diff options
author | Joel Holdsworth <joel.holdsworth@vcatechnology.com> | 2019-11-26 18:31:22 +0000 |
---|---|---|
committer | Joel Holdsworth <joel.holdsworth@vcatechnology.com> | 2020-03-10 22:46:19 +0000 |
commit | eacf97f72749da0ed29b76a07ad3f23c1ec81a4a (patch) | |
tree | 6da8f0c51b1a37067998b339e8234cf4952a5887 /Eigen/src/Core/arch/NEON/PacketMath.h | |
parent | 5f411b729e72078127b4931e172cf6e8ffaf4f09 (diff) |
NEON: Implemented half-size vectors
Diffstat (limited to 'Eigen/src/Core/arch/NEON/PacketMath.h')
-rw-r--r-- | Eigen/src/Core/arch/NEON/PacketMath.h | 254 |
1 files changed, 233 insertions, 21 deletions
diff --git a/Eigen/src/Core/arch/NEON/PacketMath.h b/Eigen/src/Core/arch/NEON/PacketMath.h index de0a58cd7..b762b6b97 100644 --- a/Eigen/src/Core/arch/NEON/PacketMath.h +++ b/Eigen/src/Core/arch/NEON/PacketMath.h @@ -62,7 +62,8 @@ typedef eigen_packet_wrapper<float32x2_t,0> Packet2f; typedef eigen_packet_wrapper<float32x4_t,1> Packet4f; typedef eigen_packet_wrapper<int32x2_t ,2> Packet2i; typedef eigen_packet_wrapper<int32x4_t ,3> Packet4i; -typedef eigen_packet_wrapper<uint32x4_t ,4> Packet4ui; +typedef eigen_packet_wrapper<uint32x2_t ,4> Packet2ui; +typedef eigen_packet_wrapper<uint32x4_t ,5> Packet4ui; #else @@ -70,6 +71,7 @@ typedef float32x2_t Packet2f; typedef float32x4_t Packet4f; typedef int32x2_t Packet2i; typedef int32x4_t Packet4i; +typedef uint32x2_t Packet2ui; typedef uint32x4_t Packet4ui; #endif // EIGEN_COMP_MSVC @@ -103,13 +105,13 @@ template <> struct packet_traits<float> : default_packet_traits { typedef Packet4f type; - typedef Packet4f half; // Packet2f intrinsics not implemented yet + typedef Packet2f half; enum { Vectorizable = 1, AlignedOnScalar = 1, size = 4, - HasHalfPacket = 0, // Packet2f intrinsics not implemented yet + HasHalfPacket = 1, HasAdd = 1, HasSub = 1, @@ -142,13 +144,13 @@ template <> struct packet_traits<int32_t> : default_packet_traits { typedef Packet4i type; - typedef Packet4i half; // Packet2i intrinsics not implemented yet + typedef Packet2i half; enum { Vectorizable = 1, AlignedOnScalar = 1, size = 4, - HasHalfPacket = 0, // Packet2i intrinsics not implemented yet + HasHalfPacket = 1, HasAdd = 1, HasSub = 1, @@ -175,10 +177,24 @@ EIGEN_STRONG_INLINE void vst1q_f32(float* to, float32x4_t from) { ::vst1q_f32((f EIGEN_STRONG_INLINE void vst1_f32 (float* to, float32x2_t from) { ::vst1_f32 ((float32_t*)to,from); } #endif +template<> struct unpacket_traits<Packet2f> +{ + typedef float type; + typedef Packet2f half; + typedef Packet2i integer_packet; + enum + { + size = 2, + alignment = Aligned16, + vectorizable = true, + masked_load_available = false, + masked_store_available = false + }; +}; template<> struct unpacket_traits<Packet4f> { typedef float type; - typedef Packet4f half; + typedef Packet2f half; typedef Packet4i integer_packet; enum { @@ -189,10 +205,23 @@ template<> struct unpacket_traits<Packet4f> masked_store_available = false }; }; +template<> struct unpacket_traits<Packet2i> +{ + typedef int32_t type; + typedef Packet2i half; + enum + { + size = 2, + alignment = Aligned16, + vectorizable = true, + masked_load_available = false, + masked_store_available = false + }; +}; template<> struct unpacket_traits<Packet4i> { typedef int32_t type; - typedef Packet4i half; + typedef Packet2i half; enum { size = 4, @@ -203,38 +232,87 @@ template<> struct unpacket_traits<Packet4i> }; }; +template<> EIGEN_STRONG_INLINE Packet2f pset1<Packet2f>(const float& from) { return vdup_n_f32(from); } template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(const float& from) { return vdupq_n_f32(from); } +template<> EIGEN_STRONG_INLINE Packet2i pset1<Packet2i>(const int32_t& from) { return vdup_n_s32(from); } template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int32_t& from) { return vdupq_n_s32(from); } +template<> EIGEN_STRONG_INLINE Packet2f pset1frombits<Packet2f>(unsigned int from) +{ return vreinterpret_f32_u32(vdup_n_u32(from)); } template<> EIGEN_STRONG_INLINE Packet4f pset1frombits<Packet4f>(unsigned int from) { return vreinterpretq_f32_u32(vdupq_n_u32(from)); } +template<> EIGEN_STRONG_INLINE Packet2f plset<Packet2f>(const float& a) +{ + const float c[] = {0.0f,1.0f}; + return vadd_f32(pset1<Packet2f>(a), vld1_f32(c)); +} template<> EIGEN_STRONG_INLINE Packet4f plset<Packet4f>(const float& a) { const float c[] = {0.0f,1.0f,2.0f,3.0f}; return vaddq_f32(pset1<Packet4f>(a), vld1q_f32(c)); } +template<> EIGEN_STRONG_INLINE Packet2i plset<Packet2i>(const int32_t& a) +{ + const int32_t c[] = {0,1}; + return vadd_s32(pset1<Packet2i>(a), vld1_s32(c)); +} template<> EIGEN_STRONG_INLINE Packet4i plset<Packet4i>(const int32_t& a) { const int32_t c[] = {0,1,2,3}; return vaddq_s32(pset1<Packet4i>(a), vld1q_s32(c)); } +template<> EIGEN_STRONG_INLINE Packet2f padd<Packet2f>(const Packet2f& a, const Packet2f& b) { return vadd_f32(a,b); } template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(const Packet4f& a, const Packet4f& b) { return vaddq_f32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2i padd<Packet2i>(const Packet2i& a, const Packet2i& b) { return vadd_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(const Packet4i& a, const Packet4i& b) { return vaddq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f psub<Packet2f>(const Packet2f& a, const Packet2f& b) { return vsub_f32(a,b); } template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(const Packet4f& a, const Packet4f& b) { return vsubq_f32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2i psub<Packet2i>(const Packet2i& a, const Packet2i& b) { return vsub_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(const Packet4i& a, const Packet4i& b) { return vsubq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f pnegate(const Packet2f& a) { return vneg_f32(a); } template<> EIGEN_STRONG_INLINE Packet4f pnegate(const Packet4f& a) { return vnegq_f32(a); } +template<> EIGEN_STRONG_INLINE Packet2i pnegate(const Packet2i& a) { return vneg_s32(a); } template<> EIGEN_STRONG_INLINE Packet4i pnegate(const Packet4i& a) { return vnegq_s32(a); } +template<> EIGEN_STRONG_INLINE Packet2f pconj(const Packet2f& a) { return a; } template<> EIGEN_STRONG_INLINE Packet4f pconj(const Packet4f& a) { return a; } +template<> EIGEN_STRONG_INLINE Packet2i pconj(const Packet2i& a) { return a; } template<> EIGEN_STRONG_INLINE Packet4i pconj(const Packet4i& a) { return a; } +template<> EIGEN_STRONG_INLINE Packet2f pmul<Packet2f>(const Packet2f& a, const Packet2f& b) { return vmul_f32(a,b); } template<> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f>(const Packet4f& a, const Packet4f& b) { return vmulq_f32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2i pmul<Packet2i>(const Packet2i& a, const Packet2i& b) { return vmul_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(const Packet4i& a, const Packet4i& b) { return vmulq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f pdiv<Packet2f>(const Packet2f& a, const Packet2f& b) +{ +#if EIGEN_ARCH_ARM64 + return vdiv_f32(a,b); +#else + Packet2f inv, restep, div; + + // NEON does not offer a divide instruction, we have to do a reciprocal approximation + // However NEON in contrast to other SIMD engines (AltiVec/SSE), offers + // a reciprocal estimate AND a reciprocal step -which saves a few instructions + // vrecpeq_f32() returns an estimate to 1/b, which we will finetune with + // Newton-Raphson and vrecpsq_f32() + inv = vrecpe_f32(b); + + // This returns a differential, by which we will have to multiply inv to get a better + // approximation of 1/b. + restep = vrecps_f32(b, inv); + inv = vmul_f32(restep, inv); + + // Finally, multiply a by 1/b and get the wanted result of the division. + div = vmul_f32(a, inv); + + return div; +#endif +} template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(const Packet4f& a, const Packet4f& b) { #if EIGEN_ARCH_ARM64 @@ -261,6 +339,11 @@ template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(const Packet4f& a, const #endif } +template<> EIGEN_STRONG_INLINE Packet2i pdiv<Packet2i>(const Packet2i& /*a*/, const Packet2i& /*b*/) +{ + eigen_assert(false && "packet integer division are not supported by NEON"); + return pset1<Packet2i>(0); +} template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(const Packet4i& /*a*/, const Packet4i& /*b*/) { eigen_assert(false && "packet integer division are not supported by NEON"); @@ -306,33 +389,64 @@ template<> EIGEN_STRONG_INLINE Packet4f pmadd(const Packet4f& a, const Packet4f& #endif // No FMA instruction for int, so use MLA unconditionally. +template<> EIGEN_STRONG_INLINE Packet2i pmadd(const Packet2i& a, const Packet2i& b, const Packet2i& c) +{ return vmla_s32(c,a,b); } template<> EIGEN_STRONG_INLINE Packet4i pmadd(const Packet4i& a, const Packet4i& b, const Packet4i& c) { return vmlaq_s32(c,a,b); } +template<> EIGEN_STRONG_INLINE Packet2f pmin<Packet2f>(const Packet2f& a, const Packet2f& b) { return vmin_f32(a,b); } template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(const Packet4f& a, const Packet4f& b) { return vminq_f32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2i pmin<Packet2i>(const Packet2i& a, const Packet2i& b) { return vmin_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(const Packet4i& a, const Packet4i& b) { return vminq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f pmax<Packet2f>(const Packet2f& a, const Packet2f& b) { return vmax_f32(a,b); } template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(const Packet4f& a, const Packet4f& b) { return vmaxq_f32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2i pmax<Packet2i>(const Packet2i& a, const Packet2i& b) { return vmax_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(const Packet4i& a, const Packet4i& b) { return vmaxq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f pcmp_le<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(vcle_f32(a,b)); } template<> EIGEN_STRONG_INLINE Packet4f pcmp_le<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(vcleq_f32(a,b)); } +template<> EIGEN_STRONG_INLINE Packet2i pcmp_le<Packet2i>(const Packet2i& a, const Packet2i& b) +{ return vreinterpret_s32_u32(vcle_s32(a,b)); } template<> EIGEN_STRONG_INLINE Packet4i pcmp_le<Packet4i>(const Packet4i& a, const Packet4i& b) { return vreinterpretq_s32_u32(vcleq_s32(a,b)); } +template<> EIGEN_STRONG_INLINE Packet2f pcmp_lt<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(vclt_f32(a,b)); } template<> EIGEN_STRONG_INLINE Packet4f pcmp_lt<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(vcltq_f32(a,b)); } +template<> EIGEN_STRONG_INLINE Packet2i pcmp_lt<Packet2i>(const Packet2i& a, const Packet2i& b) +{ return vreinterpret_s32_u32(vclt_s32(a,b)); } template<> EIGEN_STRONG_INLINE Packet4i pcmp_lt<Packet4i>(const Packet4i& a, const Packet4i& b) { return vreinterpretq_s32_u32(vcltq_s32(a,b)); } +template<> EIGEN_STRONG_INLINE Packet2f pcmp_eq<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(vceq_f32(a,b)); } template<> EIGEN_STRONG_INLINE Packet4f pcmp_eq<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(vceqq_f32(a,b)); } +template<> EIGEN_STRONG_INLINE Packet2i pcmp_eq<Packet2i>(const Packet2i& a, const Packet2i& b) +{ return vreinterpret_s32_u32(vceq_s32(a,b)); } template<> EIGEN_STRONG_INLINE Packet4i pcmp_eq<Packet4i>(const Packet4i& a, const Packet4i& b) { return vreinterpretq_s32_u32(vceqq_s32(a,b)); } +template<> EIGEN_STRONG_INLINE Packet2f pcmp_lt_or_nan<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(vmvn_u32(vcge_f32(a,b))); } template<> EIGEN_STRONG_INLINE Packet4f pcmp_lt_or_nan<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(vmvnq_u32(vcgeq_f32(a,b))); } +template<> EIGEN_STRONG_INLINE Packet2f pfloor<Packet2f>(const Packet2f& a) +{ + const Packet2f cst_1 = pset1<Packet2f>(1.0f); + /* perform a floorf */ + Packet2f tmp = vcvt_f32_s32(vcvt_s32_f32(a)); + + /* if greater, substract 1 */ + Packet2ui mask = vcgt_f32(tmp, a); + mask = vand_u32(mask, vreinterpret_u32_f32(cst_1)); + return vsub_f32(tmp, vreinterpret_f32_u32(mask)); +} template<> EIGEN_STRONG_INLINE Packet4f pfloor<Packet4f>(const Packet4f& a) { const Packet4f cst_1 = pset1<Packet4f>(1.0f); @@ -346,55 +460,96 @@ template<> EIGEN_STRONG_INLINE Packet4f pfloor<Packet4f>(const Packet4f& a) } // Logical Operations are not supported for float, so we have to reinterpret casts using NEON intrinsics +template<> EIGEN_STRONG_INLINE Packet2f pand<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(vand_u32(vreinterpret_u32_f32(a),vreinterpret_u32_f32(b))); } template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(vandq_u32(vreinterpretq_u32_f32(a),vreinterpretq_u32_f32(b))); } - +template<> EIGEN_STRONG_INLINE Packet2i pand<Packet2i>(const Packet2i& a, const Packet2i& b) { return vand_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(const Packet4i& a, const Packet4i& b) { return vandq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f por<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(vorr_u32(vreinterpret_u32_f32(a),vreinterpret_u32_f32(b))); } template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(vorrq_u32(vreinterpretq_u32_f32(a),vreinterpretq_u32_f32(b))); } +template<> EIGEN_STRONG_INLINE Packet2i por<Packet2i>(const Packet2i& a, const Packet2i& b) { return vorr_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(const Packet4i& a, const Packet4i& b) { return vorrq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f pxor<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(veor_u32(vreinterpret_u32_f32(a),vreinterpret_u32_f32(b))); } template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(veorq_u32(vreinterpretq_u32_f32(a),vreinterpretq_u32_f32(b))); } +template<> EIGEN_STRONG_INLINE Packet2i pxor<Packet2i>(const Packet2i& a, const Packet2i& b) { return veor_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(const Packet4i& a, const Packet4i& b) { return veorq_s32(a,b); } +template<> EIGEN_STRONG_INLINE Packet2f pandnot<Packet2f>(const Packet2f& a, const Packet2f& b) +{ return vreinterpret_f32_u32(vbic_u32(vreinterpret_u32_f32(a),vreinterpret_u32_f32(b))); } template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(const Packet4f& a, const Packet4f& b) { return vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(a),vreinterpretq_u32_f32(b))); } +template<> EIGEN_STRONG_INLINE Packet2i pandnot<Packet2i>(const Packet2i& a, const Packet2i& b) +{ return vbic_s32(a,b); } template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(const Packet4i& a, const Packet4i& b) { return vbicq_s32(a,b); } +template<int N> EIGEN_STRONG_INLINE Packet2i pshiftright(Packet2i a) { return vshr_n_s32(a,N); } template<int N> EIGEN_STRONG_INLINE Packet4i pshiftright(Packet4i a) { return vshrq_n_s32(a,N); } + +template<int N> EIGEN_STRONG_INLINE Packet2i pshiftleft(Packet2i a) { return vshl_n_s32(a,N); } template<int N> EIGEN_STRONG_INLINE Packet4i pshiftleft(Packet4i a) { return vshlq_n_s32(a,N); } +template<> EIGEN_STRONG_INLINE Packet2f pload<Packet2f>(const float* from) +{ EIGEN_DEBUG_ALIGNED_LOAD return vld1_f32(from); } template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(const float* from) { EIGEN_DEBUG_ALIGNED_LOAD return vld1q_f32(from); } +template<> EIGEN_STRONG_INLINE Packet2i pload<Packet2i>(const int32_t* from) +{ EIGEN_DEBUG_ALIGNED_LOAD return vld1_s32(from); } template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int32_t* from) { EIGEN_DEBUG_ALIGNED_LOAD return vld1q_s32(from); } +template<> EIGEN_STRONG_INLINE Packet2f ploadu<Packet2f>(const float* from) +{ EIGEN_DEBUG_UNALIGNED_LOAD return vld1_f32(from); } template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from) { EIGEN_DEBUG_UNALIGNED_LOAD return vld1q_f32(from); } +template<> EIGEN_STRONG_INLINE Packet2i ploadu<Packet2i>(const int32_t* from) +{ EIGEN_DEBUG_UNALIGNED_LOAD return vld1_s32(from); } template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int32_t* from) { EIGEN_DEBUG_UNALIGNED_LOAD return vld1q_s32(from); } +template<> EIGEN_STRONG_INLINE Packet2f ploaddup<Packet2f>(const float* from) +{ return vld1_dup_f32(from); } template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(const float* from) { return vcombine_f32(vld1_dup_f32(from), vld1_dup_f32(from+1)); } +template<> EIGEN_STRONG_INLINE Packet2i ploaddup<Packet2i>(const int32_t* from) +{ return vld1_dup_s32(from); } template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int32_t* from) { return vcombine_s32(vld1_dup_s32(from), vld1_dup_s32(from+1)); } template<> EIGEN_STRONG_INLINE Packet4f ploadquad<Packet4f>(const float* from) { return vld1q_dup_f32(from); } template<> EIGEN_STRONG_INLINE Packet4i ploadquad<Packet4i>(const int32_t* from) { return vld1q_dup_s32(from); } +template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet2f& from) +{ EIGEN_DEBUG_ALIGNED_STORE vst1_f32(to,from); } template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE vst1q_f32(to,from); } +template<> EIGEN_STRONG_INLINE void pstore<int32_t>(int32_t* to, const Packet2i& from) +{ EIGEN_DEBUG_ALIGNED_STORE vst1_s32(to,from); } template<> EIGEN_STRONG_INLINE void pstore<int32_t>(int32_t* to, const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE vst1q_s32(to,from); } +template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet2f& from) +{ EIGEN_DEBUG_UNALIGNED_STORE vst1_f32(to,from); } template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet4f& from) { EIGEN_DEBUG_UNALIGNED_STORE vst1q_f32(to,from); } +template<> EIGEN_STRONG_INLINE void pstoreu<int32_t>(int32_t* to, const Packet2i& from) +{ EIGEN_DEBUG_UNALIGNED_STORE vst1_s32(to,from); } template<> EIGEN_STRONG_INLINE void pstoreu<int32_t>(int32_t* to, const Packet4i& from) { EIGEN_DEBUG_UNALIGNED_STORE vst1q_s32(to,from); } +template<> EIGEN_DEVICE_FUNC inline Packet2f pgather<float, Packet2f>(const float* from, Index stride) +{ + Packet2f res = vld1_dup_f32(from); + res = vld1_lane_f32(from + 1*stride, res, 1); + return res; +} template<> EIGEN_DEVICE_FUNC inline Packet4f pgather<float, Packet4f>(const float* from, Index stride) { Packet4f res = vld1q_dup_f32(from); @@ -403,6 +558,12 @@ template<> EIGEN_DEVICE_FUNC inline Packet4f pgather<float, Packet4f>(const floa res = vld1q_lane_f32(from + 3*stride, res, 3); return res; } +template<> EIGEN_DEVICE_FUNC inline Packet2i pgather<int32_t, Packet2i>(const int32_t* from, Index stride) +{ + Packet2i res = vld1_dup_s32(from); + res = vld1_lane_s32(from + 1*stride, res, 1); + return res; +} template<> EIGEN_DEVICE_FUNC inline Packet4i pgather<int32_t, Packet4i>(const int32_t* from, Index stride) { Packet4i res = vld1q_dup_s32(from); @@ -412,6 +573,11 @@ template<> EIGEN_DEVICE_FUNC inline Packet4i pgather<int32_t, Packet4i>(const in return res; } +template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet2f>(float* to, const Packet2f& from, Index stride) +{ + vst1_lane_f32(to + stride*0, from, 0); + vst1_lane_f32(to + stride*1, from, 1); +} template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet4f>(float* to, const Packet4f& from, Index stride) { vst1q_lane_f32(to + stride*0, from, 0); @@ -419,6 +585,11 @@ template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet4f>(float* to, co vst1q_lane_f32(to + stride*2, from, 2); vst1q_lane_f32(to + stride*3, from, 3); } +template<> EIGEN_DEVICE_FUNC inline void pscatter<int32_t, Packet2i>(int32_t* to, const Packet2i& from, Index stride) +{ + vst1_lane_s32(to + stride*0, from, 0); + vst1_lane_s32(to + stride*1, from, 1); +} template<> EIGEN_DEVICE_FUNC inline void pscatter<int32_t, Packet4i>(int32_t* to, const Packet4i& from, Index stride) { vst1q_lane_s32(to + stride*0, from, 0); @@ -430,14 +601,18 @@ template<> EIGEN_DEVICE_FUNC inline void pscatter<int32_t, Packet4i>(int32_t* to template<> EIGEN_STRONG_INLINE void prefetch<float>(const float* addr) { EIGEN_ARM_PREFETCH(addr); } template<> EIGEN_STRONG_INLINE void prefetch<int32_t>(const int32_t* addr) { EIGEN_ARM_PREFETCH(addr); } +template<> EIGEN_STRONG_INLINE float pfirst<Packet2f>(const Packet2f& a) { return vget_lane_f32(a,0); } template<> EIGEN_STRONG_INLINE float pfirst<Packet4f>(const Packet4f& a) { return vgetq_lane_f32(a,0); } +template<> EIGEN_STRONG_INLINE int32_t pfirst<Packet2i>(const Packet2i& a) { return vget_lane_s32(a,0); } template<> EIGEN_STRONG_INLINE int32_t pfirst<Packet4i>(const Packet4i& a) { return vgetq_lane_s32(a,0); } +template<> EIGEN_STRONG_INLINE Packet2f preverse(const Packet2f& a) { return vrev64_f32(a); } template<> EIGEN_STRONG_INLINE Packet4f preverse(const Packet4f& a) { const float32x4_t a_r64 = vrev64q_f32(a); return vcombine_f32(vget_high_f32(a_r64), vget_low_f32(a_r64)); } +template<> EIGEN_STRONG_INLINE Packet2i preverse(const Packet2i& a) { return vrev64_s32(a); } template<> EIGEN_STRONG_INLINE Packet4i preverse(const Packet4i& a) { const int32x4_t a_r64 = vrev64q_s32(a); @@ -449,26 +624,39 @@ template<> EIGEN_STRONG_INLINE Packet4ui preverse(const Packet4ui& a) return vcombine_u32(vget_high_u32(a_r64), vget_low_u32(a_r64)); } +template<> EIGEN_STRONG_INLINE Packet2f pabs(const Packet2f& a) { return vabs_f32(a); } template<> EIGEN_STRONG_INLINE Packet4f pabs(const Packet4f& a) { return vabsq_f32(a); } +template<> EIGEN_STRONG_INLINE Packet2i pabs(const Packet2i& a) { return vabs_s32(a); } template<> EIGEN_STRONG_INLINE Packet4i pabs(const Packet4i& a) { return vabsq_s32(a); } +template<> EIGEN_STRONG_INLINE Packet2f pfrexp<Packet2f>(const Packet2f& a, Packet2f& exponent) +{ return pfrexp_float(a,exponent); } template<> EIGEN_STRONG_INLINE Packet4f pfrexp<Packet4f>(const Packet4f& a, Packet4f& exponent) { return pfrexp_float(a,exponent); } +template<> EIGEN_STRONG_INLINE Packet2f pldexp<Packet2f>(const Packet2f& a, const Packet2f& exponent) +{ return pldexp_float(a,exponent); } template<> EIGEN_STRONG_INLINE Packet4f pldexp<Packet4f>(const Packet4f& a, const Packet4f& exponent) { return pldexp_float(a,exponent); } +template<> EIGEN_STRONG_INLINE float predux<Packet2f>(const Packet2f& a) { return vget_lane_f32(vpadd_f32(a,a), 0); } template<> EIGEN_STRONG_INLINE float predux<Packet4f>(const Packet4f& a) { const float32x2_t sum = vadd_f32(vget_low_f32(a), vget_high_f32(a)); return vget_lane_f32(vpadd_f32(sum, sum), 0); } +template<> EIGEN_STRONG_INLINE int32_t predux<Packet2i>(const Packet2i& a) { return vget_lane_s32(vpadd_s32(a,a), 0); } template<> EIGEN_STRONG_INLINE int32_t predux<Packet4i>(const Packet4i& a) { const int32x2_t sum = vadd_s32(vget_low_s32(a), vget_high_s32(a)); return vget_lane_s32(vpadd_s32(sum, sum), 0); } +template<> EIGEN_STRONG_INLINE Packet2f preduxp<Packet2f>(const Packet2f* vecs) +{ + const float32x2x2_t vtrn = vzip_f32(vecs[0], vecs[1]); + return vadd_f32(vtrn.val[0], vtrn.val[1]); +} template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(const Packet4f* vecs) { const float32x4x2_t vtrn1 = vzipq_f32(vecs[0], vecs[2]); @@ -477,6 +665,11 @@ template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(const Packet4f* vecs) const float32x4x2_t res2 = vzipq_f32(vtrn1.val[1], vtrn2.val[1]); return vaddq_f32(vaddq_f32(res1.val[0], res1.val[1]), vaddq_f32(res2.val[0], res2.val[1])); } +template<> EIGEN_STRONG_INLINE Packet2i preduxp<Packet2i>(const Packet2i* vecs) +{ + const int32x2x2_t vtrn = vzip_s32(vecs[0], vecs[1]); + return vadd_s32(vtrn.val[0], vtrn.val[1]); +} template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(const Packet4i* vecs) { const int32x4x2_t vtrn1 = vzipq_s32(vecs[0], vecs[2]); @@ -488,27 +681,25 @@ template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(const Packet4i* vecs) // Other reduction functions: // mul +template<> EIGEN_STRONG_INLINE float predux_mul<Packet2f>(const Packet2f& a) +{ return vget_lane_f32(a, 0) * vget_lane_f32(a, 1); } template<> EIGEN_STRONG_INLINE float predux_mul<Packet4f>(const Packet4f& a) -{ - // Get the product of a_lo * a_hi -> |a1*a3|a2*a4| - const float32x2_t prod = vmul_f32(vget_low_f32(a), vget_high_f32(a)); - // Multiply prod with its swapped value |a2*a4|a1*a3| - return vget_lane_f32(vmul_f32(prod, vrev64_f32(prod)), 0); -} +{ return predux_mul(vmul_f32(vget_low_f32(a), vget_high_f32(a))); } +template<> EIGEN_STRONG_INLINE int32_t predux_mul<Packet2i>(const Packet2i& a) +{ return vget_lane_s32(a, 0) * vget_lane_s32(a, 1); } template<> EIGEN_STRONG_INLINE int32_t predux_mul<Packet4i>(const Packet4i& a) -{ - // Get the product of a_lo * a_hi -> |a1*a3|a2*a4| - const int32x2_t prod = vmul_s32(vget_low_s32(a), vget_high_s32(a)); - // Multiply prod with its swapped value |a2*a4|a1*a3| - return vget_lane_s32(vmul_s32(prod, vrev64_s32(prod)), 0); -} +{ return predux_mul(vmul_s32(vget_low_s32(a), vget_high_s32(a))); } // min +template<> EIGEN_STRONG_INLINE float predux_min<Packet2f>(const Packet2f& a) +{ return vget_lane_f32(vpmin_f32(a,a), 0); } template<> EIGEN_STRONG_INLINE float predux_min<Packet4f>(const Packet4f& a) { const float32x2_t min = vmin_f32(vget_low_f32(a), vget_high_f32(a)); return vget_lane_f32(vpmin_f32(min, min), 0); } +template<> EIGEN_STRONG_INLINE int32_t predux_min<Packet2i>(const Packet2i& a) +{ return vget_lane_s32(vpmin_s32(a,a), 0); } template<> EIGEN_STRONG_INLINE int32_t predux_min<Packet4i>(const Packet4i& a) { const int32x2_t min = vmin_s32(vget_low_s32(a), vget_high_s32(a)); @@ -516,11 +707,15 @@ template<> EIGEN_STRONG_INLINE int32_t predux_min<Packet4i>(const Packet4i& a) } // max +template<> EIGEN_STRONG_INLINE float predux_max<Packet2f>(const Packet2f& a) +{ return vget_lane_f32(vpmax_f32(a,a), 0); } template<> EIGEN_STRONG_INLINE float predux_max<Packet4f>(const Packet4f& a) { const float32x2_t max = vmax_f32(vget_low_f32(a), vget_high_f32(a)); return vget_lane_f32(vpmax_f32(max, max), 0); } +template<> EIGEN_STRONG_INLINE int32_t predux_max<Packet2i>(const Packet2i& a) +{ return vget_lane_s32(vpmax_s32(a,a), 0); } template<> EIGEN_STRONG_INLINE int32_t predux_max<Packet4i>(const Packet4i& a) { const int32x2_t max = vmax_s32(vget_low_s32(a), vget_high_s32(a)); @@ -547,11 +742,17 @@ struct palign_impl<Offset,Type>\ }\ };\ +PALIGN_NEON(0, Packet2f, vext_f32) +PALIGN_NEON(1, Packet2f, vext_f32) + PALIGN_NEON(0, Packet4f, vextq_f32) PALIGN_NEON(1, Packet4f, vextq_f32) PALIGN_NEON(2, Packet4f, vextq_f32) PALIGN_NEON(3, Packet4f, vextq_f32) +PALIGN_NEON(0, Packet2i, vext_s32) +PALIGN_NEON(1, Packet2i, vext_s32) + PALIGN_NEON(0, Packet4i, vextq_s32) PALIGN_NEON(1, Packet4i, vextq_s32) PALIGN_NEON(2, Packet4i, vextq_s32) @@ -559,6 +760,12 @@ PALIGN_NEON(3, Packet4i, vextq_s32) #undef PALIGN_NEON +EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet2f, 2>& kernel) +{ + const float32x2x2_t z = vzip_f32(kernel.packet[0], kernel.packet[1]); + kernel.packet[0] = z.val[0]; + kernel.packet[1] = z.val[1]; +} EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet4f, 4>& kernel) { const float32x4x2_t tmp1 = vzipq_f32(kernel.packet[0], kernel.packet[1]); @@ -569,7 +776,12 @@ EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet4f, 4>& kernel) 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])); } - +EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet2i, 2>& kernel) +{ + const int32x2x2_t z = vzip_s32(kernel.packet[0], kernel.packet[1]); + kernel.packet[0] = z.val[0]; + kernel.packet[1] = z.val[1]; +} EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet4i, 4>& kernel) { const int32x4x2_t tmp1 = vzipq_s32(kernel.packet[0], kernel.packet[1]); |