🚀 go-pugleaf

cnelson@csugrad.cs.vt.edu (Christian Nelson) writes:

>I'm currently writing a fixed point number class and I'm trying to
>convince g++ (2.6.3 on a linux machine) to inline asm code for two of
>the operators.  The operators in question are:

....
>It just doesn't seem to want to do it.  I explicitly made them
>non-inlined, did some benchmarking, then tried numerous things to
>force them to be inlined, including: optimizations, explicitly using
>the 'inline' keyword, etc...  nothing helped.  I also wrote a function
>based version of the same data type and it was at least 4-10 times
>faster.  This is why I suspect that the asm code is not being inlined
>for the class... and it is for the functional version.

...
>Can this actually be inlined??  How??  I'm getting frustrated because
>I really don't want to give in to using functions instead of a nice
>c++ class.  Also, where can I get more information on inlining asm
>code in c++ classes?  I checked the man and info pages, and they were
>far from informative (for c++ stuff).

   This ain't C++ stuff at all.  Try your function on a Sun and see if it's
going to work.  But I have a clue for you:  read the Linux hackers' guide.