On Mon, May 20, 2019 at 03:15:20PM +0200, felix.winkelm...@bevuta.com wrote: > > > Interprocedural flow-analysis is hard, we shouldn't underestimate > > > this. What happens when we declare a type for a toplevel function? > > > > If you're thinking about reassigning globals, how about making > > -fixnum-arithmetic imply -local? If globals cannot be re-defined then > > the types are always correct. > > > > If fixnum-arithmetic is wanted for speed then -local is wanted anyway, > > not to mention global inlining. > > I understand - but I'm wary of options implying other options. This makes > it hard to figure out the final set of applicable settings, in the name of > convenience > I have made this mistake often enough. If one wants speed, "-O<n>" is probably > the easiest and simplest way. Otherwise each option should have a single > effect only.
I agree; this sounds like it's making a lot of assumptions about exactly how the user wants to bend the Scheme semantics to make it faster. Cheers, Peter
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