void test_vreinterpretQu64_u8 (void)
{
uint64x2_t out_uint64x2_t;
uint8x16_t arg0_uint8x16_t;
out_uint64x2_t = vreinterpretq_u64_u8 (arg0_uint8x16_t);
}
/* virtio vPMD receive routine, only accept(nb_pkts >= RTE_VIRTIO_DESC_PER_LOOP)
*
* This routine is for non-mergeable RX, one desc for each guest buffer.
* This routine is based on the RX ring layout optimization. Each entry in the
* avail ring points to the desc with the same index in the desc ring and this
* will never be changed in the driver.
*
* - nb_pkts < RTE_VIRTIO_DESC_PER_LOOP, just return no packet
*/
uint16_t
virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
struct virtnet_rx *rxvq = rx_queue;
struct virtqueue *vq = rxvq->vq;
uint16_t nb_used;
uint16_t desc_idx;
struct vring_used_elem *rused;
struct rte_mbuf **sw_ring;
struct rte_mbuf **sw_ring_end;
uint16_t nb_pkts_received;
uint8x16_t shuf_msk1 = {
0xFF, 0xFF, 0xFF, 0xFF, /* packet type */
4, 5, 0xFF, 0xFF, /* pkt len */
4, 5, /* dat len */
0xFF, 0xFF, /* vlan tci */
0xFF, 0xFF, 0xFF, 0xFF
};
uint8x16_t shuf_msk2 = {
0xFF, 0xFF, 0xFF, 0xFF, /* packet type */
12, 13, 0xFF, 0xFF, /* pkt len */
12, 13, /* dat len */
0xFF, 0xFF, /* vlan tci */
0xFF, 0xFF, 0xFF, 0xFF
};
/* Subtract the header length.
* In which case do we need the header length in used->len ?
*/
uint16x8_t len_adjust = {
0, 0,
(uint16_t)vq->hw->vtnet_hdr_size, 0,
(uint16_t)vq->hw->vtnet_hdr_size,
0,
0, 0
};
if (unlikely(nb_pkts < RTE_VIRTIO_DESC_PER_LOOP))
return 0;
nb_used = VIRTQUEUE_NUSED(vq);
rte_rmb();
if (unlikely(nb_used == 0))
return 0;
nb_pkts = RTE_ALIGN_FLOOR(nb_pkts, RTE_VIRTIO_DESC_PER_LOOP);
nb_used = RTE_MIN(nb_used, nb_pkts);
desc_idx = (uint16_t)(vq->vq_used_cons_idx & (vq->vq_nentries - 1));
rused = &vq->vq_ring.used->ring[desc_idx];
sw_ring = &vq->sw_ring[desc_idx];
sw_ring_end = &vq->sw_ring[vq->vq_nentries];
rte_prefetch_non_temporal(rused);
if (vq->vq_free_cnt >= RTE_VIRTIO_VPMD_RX_REARM_THRESH) {
virtio_rxq_rearm_vec(rxvq);
if (unlikely(virtqueue_kick_prepare(vq)))
virtqueue_notify(vq);
}
for (nb_pkts_received = 0;
nb_pkts_received < nb_used;) {
uint64x2_t desc[RTE_VIRTIO_DESC_PER_LOOP / 2];
uint64x2_t mbp[RTE_VIRTIO_DESC_PER_LOOP / 2];
uint64x2_t pkt_mb[RTE_VIRTIO_DESC_PER_LOOP];
mbp[0] = vld1q_u64((uint64_t *)(sw_ring + 0));
desc[0] = vld1q_u64((uint64_t *)(rused + 0));
vst1q_u64((uint64_t *)&rx_pkts[0], mbp[0]);
mbp[1] = vld1q_u64((uint64_t *)(sw_ring + 2));
desc[1] = vld1q_u64((uint64_t *)(rused + 2));
vst1q_u64((uint64_t *)&rx_pkts[2], mbp[1]);
mbp[2] = vld1q_u64((uint64_t *)(sw_ring + 4));
desc[2] = vld1q_u64((uint64_t *)(rused + 4));
vst1q_u64((uint64_t *)&rx_pkts[4], mbp[2]);
mbp[3] = vld1q_u64((uint64_t *)(sw_ring + 6));
desc[3] = vld1q_u64((uint64_t *)(rused + 6));
vst1q_u64((uint64_t *)&rx_pkts[6], mbp[3]);
pkt_mb[1] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[0]), shuf_msk2));
pkt_mb[0] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[0]), shuf_msk1));
pkt_mb[1] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[1]), len_adjust));
pkt_mb[0] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[0]), len_adjust));
vst1q_u64((void *)&rx_pkts[1]->rx_descriptor_fields1,
pkt_mb[1]);
vst1q_u64((void *)&rx_pkts[0]->rx_descriptor_fields1,
pkt_mb[0]);
pkt_mb[3] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[1]), shuf_msk2));
pkt_mb[2] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[1]), shuf_msk1));
pkt_mb[3] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[3]), len_adjust));
pkt_mb[2] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[2]), len_adjust));
vst1q_u64((void *)&rx_pkts[3]->rx_descriptor_fields1,
pkt_mb[3]);
vst1q_u64((void *)&rx_pkts[2]->rx_descriptor_fields1,
pkt_mb[2]);
pkt_mb[5] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[2]), shuf_msk2));
pkt_mb[4] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[2]), shuf_msk1));
pkt_mb[5] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[5]), len_adjust));
pkt_mb[4] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[4]), len_adjust));
vst1q_u64((void *)&rx_pkts[5]->rx_descriptor_fields1,
pkt_mb[5]);
vst1q_u64((void *)&rx_pkts[4]->rx_descriptor_fields1,
pkt_mb[4]);
pkt_mb[7] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[3]), shuf_msk2));
pkt_mb[6] = vreinterpretq_u64_u8(vqtbl1q_u8(
vreinterpretq_u8_u64(desc[3]), shuf_msk1));
pkt_mb[7] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[7]), len_adjust));
pkt_mb[6] = vreinterpretq_u64_u16(vsubq_u16(
vreinterpretq_u16_u64(pkt_mb[6]), len_adjust));
vst1q_u64((void *)&rx_pkts[7]->rx_descriptor_fields1,
pkt_mb[7]);
vst1q_u64((void *)&rx_pkts[6]->rx_descriptor_fields1,
pkt_mb[6]);
if (unlikely(nb_used <= RTE_VIRTIO_DESC_PER_LOOP)) {
if (sw_ring + nb_used <= sw_ring_end)
nb_pkts_received += nb_used;
else
nb_pkts_received += sw_ring_end - sw_ring;
break;
} else {
if (unlikely(sw_ring + RTE_VIRTIO_DESC_PER_LOOP >=
sw_ring_end)) {
nb_pkts_received += sw_ring_end - sw_ring;
break;
} else {
nb_pkts_received += RTE_VIRTIO_DESC_PER_LOOP;
rx_pkts += RTE_VIRTIO_DESC_PER_LOOP;
sw_ring += RTE_VIRTIO_DESC_PER_LOOP;
rused += RTE_VIRTIO_DESC_PER_LOOP;
nb_used -= RTE_VIRTIO_DESC_PER_LOOP;
}
}
}
vq->vq_used_cons_idx += nb_pkts_received;
vq->vq_free_cnt += nb_pkts_received;
rxvq->stats.packets += nb_pkts_received;
return nb_pkts_received;
}
void vp9_tm_predictor_32x32_neon(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
int j, k;
uint16x8_t q0u16, q3u16, q8u16, q9u16, q10u16, q11u16;
uint8x16_t q0u8, q1u8, q2u8;
int16x8_t q12s16, q13s16, q14s16, q15s16;
uint16x4_t d6u16;
uint8x8_t d0u8, d1u8, d2u8, d3u8, d26u8;
q0u8 = vld1q_dup_u8(above - 1);
q1u8 = vld1q_u8(above);
q2u8 = vld1q_u8(above + 16);
q8u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q0u8));
q9u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q0u8));
q10u16 = vsubl_u8(vget_low_u8(q2u8), vget_low_u8(q0u8));
q11u16 = vsubl_u8(vget_high_u8(q2u8), vget_high_u8(q0u8));
for (k = 0; k < 4; k++, left += 8) {
d26u8 = vld1_u8(left);
q3u16 = vmovl_u8(d26u8);
d6u16 = vget_low_u16(q3u16);
for (j = 0; j < 2; j++, d6u16 = vget_high_u16(q3u16)) {
q0u16 = vdupq_lane_u16(d6u16, 0);
q12s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q8u16));
q13s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q9u16));
q14s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q10u16));
q15s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q11u16));
d0u8 = vqmovun_s16(q12s16);
d1u8 = vqmovun_s16(q13s16);
d2u8 = vqmovun_s16(q14s16);
d3u8 = vqmovun_s16(q15s16);
q0u8 = vcombine_u8(d0u8, d1u8);
q1u8 = vcombine_u8(d2u8, d3u8);
vst1q_u64((uint64_t *)dst, vreinterpretq_u64_u8(q0u8));
vst1q_u64((uint64_t *)(dst + 16), vreinterpretq_u64_u8(q1u8));
dst += stride;
q0u16 = vdupq_lane_u16(d6u16, 1);
q12s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q8u16));
q13s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q9u16));
q14s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q10u16));
q15s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q11u16));
d0u8 = vqmovun_s16(q12s16);
d1u8 = vqmovun_s16(q13s16);
d2u8 = vqmovun_s16(q14s16);
d3u8 = vqmovun_s16(q15s16);
q0u8 = vcombine_u8(d0u8, d1u8);
q1u8 = vcombine_u8(d2u8, d3u8);
vst1q_u64((uint64_t *)dst, vreinterpretq_u64_u8(q0u8));
vst1q_u64((uint64_t *)(dst + 16), vreinterpretq_u64_u8(q1u8));
dst += stride;
q0u16 = vdupq_lane_u16(d6u16, 2);
q12s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q8u16));
q13s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q9u16));
q14s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q10u16));
q15s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q11u16));
d0u8 = vqmovun_s16(q12s16);
d1u8 = vqmovun_s16(q13s16);
d2u8 = vqmovun_s16(q14s16);
d3u8 = vqmovun_s16(q15s16);
q0u8 = vcombine_u8(d0u8, d1u8);
q1u8 = vcombine_u8(d2u8, d3u8);
vst1q_u64((uint64_t *)dst, vreinterpretq_u64_u8(q0u8));
vst1q_u64((uint64_t *)(dst + 16), vreinterpretq_u64_u8(q1u8));
dst += stride;
q0u16 = vdupq_lane_u16(d6u16, 3);
q12s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q8u16));
q13s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q9u16));
q14s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q10u16));
q15s16 = vaddq_s16(vreinterpretq_s16_u16(q0u16),
vreinterpretq_s16_u16(q11u16));
d0u8 = vqmovun_s16(q12s16);
d1u8 = vqmovun_s16(q13s16);
d2u8 = vqmovun_s16(q14s16);
d3u8 = vqmovun_s16(q15s16);
q0u8 = vcombine_u8(d0u8, d1u8);
q1u8 = vcombine_u8(d2u8, d3u8);
vst1q_u64((uint64_t *)dst, vreinterpretq_u64_u8(q0u8));
vst1q_u64((uint64_t *)(dst + 16), vreinterpretq_u64_u8(q1u8));
dst += stride;
}
}
}
