>> Next you stick a my_other_func declaration in a header and use >> my_other_func instead of my_func() in the main function. Now the >> result is that the compiler has no damn clue what my_other_func() >> contains so it can't optimize it out of the loop with either >> version. You cannot treat "volatile" the way you are saying it is >> treated without severely violating both the C99 spec *and* common sense. > >The compiler *happens* to have no damn clue because such inter-module >optimizations don't exist. That doesn't make the code correct, just not >likely to demonstrate its brokenness.
GCC has inter-module optimization, it's just not used everyday. I think I have seen a discussion on this. Right there it is -> http://lkml.org/lkml/2006/8/24/212 -`J' -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
