RE: Control Dependencies vs C Compilers

David Laight
2020-10-06T15:37:30Z

> My suggestion as an alternative is to use assembler instead.
> That way you can guarantee that you get the instructions you
> want in the order that you want them. It should be fairly
> straightforward to create a macro or inline function that
> contains the necessary code and this can be done once and
> then used wherever the functionality is required.

C exists because K&R got fed up of writing pdp-11 assembler.
Compared to some modern ones it is nice and easy to write
(I'm old enough to have used pdp-11.)

You can't put control dependencies inside C asm statements.

David

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