Same here. I do have to drop little snippets of asm in to code for bare metal stuff, but generally looking at the output of the compiler to see if it and I are

Same here. I do have to drop little snippets of asm in to code for bare metal stuff, but generally looking at the output of the compiler to see if it and I are on the same page is my main use. However, as we may well be about to switch our IoT device to ARM from AVR, this might be a useful primer...