Re: [dpdk-dev] [PATCH v6 1/8] eal/x86: introduce AVX 512-bit type
From: Medvedkin, Vladimir <hidden>
Date: 2020-07-13 11:44:34
On 13/07/2020 12:33, David Marchand wrote:
On Mon, Jul 13, 2020 at 1:11 PM Vladimir Medvedkin [off-list ref] wrote:quoted
New data type to manipulate 512 bit AVX values. Signed-off-by: Vladimir Medvedkin <redacted> Acked-by: Konstantin Ananyev <redacted> --- 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)
Oh, thanks!
quoted
+ +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
-- Regards, Vladimir