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AMD Athlon (early version), a technically different but fully compatible x86 implementation. x86 (also known as 80x86 [2] or the 8086 family [3]) is a family of complex instruction set computer (CISC) instruction set architectures [a] initially developed by Intel based on the Intel 8086 microprocessor and its 8088 variant.
- X86-64
The five-volume set of the x86-64 Architecture Programmer's...
- Arm
Rosetta 2 adds support for x86-64 applications but not...
- Alder Lake
Alder Lake is Intel's codename for the 12th generation of...
- 32-Bit
In computer architecture, 32-bit computing refers to...
- Complex Instruction Set Computer
A complex instruction set computer (CISC / ˈ s ɪ s k /) is a...
- Intel 8086
The 8086 (also called iAPX 86) is a 16-bit microprocessor...
- Instruction Set Architecture
In computer science, an instruction set architecture (ISA)...
- x86 instruction listings
The x86 instruction set refers to the set of instructions...
- x86 assembly language
x86 assembly language is the name for the family of assembly...
- X86-64
x86. 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.
Jan 1, 2024 · Main article: X86 Assembly/SSE. 64-bit x86 adds 8 more general-purpose registers, named R8, R9, R10 and so on up to R15. R8–R15 are the new 64-bit registers. R8D–R15D are the lowermost 32 bits of each register. R8W–R15W are the lowermost 16 bits of each register. R8B–R15B are the lowermost 8 bits of each register.
Jun 30, 2019 · The name x86 is derived from the fact that many of Intel's early processors had names ending in "86". The x86 instruction set architecture originated at Intel and has evolved over time by the addition of new instructions as well as the expansion to 64-bits. As of 2009, x86 primarily refers to IA-32 (Intel Architecture, 32-bit) and/or x86-64 ...
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