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| author |  Guoqiang QI <425418567@qq.com> | 2021-01-13 22:54:03 +0000 |
|---|---|---|
| committer |  Rasmus Munk Larsen <rmlarsen@google.com> | 2021-01-13 22:54:03 +0000 |
| commit | 38ae5353ab6f1050aed64821ac56a1561096cdce (patch) | |
| tree | bc2cbea514d3843d300695559b96abeac4ceefc3 /Eigen/src/Core/arch/SSE/Complex.h | |
| parent | 352f1422d3ceea19a04cab297c6339e0870e1c6c (diff) | |
1)provide a better generic paddsub op implementation
2)make paddsub op support the Packet2cf/Packet4f/Packet2f in NEON
3)make paddsub op support the Packet2cf/Packet4f in SSE
Diffstat (limited to 'Eigen/src/Core/arch/SSE/Complex.h')
| -rw-r--r-- | Eigen/src/Core/arch/SSE/Complex.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/SSE/Complex.h b/Eigen/src/Core/arch/SSE/Complex.h index 58cdb5dbe..f6f1b8c9f 100644 --- a/Eigen/src/Core/arch/SSE/Complex.h +++ b/Eigen/src/Core/arch/SSE/Complex.h @@ -66,6 +66,13 @@ template<> struct unpacket_traits<Packet2cf> { template<> EIGEN_STRONG_INLINE Packet2cf padd<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_add_ps(a.v,b.v)); } template<> EIGEN_STRONG_INLINE Packet2cf psub<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_sub_ps(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet2cf pxor<Packet2cf>(const Packet2cf& a, const Packet2cf& b); +template<> EIGEN_STRONG_INLINE Packet2cf paddsub<Packet2cf>(const Packet2cf& a, const Packet2cf& b) +{ + const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x0,0x0)); + return Packet2cf(padd(a.v, pxor(mask, b.v))); +} + template<> EIGEN_STRONG_INLINE Packet2cf pnegate(const Packet2cf& a) { const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000)); |