Itanium's design was finalized before JIT became important. Suddenly JIT was everywhere and spreading: Java, C# .net CLR stuff, Javascript, and more.
JIT output can not be well-optimized because that takes too long. The code must compile while the end-user waits, so there is no time to do anything good. The code will be terrible. Itanium can't handle that.
Itanium's design was finalized before JIT became important. Suddenly JIT was everywhere and spreading: Java, C# .net CLR stuff, Javascript, and more.
JIT output can not be well-optimized because that takes too long. The code must compile while the end-user waits, so there is no time to do anything good. The code will be terrible. Itanium can't handle that.