AMD pays substantial royalties to Intel for x86. https://jolt.law.harvard.edu/digest/intel-and-the-x86-architecture-a-legal-perspective https://jolt.law.harvar

AMD pays substantial royalties to Intel for x86. https://jolt.law.harvard.edu/digest/intel-and-the-x86-architecture-a-legal-perspective https://jolt.law.harvard.edu/digest/intel-and-the-x86-archit... However, this will become moot as even Intel is shifting towards LLVM. https://www.intel.com/content/www/us/en/developer/articles/technical/adoption-of-llvm-complete-icx.html https://www.intel.com/content/www/us/en/developer/articles/t...