Fix Floating Point Exception for cl_gemm_reshaped

Return proper error in the examples when such cases occur

Resolves: COMPMID-4237

Change-Id: I864c6f73a629a961774c7ae1cb62c28edcbed379
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5028
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/examples/gemm_tuner/GemmTunerHelpers.h b/examples/gemm_tuner/GemmTunerHelpers.h
index 23cf14cf18..ae5cfbb19e 100644
--- a/examples/gemm_tuner/GemmTunerHelpers.h
+++ b/examples/gemm_tuner/GemmTunerHelpers.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Arm Limited.
+ * Copyright (c) 2020-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -31,19 +31,24 @@ namespace examples
 {
 namespace gemm_tuner_helpers
 {
-void update_padding_for_cl_image(arm_compute::ITensorInfo *tensor)
+bool update_padding_for_cl_image(arm_compute::ITensorInfo *tensor)
 {
     constexpr unsigned int num_floats_per_pixel = 4;
 
     const unsigned int stride_y_in_elements = tensor->strides_in_bytes()[1] / tensor->element_size();
     const unsigned int pixel_aligment       = arm_compute::get_cl_image_pitch_alignment(
                                                   arm_compute::CLKernelLibrary::get().get_device());
+    if(pixel_aligment == 0)
+    {
+        return false;
+    }
     const unsigned int row_pitch_alignment = pixel_aligment * num_floats_per_pixel;
     const unsigned int round_up_width =
         ((stride_y_in_elements + row_pitch_alignment - 1) / row_pitch_alignment) * row_pitch_alignment;
     const unsigned int padding = round_up_width - stride_y_in_elements;
 
     tensor->extend_padding(arm_compute::PaddingSize(0, padding, 0, 0));
+    return true;
 }
 } // namespace gemm_tuner_helpers
 } // namespace examples