Which XMM are safe to erase in asm{} blocks?

[ponce via Digitalmars-d-learn]

On Monday, 6 July 2015 at 08:54:48 UTC, ponce wrote:
> What registers can I safely modify in asm {} blocks? Especially 
> XMM registers.
>
> I can't find the information on http://dlang.org/iasm.html
>
> Note that this question isn't for function-call boundaries but 
> asm{} boundaries since I do not use "naked;"

Bump.

Is this secret knowledge?