How can I compile rust for 16bit x86 (Intel 8086)?

1. llvm-mos

   1 14 465 10.0 LLVM

   Port of LLVM to the MOS 6502 and related processors

   

   You could look at LLVM-MOS, the port of LLVM to the 6502. It might give you some ideas around the problems to solve https://llvm-mos.org/wiki/Welcome https://github.com/llvm-mos/llvm-mos

2. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

3. rv51

   2 1 139 2.6 Assembly

   A RISC-V emulator for the 8051 (MCS-51) microcontroller.

   

   One (hacky) way to target CPUs not supported by Rust/LLVM, is to write emulator in language that works on that target (C/Asm) of a platform that rust can compile to. For example, someone made Rust work on 8051 by writing Risc-V emulator in 8051 assembly: https://github.com/cyrozap/rv51

4. rusty-dos

   3 5 148 0.0 Rust

   A Rust skeleton for an MS-DOS program for IBM compatibles and the PC-98, including some PC-98-specific functionality

   

   I assume that's what rusty-dos is using, given this bit from the README:

5. gcc-ia16

   4 11 193 0.0 C

   Fork of Lambertsen & Jenner (& al.)'s IA-16 (Intel 16-bit x86) port of GNU compilers ― added far pointers & more • use https://github.com/tkchia/build-ia16 to build • Ubuntu binaries at https://launchpad.net/%7Etkchia/+archive/ubuntu/build-ia16/ • DJGPP/MS-DOS binaries at https://gitlab.com/tkchia/build-ia16/-/releases • mirror of https://gitlab.com/tkchia/gcc-ia16

   

   or GCC IA 16 (https://github.com/tkchia/gcc-ia16) gets someday mainlined (also a multi month/years project) and then gccrs can maybe use it as backend

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