RE: [PATCH] RISC-V: Remove redundant functions

["Li, Pan2" <pan2.li@intel.com>]

Committed, thanks Kito.

Pan

-----Original Message-----
From: Gcc-patches <gcc-patches-bounces+pan2.li=intel.com@gcc.gnu.org> On Behalf Of Kito Cheng via Gcc-patches
Sent: Monday, September 11, 2023 5:26 PM
To: Juzhe-Zhong <juzhe.zhong@rivai.ai>
Cc: gcc-patches@gcc.gnu.org; kito.cheng@gmail.com
Subject: Re: [PATCH] RISC-V: Remove redundant functions

LGTM

On Mon, Sep 11, 2023 at 5:20 PM Juzhe-Zhong <juzhe.zhong@rivai.ai> wrote:
>
> I just finished V2 version of LMUL cost model.
> Turns out we don't these redundant functions.
>
> Remove them.
>
> gcc/ChangeLog:
>
>         * config/riscv/riscv-protos.h (get_all_predecessors): Remove.
>         (get_all_successors): Ditto.
>         * config/riscv/riscv-v.cc (get_all_predecessors): Ditto.
>         (get_all_successors): Ditto.
>
> ---
>  gcc/config/riscv/riscv-protos.h |  2 --
>  gcc/config/riscv/riscv-v.cc     | 48 ---------------------------------
>  2 files changed, 50 deletions(-)
>
> diff --git a/gcc/config/riscv/riscv-protos.h b/gcc/config/riscv/riscv-protos.h
> index 46d77ef927c..e91a55ec057 100644
> --- a/gcc/config/riscv/riscv-protos.h
> +++ b/gcc/config/riscv/riscv-protos.h
> @@ -498,8 +498,6 @@ enum floating_point_rounding_mode get_frm_mode (rtx);
>  opt_machine_mode vectorize_related_mode (machine_mode, scalar_mode,
>                                          poly_uint64);
>  unsigned int autovectorize_vector_modes (vec<machine_mode> *, bool);
> -hash_set<basic_block> get_all_predecessors (basic_block);
> -hash_set<basic_block> get_all_successors (basic_block);
>  bool cmp_lmul_le_one (machine_mode);
>  bool cmp_lmul_gt_one (machine_mode);
>  }
> diff --git a/gcc/config/riscv/riscv-v.cc b/gcc/config/riscv/riscv-v.cc
> index 3cd1f61de0e..4d95bd773a2 100644
> --- a/gcc/config/riscv/riscv-v.cc
> +++ b/gcc/config/riscv/riscv-v.cc
> @@ -3388,54 +3388,6 @@ expand_fold_extract_last (rtx *ops)
>    emit_label (end_label);
>  }
>
> -hash_set<basic_block>
> -get_all_predecessors (basic_block bb)
> -{
> -  hash_set<basic_block> blocks;
> -  auto_vec<basic_block> work_list;
> -  hash_set<basic_block> visited_list;
> -  work_list.safe_push (bb);
> -
> -  while (!work_list.is_empty ())
> -    {
> -      basic_block new_bb = work_list.pop ();
> -      visited_list.add (new_bb);
> -      edge e;
> -      edge_iterator ei;
> -      FOR_EACH_EDGE (e, ei, new_bb->preds)
> -       {
> -         if (!visited_list.contains (e->src))
> -           work_list.safe_push (e->src);
> -         blocks.add (e->src);
> -       }
> -    }
> -  return blocks;
> -}
> -
> -hash_set<basic_block>
> -get_all_successors (basic_block bb)
> -{
> -  hash_set<basic_block> blocks;
> -  auto_vec<basic_block> work_list;
> -  hash_set<basic_block> visited_list;
> -  work_list.safe_push (bb);
> -
> -  while (!work_list.is_empty ())
> -    {
> -      basic_block new_bb = work_list.pop ();
> -      visited_list.add (new_bb);
> -      edge e;
> -      edge_iterator ei;
> -      FOR_EACH_EDGE (e, ei, new_bb->succs)
> -       {
> -         if (!visited_list.contains (e->dest))
> -           work_list.safe_push (e->dest);
> -         blocks.add (e->dest);
> -       }
> -    }
> -  return blocks;
> -}
> -
>  /* Return true if the LMUL of comparison less than or equal to one.  */
>  bool
>  cmp_lmul_le_one (machine_mode mode)
> --
> 2.36.3
>