COMPMID-3870: Create ActivationLayer SVE/SVE2

Adds support for ActivationLayer for SVE and SVE2.
Datatypes supported:
*FP32
*FP16
*QASYMM8
*QASYMM8_SIGNED
*QSYMM16

Change-Id: Ia3583891795cda4ca2f9fa27c440731a5c27710d
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4566
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/common/Registrars.h b/src/core/common/Registrars.h
index dcea3e8..649fe46 100644
--- a/src/core/common/Registrars.h
+++ b/src/core/common/Registrars.h
@@ -24,34 +24,63 @@
 #ifndef SRC_CORE_COMMON_REGISTRARS_H
 #define SRC_CORE_COMMON_REGISTRARS_H
 
-#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS)
+#if defined(ENABLE_FP16_KERNELS)
+
+#if defined(__ARM_FEATURE_SVE)
+#define REGISTER_FP16_SVE(func_name) &(func_name)
+#else /* !defined(__ARM_FEATURE_SVE) */
+#define REGISTER_FP16_SVE(func_name) nullptr
+#endif /* defined(__ARM_FEATURE_SVE) */
+
+#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)
 #define REGISTER_FP16_NEON(func_name) &(func_name)
-#else /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */
+#else /* !defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) */
 #define REGISTER_FP16_NEON(func_name) nullptr
+#endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) */
+
+#else /* !defined(ENABLE_FP16_KERNELS) */
+#define REGISTER_FP16_NEON(func_name) nullptr
+#define REGISTER_FP16_SVE(func_name) nullptr
 #endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */
 
 #if defined(ENABLE_FP32_KERNELS)
+#if defined(__ARM_FEATURE_SVE)
+#define REGISTER_FP32_SVE(func_name) &(func_name)
+#endif /* defined(__ARM_FEATURE_SVE) */
 #define REGISTER_FP32_NEON(func_name) &(func_name)
 #else /* defined(ENABLE_FP32_KERNELS) */
 #define REGISTER_FP32_NEON(func_name) nullptr
+#define REGISTER_FP32_SVE(func_name) nullptr
 #endif /* defined(ENABLE_FP32_KERNELS) */
 
 #if defined(ENABLE_QASYMM8_SIGNED_KERNELS)
+#if defined(__ARM_FEATURE_SVE)
+#define REGISTER_QASYMM8_SIGNED_SVE(func_name) &(func_name)
+#endif /* defined(__ARM_FEATURE_SVE) */
 #define REGISTER_QASYMM8_SIGNED_NEON(func_name) &(func_name)
 #else /* defined(ENABLE_QASYMM8_SIGNED_KERNELS) */
 #define REGISTER_QASYMM8_SIGNED_NEON(func_name) nullptr
+#define REGISTER_QASYMM8_SIGNED_SVE(func_name) nullptr
 #endif /* defined(ENABLE_QASYMM8_SIGNED_KERNELS) */
 
 #if defined(ENABLE_QASYMM8_KERNELS)
+#if defined(__ARM_FEATURE_SVE)
+#define REGISTER_QASYMM8_SVE(func_name) &(func_name)
+#endif /* defined(__ARM_FEATURE_SVE) */
 #define REGISTER_QASYMM8_NEON(func_name) &(func_name)
 #else /* defined(ENABLE_QASYMM8_KERNELS) */
 #define REGISTER_QASYMM8_NEON(func_name) nullptr
+#define REGISTER_QASYMM8_SVE(func_name) nullptr
 #endif /* defined(ENABLE_QASYMM8_KERNELS) */
 
 #if defined(ENABLE_QSYMM16_KERNELS)
+#if defined(__ARM_FEATURE_SVE)
+#define REGISTER_QSYMM16_SVE(func_name) &(func_name)
+#endif /* defined(__ARM_FEATURE_SVE) */
 #define REGISTER_QSYMM16_NEON(func_name) &(func_name)
 #else /* defined(ENABLE_QSYMM16_KERNELS) */
 #define REGISTER_QSYMM16_NEON(func_name) nullptr
+#define REGISTER_QSYMM16_SVE(func_name) nullptr
 #endif /* defined(ENABLE_QSYMM16_KERNELS) */
 
 #endif /* SRC_CORE_COMMON_REGISTRARS_H */