2024年12月27日 · Intel® 64 and IA-32 Architectures Software Developer's Manual Combined Volumes 2A, 2B, 2C, and 2D: Instruction Set Reference, A- Z: This document contains the full instruction set reference, A-Z, in one volume. It describes the format of the instructions and provides reference pages for them.

Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 2A: Instruction Set Reference, A-L NOTE: The Intel® 64 and IA-32 Architectures Software Developer's Manual consists of nine volumes: Basic Architecture, Order Number 253665; Instruction Set Reference A-L, Order Number 253666;

Instruction Set Architecture (ISA) continues to evolve and expand its functionality, enrich user experience, and create synergy across industries.

This document contains the following: Volume 1: Describes the architecture and programming environment of processors supporting IA-32 and Intel® 64 architectures. Volume 2: Includes the full instruction set reference, A-Z. Describes the format of the instruction and provides reference pages for instructions.

The program counter (PC) is written with address X; the instruction at X is the next instruction to execute : PC: The address of the assembly instruction in question : rA, rB, rC : One of the 32-bit general-purpose registers : prs.rA: General-purpose register rA in the previous register set : IMMn: An n-bit immediate value, embedded in the ...

“Recent Instruction Set Extensions / Features Introduction in Intel® 64 and IA-32 Processors” that are available in processors covered in the Intel® 64 and IA-32 Architectures Software Developer’s Manual. This information can be found in Chapter 5 “Instruction Set Summary”, of Volume 1.

2024年10月31日 · Today, we introduce the next major step in the evolution of Intel architecture. Intel® Advanced Performance Extensions (Intel® APX) expands the entire x86 instruction set with access to more registers and adds new features that improve general-purpose performance.

2025年1月21日 · The Intel AVX instruction set extends 128-bit SIMD instruction sets by employing a new instruction encoding scheme via a vector extension prefix (VEX). Intel AVX also offers several enhanced features beyond those available in …

2024年7月12日 · Intel® Intrinsics Guide includes C-style functions that provide access to other instructions without writing assembly code.

Updated Table 1-2, “Recent Instruction Set Extensions / Features Introduction in Intel® 64 and IA-32 Processors.” Updated the CPUID instruction with bits enumerating new features.