Add in-place calculation support for CL elementwise arithmetic kernels

- Add in-place calculation support in ClArithmeticKernel,  ClSaturatedArithmeticKernel and ClMulKernel
- Add in-place test cases

Resolves: COMPMID-4431

Signed-off-by: Sheri Zhang <sheri.zhang@arm.com>
Change-Id: Id484bdb76b74478a33fedb471ae0c7f799c599f6
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5885
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/CL/cl_kernels/elementwise_operation.cl b/src/core/CL/cl_kernels/elementwise_operation.cl
index 99f7256..45dcbfc 100644
--- a/src/core/CL/cl_kernels/elementwise_operation.cl
+++ b/src/core/CL/cl_kernels/elementwise_operation.cl
@@ -97,8 +97,12 @@
  */
 __kernel void OP_FUN_NAME(OP)(
     TENSOR3D_DECLARATION(in1),
-    TENSOR3D_DECLARATION(in2),
-    TENSOR3D_DECLARATION(out))
+    TENSOR3D_DECLARATION(in2)
+#if !defined(IN_PLACE)
+    ,
+    TENSOR3D_DECLARATION(out)
+#endif // !defined(IN_PLACE)
+)
 {
 #if VEC_SIZE_IN1 == 1
     uint in1_x_offs = 0;
@@ -110,12 +114,23 @@
 #else  // VEC_SIZE_IN2 == 1
     uint in2_x_offs = max((int)(get_global_id(0) * VEC_SIZE_IN2 - (VEC_SIZE_IN2 - VEC_SIZE_LEFTOVER) % VEC_SIZE_IN2), 0);
 #endif // VEC_SIZE_IN2 == 1
+#if !defined(IN_PLACE)
     uint out_x_offs = max((int)(get_global_id(0) * VEC_SIZE_OUT - (VEC_SIZE_OUT - VEC_SIZE_LEFTOVER) % VEC_SIZE_OUT), 0);
+#endif // !defined(IN_PLACE)
 
     // Get pixels pointer
     __global uchar *in1_addr = in1_ptr + in1_offset_first_element_in_bytes + in1_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * in1_step_y + get_global_id(2) * in1_step_z;
     __global uchar *in2_addr = in2_ptr + in2_offset_first_element_in_bytes + in2_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * in2_step_y + get_global_id(2) * in2_step_z;
-    __global uchar *out_addr = out_ptr + out_offset_first_element_in_bytes + out_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * out_step_y + get_global_id(2) * out_step_z;
+    __global        uchar *
+#if !defined(IN_PLACE)
+    out_addr = out_ptr + out_offset_first_element_in_bytes + out_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * out_step_y + get_global_id(2) * out_step_z;
+#else // !defined(IN_PLACE)
+#if defined(SRC1_IN_PLACE)
+    out_addr    = in1_addr;
+#else  //defined(SRC1_IN_PLACE)
+    out_addr = in2_addr;
+#endif //defined(SRC1_IN_PLACE)
+#endif // !defined(IN_PLACE)
 
     // Load values
     VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT)
diff --git a/src/core/CL/cl_kernels/elementwise_operation_quantized.cl b/src/core/CL/cl_kernels/elementwise_operation_quantized.cl
index 0051bab..a11be80 100644
--- a/src/core/CL/cl_kernels/elementwise_operation_quantized.cl
+++ b/src/core/CL/cl_kernels/elementwise_operation_quantized.cl
@@ -86,8 +86,12 @@
  */
 __kernel void OP_FUN_NAME(OP)(
     TENSOR3D_DECLARATION(in1),
-    TENSOR3D_DECLARATION(in2),
-    TENSOR3D_DECLARATION(out))
+    TENSOR3D_DECLARATION(in2)
+#if !defined(IN_PLACE)
+    ,
+    TENSOR3D_DECLARATION(out)
+#endif // !defined(IN_PLACE)
+)
 {
 #if VEC_SIZE_IN1 == 1
     uint in1_x_offs = 0;
@@ -99,12 +103,23 @@
 #else  // VEC_SIZE_IN2 == 1
     uint in2_x_offs = max((int)(get_global_id(0) * VEC_SIZE_IN2 - (VEC_SIZE_IN2 - VEC_SIZE_LEFTOVER) % VEC_SIZE_IN2), 0);
 #endif // VEC_SIZE_IN2 == 1
+#if !defined(IN_PLACE)
     uint out_x_offs = max((int)(get_global_id(0) * VEC_SIZE_OUT - (VEC_SIZE_OUT - VEC_SIZE_LEFTOVER) % VEC_SIZE_OUT), 0);
+#endif // !defined(IN_PLACE)
 
     // Get pixels pointer
     __global uchar *in1_addr = in1_ptr + in1_offset_first_element_in_bytes + in1_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * in1_step_y + get_global_id(2) * in1_step_z;
     __global uchar *in2_addr = in2_ptr + in2_offset_first_element_in_bytes + in2_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * in2_step_y + get_global_id(2) * in2_step_z;
-    __global uchar *out_addr = out_ptr + out_offset_first_element_in_bytes + out_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * out_step_y + get_global_id(2) * out_step_z;
+    __global        uchar *
+#if !defined(IN_PLACE)
+    out_addr = out_ptr + out_offset_first_element_in_bytes + out_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * out_step_y + get_global_id(2) * out_step_z;
+#else // !defined(IN_PLACE)
+#if defined(SRC1_IN_PLACE)
+    out_addr    = in1_addr;
+#else  //defined(SRC1_IN_PLACE)
+    out_addr = in2_addr;
+#endif //defined(SRC1_IN_PLACE)
+#endif // !defined(IN_PLACE)
 
     VEC_INT in_a = CONVERT((VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT))(VLOAD(VEC_SIZE_IN1)(0, (__global DATA_TYPE *)in1_addr)), VEC_INT);
     VEC_INT in_b = CONVERT((VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT))(VLOAD(VEC_SIZE_IN2)(0, (__global DATA_TYPE *)in2_addr)), VEC_INT);
diff --git a/src/core/CL/cl_kernels/pixelwise_mul_float.cl b/src/core/CL/cl_kernels/pixelwise_mul_float.cl
index 0016775..1087529 100644
--- a/src/core/CL/cl_kernels/pixelwise_mul_float.cl
+++ b/src/core/CL/cl_kernels/pixelwise_mul_float.cl
@@ -77,7 +77,9 @@
 __kernel void pixelwise_mul_float(
     TENSOR3D_DECLARATION(in1),
     TENSOR3D_DECLARATION(in2),
+#if !defined(IN_PLACE)
     TENSOR3D_DECLARATION(out),
+#endif // !defined(IN_PLACE)
     const float scale)
 {
     // Get pixels pointer
@@ -87,7 +89,16 @@
 
     __global uchar *in1_addr = in1_ptr + in1_offset_first_element_in_bytes + x * in1_stride_x + y * in1_stride_y + z * in1_stride_z;
     __global uchar *in2_addr = in2_ptr + in2_offset_first_element_in_bytes + x * in2_stride_x + y * in2_stride_y + z * in2_stride_z;
-    __global uchar *out_addr = out_ptr + out_offset_first_element_in_bytes + x * out_stride_x + y * out_stride_y + z * out_stride_z;
+    __global        uchar *
+#if !defined(IN_PLACE)
+    out_addr = out_ptr + out_offset_first_element_in_bytes + x * out_stride_x + y * out_stride_y + z * out_stride_z;
+#else // !defined(IN_PLACE)
+#if defined(SRC1_IN_PLACE)
+    out_addr      = in1_addr;
+#else  //defined(SRC1_IN_PLACE)
+    out_addr = in2_addr;
+#endif //defined(SRC1_IN_PLACE)
+#endif // !defined(IN_PLACE)
 
     // Load data
     VEC_ACC_TYPE in1_data = CONVERT((VEC_DATA_TYPE(DATA_TYPE_IN1, VEC_SIZE_OUT))(VLOAD(VEC_SIZE_IN1)(0, (__global DATA_TYPE_IN1 *)in1_addr)), VEC_ACC_TYPE);
diff --git a/src/core/CL/cl_kernels/pixelwise_mul_int.cl b/src/core/CL/cl_kernels/pixelwise_mul_int.cl
index ac5cabc..6d1c2d0 100644
--- a/src/core/CL/cl_kernels/pixelwise_mul_int.cl
+++ b/src/core/CL/cl_kernels/pixelwise_mul_int.cl
@@ -76,7 +76,9 @@
 __kernel void pixelwise_mul_int(
     TENSOR3D_DECLARATION(in1),
     TENSOR3D_DECLARATION(in2),
+#if !defined(IN_PLACE)
     TENSOR3D_DECLARATION(out),
+#endif // !defined(IN_PLACE)
     const uint scale)
 {
     size_t x = max((int)(get_global_id(0) * VEC_SIZE_OUT - (VEC_SIZE_OUT - VEC_SIZE_LEFTOVER) % VEC_SIZE_OUT), 0);
@@ -85,7 +87,16 @@
 
     __global uchar *in1_addr = in1_ptr + in1_offset_first_element_in_bytes + x * in1_stride_x + y * in1_stride_y + z * in1_stride_z;
     __global uchar *in2_addr = in2_ptr + in2_offset_first_element_in_bytes + x * in2_stride_x + y * in2_stride_y + z * in2_stride_z;
-    __global uchar *out_addr = out_ptr + out_offset_first_element_in_bytes + x * out_stride_x + y * out_stride_y + z * out_stride_z;
+    __global        uchar *
+#if !defined(IN_PLACE)
+    out_addr = out_ptr + out_offset_first_element_in_bytes + x * out_stride_x + y * out_stride_y + z * out_stride_z;
+#else // !defined(IN_PLACE)
+#if defined(SRC1_IN_PLACE)
+    out_addr            = in1_addr;
+#else  //defined(SRC1_IN_PLACE)
+    out_addr = in2_addr;
+#endif //defined(SRC1_IN_PLACE)
+#endif // !defined(IN_PLACE)
 
     // Load data
     VEC_ACC_TYPE in1_data = CONVERT((VEC_DATA_TYPE(DATA_TYPE_IN1, VEC_SIZE_OUT))VLOAD(VEC_SIZE_IN1)(0, (__global DATA_TYPE_IN1 *)in1_addr), VEC_ACC_TYPE);
@@ -143,7 +154,9 @@
 __kernel void pixelwise_mul_quantized(
     TENSOR3D_DECLARATION(in1),
     TENSOR3D_DECLARATION(in2),
+#if !defined(IN_PLACE)
     TENSOR3D_DECLARATION(out),
+#endif // !defined(IN_PLACE)
     const float scale)
 {
     size_t x = max((int)(get_global_id(0) * VEC_SIZE_OUT - (VEC_SIZE_OUT - VEC_SIZE_LEFTOVER) % VEC_SIZE_OUT), 0);
@@ -152,7 +165,16 @@
 
     __global uchar *in1_addr = in1_ptr + in1_offset_first_element_in_bytes + x * in1_stride_x + y * in1_stride_y + z * in1_stride_z;
     __global uchar *in2_addr = in2_ptr + in2_offset_first_element_in_bytes + x * in2_stride_x + y * in2_stride_y + z * in2_stride_z;
-    __global uchar *out_addr = out_ptr + out_offset_first_element_in_bytes + x * out_stride_x + y * out_stride_y + z * out_stride_z;
+    __global        uchar *
+#if !defined(IN_PLACE)
+    out_addr = out_ptr + out_offset_first_element_in_bytes + x * out_stride_x + y * out_stride_y + z * out_stride_z;
+#else // !defined(IN_PLACE)
+#if defined(SRC1_IN_PLACE)
+    out_addr            = in1_addr;
+#else  //defined(SRC1_IN_PLACE)
+    out_addr = in2_addr;
+#endif //defined(SRC1_IN_PLACE)
+#endif // !defined(IN_PLACE)
 
     // Load data
     VEC_INT in_a = CONVERT((VEC_TYPE)(VLOAD(VEC_SIZE_IN1)(0, (__global DATA_TYPE_OUT *)in1_addr)), VEC_INT);