[fpc-devel] State of SSE/AVX intrinsics

[J. Gareth Moreton]

 From tests/test/cg/tvectorcall1.pp

{$PUSH}
{$CODEALIGN RECORDMIN=16}
{$PACKRECORDS C}
type
   TM128 = record
     case Byte of
       0: (M128_F32: array[0..3] of Single);
       1: (M128_F64: array[0..1] of Double);
   end;
{$POP}

(This declaration mimics how __m128 is defined in Microsoft Visual C++)

Gareth aka. Kit

On 21/04/2020 09:10, denisgolovan wrote:
>> I did suggest it once - https://bugs.freepascal.org/view.php?id=32780 -
>> it would make things useful and allow for cleaner typecasting with the
>> internal __m128 type etc. It was assigned, but appears to have stalled.
> Yeap. That's right it's a long awaited feature.
>
>> There might be some portability issues with it, although I think the
>> feature already exists in the form of pre-processor directives, but
>> those are a little cumbersome sometimes.
> Could you point me to this solution?
>
> -- Regards,
> Denis Golovan
>

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