M32R

The M32R is a 32-bit RISC instruction set architecture (ISA) developed by Mitsubishi Electric for embedded microprocessors and microcontrollers. The ISA is now owned by Renesas Electronics Corporation, and the company designs and fabricates M32R implementations. M32R processors are used in embedded systems such as Engine Control Units, digital cameras and PDAs. The ISA was supported by Linux and the GNU Compiler Collection but was dropped in Linux kernel version 4.16.^[1]

References[]

^ Simon Sharwood (3 April 2018). "Linux 4.16 arrives, erases eight CPUs and keeps melting Meltdown". theregister.co.uk. Situation Publishing. Archived from the original on 3 April 2018. Retrieved 3 April 2018.

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v t Reduced instruction set computer (RISC) architectures
Origins	IBM 801 Berkeley RISC Stanford MIPS
Active	Analog Devices Blackfin ARC ARM AVR eSi-RISC LatticeMico8, LatticeMico32 MIPS OpenRISC Power ISA Renesas M32R, SuperH, V850 RISC-V SPARC Sunway Unicore Xilinx MicroBlaze, PicoBlaze
Discontinued	Alpha AMD Am29000 Apollo PRISM Atmel AVR32 Clipper CRISP DEC PRISM Intel i860, i960 META MIPS-X Motorola 88000, M·CORE PA-RISC POWER, PowerPC, ROMP