On Thu, 26 Apr 2007, Dave Korn wrote: > On 26 April 2007 16:26, Brian Dessent wrote: > > > The builtin would run on the host at compile time, whereas the above > > would run on the target at runtime. I presume he's talking about using > > MPFR in the host compiler to simplify lgamma(constant), not actually > > causing any requirement on the target code to use or have MPFR. > > Oh, that makes sense.
Yes, see: http://gcc.gnu.org/gcc-4.3/changes.html#mpfropts > Kaveh, surely the answer is to just unconditionally emit something like > > (set (mem (sym_ref "_signgam")) (const_int VALUE))) > > and let the user worry about what happens if they haven't included the correct > header file? I'm doing this at the tree level, so AIUI I have to be mindful of type, scope and conflicts. I also have to decide what to do in non-C. --Kaveh -- Kaveh R. Ghazi [EMAIL PROTECTED]
