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Disable vector code in vlib_buffer_enqueue_to_next if no msb mask function

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This fixes ARM64 build where we dont have defined u16x8_msb_mask(...)

Change-Id: I864f5134a0d951601810c800f587d173b3b7ef41
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2018-05-19 10:27:10 +02:00
committed by Damjan Marion
parent a849b7b508
commit 398fdc1a87
2 changed files with 3 additions and 1 deletions
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2
src/vlib/buffer_node.h
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@ -359,7 +359,7 @@ vlib_buffer_enqueue_to_next (vlib_main_t * vm, vlib_node_runtime_t * node,
next16 = (next16 == u16x16_splat (next16[0]));
u64 bitmap = u8x32_msb_mask ((u8x32) next16);
n_enqueued = count_trailing_zeros (~bitmap) / 2;
#elif defined(CLIB_HAVE_VEC128)
#elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_MSB_MASK)
u16x8 next8 = u16x8_load_unaligned (nexts);
next8 = (next8 == u16x8_splat (next8[0]));
u64 bitmap = u8x16_msb_mask ((u8x16) next8);

2
src/vppinfra/vector_sse42.h
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@ -580,6 +580,8 @@ u8x16_msb_mask (u8x16 v)
return _mm_movemask_epi8 ((__m128i) v);
}
#define CLIB_HAVE_VEC128_MSB_MASK
#undef _signed_binop
#endif /* included_vector_sse2_h */