> Pentium MMX.
>>
>>
>> On non-Linux ARM, the 64-bit functions use instructions unavailable
>> before the ARMv6k core.
>>
>>
>> So when running Go programs which call the 64-bit atomic functions on
>> above mentioned machines, programs will crash?
>>
>>
>> If it is true, is it good idea to add a compiler option to convert the
>> 64-bit function calls to mutex calls?
>>
>> And is it possible to do the conversions at run time?
>>
>>
>> And I read from somewhere which says Go authors are some regretted to
>> expose the atomic functions,
>>
>> for these functions are intended to be used in standard packages
>> internally.
>>
>> So is it a good idea to recommend gophers to use mutex over atomic and
>> convert some mutex calls to atomic calls atomically by compiler?
>>
>
> sorry, here "atomically", I mean "automatically".
>
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-- 
Michael T. Jones
michael.jo...@gmail.com

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