Hi Pan: > rtx expand (function_expander &e) const override diff --git > a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md index > 0ecca98f20c..6819363b9ff 100644 > --- a/gcc/config/riscv/vector.md > +++ b/gcc/config/riscv/vector.md > @@ -1032,6 +1032,7 @@ (define_insn_and_split "@pred_mov<mode>" > [(match_operand:VB 1 "vector_all_trues_mask_operand" "Wc1, Wc1, > Wc1, Wc1, Wc1") > (match_operand 4 "vector_length_operand" " rK, rK, > rK, rK, rK") > (match_operand 5 "const_int_operand" " i, i, > i, i, i") > + (match_operand 6 "const_int_operand" " i, i, > i, i, i")
I didn't get why having one more tail policy operand for this pattern could help? Do you mind explaining more detail about this? Thanks :)