[dpdk-dev] [PATCH v2 2/3] eal/acl: enable acl for armv7-a

Jianbo Liu jianbo.liu at linaro.org
Tue Dec 8 02:50:25 CET 2015


On 8 December 2015 at 09:18, Thomas Monjalon <thomas.monjalon at 6wind.com> wrote:
> 2015-12-03 23:02, Jianbo Liu:
>> -ifeq ($(CONFIG_RTE_ARCH_ARM64),y)
>> +ifneq ($(filter y,$(CONFIG_RTE_ARCH_ARM) $(CONFIG_RTE_ARCH_ARM64)),)
> [...]
>> +#ifdef RTE_ARCH_ARM
>> +/* NEON intrinsic vqtbl1q_u8() is not supported in ARMv7-A(AArch32) */
>
> I'm convinced there is a good reason why ARMv8 is also called ARCH_ARM64,
> and ARMv7 may be called AArch32 or ARCH_ARM. But I don't know why?
>
https://lkml.org/lkml/2012/7/15/133

> Is ARCH_ARM32 or ARCH_ARMv7 too simple?
> Is it possible to have a 32-bit ARMv8?
Yes, ARMv8-R/M


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