Author: Dezhi Zhao
Date: 08:07:38 09/08/03
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<snip> > >Btw. MOVQ is even a SSE2 instruction with XMM-regsiters. If target is >XMM-register, the upper 64-bit are zero extented. On opterons SSE2, MOVQ is >"double direct path", so i guess using SSE2-MOVQ is a bit slower, than MMX-MOVQ >- maybe in this 22sec range. > >Regards, >Gerd Yes. Test runs confirms your projection. SSE2 movq is not better than movdpa. It is still in the range of 22s. Zhao
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