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Re: [cxx-conversion] Make double_int a class with methods and operators. (issue6443093)
On Aug 9, 2012, at 8:19 AM, Michael Matz wrote:
> Hmm. And maintaining a cache is faster than
> passing/returning/manipulating two registers?
For the most part, we merely mirror existing code, check out lookup_const_double and immed_double_const. If the existing code is wrong, love to have someone fix it. :-) Also, bear in mind, on a port with with OImode math for example, on a 32-bit host, it would be 8 registers...