fix bugs

Author: huangjiyi

paddle/phi/kernels/funcs/math_function.cc

@@ -64,18 +64,6 @@ template struct SetConstant<phi::XPUContext, bool>;
 template struct SetConstant<phi::XPUContext, phi::dtype::complex<float>>;
 template struct SetConstant<phi::XPUContext, phi::dtype::complex<double>>;
 
-template struct SetConstant<phi::XPUContext, phi::dtype::float16>;
-template struct SetConstant<phi::XPUContext, phi::dtype::bfloat16>;
-template struct SetConstant<phi::XPUContext, float>;
-template struct SetConstant<phi::XPUContext, double>;
-template struct SetConstant<phi::XPUContext, uint8_t>;
-template struct SetConstant<phi::XPUContext, int16_t>;
-template struct SetConstant<phi::XPUContext, int>;
-template struct SetConstant<phi::XPUContext, int64_t>;
-template struct SetConstant<phi::XPUContext, bool>;
-template struct SetConstant<phi::XPUContext, phi::dtype::complex<float>>;
-template struct SetConstant<phi::XPUContext, phi::dtype::complex<double>>;
-
 #endif
 
 #define DEFINE_CPU_TRANS(RANK)                                            \

paddle/phi/kernels/funcs/math_function.h

@@ -55,11 +55,6 @@ struct SetConstant {
 };
 
 #ifdef PADDLE_WITH_XPU
-template <typename T>
-struct SetConstant<XPUContext, T> {
-  void operator()(const XPUContext& context, phi::DenseTensor* tensor, T num);
-};
-
 template <typename T>
 struct SetConstant<phi::XPUContext, T> {
   void operator()(const phi::XPUContext& context,