Eigen/src/Core/arch/HVX/GeneralBlockPanelKernel.h

#ifndef EIGEN_HVX_GENERAL_BLOCK_KERNEL_H
#define EIGEN_HVX_GENERAL_BLOCK_KERNEL_H

// Only support 128B HVX now.
// Floating-point operations are only supported since V68.
#if defined __HVX__ && (__HVX_LENGTH__ == 128) && __HVX_ARCH__ >= 68

namespace Eigen {
namespace internal {

template <bool ConjLhs_, bool ConjRhs_, int PacketSize_>
class gebp_traits<float, float, ConjLhs_, ConjRhs_, Architecture::Target, PacketSize_>
    : public gebp_traits<float, float, ConjLhs_, ConjRhs_, Architecture::Generic, PacketSize_> {
 public:
  typedef Packet32qf AccPacket;

  EIGEN_STRONG_INLINE void initAcc(Packet32qf& p) { p = pzero<Packet32qf>(p); }

  template <typename LaneIdType>
  EIGEN_STRONG_INLINE void madd(const Packet32f& a, const Packet32f& b, Packet32qf& c, Packet32f& /*tmp*/,
                                const LaneIdType&) const {
    c = pmadd_f32_to_qf32(a, b, c);
  }

  template <typename LaneIdType>
  EIGEN_STRONG_INLINE void madd(const Packet32f& a, const QuadPacket<Packet32f>& b, Packet32qf& c, Packet32f& tmp,
                                const LaneIdType& lane) const {
    madd(a, b.get(lane), c, tmp, lane);
  }

  EIGEN_STRONG_INLINE void acc(const Packet32qf& c, const Packet32f& alpha, Packet32f& r) const {
    r = pmadd_qf32_to_f32(c, alpha, r);
  }
};

}  // end namespace internal
}  // end namespace Eigen

#endif  // __HVX__ && (__HVX_LENGTH__ == 128) && __HVX_ARCH__ >= 68

#endif  // EIGEN_HVX_GENERAL_BLOCK_KERNEL_H