-mno-sse and -mno-sse2 broken on opteron?

[Andi Kleen]

Marcin Dalecki <martin@dalecki.de> writes:
>
> As far as I can see the linux-2.6 kernel already does the lazy trick
> only
> on the i387 registers for AMD64.

Hmm? It does lazy FP saving, but always for both SSE and x87 registers 
together. There are plans to split it, but it hasn't been done so far.

-Andi (who won't write more on this because it's clearly off-topic)