[Pixman] [PATCH 00/10] Cleanups to CPU detection

Alan Coopersmith alan.coopersmith at oracle.com
Fri Jun 29 14:20:44 PDT 2012


On 06/29/12 01:44 PM, Søren Sandmann Pedersen wrote:
> I was looking at making use of some of the newer x86 SIMD instruction
> sets and realized that (a) we don't ever call cpuid on x86-64, we just
> assume that MMX and SSE2 are present,

I thought the amd64 ABI guaranteed MMX & SSE2 would always be present - is
that not the case?

-- 
	-Alan Coopersmith-              alan.coopersmith at oracle.com
	 Oracle Solaris Engineering - http://blogs.oracle.com/alanc


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