Jeremy Sanders <jss@xxxxxxxxxxxxx> writes: > I notice on x86_64 Linux with gcc-4.1.2, that if I make a call to frexp() > from math.h, this function is not inlined in the assembly output > (with -O2). I've tried -ffast-math as well. > > As this function could be trivially inlined (it's just a matter of getting > the correct bits from the stored number), is this a gcc misoptimization or > is glibc the culprit? It's just that nobody got around to it. As it happens, inlining of frexp is a new optimization in gcc 4.3. Ian
