LLVM asm with constraints, and 2 operands

[Basile B.]

On Sunday, 18 July 2021 at 18:47:50 UTC, Basile B. wrote:
> On Sunday, 18 July 2021 at 17:45:05 UTC, Guillaume Piolat wrote:
>> On Sunday, 18 July 2021 at 16:32:46 UTC, Basile B. wrote:
>>> [...]
>>
>> Thanks.
>>
>> Indeed that seems to work even when inline and optimized. 
>> Registers are spilled to stack.
>> A minor concern is what happens when the enclosing function is 
>> extern(C) => https://d.godbolt.org/z/s6dM3a3de
>> I need to check that more...
>
> I think this should be rejected just like when you use D arrays 
> in the interface of an `extern(C)` func, as C has no equivalent 
> of __vector (afaik).

but in any case there's a bug.