cpu conv2d support tuple pad

mindspore/ccsrc/backend/kernel_compiler/cpu/cpu_kernel.h

@@ -34,6 +34,7 @@ const char STRIDE[] = "stride";
 const char STRIDES[] = "strides";
 const char DILATION[] = "dilation";
 const char PAD[] = "pad";
+const char PAD_LIST[] = "pad_list";
 const char PAD_MODE[] = "pad_mode";
 const char PADDING[] = "padding";
 const char PAD_MODE_LOWER_SAME[] = "same";

mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/mkl_cpu_kernel.cc

@@ -52,11 +52,11 @@ void MKLCPUKernel::GetPadding(const CNodePtr &kernel_node, const std::string &pa
     padding_r->emplace_back(0);
     padding_r->emplace_back(0);
   } else {
-    int pad = AnfAlgo::GetNodeAttr<int>(kernel_node, PAD);
-    padding_l->emplace_back(pad);
-    padding_l->emplace_back(pad);
-    padding_r->emplace_back(pad);
-    padding_r->emplace_back(pad);
+    std::vector<int> pad = AnfAlgo::GetNodeAttr<std::vector<int>>(kernel_node, PAD_LIST);
+    padding_l->emplace_back(pad[0]);
+    padding_l->emplace_back(pad[1]);
+    padding_r->emplace_back(pad[2]);
+    padding_r->emplace_back(pad[3]);
   }
 }
 

mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/sparse_softmax_cross_entropy_with_logits_cpu_kernel.cc

@@ -37,7 +37,7 @@ void SparseSoftmaxCrossEntropyWithLogitsCPUKernel::InitKernel(const CNodePtr &ke
   std::vector<size_t> shape = AnfAlgo::GetInputDeviceShape(kernel_node, 0);
   std::vector<size_t> label_shape = AnfAlgo::GetInputDeviceShape(kernel_node, 1);
   if (label_shape.size() > 1) {
-    MS_LOG(EXCEPTION) << "label shape should be 1D";
+    MS_LOG(EXCEPTION) << "Labels shape length should be equal to Logits shape length minus 1";
   }
   dnnl::memory::dims mem_dims;
   mem_dims.insert(mem_dims.end(), shape.begin(), shape.end());