Enable quantized data types for CpuElementwiseUnary on Armv7a

- Adding fallback functions neon_qasymm8_signed_elementwise_unary() and
  neon_qasymm8_elementwise_unary()
- They would be called in case target is not aarch64

Resolves: COMPMID-5994
Change-Id: Id0db1e7cb0fe92f1eaef0b3a9ed2bea01b3f2a15
Signed-off-by: Ramy Elgammal <ramy.elgammal@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9416
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/cpu/kernels/elementwise_unary/generic/neon/qasymm8_signed.cpp b/src/cpu/kernels/elementwise_unary/generic/neon/qasymm8_signed.cpp
new file mode 100644
index 0000000000..e00970a1e0
--- /dev/null
+++ b/src/cpu/kernels/elementwise_unary/generic/neon/qasymm8_signed.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 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.
+ */
+
+#include "arm_compute/core/Window.h"
+#include "src/cpu/kernels/elementwise_unary/generic/neon/impl.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+#ifndef __aarch64__
+// Fallback function to be used for armv7a, for aarch64 LUT is used
+void neon_qasymm8_signed_elementwise_unary(const ITensor *in, ITensor *out, const Window &window, ElementWiseUnary op, const uint8_t *lut)
+{
+    ARM_COMPUTE_UNUSED(lut);
+    return elementwise_op<int8_t>(in, out, window, op);
+}
+#endif // #ifndef __aarch64__
+
+} // namespace cpu
+} // namespace arm_compute