On 15/06/12 10:48, Eric Botcazou wrote: >> It's not about example, but the fact that host compilers have been >> compiling that code as part of building gcc for years, without anyone >> complaining, afaik. It doesn't matter whether the code pointed at >> is the ugliest or most beautiful code on earth. What matters is whether >> it uses long long unconditionally on all hosts or not. >> IOW, what are the still supported hosts/compilers that don't >> support "long long"? If there are any, it appears none has been used >> in at least the past 5 years, IIU the code correctly. > > OK, but GCC still officially requires only an ISO C90 compiler > http://gcc.gnu.org/install/prerequisites.html > so the usage of 'long long' in libdecnumber is a bug that could be fixed at > some point. That's why using it as a precedent isn't the best thing to do. >
There are several ports that currently require long long support in the back-end -- see need_64bit_hwint in config.gcc. R.
