[dpdk-dev] [PATCH] eal/armv7: emulate vaddvq u16 variant

Thomas Monjalon thomas at monjalon.net
Mon Jul 10 09:28:47 CEST 2017


10/07/2017 05:51, Jianbo Liu:
> On 9 July 2017 at 01:08, Thomas Monjalon <thomas at monjalon.net> wrote:
> > 07/07/2017 18:26, Jerin Jacob:
> >> vaddvq_u16() is not available for armv7.
> >> Emulate the vaddvq_u16() using armv7 NEON intrinsics.
> >
> > After implementing this function, another missing function appears:
> >
> >         lib/librte_sched/rte_sched.c:1747:7: error:
> >         implicit declaration of function ‘vminvq_u32’
> 
> But sched_vector is disabled in defconfig_arm-armv7a-linuxapp-gcc:
>     CONFIG_RTE_SCHED_VECTOR=n

Yes, I really need to fix test-build.sh which is enabling SCHED_VECTOR.

So with this patch, the error remains:
examples/l3fwd/l3fwd_neon.h:113:6: error:
implicit declaration of function ‘vaddvq_u16’
  v = vaddvq_u16(dp1);
      ^~~~~~~~~~

We need to include rte_vect.h.


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