Why doesn't Sun do a C# to Java byte code compiler?

Question

We Want to Run Our C# Code on the JVM

My company has a large C# code base. Well over half of this code is our core engine for creating, reading, modifying, calculating

Answer 1

JACIL is an apparently dead project that attempts to do the reverse of IKVM. Perhaps some motivated folks could use it as a starting point for a viable .Net to JVM compiler.