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Re: [PATCH] GCSE: Changing PARAM_MAX_GCSE_PASSES to 2.


gcc-patches-owner@gcc.gnu.org wrote on 12/03/2004 17:00:09:

> Hi.
>
> I think changing the max number of gcse passes to be greater than one
> may be beneficial.  Consider this little example:
>

Theoretically this is correct but it is always a trade-off between compile
time and performance gain. To support this observation; while working on
gcse-las optimization, setting the gcse maximum passes to 3 show
improvements
in spec.


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