[fpc-devel] Extended type

[Nikolai Zhubr]

19.04.2011 13:43, Alexander Klenin:
> 2011/4/19 Nikolai Zhubr<n-a-zhubr at yandex.ru>:
>> Now, with the
>> introduction of 64-bit processors IIRC AMD took care of this problem by
>> providing some means to execute floating-point operations without the need
>> for traditional FPU register space, thus allowing to avoid the need to
>> save/restore FPU state. IIRC these are some _new_ opcodes, unavailable on
>> earlier CPUs.
>
> Very interesting -- can you provide further detail on this?
> I could not find anything relevant neither in vol.1 ch.6 nor vol.5 ch.2 of
> AMD's APM -- is there something I overlooked?

Sorry, I looked into it several years ago, I don't have any links by 
hand anymore.
However, Jonas seem to be more exact on this. I think he is right and 
AMD just pushed deprecation of x87 in favour of SSE(2).

Nikolai
>
>