ARM ISA

General

History Families

Variants

26-bit 32-bit 64-bit

Extensions

ARM Thumb ThumbEE Jazelle VFP Neon Helium

Topics

Addressing Modes Registers Assembly Interrupts CPSR Modes Calling Convention Microarchitectures

Versions(all)

ARMv1 ARMv2 ARMv2a ARMv3 ARMv4 ARMv5 ARMv6 ARMv7 ARMv8 ARMv8.1 ARMv8.2 ARMv8.3

ARM is a family of bi-endian fixed-length instruction set architectures and extensions. The ARM architecture is widely used in the mobile and embedded markets. Today, ARM-based implementations are designed by a number of companies including ARM Holdings, Qualcomm, Apple, and AppliedMicro.

Overview

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