commit f540eb8111ce5d241111da487be7d817661e29b4
author Teresa Charlin <teresa.charlinreyes@arm.com> Fri Apr 10 19:24:55 2020 +0100
committer TeresaARM <teresa.charlinreyes@arm.com> Fri May 29 16:21:58 2020 +0000
tree 6a22c7f0076cce9a0e304120d5b1f4c0d1b4cfc0
parent 3940d8bfcaad963e95b882984a93ccd69455822a

IVGCVSW-3846 Add NEON GATHER Workload

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: I1a66fdad63cef16866d9dfcb8a339647f856e1d4

src/backends/aclCommon/ArmComputeUtils.hpp

diff --git a/src/backends/aclCommon/ArmComputeUtils.hpp b/src/backends/aclCommon/ArmComputeUtils.hpp
index d8818ce..0ee13b3 100644
--- a/src/backends/aclCommon/ArmComputeUtils.hpp
+++ b/src/backends/aclCommon/ArmComputeUtils.hpp
@@ -186,4 +186,19 @@
     return splitAxis;
 }
 
+/// Function to convert ArmNN axis (left to right) to ACL axis (right to left) ranging from [-dim, dim)
+inline int ComputeAclAxis(const int& armnnAxis, const armnn::TensorInfo& tensor)
+{
+    int dim = static_cast<int>(tensor.GetNumDimensions());
+
+    ARMNN_ASSERT(dim != 0);
+    ARMNN_ASSERT((-1 * dim) <= armnnAxis);
+    ARMNN_ASSERT(armnnAxis < dim);
+
+    int sign = (armnnAxis < 0) ? -1 : 1;
+    int aclAxis = sign * dim - 1  - armnnAxis;
+
+    return aclAxis;
+}
+
 } // namespace armnn