Intel® 64 and IA-32 Architectures Software Developer’s Manual – Volume 1: Basic Architecture
Intel® 64 and IA-32 Architectures Software Developer’s Manual – Volume 2A: Instruction Set Reference, A-M
Intel® 64 and IA-32 Architectures Software Developer’s Manual – Volume 2B: Instruction Set Reference, N-Z
Intel® 64 and IA-32 Architectures Software Developer’s Manual – Volume 3A: System Programming Guide, Part 1
This paper focuses on the Advanced Encryption Standard (AES), and illustrates a way to use IPP AES API to replace basic AES routines in OpenSSL and examine the performance benefit.
explains the difference on at&t and intel notation, among others
HITBSecConf2008 Presentation Announcement: Remote Code Execution Through Intel CPU Bugs. Kris Kaspersky.
Intel's Recommended Reading List for Developers