diff --git a/src/layer/x86/requantize_x86.cpp b/src/layer/x86/requantize_x86.cpp
index ed666ed5d..8c223f636 100644
--- a/src/layer/x86/requantize_x86.cpp
+++ b/src/layer/x86/requantize_x86.cpp
@@ -714,10 +714,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else if (bias_data_size == 1)
@@ -735,10 +735,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else
@@ -755,10 +755,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
             }
@@ -780,10 +780,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else if (bias_data_size == 1)
@@ -802,10 +802,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else
@@ -823,10 +823,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
             }
@@ -848,10 +848,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else if (bias_data_size == 1)
@@ -870,10 +870,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else
@@ -891,10 +891,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
             }
@@ -915,10 +915,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else if (bias_data_size == 1)
@@ -938,10 +938,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
                 else
@@ -960,10 +960,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                         _v = activation_sse(_v, activation_type, activation_params);
                         _v = _mm_mul_ps(_v, _scale_out);
                         int64_t v = float2int8_sse(_v, _v);
-                        ptr[0] = (v >> 56) & 0xff;
-                        ptr[1] = (v >> 48) & 0xff;
-                        ptr[2] = (v >> 40) & 0xff;
-                        ptr[3] = (v >> 32) & 0xff;
+                        ptr[0] = (v >> 32) & 0xff;
+                        ptr[1] = (v >> 40) & 0xff;
+                        ptr[2] = (v >> 48) & 0xff;
+                        ptr[3] = (v >> 56) & 0xff;
                     }
                 }
             }
@@ -1072,10 +1072,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                             _v = activation_sse(_v, activation_type, activation_params);
                             _v = _mm_mul_ps(_v, _scale_out);
                             int64_t v = float2int8_sse(_v, _v);
-                            ptr0[0] = (v >> 56) & 0xff;
-                            ptr1[0] = (v >> 48) & 0xff;
-                            ptr2[0] = (v >> 40) & 0xff;
-                            ptr3[0] = (v >> 32) & 0xff;
+                            ptr0[0] = (v >> 32) & 0xff;
+                            ptr1[0] = (v >> 40) & 0xff;
+                            ptr2[0] = (v >> 48) & 0xff;
+                            ptr3[0] = (v >> 56) & 0xff;
 
                             intptr += 4;
                             ptr0 += 1;
@@ -1107,10 +1107,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                             _v = activation_sse(_v, activation_type, activation_params);
                             _v = _mm_mul_ps(_v, _scale_out);
                             int64_t v = float2int8_sse(_v, _v);
-                            ptr0[0] = (v >> 56) & 0xff;
-                            ptr1[0] = (v >> 48) & 0xff;
-                            ptr2[0] = (v >> 40) & 0xff;
-                            ptr3[0] = (v >> 32) & 0xff;
+                            ptr0[0] = (v >> 32) & 0xff;
+                            ptr1[0] = (v >> 40) & 0xff;
+                            ptr2[0] = (v >> 48) & 0xff;
+                            ptr3[0] = (v >> 56) & 0xff;
 
                             intptr += 4;
                             ptr0 += 1;
@@ -1228,10 +1228,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                             _v = activation_sse(_v, activation_type, activation_params);
                             _v = _mm_mul_ps(_v, _scale_out);
                             int64_t v = float2int8_sse(_v, _v);
-                            ptr0[0] = (v >> 56) & 0xff;
-                            ptr1[0] = (v >> 48) & 0xff;
-                            ptr2[0] = (v >> 40) & 0xff;
-                            ptr3[0] = (v >> 32) & 0xff;
+                            ptr0[0] = (v >> 32) & 0xff;
+                            ptr1[0] = (v >> 40) & 0xff;
+                            ptr2[0] = (v >> 48) & 0xff;
+                            ptr3[0] = (v >> 56) & 0xff;
 
                             intptr += 4;
                             ptr0 += 1;
@@ -1263,10 +1263,10 @@ int Requantize_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Option&
                             _v = activation_sse(_v, activation_type, activation_params);
                             _v = _mm_mul_ps(_v, _scale_out);
                             int64_t v = float2int8_sse(_v, _v);
-                            ptr0[0] = (v >> 56) & 0xff;
-                            ptr1[0] = (v >> 48) & 0xff;
-                            ptr2[0] = (v >> 40) & 0xff;
-                            ptr3[0] = (v >> 32) & 0xff;
+                            ptr0[0] = (v >> 32) & 0xff;
+                            ptr1[0] = (v >> 40) & 0xff;
+                            ptr2[0] = (v >> 48) & 0xff;
+                            ptr3[0] = (v >> 56) & 0xff;
 
                             intptr += 4;
                             ptr0 += 1;