- All GCC 6 features, plus latest mainline features: + Full ARMv8-M support including atomics and Security Extensions + ARM PURECODE support for ARMv7-M and ARMv8-M Mainline + Co-processor intrinsics support + Cortex-M23 and Cortex-M33 support + -mthumb optional for Cortex-M devices
- https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads