erickq wrote: > #include <arm_neon.h> > bfloat16_t test(bfloat16_t gpara1, bfloat16_t gpara2) > { > return gpara1+gpara2; > } Okay, thank you. I got it. It seems that this needs to be supported slowly in the follow-up work. Do you have any plans? https://github.com/llvm/llvm-project/pull/71470