Ankit Mahanot <ankit1986@xxxxxxxxx> writes: > 1) passes.c calls all the optimizations. But how does the control > reach passes.c. I mean when a code starts compiling, which file calls > passes.c grep is your friend. Look for the various calls to execute_pass_list. > 2) Where should I write my code. In passes.c OR somewhere else ?? If you want to change the order of passes, then passes.c seems like a good place. Note that mainline gcc has support for plugins to add new passes which you might want to look at. > 3) is online profiling possible because i want to calculate the time > taken by different optimizations & apply the algo based on those > timings. See -ftime-report. Ian
