Re: SSE2 problems/kernel 2.5.67

Subject: Re: SSE2 problems/kernel 2.5.67
From: Jim Gribbin (jewelrysupplier@gci.net)
Date: Tue Apr 22 2003 - 21:22:56 AKDT

I found this on http://www.linuxnetworx.com/newsletter/archive/3.html

What are the SSE and SSE2 instruction sets?

The SSE and SSE2 instructions sets are an Intel-designed addendum to the
original x86 instruction set provided as a mechanism to drastically
speed up floating point operations. The SSE and SSE2 instructions are
vector operations that use the 64-bit MMX and the 128-bit XMM registers,
respectively, to efficiently handle double-precision and packed floating
point calculations. 

--

Are SSE and SSE2 instructions supported by AMD?

The SSE instruction set is supported on the Palomino version of AMD's
Athlon. The SSE2 instructions are not yet implemented on an AMD
platform.

--

What compilers support the SSE2 instruction set?

PGI 3.2-4, GCC 3.0, and the Intel compilers (formerly the Kai compilers)
all support the SSE2 instruction set.

My guess is that the compiler thinks you have the Palomino version
Athalon.

Jim Gribbin

On Tue, 2003-04-22 at 19:17, petezilla! wrote:
> I've compiled a new kernel for my computer and upon reboot if I select 
> my kernel option from Lilo, it hangs on boot with a statement that can 
> be paraphrased as, "SSE2 is not an option for this processor".
> 
> In my .config file for the new kernel, my processor type has been 
> specified as an Athlon and I've disabled SMP support as well.  I 
> backtracked down to a 2.5.61 kernel and I receive the same sort of error.  
> 
> My system specs are as follows, Athlon processor, Slackware 9.0 pre with 
> kernel 2.4.20 & 2.5.67 (eventually I imagine).  Has anyone seen a 
> problem such as this?  Any suggestions welcome.
> 
> Thank you.
> 
> - Peter S. H.
> 
> 
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