committed, thanks!

On Wed, Jan 18, 2023 at 10:44 AM <juzhe.zhong@rivai.ai> wrote:

> From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
>
> gcc/ChangeLog:
>
>         * config/riscv/vector.md: Fix incorrect attributes.
>
> ---
>  gcc/config/riscv/vector.md | 27 ++++++++++++---------------
>  1 file changed, 12 insertions(+), 15 deletions(-)
>
> diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md
> index 4e93b7fead5..37cf4d6bcbf 100644
> --- a/gcc/config/riscv/vector.md
> +++ b/gcc/config/riscv/vector.md
> @@ -95,13 +95,7 @@
>          (const_int 32)
>          (eq_attr "mode" "VNx1DI,VNx2DI,VNx4DI,VNx8DI,\
>                           VNx1DF,VNx2DF,VNx4DF,VNx8DF")
> -        (const_int 64)
> -
> -        (eq_attr "type" "vsetvl")
> -        (if_then_else (eq_attr "INSN_CODE (curr_insn) == CODE_FOR_vsetvldi
> -                                || INSN_CODE (curr_insn) ==
> CODE_FOR_vsetvlsi")
> -                      (symbol_ref "INTVAL (operands[2])")
> -                      (const_int INVALID_ATTRIBUTE))]
> +        (const_int 64)]
>         (const_int INVALID_ATTRIBUTE)))
>
>  ;; Ditto to LMUL.
> @@ -149,12 +143,7 @@
>          (eq_attr "mode" "VNx4DI,VNx4DF")
>            (symbol_ref "riscv_vector::get_vlmul(E_VNx4DImode)")
>          (eq_attr "mode" "VNx8DI,VNx8DF")
> -          (symbol_ref "riscv_vector::get_vlmul(E_VNx8DImode)")
> -        (eq_attr "type" "vsetvl")
> -        (if_then_else (eq_attr "INSN_CODE (curr_insn) == CODE_FOR_vsetvldi
> -                                || INSN_CODE (curr_insn) ==
> CODE_FOR_vsetvlsi")
> -                      (symbol_ref "INTVAL (operands[3])")
> -                      (const_int INVALID_ATTRIBUTE))]
> +          (symbol_ref "riscv_vector::get_vlmul(E_VNx8DImode)")]
>         (const_int INVALID_ATTRIBUTE)))
>
>  ;; It is valid for instruction that require sew/lmul ratio.
> @@ -531,7 +520,11 @@
>    "TARGET_VECTOR"
>    "vset%i1vli\t%0,%1,e%2,%m3,t%p4,m%p5"
>    [(set_attr "type" "vsetvl")
> -   (set_attr "mode" "<MODE>")])
> +   (set_attr "mode" "<MODE>")
> +   (set (attr "sew") (symbol_ref "INTVAL (operands[2])"))
> +   (set (attr "vlmul") (symbol_ref "INTVAL (operands[3])"))
> +   (set (attr "ta") (symbol_ref "INTVAL (operands[4])"))
> +   (set (attr "ma") (symbol_ref "INTVAL (operands[5])"))])
>
>  ;; vsetvl zero,zero,vtype instruction.
>  ;; This pattern has no side effects and does not set X0 register.
> @@ -563,7 +556,11 @@
>    "TARGET_VECTOR"
>    "vset%i0vli\tzero,%0,e%1,%m2,t%p3,m%p4"
>    [(set_attr "type" "vsetvl")
> -   (set_attr "mode" "<MODE>")])
> +   (set_attr "mode" "<MODE>")
> +   (set (attr "sew") (symbol_ref "INTVAL (operands[1])"))
> +   (set (attr "vlmul") (symbol_ref "INTVAL (operands[2])"))
> +   (set (attr "ta") (symbol_ref "INTVAL (operands[3])"))
> +   (set (attr "ma") (symbol_ref "INTVAL (operands[4])"))])
>
>  ;; It's emit by vsetvl/vsetvlmax intrinsics with no side effects.
>  ;; Since we have many optmization passes from "expand" to
> "reload_completed",
> --
> 2.36.3
>
>