[dpdk-dev] [PATCH v4 1/3] net/ice: add AVX512 vector path

[David Marchand]

Hello Leyi, Qi, Ferruh,

On Fri, Oct 23, 2020 at 6:37 AM Leyi Rong <leyi.rong at intel.com> wrote:
> diff --git a/drivers/net/ice/meson.build b/drivers/net/ice/meson.build
> index 254595af85..85e8baf912 100644
> --- a/drivers/net/ice/meson.build
> +++ b/drivers/net/ice/meson.build
> @@ -34,6 +34,17 @@ if arch_subdir == 'x86'
>                                 c_args: [cflags, '-mavx2'])
>                 objs += ice_avx2_lib.extract_objects('ice_rxtx_vec_avx2.c')
>         endif
> +
> +       if dpdk_conf.has('RTE_MACHINE_CPUFLAG_AVX512F') or (not machine_args.contains('-mno-avx512f') and cc.has_argument('-mavx512f'))
> +               cflags += ['-DCC_AVX512_SUPPORT']
> +               ice_avx512_lib = static_library('ice_avx512_lib',
> +                                     'ice_rxtx_vec_avx512.c',
> +                                     dependencies: [static_rte_ethdev,
> +                                       static_rte_kvargs, static_rte_hash],
> +                                     include_directories: includes,
> +                                     c_args: [cflags, '-march=skylake-avx512', '-mavx512f'])
> +               objs += ice_avx512_lib.extract_objects('ice_rxtx_vec_avx512.c')
> +       endif
>  endif
>
>  sources += files('ice_dcf.c',
> --
> 2.17.1
>

RTE_MACHINE_CPUFLAG_AVX512F can be removed.
Worth fixing before hitting the main tree.

Thanks.

-- 
David Marchand