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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 modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode.
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In computer science, an instruction set architecture (ISA)...
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Added with x86-64. These instructions can only be encoded in...
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x86-64: 64-bit Extended since 2001: x86-64 is the 64-bit...
- 64-Bit
This is a list of x86 calling conventions. These are conventions primarily intended for C/C++ compilers (especially the 64-bit part below), and thus largely special cases. Other languages may use other formats and conventions in their implementations.
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.
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