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-rw-r--r--src/vppinfra/vector_neon.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/vppinfra/vector_neon.h b/src/vppinfra/vector_neon.h
index 6a3e64e946d..6ca9c0b90a0 100644
--- a/src/vppinfra/vector_neon.h
+++ b/src/vppinfra/vector_neon.h
@@ -21,6 +21,30 @@
#define u16x8_sub_saturate(a,b) vsubq_u16(a,b)
#define i16x8_sub_saturate(a,b) vsubq_s16(a,b)
+always_inline int
+u8x16_is_all_zero (u8x16 x)
+{
+ return !(vaddvq_u8 (x));
+}
+
+always_inline int
+u16x8_is_all_zero (u16x8 x)
+{
+ return !(vaddvq_u16 (x));
+}
+
+always_inline int
+u32x4_is_all_zero (u32x4 x)
+{
+ return !(vaddvq_u32 (x));
+}
+
+always_inline int
+u64x2_is_all_zero (u64x2 x)
+{
+ return !(vaddvq_u64 (x));
+}
+
/* Converts all ones/zeros compare mask to bitmap. */
always_inline u32
u8x16_compare_byte_mask (u8x16 x)