I you use Dolphin 32 bits just make sure your dll is 32 bits too and that will work. I guess you can find it on the web if you don't want to install catalyst 9.3 just for that.
Also, this was pointed out in this thread already
http://forums.dolphin-emu.org/thread-2556-post-35021.html#pid35021
Also, this was pointed out in this thread already
http://forums.dolphin-emu.org/thread-2556-post-35021.html#pid35021
