Thank you very much! I'll try that and keep you posted on this. Francis 2011/5/5 Alexander Monakov <amonakov@xxxxxxxxx>: > > > On Thu, 5 May 2011, Francis Girard wrote: > >> How may we _easily_ know whether the compiler did indeed unroll a loop >> or not in C/C++ ? > > In case of GCC, you can add -fdump-rtl-loop2_unroll-slim Âto compiler command > line and examine the resulting dump file (look for ";; Unrolled loop"), > although there is no easy way to tell to which loop the compiler is referring > to. ÂIt is still usable in case there is only one loop in the function you're > interested in. > > Alexander >
