diff options
Diffstat (limited to 'thirdparty/embree/common/simd/vuint8_avx2.h')
| -rw-r--r-- | thirdparty/embree/common/simd/vuint8_avx2.h | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/thirdparty/embree/common/simd/vuint8_avx2.h b/thirdparty/embree/common/simd/vuint8_avx2.h new file mode 100644 index 0000000000..17b994522f --- /dev/null +++ b/thirdparty/embree/common/simd/vuint8_avx2.h @@ -0,0 +1,446 @@ +// Copyright 2009-2021 Intel Corporation +// SPDX-License-Identifier: Apache-2.0 + +#pragma once + +#define vboolf vboolf_impl +#define vboold vboold_impl +#define vint vint_impl +#define vuint vuint_impl +#define vllong vllong_impl +#define vfloat vfloat_impl +#define vdouble vdouble_impl + +namespace embree +{ + /* 8-wide AVX integer type */ + template<> + struct vuint<8> + { + ALIGNED_STRUCT_(32); + + typedef vboolf8 Bool; + typedef vuint8 Int; + typedef vfloat8 Float; + + enum { size = 8 }; // number of SIMD elements + union { // data + __m256i v; + unsigned int i[8]; + }; + + //////////////////////////////////////////////////////////////////////////////// + /// Constructors, Assignment & Cast Operators + //////////////////////////////////////////////////////////////////////////////// + + __forceinline vuint() {} + __forceinline vuint(const vuint8& a) { v = a.v; } + __forceinline vuint8& operator =(const vuint8& a) { v = a.v; return *this; } + + __forceinline vuint(__m256i a) : v(a) {} + __forceinline operator const __m256i&() const { return v; } + __forceinline operator __m256i&() { return v; } + + __forceinline explicit vuint(const vuint4& a) : v(_mm256_insertf128_si256(_mm256_castsi128_si256(a),a,1)) {} + __forceinline vuint(const vuint4& a, const vuint4& b) : v(_mm256_insertf128_si256(_mm256_castsi128_si256(a),b,1)) {} + __forceinline vuint(const __m128i& a, const __m128i& b) : v(_mm256_insertf128_si256(_mm256_castsi128_si256(a),b,1)) {} + + __forceinline explicit vuint(const unsigned int* a) : v(_mm256_castps_si256(_mm256_loadu_ps((const float*)a))) {} + __forceinline vuint(unsigned int a) : v(_mm256_set1_epi32(a)) {} + __forceinline vuint(unsigned int a, unsigned int b) : v(_mm256_set_epi32(b, a, b, a, b, a, b, a)) {} + __forceinline vuint(unsigned int a, unsigned int b, unsigned int c, unsigned int d) : v(_mm256_set_epi32(d, c, b, a, d, c, b, a)) {} + __forceinline vuint(unsigned int a, unsigned int b, unsigned int c, unsigned int d, unsigned int e, unsigned int f, unsigned int g, unsigned int h) : v(_mm256_set_epi32(h, g, f, e, d, c, b, a)) {} + + __forceinline explicit vuint(__m256 a) : v(_mm256_cvtps_epi32(a)) {} + +#if defined(__AVX512VL__) + __forceinline explicit vuint(const vboolf8& a) : v(_mm256_movm_epi32(a)) {} +#else + __forceinline explicit vuint(const vboolf8& a) : v(_mm256_castps_si256((__m256)a)) {} +#endif + + //////////////////////////////////////////////////////////////////////////////// + /// Constants + //////////////////////////////////////////////////////////////////////////////// + + __forceinline vuint(ZeroTy) : v(_mm256_setzero_si256()) {} + __forceinline vuint(OneTy) : v(_mm256_set1_epi32(1)) {} + __forceinline vuint(PosInfTy) : v(_mm256_set1_epi32(pos_inf)) {} + __forceinline vuint(NegInfTy) : v(_mm256_set1_epi32(neg_inf)) {} + __forceinline vuint(StepTy) : v(_mm256_set_epi32(7, 6, 5, 4, 3, 2, 1, 0)) {} + __forceinline vuint(UndefinedTy) : v(_mm256_undefined_si256()) {} + + //////////////////////////////////////////////////////////////////////////////// + /// Loads and Stores + //////////////////////////////////////////////////////////////////////////////// + + static __forceinline vuint8 load(const unsigned char* ptr) { return _mm256_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr)); } + static __forceinline vuint8 loadu(const unsigned char* ptr) { return _mm256_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr)); } + static __forceinline vuint8 load(const unsigned short* ptr) { return _mm256_cvtepu16_epi32(_mm_load_si128((__m128i*)ptr)); } + static __forceinline vuint8 loadu(const unsigned short* ptr) { return _mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i*)ptr)); } + + static __forceinline vuint8 load(const void* ptr) { return _mm256_load_si256((__m256i*)ptr); } + static __forceinline vuint8 loadu(const void* ptr) { return _mm256_loadu_si256((__m256i*)ptr); } + + static __forceinline void store (void* ptr, const vuint8& v) { _mm256_store_si256((__m256i*)ptr,v); } + static __forceinline void storeu(void* ptr, const vuint8& v) { _mm256_storeu_ps((float*)ptr,_mm256_castsi256_ps(v)); } + +#if defined(__AVX512VL__) + + static __forceinline vuint8 compact(const vboolf8& mask, vuint8 &v) { + return _mm256_mask_compress_epi32(v, mask, v); + } + static __forceinline vuint8 compact(const vboolf8& mask, vuint8 &a, const vuint8& b) { + return _mm256_mask_compress_epi32(a, mask, b); + } + + static __forceinline vuint8 load (const vboolf8& mask, const void* ptr) { return _mm256_mask_load_epi32 (_mm256_setzero_si256(),mask,ptr); } + static __forceinline vuint8 loadu(const vboolf8& mask, const void* ptr) { return _mm256_mask_loadu_epi32(_mm256_setzero_si256(),mask,ptr); } + + static __forceinline void store (const vboolf8& mask, void* ptr, const vuint8& v) { _mm256_mask_store_epi32 (ptr,mask,v); } + static __forceinline void storeu(const vboolf8& mask, void* ptr, const vuint8& v) { _mm256_mask_storeu_epi32(ptr,mask,v); } +#else + static __forceinline vuint8 load (const vboolf8& mask, const void* ptr) { return _mm256_castps_si256(_mm256_maskload_ps((float*)ptr,mask)); } + static __forceinline vuint8 loadu(const vboolf8& mask, const void* ptr) { return _mm256_castps_si256(_mm256_maskload_ps((float*)ptr,mask)); } + + static __forceinline void store (const vboolf8& mask, void* ptr, const vuint8& v) { _mm256_maskstore_epi32((int*)ptr,mask,v); } + static __forceinline void storeu(const vboolf8& mask, void* ptr, const vuint8& v) { _mm256_maskstore_epi32((int*)ptr,mask,v); } +#endif + + static __forceinline vuint8 load_nt(void* ptr) { + return _mm256_stream_load_si256((__m256i*)ptr); + } + + static __forceinline void store_nt(void* ptr, const vuint8& v) { + _mm256_stream_ps((float*)ptr,_mm256_castsi256_ps(v)); + } + + static __forceinline void store(unsigned char* ptr, const vuint8& i) + { + for (size_t j=0; j<8; j++) + ptr[j] = i[j]; + } + + static __forceinline void store(unsigned short* ptr, const vuint8& v) { + for (size_t i=0;i<8;i++) + ptr[i] = (unsigned short)v[i]; + } + + template<int scale = 4> + static __forceinline vuint8 gather(const unsigned int *const ptr, const vint8& index) { + return _mm256_i32gather_epi32((const int*) ptr, index, scale); + } + + template<int scale = 4> + static __forceinline vuint8 gather(const vboolf8& mask, const unsigned int *const ptr, const vint8& index) { + vuint8 r = zero; +#if defined(__AVX512VL__) + return _mm256_mmask_i32gather_epi32(r, mask, index, (const int*) ptr, scale); +#else + return _mm256_mask_i32gather_epi32(r, (const int*) ptr, index, mask, scale); +#endif + } + + template<int scale = 4> + static __forceinline void scatter(void* ptr, const vint8& ofs, const vuint8& v) + { +#if defined(__AVX512VL__) + _mm256_i32scatter_epi32((int*)ptr, ofs, v, scale); +#else + *(unsigned int*)(((char*)ptr)+scale*ofs[0]) = v[0]; + *(unsigned int*)(((char*)ptr)+scale*ofs[1]) = v[1]; + *(unsigned int*)(((char*)ptr)+scale*ofs[2]) = v[2]; + *(unsigned int*)(((char*)ptr)+scale*ofs[3]) = v[3]; + *(unsigned int*)(((char*)ptr)+scale*ofs[4]) = v[4]; + *(unsigned int*)(((char*)ptr)+scale*ofs[5]) = v[5]; + *(unsigned int*)(((char*)ptr)+scale*ofs[6]) = v[6]; + *(unsigned int*)(((char*)ptr)+scale*ofs[7]) = v[7]; +#endif + } + + template<int scale = 4> + static __forceinline void scatter(const vboolf8& mask, void* ptr, const vint8& ofs, const vuint8& v) + { +#if defined(__AVX512VL__) + _mm256_mask_i32scatter_epi32((int*)ptr, mask, ofs, v, scale); +#else + if (likely(mask[0])) *(unsigned int*)(((char*)ptr)+scale*ofs[0]) = v[0]; + if (likely(mask[1])) *(unsigned int*)(((char*)ptr)+scale*ofs[1]) = v[1]; + if (likely(mask[2])) *(unsigned int*)(((char*)ptr)+scale*ofs[2]) = v[2]; + if (likely(mask[3])) *(unsigned int*)(((char*)ptr)+scale*ofs[3]) = v[3]; + if (likely(mask[4])) *(unsigned int*)(((char*)ptr)+scale*ofs[4]) = v[4]; + if (likely(mask[5])) *(unsigned int*)(((char*)ptr)+scale*ofs[5]) = v[5]; + if (likely(mask[6])) *(unsigned int*)(((char*)ptr)+scale*ofs[6]) = v[6]; + if (likely(mask[7])) *(unsigned int*)(((char*)ptr)+scale*ofs[7]) = v[7]; +#endif + } + + static __forceinline vuint8 broadcast64(const long long &a) { return _mm256_set1_epi64x(a); } + + //////////////////////////////////////////////////////////////////////////////// + /// Array Access + //////////////////////////////////////////////////////////////////////////////// + + __forceinline const unsigned int& operator [](size_t index) const { assert(index < 8); return i[index]; } + __forceinline unsigned int& operator [](size_t index) { assert(index < 8); return i[index]; } + }; + + //////////////////////////////////////////////////////////////////////////////// + /// Unary Operators + //////////////////////////////////////////////////////////////////////////////// + +#if defined(__AVX512VL__) + __forceinline vboolf8 asBool(const vuint8& a) { return _mm256_movepi32_mask(a); } +#else + __forceinline vboolf8 asBool(const vuint8& a) { return _mm256_castsi256_ps(a); } +#endif + + __forceinline vuint8 operator +(const vuint8& a) { return a; } + + //////////////////////////////////////////////////////////////////////////////// + /// Binary Operators + //////////////////////////////////////////////////////////////////////////////// + + __forceinline vuint8 operator +(const vuint8& a, const vuint8& b) { return _mm256_add_epi32(a, b); } + __forceinline vuint8 operator +(const vuint8& a, unsigned int b) { return a + vuint8(b); } + __forceinline vuint8 operator +(unsigned int a, const vuint8& b) { return vuint8(a) + b; } + + __forceinline vuint8 operator -(const vuint8& a, const vuint8& b) { return _mm256_sub_epi32(a, b); } + __forceinline vuint8 operator -(const vuint8& a, unsigned int b) { return a - vuint8(b); } + __forceinline vuint8 operator -(unsigned int a, const vuint8& b) { return vuint8(a) - b; } + + //__forceinline vuint8 operator *(const vuint8& a, const vuint8& b) { return _mm256_mullo_epu32(a, b); } + //__forceinline vuint8 operator *(const vuint8& a, unsigned int b) { return a * vuint8(b); } + //__forceinline vuint8 operator *(unsigned int a, const vuint8& b) { return vuint8(a) * b; } + + __forceinline vuint8 operator &(const vuint8& a, const vuint8& b) { return _mm256_and_si256(a, b); } + __forceinline vuint8 operator &(const vuint8& a, unsigned int b) { return a & vuint8(b); } + __forceinline vuint8 operator &(unsigned int a, const vuint8& b) { return vuint8(a) & b; } + + __forceinline vuint8 operator |(const vuint8& a, const vuint8& b) { return _mm256_or_si256(a, b); } + __forceinline vuint8 operator |(const vuint8& a, unsigned int b) { return a | vuint8(b); } + __forceinline vuint8 operator |(unsigned int a, const vuint8& b) { return vuint8(a) | b; } + + __forceinline vuint8 operator ^(const vuint8& a, const vuint8& b) { return _mm256_xor_si256(a, b); } + __forceinline vuint8 operator ^(const vuint8& a, unsigned int b) { return a ^ vuint8(b); } + __forceinline vuint8 operator ^(unsigned int a, const vuint8& b) { return vuint8(a) ^ b; } + + __forceinline vuint8 operator <<(const vuint8& a, unsigned int n) { return _mm256_slli_epi32(a, n); } + __forceinline vuint8 operator >>(const vuint8& a, unsigned int n) { return _mm256_srli_epi32(a, n); } + + __forceinline vuint8 operator <<(const vuint8& a, const vuint8& n) { return _mm256_sllv_epi32(a, n); } + __forceinline vuint8 operator >>(const vuint8& a, const vuint8& n) { return _mm256_srlv_epi32(a, n); } + + __forceinline vuint8 sll(const vuint8& a, unsigned int b) { return _mm256_slli_epi32(a, b); } + __forceinline vuint8 sra(const vuint8& a, unsigned int b) { return _mm256_srai_epi32(a, b); } + __forceinline vuint8 srl(const vuint8& a, unsigned int b) { return _mm256_srli_epi32(a, b); } + + __forceinline vuint8 sll(const vuint8& a, const vuint8& b) { return _mm256_sllv_epi32(a, b); } + __forceinline vuint8 sra(const vuint8& a, const vuint8& b) { return _mm256_srav_epi32(a, b); } + __forceinline vuint8 srl(const vuint8& a, const vuint8& b) { return _mm256_srlv_epi32(a, b); } + + __forceinline vuint8 min(const vuint8& a, const vuint8& b) { return _mm256_min_epu32(a, b); } + __forceinline vuint8 min(const vuint8& a, unsigned int b) { return min(a,vuint8(b)); } + __forceinline vuint8 min(unsigned int a, const vuint8& b) { return min(vuint8(a),b); } + + __forceinline vuint8 max(const vuint8& a, const vuint8& b) { return _mm256_max_epu32(a, b); } + __forceinline vuint8 max(const vuint8& a, unsigned int b) { return max(a,vuint8(b)); } + __forceinline vuint8 max(unsigned int a, const vuint8& b) { return max(vuint8(a),b); } + + //////////////////////////////////////////////////////////////////////////////// + /// Assignment Operators + //////////////////////////////////////////////////////////////////////////////// + + __forceinline vuint8& operator +=(vuint8& a, const vuint8& b) { return a = a + b; } + __forceinline vuint8& operator +=(vuint8& a, unsigned int b) { return a = a + b; } + + __forceinline vuint8& operator -=(vuint8& a, const vuint8& b) { return a = a - b; } + __forceinline vuint8& operator -=(vuint8& a, unsigned int b) { return a = a - b; } + + //__forceinline vuint8& operator *=(vuint8& a, const vuint8& b) { return a = a * b; } + //__forceinline vuint8& operator *=(vuint8& a, unsigned int b) { return a = a * b; } + + __forceinline vuint8& operator &=(vuint8& a, const vuint8& b) { return a = a & b; } + __forceinline vuint8& operator &=(vuint8& a, unsigned int b) { return a = a & b; } + + __forceinline vuint8& operator |=(vuint8& a, const vuint8& b) { return a = a | b; } + __forceinline vuint8& operator |=(vuint8& a, unsigned int b) { return a = a | b; } + + __forceinline vuint8& operator <<=(vuint8& a, const unsigned int b) { return a = a << b; } + __forceinline vuint8& operator >>=(vuint8& a, const unsigned int b) { return a = a >> b; } + + //////////////////////////////////////////////////////////////////////////////// + /// Comparison Operators + Select + //////////////////////////////////////////////////////////////////////////////// + +#if defined(__AVX512VL__) + __forceinline vboolf8 operator ==(const vuint8& a, const vuint8& b) { return _mm256_cmp_epu32_mask(a,b,_MM_CMPINT_EQ); } + __forceinline vboolf8 operator !=(const vuint8& a, const vuint8& b) { return _mm256_cmp_epu32_mask(a,b,_MM_CMPINT_NE); } + __forceinline vboolf8 operator < (const vuint8& a, const vuint8& b) { return _mm256_cmp_epu32_mask(a,b,_MM_CMPINT_LT); } + __forceinline vboolf8 operator >=(const vuint8& a, const vuint8& b) { return _mm256_cmp_epu32_mask(a,b,_MM_CMPINT_GE); } + __forceinline vboolf8 operator > (const vuint8& a, const vuint8& b) { return _mm256_cmp_epu32_mask(a,b,_MM_CMPINT_GT); } + __forceinline vboolf8 operator <=(const vuint8& a, const vuint8& b) { return _mm256_cmp_epu32_mask(a,b,_MM_CMPINT_LE); } + + __forceinline vuint8 select(const vboolf8& m, const vuint8& t, const vuint8& f) { + return _mm256_mask_blend_epi32(m, (__m256i)f, (__m256i)t); + } +#else + __forceinline vboolf8 operator ==(const vuint8& a, const vuint8& b) { return _mm256_castsi256_ps(_mm256_cmpeq_epi32(a, b)); } + __forceinline vboolf8 operator !=(const vuint8& a, const vuint8& b) { return !(a == b); } + //__forceinline vboolf8 operator < (const vuint8& a, const vuint8& b) { return _mm256_castsi256_ps(_mm256_cmpgt_epu32(b, a)); } + //__forceinline vboolf8 operator >=(const vuint8& a, const vuint8& b) { return !(a < b); } + //__forceinline vboolf8 operator > (const vuint8& a, const vuint8& b) { return _mm256_castsi256_ps(_mm256_cmpgt_epu32(a, b)); } + //__forceinline vboolf8 operator <=(const vuint8& a, const vuint8& b) { return !(a > b); } + + __forceinline vuint8 select(const vboolf8& m, const vuint8& t, const vuint8& f) { + return _mm256_castps_si256(_mm256_blendv_ps(_mm256_castsi256_ps(f), _mm256_castsi256_ps(t), m)); + } +#endif + + template<int mask> + __forceinline vuint8 select(const vuint8& t, const vuint8& f) { + return _mm256_blend_epi32(f, t, mask); + } + + __forceinline vboolf8 operator ==(const vuint8& a, unsigned int b) { return a == vuint8(b); } + __forceinline vboolf8 operator ==(unsigned int a, const vuint8& b) { return vuint8(a) == b; } + + __forceinline vboolf8 operator !=(const vuint8& a, unsigned int b) { return a != vuint8(b); } + __forceinline vboolf8 operator !=(unsigned int a, const vuint8& b) { return vuint8(a) != b; } + + //__forceinline vboolf8 operator < (const vuint8& a, unsigned int b) { return a < vuint8(b); } + //__forceinline vboolf8 operator < (unsigned int a, const vuint8& b) { return vuint8(a) < b; } + + //__forceinline vboolf8 operator >=(const vuint8& a, unsigned int b) { return a >= vuint8(b); } + //__forceinline vboolf8 operator >=(unsigned int a, const vuint8& b) { return vuint8(a) >= b; } + + //__forceinline vboolf8 operator > (const vuint8& a, unsigned int b) { return a > vuint8(b); } + //__forceinline vboolf8 operator > (unsigned int a, const vuint8& b) { return vuint8(a) > b; } + + //__forceinline vboolf8 operator <=(const vuint8& a, unsigned int b) { return a <= vuint8(b); } + //__forceinline vboolf8 operator <=(unsigned int a, const vuint8& b) { return vuint8(a) <= b; } + + __forceinline vboolf8 eq(const vuint8& a, const vuint8& b) { return a == b; } + __forceinline vboolf8 ne(const vuint8& a, const vuint8& b) { return a != b; } + //__forceinline vboolf8 lt(const vuint8& a, const vuint8& b) { return a < b; } + //__forceinline vboolf8 ge(const vuint8& a, const vuint8& b) { return a >= b; } + //__forceinline vboolf8 gt(const vuint8& a, const vuint8& b) { return a > b; } + //__forceinline vboolf8 le(const vuint8& a, const vuint8& b) { return a <= b; } + +#if defined(__AVX512VL__) + __forceinline vboolf8 eq(const vboolf8& mask, const vuint8& a, const vuint8& b) { return _mm256_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_EQ); } + __forceinline vboolf8 ne(const vboolf8& mask, const vuint8& a, const vuint8& b) { return _mm256_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_NE); } + __forceinline vboolf8 lt(const vboolf8& mask, const vuint8& a, const vuint8& b) { return _mm256_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LT); } + __forceinline vboolf8 ge(const vboolf8& mask, const vuint8& a, const vuint8& b) { return _mm256_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GE); } + __forceinline vboolf8 gt(const vboolf8& mask, const vuint8& a, const vuint8& b) { return _mm256_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GT); } + __forceinline vboolf8 le(const vboolf8& mask, const vuint8& a, const vuint8& b) { return _mm256_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LE); } +#else + __forceinline vboolf8 eq(const vboolf8& mask, const vuint8& a, const vuint8& b) { return mask & (a == b); } + __forceinline vboolf8 ne(const vboolf8& mask, const vuint8& a, const vuint8& b) { return mask & (a != b); } + //__forceinline vboolf8 lt(const vboolf8& mask, const vuint8& a, const vuint8& b) { return mask & (a < b); } + //__forceinline vboolf8 ge(const vboolf8& mask, const vuint8& a, const vuint8& b) { return mask & (a >= b); } + //__forceinline vboolf8 gt(const vboolf8& mask, const vuint8& a, const vuint8& b) { return mask & (a > b); } + //__forceinline vboolf8 le(const vboolf8& mask, const vuint8& a, const vuint8& b) { return mask & (a <= b); } +#endif + + //////////////////////////////////////////////////////////////////////////////// + /// Movement/Shifting/Shuffling Functions + //////////////////////////////////////////////////////////////////////////////// + + __forceinline vuint8 unpacklo(const vuint8& a, const vuint8& b) { return _mm256_unpacklo_epi32(a, b); } + __forceinline vuint8 unpackhi(const vuint8& a, const vuint8& b) { return _mm256_unpackhi_epi32(a, b); } + + template<int i> + __forceinline vuint8 shuffle(const vuint8& v) { + return _mm256_castps_si256(_mm256_permute_ps(_mm256_castsi256_ps(v), _MM_SHUFFLE(i, i, i, i))); + } + + template<int i0, int i1> + __forceinline vuint8 shuffle4(const vuint8& v) { + return _mm256_permute2f128_si256(v, v, (i1 << 4) | (i0 << 0)); + } + + template<int i0, int i1> + __forceinline vuint8 shuffle4(const vuint8& a, const vuint8& b) { + return _mm256_permute2f128_si256(a, b, (i1 << 4) | (i0 << 0)); + } + + template<int i0, int i1, int i2, int i3> + __forceinline vuint8 shuffle(const vuint8& v) { + return _mm256_castps_si256(_mm256_permute_ps(_mm256_castsi256_ps(v), _MM_SHUFFLE(i3, i2, i1, i0))); + } + + template<int i0, int i1, int i2, int i3> + __forceinline vuint8 shuffle(const vuint8& a, const vuint8& b) { + return _mm256_castps_si256(_mm256_shuffle_ps(_mm256_castsi256_ps(a), _mm256_castsi256_ps(b), _MM_SHUFFLE(i3, i2, i1, i0))); + } + + template<> __forceinline vuint8 shuffle<0, 0, 2, 2>(const vuint8& v) { return _mm256_castps_si256(_mm256_moveldup_ps(_mm256_castsi256_ps(v))); } + template<> __forceinline vuint8 shuffle<1, 1, 3, 3>(const vuint8& v) { return _mm256_castps_si256(_mm256_movehdup_ps(_mm256_castsi256_ps(v))); } + template<> __forceinline vuint8 shuffle<0, 1, 0, 1>(const vuint8& v) { return _mm256_castps_si256(_mm256_castpd_ps(_mm256_movedup_pd(_mm256_castps_pd(_mm256_castsi256_ps(v))))); } + + template<int i> __forceinline vuint8 insert4(const vuint8& a, const vuint4& b) { return _mm256_insertf128_si256(a, b, i); } + template<int i> __forceinline vuint4 extract4(const vuint8& a) { return _mm256_extractf128_si256(a, i); } + template<> __forceinline vuint4 extract4<0>(const vuint8& a) { return _mm256_castsi256_si128(a); } + + __forceinline int toScalar(const vuint8& v) { return _mm_cvtsi128_si32(_mm256_castsi256_si128(v)); } + + __forceinline vuint8 permute(const vuint8& v, const __m256i& index) { + return _mm256_permutevar8x32_epi32(v, index); + } + + __forceinline vuint8 shuffle(const vuint8& v, const __m256i& index) { + return _mm256_castps_si256(_mm256_permutevar_ps(_mm256_castsi256_ps(v), index)); + } + + template<int i> + __forceinline vuint8 align_shift_right(const vuint8& a, const vuint8& b) { +#if defined(__AVX512VL__) + return _mm256_alignr_epi32(a, b, i); +#else + return _mm256_alignr_epi8(a, b, 4*i); +#endif + } + + //////////////////////////////////////////////////////////////////////////////// + /// Reductions + //////////////////////////////////////////////////////////////////////////////// + + //__forceinline vuint8 vreduce_min2(const vuint8& v) { return min(v,shuffle<1,0,3,2>(v)); } + //__forceinline vuint8 vreduce_min4(const vuint8& v) { vuint8 v1 = vreduce_min2(v); return min(v1,shuffle<2,3,0,1>(v1)); } + //__forceinline vuint8 vreduce_min (const vuint8& v) { vuint8 v1 = vreduce_min4(v); return min(v1,shuffle4<1,0>(v1)); } + + //__forceinline vuint8 vreduce_max2(const vuint8& v) { return max(v,shuffle<1,0,3,2>(v)); } + //__forceinline vuint8 vreduce_max4(const vuint8& v) { vuint8 v1 = vreduce_max2(v); return max(v1,shuffle<2,3,0,1>(v1)); } + //__forceinline vuint8 vreduce_max (const vuint8& v) { vuint8 v1 = vreduce_max4(v); return max(v1,shuffle4<1,0>(v1)); } + + __forceinline vuint8 vreduce_add2(const vuint8& v) { return v + shuffle<1,0,3,2>(v); } + __forceinline vuint8 vreduce_add4(const vuint8& v) { vuint8 v1 = vreduce_add2(v); return v1 + shuffle<2,3,0,1>(v1); } + __forceinline vuint8 vreduce_add (const vuint8& v) { vuint8 v1 = vreduce_add4(v); return v1 + shuffle4<1,0>(v1); } + + //__forceinline int reduce_min(const vuint8& v) { return toScalar(vreduce_min(v)); } + //__forceinline int reduce_max(const vuint8& v) { return toScalar(vreduce_max(v)); } + __forceinline int reduce_add(const vuint8& v) { return toScalar(vreduce_add(v)); } + + //__forceinline size_t select_min(const vuint8& v) { return bsf(movemask(v == vreduce_min(v))); } + //__forceinline size_t select_max(const vuint8& v) { return bsf(movemask(v == vreduce_max(v))); } + + //__forceinline size_t select_min(const vboolf8& valid, const vuint8& v) { const vuint8 a = select(valid,v,vuint8(pos_inf)); return bsf(movemask(valid & (a == vreduce_min(a)))); } + //__forceinline size_t select_max(const vboolf8& valid, const vuint8& v) { const vuint8 a = select(valid,v,vuint8(neg_inf)); return bsf(movemask(valid & (a == vreduce_max(a)))); } + + //////////////////////////////////////////////////////////////////////////////// + /// Output Operators + //////////////////////////////////////////////////////////////////////////////// + + __forceinline embree_ostream operator <<(embree_ostream cout, const vuint8& a) { + return cout << "<" << a[0] << ", " << a[1] << ", " << a[2] << ", " << a[3] << ", " << a[4] << ", " << a[5] << ", " << a[6] << ", " << a[7] << ">"; + } +} + +#undef vboolf +#undef vboold +#undef vint +#undef vuint +#undef vllong +#undef vfloat +#undef vdouble |