[dpdk-dev] [Bug 621] [aarch64] build failure in vhost/virtio

[dpdk-dev] [Bug 621] [aarch64] build failure in vhost/virtio

[bugzilla]

https://bugs.dpdk.org/show_bug.cgi?id=621

            Bug ID: 621
           Summary: [aarch64] build failure in vhost/virtio
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: vhost/virtio
          Assignee: dev@dpdk.org
          Reporter: subhim@nvidia.com
  Target Milestone: ---

$ meson build -Ddisable_drivers='event/octeontx2' && ninja -C build
```
ninja: Entering directory `build'
[1787/2495] Compiling C object
'drivers/drivers@@tmp_rte_net_virtio@sta/net_virtio_virtio_rxtx_packed.c.o'.
FAILED:
drivers/drivers@@tmp_rte_net_virtio@sta/net_virtio_virtio_rxtx_packed.c.o 
cc -Idrivers/drivers@@tmp_rte_net_virtio@sta -Idrivers -I../drivers
-Idrivers/net/virtio -I../drivers/net/virtio -Ilib/librte_ethdev
-I../lib/librte_ethdev -I. -I../ -Iconfig -I../config -Ilib/librte_eal/include
-I../lib/librte_eal/include -Ilib/librte_eal/linux/include
-I../lib/librte_eal/linux/include -Ilib/librte_eal/arm/include
-I../lib/librte_eal/arm/include -Ilib/librte_eal/common
-I../lib/librte_eal/common -Ilib/librte_eal -I../lib/librte_eal
-Ilib/librte_kvargs -I../lib/librte_kvargs
-Ilib/librte_telemetry/../librte_metrics
-I../lib/librte_telemetry/../librte_metrics -Ilib/librte_telemetry
-I../lib/librte_telemetry -Ilib/librte_net -I../lib/librte_net
-Ilib/librte_mbuf -I../lib/librte_mbuf -Ilib/librte_mempool
-I../lib/librte_mempool -Ilib/librte_ring -I../lib/librte_ring
-Ilib/librte_meter -I../lib/librte_meter -Idrivers/bus/pci -I../drivers/bus/pci
-I../drivers/bus/pci/linux -Ilib/librte_pci -I../lib/librte_pci
-Idrivers/bus/vdev -I../drivers/bus/vdev -pipe -D_FILE_OFFSET_BITS=64 -Wall
-Winvalid-pch -O3 -include rte_config.h -Wextra -Wcast-qual -Wdeprecated
-Wformat -Wformat-nonliteral -Wformat-security -Wmissing-declarations
-Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpointer-arith
-Wsign-compare -Wstrict-prototypes -Wundef -Wwrite-strings
-Wno-missing-field-initializers -D_GNU_SOURCE -fPIC -DALLOW_EXPERIMENTAL_API
-DALLOW_INTERNAL_API  -MD -MQ
'drivers/drivers@@tmp_rte_net_virtio@sta/net_virtio_virtio_rxtx_packed.c.o' -MF
'drivers/drivers@@tmp_rte_net_virtio@sta/net_virtio_virtio_rxtx_packed.c.o.d'
-o 'drivers/drivers@@tmp_rte_net_virtio@sta/net_virtio_virtio_rxtx_packed.c.o'
-c ../drivers/net/virtio/virtio_rxtx_packed.c
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));
  ^
../drivers/net/virtio/virtio_rxtx_packed_neon.h:74:2: warning: nested extern
declaration of ‘vreinterpretq_p128_u32’ [-Wnested-externs]
../drivers/net/virtio/virtio_rxtx_packed_neon.h:74:19: error: incompatible
types when initializing type ‘poly128_t’ using type ‘int’
  poly128_t cmp1 = vreinterpretq_p128_u32(~vceqq_u32(ref_seg, def_ref_seg));
                   ^
In file included from ../lib/librte_eal/arm/include/rte_atomic_64.h:18:0,
                 from ../lib/librte_eal/arm/include/rte_atomic.h:9,
                 from ../lib/librte_eal/include/generic/rte_pause.h:19,
                 from ../lib/librte_eal/arm/include/rte_pause_64.h:19,
                 from ../lib/librte_eal/arm/include/rte_pause.h:13,
                 from ../lib/librte_eal/include/generic/rte_spinlock.h:25,
                 from ../lib/librte_eal/arm/include/rte_spinlock.h:17,
                 from ../lib/librte_mempool/rte_mempool.h:44,
                 from ../lib/librte_mbuf/rte_mbuf.h:38,
                 from ../lib/librte_net/rte_ip.h:24,
                 from ../lib/librte_net/rte_net.h:12,
                 from ../drivers/net/virtio/virtio_rxtx_packed.c:11:
../lib/librte_eal/include/rte_branch_prediction.h:38:39: error: wrong type
argument to unary exclamation mark
 #define unlikely(x) __builtin_expect(!!(x), 0)
                                       ^
../drivers/net/virtio/virtio_rxtx_packed_neon.h:75:6: note: in expansion of
macro ‘unlikely’
  if (unlikely(cmp1))
      ^
In file included from ../drivers/net/virtio/virtio_rxtx_packed.c:22:0:
../drivers/net/virtio/virtio_rxtx_packed_neon.h: In function
‘virtqueue_dequeue_batch_packed_vec’:
../drivers/net/virtio/virtio_rxtx_packed_neon.h:228:25: error: incompatible
types when initializing type ‘poly128_t’ using type ‘int’
  poly128_t desc_stats = vreinterpretq_p128_u32(~vceqq_u32(v_flag,
v_used_flag));
                         ^
../drivers/net/virtio/virtio_rxtx_packed_neon.h:231:6: error: used vector type
where scalar is required
  if (desc_stats)
      ^
../drivers/net/virtio/virtio_rxtx_packed_neon.h:228:12: warning: variable
‘desc_stats’ set but not used [-Wunused-but-set-variable]
  poly128_t desc_stats = vreinterpretq_p128_u32(~vceqq_u32(v_flag,
v_used_flag));

```
OS: 
gcc version 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC)

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