[dmd-internals] Testcase in test42.d

[Iain Buclaw]

On 4 April 2013 19:02, Walter Bright <walter at digitalmars.com> wrote:

>
> On 4/4/2013 9:57 AM, Iain Buclaw wrote:
>
>> What exactly is this testing for?  Should I even care if it fails?
>>
>> https://github.com/D-**Programming-Language/dmd/blob/**
>> master/test/runnable/test42.d#**L613<https://github.com/D-Programming-Language/dmd/blob/master/test/runnable/test42.d#L613>
>>
>> It *looks* like it is expecting the data to be aligned to 16 bytes.
>>
>
> Yes.
>
>
>  But why should this matter?
>>
>
> People use such constructs to support SIMD code, which requires 16 byte
> alignment.
>
>
Is this expected for all shared types? Or just shared structs.


-- 
Iain Buclaw

*(p < e ? p++ : p) = (c & 0x0f) + '0';
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