"Robin Westberg" <robin@xxxxxxxxxxx> writes: > However, for PowerPC no tail call optimization is present in the assembly > code, and it makes no difference whether I use the > -fno-optimize-sibling-calls flag or not. So my question is: is this a known > limitation, a bug, or am I simply doing something wrong? It's a known limitation due to the way the PowerPC EABI works. Tailcalls are only possible to static functions. Ian