[fpc-devel] Difficulty in specifying record alignment... and more compiler optimisation shenanigans!

[Florian Klämpfl]

Am 22.10.19 um 05:01 schrieb J. Gareth Moreton:
> 
> mulpd    %xmm0, %xmm0 { Calculates "re * re" and "im * im" simultaneously }
> haddpd    %xmm0, %xmm0 { Adds the above multiplications together 
> (horizontal add) }

Unfortunatly, those horizontal operations are normally not very 
efficient IIRC.