[dpdk-dev] [dpdk-stable] [PATCH v1] net/virtio: fix compiling issue for vectorized NEON path

[David Marchand]

On Tue, Jan 26, 2021 at 10:20 AM Joyce Kong <joyce.kong at arm.com> wrote:
>
> In file included from ../drivers/net/virtio/virtio_rxtx_packed.c:22:0:
> ../drivers/net/virtio/virtio_rxtx_packed_neon.h: In function
> ‘virtqueue_enqueue_batch_packed_vec’:
> ../drivers/net/virtio/virtio_rxtx_packed_neon.h:74:2: warning:
> implicit declaration of function ‘vreinterpretq_p128_u32’
> [-Wimplicit-function-declaration]
> poly128_t cmp1 = vreinterpretq_p128_u32(~vceqq_u32(ref_seg, def_ref_seg));
> ^
>
> The message shows ‘vreinterpretq_p128_u32’ instrisic is not supported

intrinsic*

> because an old version gcc (gcc 4.8.5) was used. So fix the issue with
> implementing the logic with other intrinsics.
>
> Bugzilla ID: 621
> Fixes: 530887469350 ("net/virtio: add vectorized packed ring NEON Tx")
> Fixes: 5971ce5e2a59 ("net/virtio: add vectorized packed ring NEON Rx")
> Cc: stable at dpdk.org

No reason to copy stable at dpdk.org.

Cc: reporter.

-- 
David Marchand