COMPMID-3176: Remove padding from NEArithmeticSubtractionKernel

COMPMID-3487: Refactor NEArithmeticSubtractionKernel

Refactored code in order to remove paddings. This resulted in
a big increase in libary size so after some rework the total size
dropped by 4Kb.

Change-Id: I4e3014c2ae49c29c6090b195ea16620afcf6c09f
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3206
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/arm_compute/core/NEON/wrapper/intrinsics/qmov.h b/arm_compute/core/NEON/wrapper/intrinsics/qmov.h
new file mode 100644
index 0000000000..bb64bef1e9
--- /dev/null
+++ b/arm_compute/core/NEON/wrapper/intrinsics/qmov.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2020 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_WRAPPER_QMOV_H
+#define ARM_COMPUTE_WRAPPER_QMOV_H
+
+#include <arm_neon.h>
+
+namespace arm_compute
+{
+namespace wrapper
+{
+template <typename T>
+inline typename std::enable_if<std::is_same<T, uint8_t>::value, uint8x8_t>::type
+vqmov(const int16x8_t &a)
+{
+    return vqmovun_s16(a);
+}
+
+template <typename T>
+inline typename std::enable_if<std::is_same<T, int8_t>::value, int8x8_t>::type
+vqmov(const int16x8_t &a)
+{
+    return vqmovn_s16(a);
+}
+
+} // namespace wrapper
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_WRAPPER_QMOV_H */