[fpc-devel] The new XMM intrinsics

Florian Klämpfl florian at freepascal.org
Sat Jan 18 19:47:21 CET 2020

Am 18.01.20 um 19:29 schrieb J. Gareth Moreton:
> I personally would have thought the compiler would be smart enough to 
> promote a 128-bit array to an XMM register when among intrinstics or 
> just passing the structure as a whole from one place to another, but 
> utilise memory movement or the scalar SSE commands when modifying 
> individual fields.  I guess it's easier said than done though and 
> probably something for me to research later on.

As said: this is not the purpose of those intrinsics. They can be used 
to do so though but this is another story.

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