[dpdk-dev] [PATCH v5 1/8] eal/x86: introduce AVX 512-bit type
Medvedkin, Vladimir
vladimir.medvedkin at intel.com
Mon Jul 13 12:39:01 CEST 2020
On 13/07/2020 11:25, Thomas Monjalon wrote:
> 13/07/2020 12:23, Medvedkin, Vladimir:
>> Hi Thomas,
>>
>> On 10/07/2020 22:49, Thomas Monjalon wrote:
>>> Please Cc those who participated in the review previously.
>>> Adding Ray, Jerin, David.
>>>
>>> 10/07/2020 16:46, Vladimir Medvedkin:
>>>> + __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__ */
>>>
>>> You were supposed to undef the macros above.
>>
>> It was intentional. It could be used later by other libs, like XMM_SIZE:
>> git grep -lw XMM_SIZE
>> lib/librte_acl/acl_gen.c
>> lib/librte_acl/acl_run.h
>> lib/librte_acl/rte_acl.h
>> lib/librte_eal/arm/include/rte_vect.h
>> lib/librte_eal/ppc/include/rte_vect.h
>> lib/librte_eal/x86/include/rte_vect.h
>> lib/librte_hash/rte_thash.h
>
> OK. Was it agreed with David to NOT undef?
> I may have missed this part.
>
As I can understand David had no objections to export it. I think it
could be useful for some libs to have those macros. Please correct me if
I'm wrong.
>
--
Regards,
Vladimir
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