[dpdk-dev] [PATCH v6 1/8] eal/x86: introduce AVX 512-bit type

[David Marchand]

On Mon, Jul 13, 2020 at 1:11 PM Vladimir Medvedkin
<vladimir.medvedkin at intel.com> wrote:
>
> New data type to manipulate 512 bit AVX values.
>
> Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin at intel.com>
> Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
> ---
>  lib/librte_eal/x86/include/rte_vect.h | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>
> diff --git a/lib/librte_eal/x86/include/rte_vect.h b/lib/librte_eal/x86/include/rte_vect.h
> index df5a60762..30dcfd5e7 100644
> --- a/lib/librte_eal/x86/include/rte_vect.h
> +++ b/lib/librte_eal/x86/include/rte_vect.h
> @@ -13,6 +13,7 @@
>
>  #include <stdint.h>
>  #include <rte_config.h>
> +#include <rte_common.h>
>  #include "generic/rte_vect.h"
>
>  #if (defined(__ICC) || \
> @@ -90,6 +91,24 @@ __extension__ ({                 \
>  })
>  #endif /* (defined(__ICC) && __ICC < 1210) */
>
> +#ifdef __AVX512F__
> +
> +#define RTE_X86_ZMM_SIZE       (sizeof(__m512i))
> +#define RTE_X86_ZMM_MASK       (ZMM_SIZE - 1)

Please fix:
#define RTE_X86_ZMM_MASK       (RTE_X86_ZMM_SIZE - 1)


> +
> +typedef union __rte_x86_zmm {
> +       __m512i  z;
> +       ymm_t    y[RTE_X86_ZMM_SIZE / sizeof(ymm_t)];
> +       xmm_t    x[RTE_X86_ZMM_SIZE / sizeof(xmm_t)];
> +       uint8_t  u8[RTE_X86_ZMM_SIZE / sizeof(uint8_t)];
> +       uint16_t u16[RTE_X86_ZMM_SIZE / sizeof(uint16_t)];
> +       uint32_t u32[RTE_X86_ZMM_SIZE / sizeof(uint32_t)];
> +       uint64_t u64[RTE_X86_ZMM_SIZE / sizeof(uint64_t)];
> +       double   pd[RTE_X86_ZMM_SIZE / sizeof(double)];
> +} __rte_aligned(RTE_X86_ZMM_SIZE) __rte_x86_zmm_t;
> +
> +#endif /* __AVX512F__ */
> +
>  #ifdef __cplusplus
>  }
>  #endif
> --
> 2.17.1
>