Itanium was the offspring of a 1990's partnership between HP and Intel, back when the range of ISAs in use was far more diverse than the x86 and Arm titans of today. The IA-64 architecture was designed to push forward into the realms of then-exotic 64-bit computing, as well as...
https://www.techspot.com/news/90622-intel-itanium-finally-dead.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/90622-intel-itanium-finally-dead.html?utm_source=dlvr.it&utm_medium=blogger