x86-64 (also known as x64, x86_64, AMD64, and Intel 64) is a 64-bit version of the x86 instruction set, first announced in 1999. It introduced two new...

x86 microarchitectures, circuitry and semiconductor manufacturing would make it hard to replace x86 in many segments. AMD's 64-bit extension of x86 (which...

This article describes the calling conventions used when programming x86 architecture microprocessors. Calling conventions describe the interface of called...

x86 assembly language is the name for the family of assembly languages which provide some level of backward compatibility with CPUs back to the Intel...

virtual memory addresses. However, not all 64-bit instruction sets support full 64-bit virtual memory addresses; x86-64 and AArch64 for example, support only...

x86 virtualization is the use of hardware-assisted virtualization capabilities on an x86/x86-64 CPU. In the late 1990s x86 virtualization was achieved...

(i186, i286, i386, i486, i586/i686) and is referred to as (32-bit) x86 and (64-bit) x86-64 (also known as AMD64). This is the original instruction set. In...

from RHEL version 2.1AS. Since version 8, CentOS officially supports the x86-64, ARM64, and POWER8 architectures, and releases up to version 6 also supported...

Process–architecture–optimization model and Template:Intel processor roadmap. 8086 first x86 processor; initially a temporary substitute for the iAPX 432 to compete with...

moved almost exclusively to implementing CPUs based on the 64-bit variant of x86, x86-64. x86-64, by specification, offers legacy operating modes that operate...

is unknown: Apple maintains a separate tool that should be used on Intel/x86-64 Macs, while other systems use FAT utilities just fine. The globally unique...

thunks) A dll that allows 32-bit x86 instructions to be executed, which varies by instruction set architecture. On x86-64, Wow64cpu.dll takes care of switching...

Windows 8 64-bit supports booting from UEFI-based PC (x86-64 only) using GPT-based disks. Windows 8.1 64-bit supports booting from UEFI-based PC (x86-64 only)...

systems, behind x86-64, Power ISA, and SPARC. In 2019, Intel announced the discontinuation of the last of the CPUs supporting the IA-64 architecture. In...

edition of Windows XP for x86-64 personal computers. It was released on April 25, 2005, around the same time as with the x86-64 versions of Windows Server...

Update 6 for x86 (32 bit)and x86_64 (64 Bit) architectures". 10 December 2007. "Enterprise Linux Release 4 Update 7 for x86 (32 bit), x86_64 (64 Bit) and...

execution in Windows IA-32 edition or the WoW64 emulation layer for the x86-64 version has a link to an undocumented _EXCEPTION_REGISTRATION_RECORD list...

free parameter space and return. The 64-bit version of the x86 architecture, known as x86-64, AMD64, and Intel 64, has two calling sequences in common...

Virtualization, is a native hypervisor; it can create virtual machines on x86-64 systems running Windows. Starting with Windows 8, Hyper-V superseded Windows...

by large PC vendors, such as Dell, Hewlett-Packard, and Fujitsu, selling x86-64 systems running Windows or Linux. The first computer that might qualify...

was named protected mode. The x86-64 architecture, introduced in 2003, has largely dropped support for segmentation in 64-bit mode. In both real and protected...

versions of VMware Workstation support x86. Older versions of VMware Player/VMware Workstation Player support x86. "Bhyve supports Windows". Retrieved 22...

benchmarks, x86-64-only programs performed better under Rosetta 2 on a Mac with an Apple M1 SOC than natively on a Mac with an Intel x86-64 processor....

environment can be either 32-bit (IA-32, AArch32) or 64-bit (x86-64, Itanium, and AArch64). 64-bit UEFI firmware implementations support long mode, which...

"we could run circles around PowerPC...we could kill the x86." Early predictions were that IA-64 would expand to the lower-end servers, supplanting Xeon...

space larger than 4 gigabytes (232 bytes). The page table structure used by x86-64 CPUs when operating in long mode further extends the page table hierarchy...

Athlon 64) and was involved in designing the Athlon (K7) and Apple A4/A5 processors. He was also the coauthor of the specifications for the x86-64 instruction...

INT is an assembly language instruction for x86 processors that generates a software interrupt. It takes the interrupt number formatted as a byte value...

backward-compatible with 32-bit x86 instructions. The Athlon 64 line was succeeded by the dual-core Athlon 64 X2 and Athlon X2 lines. The Athlon 64 was originally codenamed...

the front panel. Example of a function in hexadecimal representation of x86-64 machine code to calculate the nth Fibonacci number, with each line corresponding...