Re: [Monotone-devel] illegal instruction [was Re: Problem with build of monotone 0.11 on Debian testing]

[Robert Helgesson]

On Fri, Apr 02, 2004 at 11:06:38 -0500, graydon hoare wrote:
> I'm looking into ways of making the activation of the SSE2 code "more 
> automatic". I thought I had it pinned down by the release -- the path
> I thought it was constrained to does a CPUID test -- but then I moved
> what I thought was working code to my athlon for testing, and got the
> error you're seeing. I think gcc might spontaneously *generate* some
> SSE2 code when you say -msse2, or else perhaps I am just doing CPUID
> in a way which makes athlons angry.

Just checking for the emmintrin.h file doesn't suffice. I have it on my
system and I have an old Intel Celeron which definately does not have
support for SSE2.

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