* operator strength reduce fixed and improved
* fixed 64bit code generation for some rary compare cases
+* better tailrecursion optimization: handles x * func() and x + func()
+* improved inliner: better heuristic for inlining, can now inline recursive calls
+* lowering of CopyB nodes
+* better memory disambiguator
+* float->64bit conversion fixed for x87
+* removed old verbosity level based debugging: all modules ese the new debug facility
+* BugFixes: tail recursion, load/store optimisation
====== Libfirm 1.12.1 (2008-02-18) ======