committed, thanks.

On Tue, Jan 3, 2023 at 3:31 PM <juzhe.zhong@rivai.ai> wrote:

> From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
>
> Suppose there are 2 demand infos:
>
> Demand 1: demand TAIL.
> Demand 2: not demand TAIL.
>
> If a block is demand 1, we should adjust this block is available both for
> demand 1 && 2.
> However, if a block is demand 2, we should only adjust this block is
> available for demand 2 only.
>
> gcc/ChangeLog:
>
>         * config/riscv/riscv-vsetvl.cc (vector_insn_info::operator>=): Fix
> available condition.
>
> ---
>  gcc/config/riscv/riscv-vsetvl.cc | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/gcc/config/riscv/riscv-vsetvl.cc
> b/gcc/config/riscv/riscv-vsetvl.cc
> index 6dbaea32b03..52f0195980a 100644
> --- a/gcc/config/riscv/riscv-vsetvl.cc
> +++ b/gcc/config/riscv/riscv-vsetvl.cc
> @@ -1048,12 +1048,10 @@ vector_insn_info::operator>= (const
> vector_insn_info &other) const
>         }
>      }
>
> -  if (demand_p (DEMAND_TAIL_POLICY) && !other.demand_p
> (DEMAND_TAIL_POLICY)
> -      && get_ta () != other.get_ta ())
> +  if (!demand_p (DEMAND_TAIL_POLICY) && other.demand_p
> (DEMAND_TAIL_POLICY))
>      return false;
>
> -  if (demand_p (DEMAND_MASK_POLICY) && !other.demand_p
> (DEMAND_MASK_POLICY)
> -      && get_ma () != other.get_ma ())
> +  if (!demand_p (DEMAND_MASK_POLICY) && other.demand_p
> (DEMAND_MASK_POLICY))
>      return false;
>
>    return true;
> --
> 2.36.3
>
>