================ @@ -241,6 +241,7 @@ X86_FEATURE (SM3, "sm3") X86_FEATURE (SM4, "sm4") X86_FEATURE (AVXVNNIINT16, "avxvnniint16") X86_FEATURE (EVEX512, "evex512") +X86_FEATURE (USERMSR, "usermsr") ---------------- phoebewang wrote: Make it aligned above https://github.com/llvm/llvm-project/pull/68944