Intel CPU MMX SSE SSE2/3/4指令集手册下载URL

在线查看的网址：

https://software.intel.com/sites/landingpage/IntrinsicsGuide/

Intel® 64 and IA-32 Architectures Software Developer's Manuals

http://www.intel.com/products/processor/manuals/

Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 1: Basic Architecture

http://download.intel.com/design/processor/manuals/253665.pdf