seeding the pot for 2.0 features [small vectors]

Mikola Lysenko mclysenk at mtu.edu
Sun Jan 28 13:44:05 PST 2007


Chad J wrote:
> 
> The only computers I know of that lack float4 are smartphone and PDA 
> type devices running modern ARM processors.  Even some of the recent 
> ARM-XSCALE processors have MMX instructions, which doesn't give float4 
> but does give short4 and int2.  I'm also not sure about modern 
> supercomputers and the like, since I haven't worked with those.

Actually, newer ARM devices support the NEON/VFP instruction set 
extensions, which provides SIMD capabilities similar to SSE.  It is 
strange that most modern ISA's have better support for geometric vectors 
than higher level programming languages...


-Mik



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