Ian Lance Taylor wrote: > Joseph Jezak <josejx@xxxxxxxxxx> writes: > >> I was looking at the binary output from a simple loop that's been >> compiled with -funroll-all-loops and I noticed that gcc will only >> unroll a loop if the loop repeats less than 16 times. Is there a >> way to turn this off? Is there a reason for it? > > I don't think that is always true, though it may well be true for your > test case. > > You can control this behaviour in various ways. Look at the > documentation for the --param option, and the parameters like > max-unrolled-insns. > > Ian > Thank you very much! A combination of the max-unrolled-insns and max-unroll-times parameters made gcc behave like I needed it to. Thanks again! -Joe
