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| author |  Benoit Steiner <benoit.steiner.goog@gmail.com> | 2014-04-23 18:22:10 -0700 |
|---|---|---|
| committer | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2014-04-23 18:22:10 -0700 |
| commit | ccb4dec719c1dffbd3565497cd897abb1b9f730f (patch) | |
| tree | 4a469e085ec21d31968f08e3a99e26c56d04bf2c /Eigen/src/Core | |
| parent | 82b09fcb911c5a0734ccf441504269f33034194a (diff) | |
Created a NEON version of the ptranspose packet primitives
Diffstat (limited to 'Eigen/src/Core')
| -rw-r--r-- | Eigen/src/Core/arch/NEON/Complex.h | 8 | ||||
| -rw-r--r-- | Eigen/src/Core/arch/NEON/PacketMath.h | 23 |
2 files changed, 30 insertions, 1 deletions
diff --git a/Eigen/src/Core/arch/NEON/Complex.h b/Eigen/src/Core/arch/NEON/Complex.h index 7b94733ab..a668382e2 100644 --- a/Eigen/src/Core/arch/NEON/Complex.h +++ b/Eigen/src/Core/arch/NEON/Complex.h @@ -263,6 +263,14 @@ template<> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, con return Packet2cf(pdiv(res.v, vaddq_f32(s,rev_s))); } +template<> EIGEN_DEVICE_FUNC inline void +ptranspose(Kernel<Packet2cf>& kernel) { + float32x4_t tmp = vcombine_f32(vget_high_f32(kernel.packet[0].v), vget_high_f32(kernel.packet[1].v)); + kernel.packet[0].v = vcombine_f32(vget_low_f32(kernel.packet[0].v), vget_low_f32(kernel.packet[1].v)); + kernel.packet[1].v = tmp; +} + + } // end namespace internal } // end namespace Eigen diff --git a/Eigen/src/Core/arch/NEON/PacketMath.h b/Eigen/src/Core/arch/NEON/PacketMath.h index c9b9e5e9b..6a6876e69 100644 --- a/Eigen/src/Core/arch/NEON/PacketMath.h +++ b/Eigen/src/Core/arch/NEON/PacketMath.h @@ -447,9 +447,30 @@ PALIGN_NEON(0,Packet4i,vextq_s32) PALIGN_NEON(1,Packet4i,vextq_s32) PALIGN_NEON(2,Packet4i,vextq_s32) PALIGN_NEON(3,Packet4i,vextq_s32) - + #undef PALIGN_NEON +template<> EIGEN_DEVICE_FUNC inline void +ptranspose(Kernel<Packet4f>& kernel) { + float32x4x2_t tmp1 = vzipq_f32(kernel.packet[0], kernel.packet[1]); + float32x4x2_t tmp2 = vzipq_f32(kernel.packet[2], kernel.packet[3]); + + kernel.packet[0] = vcombine_f32(vget_low_f32(tmp1.val[0]), vget_low_f32(tmp2.val[0])); + kernel.packet[1] = vcombine_f32(vget_high_f32(tmp1.val[0]), vget_high_f32(tmp2.val[0])); + kernel.packet[2] = vcombine_f32(vget_low_f32(tmp1.val[1]), vget_low_f32(tmp2.val[1])); + kernel.packet[3] = vcombine_f32(vget_high_f32(tmp1.val[1]), vget_high_f32(tmp2.val[1])); +} + +template<> EIGEN_DEVICE_FUNC inline void +ptranspose(Kernel<Packet4i>& kernel) { + int32x4x2_t tmp1 = vzipq_s32(kernel.packet[0], kernel.packet[1]); + int32x4x2_t tmp2 = vzipq_s32(kernel.packet[2], kernel.packet[3]); + kernel.packet[0] = vcombine_s32(vget_low_s32(tmp1.val[0]), vget_low_s32(tmp2.val[0])); + kernel.packet[1] = vcombine_s32(vget_high_s32(tmp1.val[0]), vget_high_s32(tmp2.val[0])); + kernel.packet[2] = vcombine_s32(vget_low_s32(tmp1.val[1]), vget_low_s32(tmp2.val[1])); + kernel.packet[3] = vcombine_s32(vget_high_s32(tmp1.val[1]), vget_high_s32(tmp2.val[1])); +} + } // end namespace internal } // end namespace Eigen |