From 57c033bb5400ef19e5952f191da3e878e21bba91 Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Thu, 15 Feb 2018 12:29:44 +0000
Subject: COMPMID-906: Use fused activation in NEON Batch normalization

Change-Id: I5a6413548b2c9b8972c91ddba57395509dffd87e
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/120656
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
---
 arm_compute/core/NEON/wrapper/traits.h | 51 ++++++++++++++++++++--------------
 1 file changed, 30 insertions(+), 21 deletions(-)

(limited to 'arm_compute/core/NEON/wrapper/traits.h')

diff --git a/arm_compute/core/NEON/wrapper/traits.h b/arm_compute/core/NEON/wrapper/traits.h
index 045839cf48..08b2c9b48f 100644
--- a/arm_compute/core/NEON/wrapper/traits.h
+++ b/arm_compute/core/NEON/wrapper/traits.h
@@ -35,31 +35,40 @@ namespace traits
 // *INDENT-OFF*
 // clang-format off
 
+/** 64-bit vector tag */
+struct vector_64_tag {};
+/** 128-bit vector tag */
+struct vector_128_tag {};
+
 /** Create the appropriate NEON vector given its type and size */
 template <typename T, int S> struct neon_vector;
 /** Specializations */
-template <> struct neon_vector<uint8_t, 8>{ using type = uint8x8_t; };
-template <> struct neon_vector<int8_t, 8>{ using type = int8x8_t; };
-template <> struct neon_vector<uint8_t, 16>{ using type = uint8x16_t; };
-template <> struct neon_vector<int8_t, 16>{ using type = int8x16_t; };
-template <> struct neon_vector<uint16_t, 4>{ using type = uint16x4_t; };
-template <> struct neon_vector<int16_t, 4>{ using type = int16x4_t; };
-template <> struct neon_vector<uint16_t, 8>{ using type = uint16x8_t; };
-template <> struct neon_vector<int16_t, 8>{ using type = int16x8_t; };
-template <> struct neon_vector<uint32_t, 2>{ using type = uint32x2_t; };
-template <> struct neon_vector<int32_t, 2>{ using type = int32x2_t; };
-template <> struct neon_vector<uint32_t, 4>{ using type = uint32x4_t; };
-template <> struct neon_vector<int32_t, 4>{ using type = int32x4_t; };
-template <> struct neon_vector<uint64_t, 1>{ using type = uint64x1_t; };
-template <> struct neon_vector<int64_t, 1>{ using type = int64x1_t; };
-template <> struct neon_vector<uint64_t, 2>{ using type = uint64x2_t; };
-template <> struct neon_vector<int64_t, 2>{ using type = int64x2_t; };
-template <> struct neon_vector<float_t, 2>{ using type = float32x2_t; };
-template <> struct neon_vector<float_t, 4>{ using type = float32x4_t; };
+template <> struct neon_vector<uint8_t, 8>{ using type = uint8x8_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<int8_t, 8>{ using type = int8x8_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<uint8_t, 16>{ using type = uint8x16_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<int8_t, 16>{ using type = int8x16_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<uint16_t, 4>{ using type = uint16x4_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<int16_t, 4>{ using type = int16x4_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<uint16_t, 8>{ using type = uint16x8_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<int16_t, 8>{ using type = int16x8_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<uint32_t, 2>{ using type = uint32x2_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<int32_t, 2>{ using type = int32x2_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<uint32_t, 4>{ using type = uint32x4_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<int32_t, 4>{ using type = int32x4_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<uint64_t, 1>{ using type = uint64x1_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<int64_t, 1>{ using type = int64x1_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<uint64_t, 2>{ using type = uint64x2_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<int64_t, 2>{ using type = int64x2_t; using tag_type = vector_128_tag; };
+template <> struct neon_vector<float_t, 2>{ using type = float32x2_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<float_t, 4>{ using type = float32x4_t; using tag_type = vector_128_tag; };
+
+/**  Helper type template to get the type of a neon vector */
 template <typename T, int S> using neon_vector_t = typename neon_vector<T, S>::type;
+/**  Helper type template to get the tag type of a neon vector */
+template <typename T, int S> using neon_vector_tag_t = typename neon_vector<T, S>::tag_type;
 // clang-format on
 // *INDENT-ON*
-}
-}
-}
+} // namespace traits
+} // namespace wrapper
+} // namespace arm_compute
 #endif /* __ARM_COMPUTE_WRAPPER_TRAITS_H__ */
-- 
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