[cherry-pick]fix strided slice,test=develop (#5704)

Leonardo-Ding · web-flow · commit 10d4d0910d5d · 2021-03-13T18:31:54.000+08:00
diff --git a/lite/kernels/host/strided_slice_compute.cc b/lite/kernels/host/strided_slice_compute.cc
@@ -210,8 +210,7 @@ void stride_slice(const T* input,
     for (size_t j = 0; j < out_dims.size(); j++) {
       int cur_id = index_id / dst_step[j];
       index_id = index_id % dst_step[j];
-      src_id +=
-          (cur_id + starts_indices[j] + strides_indices[j] - 1) * src_step[j];
+      src_id += (cur_id * strides_indices[j] + starts_indices[j]) * src_step[j];
     }
     out[dst_id] = input[src_id];
   }

Original file line number	Diff line number	Diff line change
`@@ -210,8 +210,7 @@ void stride_slice(const T* input,`
`210`	`210`	`for (size_t j = 0; j < out_dims.size(); j++) {`
`211`	`211`	`int cur_id = index_id / dst_step[j];`
`212`	`212`	`index_id = index_id % dst_step[j];`
`213`		`- src_id +=`
`214`		`- (cur_id + starts_indices[j] + strides_indices[j] - 1) * src_step[j];`
	`213`	`+ src_id += (cur_id * strides_indices[j] + starts_indices[j]) * src_step[j];`
`215`	`214`	`}`
`216`	`215`	`out[dst_id] = input[src_id];`
`217`	`216`	`}`