Re: targed.md: copy_to_mode_reg or force_reg?

[Ian Lance Taylor <iant at google dot com>]

Joern Rennecke <amylaar@spamcop.net> writes:

>> By the way: Are there better places to ask such questions like in gcc-help?
>
> If you actually need a new gcc backend and want it to be done well. you
> should instruct an experienced contractor to do it for you, or hire an
> in-house expert.
>
> Your question reveals that you are not familiar with gcc, and further
> suggests that you are trying to implement a new backend alone or in a team
> lacking a gcc expert.  This is likely to either fail or result in a
> backend of substandard quality which will never make it into the FSF
> repository.
> You might eventually (after several years) improve and come up with a
> proper backend, but you will likely pick up the necessary skills more
> quickly if you start out with something less ambitious, like improving
> an existing backend, and have your patches peer-reviewed on the gcc
> mailing list.
> Or if you directly cooperate in implementing your new backend with someone
> who already has the necessary experience.
>
> Thus, although your orginal question is valid in principle on this list,
> answering is not likely to really help you, nor are you likely to help
> the GCC community in the forseeable future if you are working on an
> over-ambitious project project.
> Thus, there is little incentive for anybody knowledgable reading this
> list to answer this question.
>
> If the same question had been asked in a different context, e.g. a small
> patch to the x86 backend in order to support some new and exciting linux
> application, the odds of getting a timely response would have been higher.

This seems a little bit unfair to me.  We do have volunteers, and we
should encourage them.  Our internals documentation is very weak.  I
never saw the original question, or I would most likely have answered
it.

It's of course true that context helps, and your answer to the question
seemed like a good one.

Ian