!7820 [MSLITE] Fix the bug of MatVecMul fp32

Merge pull request !7820 from zhanyuan/dev

mindspore/lite/nnacl/matmul_parameter.h

@@ -49,8 +49,8 @@ typedef struct MatMulParameter {
   bool b_transpose_; /* true  :  col-major  */
   bool a_const_;
   bool b_const_;
-  bool a_has_shape_;
-  bool b_has_shape_;
+  bool a_init_shape_;
+  bool b_init_shape_;
   ActType act_type_;
 } MatMulParameter;
 

mindspore/lite/src/runtime/kernel/arm/fp32/matmul.cc

@@ -57,7 +57,7 @@ int MatmulCPUKernel::MallocMatrixABuffer() {
   params_->batch = batch;
   params_->row_ = params_->a_transpose_ ? a_shape[a_shape.size() - 1] : a_shape[a_shape.size() - 2];
 #ifdef ENABLE_ARM64
-  if (params_->row_ == 1) {
+  if (params_->a_init_shape_ && params_->row_ == 1) {
     is_vector_a_ = true;
   }
 #endif
@@ -134,7 +134,7 @@ int MatmulCPUKernel::InitBias() {
 }
 
 int MatmulCPUKernel::ReSize() {
-  if (params_->a_const_ == false || params_->a_has_shape_ == false) {
+  if (params_->a_const_ == false || params_->a_init_shape_ == false) {
     if (a_pack_ptr_ != nullptr) {
       free(a_pack_ptr_);
       a_pack_ptr_ = nullptr;
@@ -145,7 +145,7 @@ int MatmulCPUKernel::ReSize() {
       return RET_ERROR;
     }
   }
-  if (params_->b_const_ == false || params_->b_has_shape_ == false) {
+  if (params_->b_const_ == false || params_->b_init_shape_ == false) {
     if (b_pack_ptr_ != nullptr) {
       free(b_pack_ptr_);
       b_pack_ptr_ = nullptr;
@@ -222,16 +222,16 @@ void MatmulCPUKernel::InitMatrixB(float *src_ptr, float *dst_ptr) {
 }
 
 int MatmulCPUKernel::Init() {
-  params_->a_has_shape_ = (in_tensors_[0]->shape().size() != 0);
-  params_->b_has_shape_ = (in_tensors_[1]->shape().size() != 0);
-  if (params_->a_has_shape_ == true) {
+  params_->a_init_shape_ = (in_tensors_[0]->shape().size() != 0);
+  params_->b_init_shape_ = (in_tensors_[1]->shape().size() != 0);
+  if (params_->a_init_shape_ == true) {
     auto ret = MallocMatrixABuffer();
     if (ret != RET_OK) {
       MS_LOG(ERROR) << "Matmul fp32 malloc matrix a buffer failed";
       return RET_ERROR;
     }
   }
-  if (params_->b_has_shape_ == true) {
+  if (params_->b_init_shape_ == true) {
     auto ret = MallocMatrixBBuffer();
     if (ret != RET_OK) {
       MS_LOG(ERROR) << "Matmul fp32 malloc matrix b buffer failed";
@@ -300,7 +300,7 @@ int MatmulCPUKernel::Run() {
     }
   }
   if (params_->b_const_ == false || is_train()) {
-    if (is_vector_a_) {
+    if (is_vector_a_ && params_->b_transpose_) {
       b_ptr_ = b_src;
     } else {
       InitMatrixB(b_src, b_pack_ptr_);