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IA-32 (short for " Intel Architecture, 32-bit ", commonly called i386 [1] [2]) [3] is the 32-bit version of the x86 instruction set architecture, designed by Intel and first implemented in the 80386 microprocessor in 1985. IA-32 is the first incarnation of x86 that supports 32-bit computing; [4] as a result, the "IA-32" term may be used as a ...
IA-32 is the 32-bit version of the x86 instruction set architecture, designed by Intel and first implemented in the 80386 microprocessor in 1985. IA-32 is the first incarnation of x86 that supports 32-bit computing; as a result, the "IA-32" term may be used as a metonym to refer to all x86 versions that support 32-bit computing.
Apr 24, 2024 · Overview. These manuals describe the architecture and programming environment of the Intel® 64 and IA-32 architectures. Electronic versions of these documents allow you to quickly get the information you need and print only the pages you want.
- Changes
- CPUs with SSE3
- New Instructions
The most notable change is the capability to work horizontally in a register, as opposed to the more or less strictly vertical operation of all previous SSE instructions. More specifically, instructions to add and subtract the multiple values stored within a single register have been added. These instructions can be used to speed up the implementat...
Other instructions
MONITOR, MWAIT 1. The MONITOR instruction is used to specify a memory address for monitoring, while the MWAITinstruction puts the processor into a low-power state and waits for a write event to the monitored address.
Oct 8, 2019 · Our goal is to obtain simplified both execution- and interpretation-friendly high-performance version of IA-32 free of backward compatibility burden and without all unused or rarely used features, as well as to gain knowledge’s about ISA design principles came from actual usage practice in modern applications.
Oct 11, 2017 · Dictionary. I - Definitions. IA-32. Updated: 10/11/2017 by Computer Hope. Short for Intel Architecture 32, IA-32 was the first 32-bit processor architecture developed by Intel, and is still the basis for many microprocessors in use today.
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