The official manuals from intel are pretty good, better for reference but still good: http://www.intel.com/content/www/us/en/processors/architectures-software-

The official manuals from intel are pretty good, better for reference but still good: http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html?iid=tech_vt_tech+64-32_manuals http://www.intel.com/content/www/us/en/processors/architectu...