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Re: VTA merge - cmdline


On Tue, Jun 09, 2009 at 07:03:17AM -0400, Mark Mitchell wrote:
> I agree.  Yes, --param was originally about optimization, but I believe
> that it should be used for magic constants which are not intended to
> affect the behavior of the generated code, including the speed at which
> it runs, the space which it consumes, and so forth.

Does this imply that it should not be used for constants which should
affect the behavior of the generated code?

>  My view is that
> --param is for the most advanced users -- including GCC developers
> debugging the compiler; these are things that could well be hard-wired
> into the compiler, but we have made them dynamic to make it easier to do
> tuning experiments and such.

This (and experience) conflicts with the above interpretation.

-- 
Daniel Jacobowitz
CodeSourcery


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