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

A64 is the instruction set that machins in AArch64 execute which was introduced with the ARMv8 ISA.

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