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authorSirshak Das <sirshak.das@arm.com>2018-08-22 14:04:33 +0800
committerDamjan Marion <dmarion@me.com>2018-09-11 08:39:49 +0000
commit8e5d5db24ed72da265cda75bb3f23d35530109e8 (patch)
tree649b1bef1b557c9ae8d0169162caa021cf310b0e
parent61f325d195976cafac2cae2619b259c1f0013596 (diff)
Add u32x4_extend_to_u64x2 for aarch64 using NEON intrinsics
This is used in vlib_get_buffers_with_offset. Change-Id: If4ff776bc97d21a22e870300b164eeb6a5ec3638 Signed-off-by: Sirshak Das <sirshak.das@arm.com> Reviewed-by: Steve Capper <steve.capper@arm.com> Reviewed-by: Brian Brooks <brian.brooks@arm.com> Reviewed-by: Yi He <yi.he@arm.com> Verified-by: Lijian Zhang <lijian.zhang@arm.com>
-rw-r--r--src/vppinfra/vector_neon.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vppinfra/vector_neon.h b/src/vppinfra/vector_neon.h
index adea39a14ec..2c3578c1f35 100644
--- a/src/vppinfra/vector_neon.h
+++ b/src/vppinfra/vector_neon.h
@@ -140,6 +140,12 @@ u32x4_hadd (u32x4 v1, u32x4 v2)
return (u32x4) vpaddq_u32 (v1, v2);
}
+static_always_inline u64x2
+u32x4_extend_to_u64x2 (u32x4 v)
+{
+ return vmovl_u32 (vget_low_u32 (v));
+}
+
#define CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE
#define CLIB_VEC128_SPLAT_DEFINED
#endif /* included_vector_neon_h */