From: Avi Kivity <avi@argo.co.il>
To: Andi Kleen <ak@suse.de>
Cc: Ulrich Drepper <drepper@redhat.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: Why ssse3?
Date: Thu, 03 May 2007 12:02:31 +0300 [thread overview]
Message-ID: <4639A527.5080909@argo.co.il> (raw)
In-Reply-To: <200705031052.31611.ak@suse.de>
Andi Kleen wrote:
> On Thursday 03 May 2007 00:56:26 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.
>>
>
> PNI (Prescott New Instructions) was the original engineering code name. Unfortunately
> it was added too early before the marketing name was known and then it couldn't be
> changed anymore.
>
Perhaps sse3 could be added as an alias to pni.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2007-05-03 9:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-02 22:41 Why ssse3? Ulrich Drepper
2007-05-02 22:46 ` Andi Kleen
2007-05-02 22:56 ` Ulrich Drepper
2007-05-03 2:28 ` H. Peter Anvin
2007-05-03 8:52 ` Andi Kleen
2007-05-03 9:02 ` Avi Kivity [this message]
2007-05-03 9:07 ` Andi Kleen
2007-05-03 16:03 ` Roland Dreier
2007-05-02 22:47 ` Ismail Dönmez
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