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x86-64 (also called x86_64, x64, or amd64) is the 64-bit CPU architecture that is used in Intel and AMD processors. It is an extension to the 32-bit x86 (i386) architecture. The x86-64 architecture is used in most CPUs for home computers and servers in use today. It is incompatible with the ARM64 architecture, which is in use in smartphones ...
The 64-bit extension created by Advanced Micro Devices (AMD) to Intel's x86 architecture (later licensed by Intel); commonly termed x86-64, AMD64, or x64: AMD's AMD64 extensions (used in Athlon 64 , Opteron , Sempron , Turion 64 , Phenom , Athlon II , Phenom II , APU , FX , Ryzen , and Epyc processors)
x86-64 calling conventions. x86-64 calling conventions take advantage of the added register space to pass more arguments in registers. Also, the number of incompatible calling conventions has been reduced. There are two in common use. Microsoft x64 calling convention. The Microsoft x64 calling convention is followed on Windows and pre-boot UEFI ...
Sep 16, 2021 · x86-64, also called the AMD64 or AMD 64-bit extension, backwards compatible with 32-bit code without performance loss. Intel 64, previously named IA-32e or EM64T, almost identical to x86-64. Throughout the book these terms may be used interchangeably when appropriate.
Jun 30, 2019 · As of 2009, x86 primarily refers to IA-32 (Intel Architecture, 32-bit) and/or x86-64, the extension to 64-bit computing. Versions of the x86 instruction set architecture have been implemented by Intel, AMD and several other vendors, with each vendor having its own family of x86 processors. Intel x86 Microprocessors.
x86-64 is the general name of a series of 64-bit processors and their associated instruction set architecture. These processors are compatible with legacy x86 software. AMD and Intel are the major manufacturers, and VIA also supported it with VIA Nano processors.
x86 is a term used to describe a CPU instruction set compatible with the Intel 8086 and its successors, including the Pentium and others made by Intel and other companies. This is the CPU architecture used in most desktop and laptop computers. Many 21st century workstations and servers also use x86 processors.
