Re: Why ssse3?

H. Peter Anvin
2007-05-03T02:28:48Z

Ulrich Drepper wrote:
> Andi Kleen wrote:
>> Nope. SSE3 != SSSE3. The additional S means Supplemential.
>>
>> It's probably because the few changes didn't justify a SSE4
>
> OK, the problem is that the actual sse3 bit is misnamed. According to
> Intel's docs bit 0 of ECX is "sse", the kernel uses "pni". Too bad.

Intel has a nasty habit of renaming things after they are already
deployed in Linux.

-hpa