[PATCH v12 04/17] riscv: Add vector feature to compile

[Björn Töpel]

[Cropping the huge Cc:-list.]

Chris Stillson <stillson at rivosinc.com> writes:

> From: Guo Ren <guoren at linux.alibaba.com>
>
> This patch adds a new config option which could enable assembler's
> vector feature.
>
> Signed-off-by: Guo Ren <guoren at linux.alibaba.com>
> Co-developed-by: Greentime Hu <greentime.hu at sifive.com>
> Signed-off-by: Greentime Hu <greentime.hu at sifive.com>
> ---
>  arch/riscv/Kconfig  | 15 +++++++++++++--
>  arch/riscv/Makefile |  1 +
>  2 files changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index ed66c31e4655..e294d85bfb7d 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -432,7 +432,17 @@ config FPU
>  
>  	  If you don't know what to do here, say Y.
>  
> -endmenu # "Platform type"
> +config VECTOR
> +	bool "VECTOR support"
> +	depends on GCC_VERSION >= 120000 || CLANG_VERSION >= 130000
> +	default n
> +	help
> +	  Say N here if you want to disable all vector related procedure
> +	  in the kernel.
> +
> +	  If you don't know what to do here, say Y.
> +
> +endmenu

"VECTOR" is not really consistent to how the other configs are named;
RISCV_ISA_V, RISCV_ISA_VECTOR, RISCV_VECTOR?


Björn