Add utility functions for SVE

- Few bit-width dependent intrinsics are added.
- Few math functions are added.

Partially implements: COMPMID-3872

Change-Id: Ia6ab46bd170fec9c7c8d4410b7ef4d84710b68ed
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4718
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/wrapper/intrinsics/svlog.h b/src/core/NEON/wrapper/intrinsics/svlog.h
new file mode 100644
index 0000000..5b505ae
--- /dev/null
+++ b/src/core/NEON/wrapper/intrinsics/svlog.h
@@ -0,0 +1,47 @@
+/*
+ * 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 SRC_CORE_NEON_WRAPPER_INTRINSICS_SVLOG_H
+#define SRC_CORE_NEON_WRAPPER_INTRINSICS_SVLOG_H
+#if defined(__ARM_FEATURE_SVE)
+#include "src/core/NEON/SVEMath.h"
+#include <arm_sve.h>
+
+namespace arm_compute
+{
+namespace wrapper
+{
+#define SVLOG_IMPL(vtype, postfix)                    \
+    inline vtype svlog_z(svbool_t pg, const vtype &a) \
+    {                                                 \
+        return svlog_##postfix##_z(pg, a);            \
+    }
+
+SVLOG_IMPL(svfloat32_t, f32)
+SVLOG_IMPL(svfloat16_t, f16)
+
+#undef SVLOG_IMPL
+} // namespace wrapper
+} // namespace arm_compute
+#endif /* defined(__ARM_FEATURE_SVE) */
+#endif /* SRC_CORE_NEON_WRAPPER_INTRINSICS_SVLOG_H */
\ No newline at end of file