HI JuZhe: Thanks for explaining!
Hi Pan: I think that would be helpful if JuZhe's explaining that could be written into the commit log. > gcc/ChangeLog: > > * config/riscv/riscv-v.cc (emit_pred_op): > * config/riscv/riscv-vector-builtins-bases.cc: > * config/riscv/vector.md: And don't forgot write some thing in ChangeLog...:P