diff options
Diffstat (limited to 'Eigen/src/Core')
| -rw-r--r-- | Eigen/src/Core/Dot.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/Eigen/src/Core/Dot.h b/Eigen/src/Core/Dot.h index bf487c462..8f38ee946 100644 --- a/Eigen/src/Core/Dot.h +++ b/Eigen/src/Core/Dot.h @@ -108,8 +108,9 @@ struct ei_dot_vec_unroller inline static PacketScalar run(const Derived1& v1, const Derived2& v2) { - return ei_padd( - ei_pmul(v1.template packet<Aligned>(row1, col1), v2.template packet<Aligned>(row2, col2)), + return ei_pmadd( + v1.template packet<Aligned>(row1, col1), + v2.template packet<Aligned>(row2, col2), ei_dot_vec_unroller<Derived1, Derived2, Index+ei_packet_traits<Scalar>::size, Stop>::run(v1, v2) ); } @@ -192,12 +193,10 @@ struct ei_dot_impl<Derived1, Derived2, LinearVectorization, NoUnrolling> const int col1 = rowVector1 ? index : 0; const int row2 = rowVector2 ? 0 : index; const int col2 = rowVector2 ? index : 0; - packet_res = ei_padd( - packet_res, - ei_pmul( - v1.template packet<Aligned>(row1, col1), - v2.template packet<Aligned>(row2, col2) - ) + packet_res = ei_pmadd( + v1.template packet<Aligned>(row1, col1), + v2.template packet<Aligned>(row2, col2), + packet_res ); } res = ei_predux(packet_res); |