Ian Lance Taylor writes:
 > Abramo Bagnara <[EMAIL PROTECTED]> writes:
 > 
 > > I'd like to know if gcc has implemented some generic way to help
 > > optimizer job by allowing programmers to specify assumptions (or
 > > constraints).
 > 
 > The answer is no, there is nothing quite like you describe.
 > 
 > But I think it would be a good idea.

Something like this would greatly improve the code generation quality
of gcj.  There are a great many assertions that I could pass to VRP
and the optimizers: this is invariant, this is less than that, and so
on.

Andrew.

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