From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v2 2/3] eal/acl: enable acl for armv7-a Date: Tue, 08 Dec 2015 03:23:41 +0100 Message-ID: <4116700.gN3RbU5N65@xps13> References: <1448995276-9599-1-git-send-email-jianbo.liu@linaro.org> <5439330.ZDtZO93Tq2@xps13> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: Jianbo Liu Return-path: Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) by dpdk.org (Postfix) with ESMTP id 185BC11C5 for ; Tue, 8 Dec 2015 03:24:54 +0100 (CET) Received: by wmec201 with SMTP id c201so192727615wme.0 for ; Mon, 07 Dec 2015 18:24:54 -0800 (PST) In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2015-12-08 09:50, Jianbo Liu: > On 8 December 2015 at 09:18, Thomas Monjalon 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 So what does mean CONFIG_RTE_ARCH_ARM? ARMv7? ARM32? Please consider a renaming.