...to be able to keep values in registers sometimes. So C didn't get this...

...over eg: *which* parameters are passed in registers, the only possible talking with the backend...

...the loop variables fit better into CPU registers as int/uint or size_t.

So...

...up the program stack, setting the segment registers, etc. No language provides support for them...

...have a proper way to access hardware registers. So far, even the top people have...

...yet) had any problems when writing io registers but more with read access. Any operation...

...to not keep memory values cached in registers across the assembler instruction and not optimize...

...a way to read/write my IO registers as fast as possible with D.

I...

...But todays peripherals may have tens of registers and they are usually represented as a...

...and free, although probably not done in registers and perhaps not as likely to be...