I don't think it will be that hard for Intel & AMD to put little operations like the javascript float one (which is a standard ARM instruction BTW) or some spec

I don't think it will be that hard for Intel & AMD to put little operations like the javascript float one (which is a standard ARM instruction BTW) or some special instructions to help garbage collection and retain/release counts work more effectively that all programming languages could leverage. It's something else that makes it better.