fixed coverity warning

ge/common/fp16_t.cc

@@ -576,10 +576,12 @@ static uint16_t Fp16Mul(uint16_t v_1, uint16_t v_2) {
   uint16_t s_a, s_b;
   int16_t e_a, e_b;
   uint32_t m_a, m_b;
-  uint16_t s_ret, m_ret;
+  uint16_t s_ret;
+  uint16_t m_ret;
   int16_t e_ret;
   uint32_t mul_m;
-  uint16_t m_a_tmp, m_b_tmp;
+  uint16_t m_a_tmp;
+  uint16_t m_b_tmp;
   // 1.Extract
   ExtractFp16(v_1, s_a, e_a, m_a_tmp);
   ExtractFp16(v_2, s_b, e_b, m_b_tmp);
@@ -635,7 +637,8 @@ static uint16_t Fp16Div(uint16_t v_1, uint16_t v_2) {
   uint16_t ret;
   if (FP16_IS_ZERO(v_2)) {  // result is inf
     // throw "fp16_t division by zero.";
-    uint16_t s_a, s_b;
+    uint16_t s_a;
+    uint16_t s_b;
     uint16_t s_ret;
     s_a = FP16_EXTRAC_SIGN(v_1);
     s_b = FP16_EXTRAC_SIGN(v_2);
@@ -644,11 +647,15 @@ static uint16_t Fp16Div(uint16_t v_1, uint16_t v_2) {
   } else if (FP16_IS_ZERO(v_1)) {
     ret = 0u;
   } else {
-    uint16_t s_a, s_b;
-    int16_t e_a, e_b;
-    uint64_t m_a, m_b;
+    uint16_t s_a;
+    uint16_t s_b;
+    int16_t e_a;
+    int16_t e_b;
+    uint64_t m_a;
+    uint64_t m_b;
     float m_div;
-    uint16_t m_a_tmp, m_b_tmp;
+    uint16_t m_a_tmp;
+    uint16_t m_b_tmp;
     // 1.Extract
     ExtractFp16(v_1, s_a, e_a, m_a_tmp);
     ExtractFp16(v_2, s_b, e_b, m_b_tmp);
@@ -742,9 +749,12 @@ bool fp16_t::operator!=(const fp16_t &fp) const {
   return result;
 }
 bool fp16_t::operator>(const fp16_t &fp) const {
-  uint16_t s_a, s_b;
-  uint16_t e_a, e_b;
-  uint16_t m_a, m_b;
+  uint16_t s_a;
+  uint16_t s_b;
+  uint16_t e_a;
+  uint16_t e_b;
+  uint16_t m_a;
+  uint16_t m_b;
   bool result = true;
 
   // 1.Extract
@@ -823,9 +833,11 @@ fp16_t &fp16_t::operator=(const fp16_t &fp) {
   return *this;
 }
 fp16_t &fp16_t::operator=(const float &f_val) {
-  uint16_t s_ret, m_ret;
+  uint16_t s_ret;
+  uint16_t m_ret;
   int16_t e_ret;
-  uint32_t e_f, m_f;
+  uint32_t e_f;
+  uint32_t m_f;
   const uint32_t ui32_v = *(reinterpret_cast<const uint32_t *>(&f_val));  // 1:8:23bit sign:exp:man
   uint32_t m_len_delta;
 
@@ -874,7 +886,9 @@ fp16_t &fp16_t::operator=(const float &f_val) {
   return *this;
 }
 fp16_t &fp16_t::operator=(const int8_t &i_val) {
-  uint16_t s_ret, e_ret, m_ret;
+  uint16_t s_ret;
+  uint16_t e_ret;
+  uint16_t m_ret;
 
   s_ret = static_cast<uint16_t>(((static_cast<uint8_t>(i_val)) & 0x80) >> kDim7);
   m_ret = static_cast<uint16_t>(((static_cast<uint8_t>(i_val)) & kInt8Max));
@@ -898,7 +912,9 @@ fp16_t &fp16_t::operator=(const int8_t &i_val) {
   return *this;
 }
 fp16_t &fp16_t::operator=(const uint8_t &ui_val) {
-  uint16_t s_ret, e_ret, m_ret;
+  uint16_t s_ret;
+  uint16_t e_ret;
+  uint16_t m_ret;
   s_ret = 0;
   e_ret = 0;
   m_ret = ui_val;