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Announced in October 2011, [3] ARMv8-A represents a fundamental change to the ARM architecture. It adds an optional 64-bit Execution state, named "AArch64", and the associated new "A64" instruction set, in addition to a 32-bit Execution state, "AArch32", supporting the 32-bit "A32" (original 32-bit Arm) and "T32" (Thumb/Thumb-2) instruction sets.
Thumb-2 extends the limited 16-bit instruction set of Thumb with additional 32-bit instructions to give the instruction set more breadth, thus producing a variable-length instruction set. A stated aim for Thumb-2 was to achieve code density similar to Thumb with performance similar to the ARM instruction set on 32-bit memory.
This is a list of central processing units based on the ARM family of instruction sets designed by ARM Ltd. and third parties, sorted by version of the ARM instruction set, release and name. In 2005, ARM provided a summary of the numerous vendors who implement ARM cores in their design. [1]
This is a table of 64/32-bit central processing units that implement the ARMv8-A instruction set architecture and mandatory or optional extensions of it. Most chips support the 32-bit ARMv7-A for legacy applications.
The ARM Cortex-R is a family of 32-bit and 64-bit RISC ARM processor cores licensed by Arm Ltd.The cores are optimized for hard real-time and safety-critical applications. Cores in this family implement the ARM Real-time (R) profile, which is one of three architecture profiles, the other two being the Application (A) profile implemented by the Cortex-A family and the Microcontroller (M ...
Download QR code; Print/export ... ARM architecture (5 C, 40 P) I. Instruction set listings (7 P) M. ... Reduced instruction set computer;
ARM licensed a number of Hitachi's patents on aspects of the instruction design and used them to implement their Thumb instructions. ARM processors with a "T" in the name included this instruction set in addition to their original 32-bit versions, and could be switched from 32- to 16-bit mode on the fly using the BX command. When in Thumb mode ...
The Neoverse N2 (code named Perseus) is derived from the Cortex-A710 and implements the ARMv9.0-A instruction set. [19] It was officially announced by Arm on September 22, 2020. [6] On August 28, 2023, Arm announced the Neoverse CSS N2 (Genesis), a customizable CPU subsystem implementation by Arm to reduce the time to market for customers.