Modern X86 Assembly Language Programming: Covers X86 64-bit, AVX, AVX2, and AVX-512

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023

D. KusswurmModern X86 Assembly Language Programminghttps://doi.org/10.1007/978-1-4842-9603-5_1

1. X86-64 Core Architecture

Daniel Kusswurm¹  

(1)

Geneva, IL, USA

 

This chapter explores the core architecture of an x86-64 processor from the perspective of an application program. It begins with a brief historical overview of the x86 platform. The purpose of this overview is to provide a frame of reference for subsequent content. Next is a review of x86-64 fundamental, numeric, and SIMD (single instruction multiple data) data types. This is followed by an examination of x86-64 core architecture, which includes processor register sets, status flags, instruction ...