[fpc-devel] implementation AVX for Intel/AMD Prozessors

[Daniël Mantione]

Op Sun, 18 Sep 2011, schreef Florian Klämpfl:

> I'am not sure if the ymm registers should be an own register class.
> After all, they are a superset of xmm

Exactly. Since if xmm0 is allocated, ymm0 is allocated too; the register 
allocator should treat them as a single register. xmm0 and ymm0 are a 
subregister of the same superregister.

Daniël