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++ // 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
++ {
++ /* 4-wide AVX2 64-bit long long type */
++ template<>
++ struct vllong<4>
++ {
++ ALIGNED_STRUCT_(32);
++
++ typedef vboold4 Bool;
++
++ enum { size = 4 }; // number of SIMD elements
++ union { // data
++ __m256i v;
++ long long i[4];
++ };
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Constructors, Assignment & Cast Operators
++ ////////////////////////////////////////////////////////////////////////////////
++
++ __forceinline vllong() {}
++ __forceinline vllong(const vllong4& t) { v = t.v; }
++ __forceinline vllong4& operator =(const vllong4& f) { v = f.v; return *this; }
++
++ __forceinline vllong(const __m256i& t) { v = t; }
++ __forceinline operator __m256i() const { return v; }
++ __forceinline operator __m256d() const { return _mm256_castsi256_pd(v); }
++
++
++ __forceinline vllong(long long i) {
++ v = _mm256_set1_epi64x(i);
++ }
++
++ __forceinline vllong(long long a, long long b, long long c, long long d) {
++ v = _mm256_set_epi64x(d,c,b,a);
++ }
++
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Constants
++ ////////////////////////////////////////////////////////////////////////////////
++
++ __forceinline vllong(ZeroTy) : v(_mm256_setzero_si256()) {}
++ __forceinline vllong(OneTy) : v(_mm256_set1_epi64x(1)) {}
++ __forceinline vllong(StepTy) : v(_mm256_set_epi64x(3,2,1,0)) {}
++ __forceinline vllong(ReverseStepTy) : v(_mm256_set_epi64x(0,1,2,3)) {}
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Loads and Stores
++ ////////////////////////////////////////////////////////////////////////////////
++
++ static __forceinline void store_nt(void* __restrict__ ptr, const vllong4& a) {
++ _mm256_stream_ps((float*)ptr,_mm256_castsi256_ps(a));
++ }
++
++ static __forceinline vllong4 loadu(const void* addr)
++ {
++ return _mm256_loadu_si256((__m256i*)addr);
++ }
++
++ static __forceinline vllong4 load(const vllong4* addr) {
++ return _mm256_load_si256((__m256i*)addr);
++ }
++
++ static __forceinline vllong4 load(const long long* addr) {
++ return _mm256_load_si256((__m256i*)addr);
++ }
++
++ static __forceinline void store(void* ptr, const vllong4& v) {
++ _mm256_store_si256((__m256i*)ptr,v);
++ }
++
++ static __forceinline void storeu(void* ptr, const vllong4& v) {
++ _mm256_storeu_si256((__m256i*)ptr,v);
++ }
++
++ static __forceinline void storeu(const vboold4& mask, long long* ptr, const vllong4& f) {
++ #if defined(__AVX512VL__)
++ _mm256_mask_storeu_epi64(ptr,mask,f);
++ #else
++ _mm256_maskstore_pd((double*)ptr,mask,_mm256_castsi256_pd(f));
++ #endif
++ }
++
++ static __forceinline void store(const vboold4& mask, void* ptr, const vllong4& f) {
++ #if defined(__AVX512VL__)
++ _mm256_mask_store_epi64(ptr,mask,f);
++ #else
++ _mm256_maskstore_pd((double*)ptr,mask,_mm256_castsi256_pd(f));
++ #endif
++ }
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Array Access
++ ////////////////////////////////////////////////////////////////////////////////
++
++ __forceinline long long& operator [](size_t index) { assert(index < 4); return i[index]; }
++ __forceinline const long long& operator [](size_t index) const { assert(index < 4); return i[index]; }
++
++ };
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Select
++ ////////////////////////////////////////////////////////////////////////////////
++
++ __forceinline vllong4 select(const vboold4& m, const vllong4& t, const vllong4& f) {
++ #if defined(__AVX512VL__)
++ return _mm256_mask_blend_epi64(m, f, t);
++ #else
++ return _mm256_castpd_si256(_mm256_blendv_pd(_mm256_castsi256_pd(f), _mm256_castsi256_pd(t), m));
++ #endif
++ }
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Unary Operators
++ ////////////////////////////////////////////////////////////////////////////////
++
++ #if defined(__AVX512VL__)
++ __forceinline vboold4 asBool(const vllong4& a) { return _mm256_movepi64_mask(a); }
++ #else
++ __forceinline vboold4 asBool(const vllong4& a) { return _mm256_castsi256_pd(a); }
++ #endif
++
++ __forceinline vllong4 operator +(const vllong4& a) { return a; }
++ __forceinline vllong4 operator -(const vllong4& a) { return _mm256_sub_epi64(_mm256_setzero_si256(), a); }
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Binary Operators
++ ////////////////////////////////////////////////////////////////////////////////
++
++ __forceinline vllong4 operator +(const vllong4& a, const vllong4& b) { return _mm256_add_epi64(a, b); }
++ __forceinline vllong4 operator +(const vllong4& a, long long b) { return a + vllong4(b); }
++ __forceinline vllong4 operator +(long long a, const vllong4& b) { return vllong4(a) + b; }
++
++ __forceinline vllong4 operator -(const vllong4& a, const vllong4& b) { return _mm256_sub_epi64(a, b); }
++ __forceinline vllong4 operator -(const vllong4& a, long long b) { return a - vllong4(b); }
++ __forceinline vllong4 operator -(long long a, const vllong4& b) { return vllong4(a) - b; }
++
++ /* only low 32bit part */
++ __forceinline vllong4 operator *(const vllong4& a, const vllong4& b) { return _mm256_mul_epi32(a, b); }
++ __forceinline vllong4 operator *(const vllong4& a, long long b) { return a * vllong4(b); }
++ __forceinline vllong4 operator *(long long a, const vllong4& b) { return vllong4(a) * b; }
++
++ __forceinline vllong4 operator &(const vllong4& a, const vllong4& b) { return _mm256_and_si256(a, b); }
++ __forceinline vllong4 operator &(const vllong4& a, long long b) { return a & vllong4(b); }
++ __forceinline vllong4 operator &(long long a, const vllong4& b) { return vllong4(a) & b; }
++
++ __forceinline vllong4 operator |(const vllong4& a, const vllong4& b) { return _mm256_or_si256(a, b); }
++ __forceinline vllong4 operator |(const vllong4& a, long long b) { return a | vllong4(b); }
++ __forceinline vllong4 operator |(long long a, const vllong4& b) { return vllong4(a) | b; }
++
++ __forceinline vllong4 operator ^(const vllong4& a, const vllong4& b) { return _mm256_xor_si256(a, b); }
++ __forceinline vllong4 operator ^(const vllong4& a, long long b) { return a ^ vllong4(b); }
++ __forceinline vllong4 operator ^(long long a, const vllong4& b) { return vllong4(a) ^ b; }
++
++ __forceinline vllong4 operator <<(const vllong4& a, long long n) { return _mm256_slli_epi64(a, (int)n); }
++ //__forceinline vllong4 operator >>(const vllong4& a, long long n) { return _mm256_srai_epi64(a, n); }
++
++ __forceinline vllong4 operator <<(const vllong4& a, const vllong4& n) { return _mm256_sllv_epi64(a, n); }
++ //__forceinline vllong4 operator >>(const vllong4& a, const vllong4& n) { return _mm256_srav_epi64(a, n); }
++ //__forceinline vllong4 sra(const vllong4& a, long long b) { return _mm256_srai_epi64(a, b); }
++
++ __forceinline vllong4 srl(const vllong4& a, long long b) { return _mm256_srli_epi64(a, (int)b); }
++
++ //__forceinline vllong4 min(const vllong4& a, const vllong4& b) { return _mm256_min_epi64(a, b); }
++ //__forceinline vllong4 min(const vllong4& a, long long b) { return min(a,vllong4(b)); }
++ //__forceinline vllong4 min(long long a, const vllong4& b) { return min(vllong4(a),b); }
++
++ //__forceinline vllong4 max(const vllong4& a, const vllong4& b) { return _mm256_max_epi64(a, b); }
++ //__forceinline vllong4 max(const vllong4& a, long long b) { return max(a,vllong4(b)); }
++ //__forceinline vllong4 max(long long a, const vllong4& b) { return max(vllong4(a),b); }
++
++ #if defined(__AVX512VL__)
++ __forceinline vllong4 mask_and(const vboold4& m, const vllong4& c, const vllong4& a, const vllong4& b) { return _mm256_mask_and_epi64(c,m,a,b); }
++ __forceinline vllong4 mask_or (const vboold4& m, const vllong4& c, const vllong4& a, const vllong4& b) { return _mm256_mask_or_epi64(c,m,a,b); }
++ #else
++ __forceinline vllong4 mask_and(const vboold4& m, const vllong4& c, const vllong4& a, const vllong4& b) { return select(m, a & b, c); }
++ __forceinline vllong4 mask_or (const vboold4& m, const vllong4& c, const vllong4& a, const vllong4& b) { return select(m, a | b, c); }
++ #endif
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Assignment Operators
++ ////////////////////////////////////////////////////////////////////////////////
++
++ __forceinline vllong4& operator +=(vllong4& a, const vllong4& b) { return a = a + b; }
++ __forceinline vllong4& operator +=(vllong4& a, long long b) { return a = a + b; }
++
++ __forceinline vllong4& operator -=(vllong4& a, const vllong4& b) { return a = a - b; }
++ __forceinline vllong4& operator -=(vllong4& a, long long b) { return a = a - b; }
++
++ __forceinline vllong4& operator *=(vllong4& a, const vllong4& b) { return a = a * b; }
++ __forceinline vllong4& operator *=(vllong4& a, long long b) { return a = a * b; }
++
++ __forceinline vllong4& operator &=(vllong4& a, const vllong4& b) { return a = a & b; }
++ __forceinline vllong4& operator &=(vllong4& a, long long b) { return a = a & b; }
++
++ __forceinline vllong4& operator |=(vllong4& a, const vllong4& b) { return a = a | b; }
++ __forceinline vllong4& operator |=(vllong4& a, long long b) { return a = a | b; }
++
++ __forceinline vllong4& operator <<=(vllong4& a, long long b) { return a = a << b; }
++ //__forceinline vllong4& operator >>=(vllong4& a, long long b) { return a = a >> b; }
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Comparison Operators
++ ////////////////////////////////////////////////////////////////////////////////
++
++ #if defined(__AVX512VL__)
++ __forceinline vboold4 operator ==(const vllong4& a, const vllong4& b) { return _mm256_cmp_epi64_mask(a,b,_MM_CMPINT_EQ); }
++ __forceinline vboold4 operator !=(const vllong4& a, const vllong4& b) { return _mm256_cmp_epi64_mask(a,b,_MM_CMPINT_NE); }
++ __forceinline vboold4 operator < (const vllong4& a, const vllong4& b) { return _mm256_cmp_epi64_mask(a,b,_MM_CMPINT_LT); }
++ __forceinline vboold4 operator >=(const vllong4& a, const vllong4& b) { return _mm256_cmp_epi64_mask(a,b,_MM_CMPINT_GE); }
++ __forceinline vboold4 operator > (const vllong4& a, const vllong4& b) { return _mm256_cmp_epi64_mask(a,b,_MM_CMPINT_GT); }
++ __forceinline vboold4 operator <=(const vllong4& a, const vllong4& b) { return _mm256_cmp_epi64_mask(a,b,_MM_CMPINT_LE); }
++ #else
++ __forceinline vboold4 operator ==(const vllong4& a, const vllong4& b) { return _mm256_cmpeq_epi64(a,b); }
++ __forceinline vboold4 operator !=(const vllong4& a, const vllong4& b) { return !(a == b); }
++ __forceinline vboold4 operator > (const vllong4& a, const vllong4& b) { return _mm256_cmpgt_epi64(a,b); }
++ __forceinline vboold4 operator < (const vllong4& a, const vllong4& b) { return _mm256_cmpgt_epi64(b,a); }
++ __forceinline vboold4 operator >=(const vllong4& a, const vllong4& b) { return !(a < b); }
++ __forceinline vboold4 operator <=(const vllong4& a, const vllong4& b) { return !(a > b); }
++ #endif
++
++ __forceinline vboold4 operator ==(const vllong4& a, long long b) { return a == vllong4(b); }
++ __forceinline vboold4 operator ==(long long a, const vllong4& b) { return vllong4(a) == b; }
++
++ __forceinline vboold4 operator !=(const vllong4& a, long long b) { return a != vllong4(b); }
++ __forceinline vboold4 operator !=(long long a, const vllong4& b) { return vllong4(a) != b; }
++
++ __forceinline vboold4 operator > (const vllong4& a, long long b) { return a > vllong4(b); }
++ __forceinline vboold4 operator > (long long a, const vllong4& b) { return vllong4(a) > b; }
++
++ __forceinline vboold4 operator < (const vllong4& a, long long b) { return a < vllong4(b); }
++ __forceinline vboold4 operator < (long long a, const vllong4& b) { return vllong4(a) < b; }
++
++ __forceinline vboold4 operator >=(const vllong4& a, long long b) { return a >= vllong4(b); }
++ __forceinline vboold4 operator >=(long long a, const vllong4& b) { return vllong4(a) >= b; }
++
++ __forceinline vboold4 operator <=(const vllong4& a, long long b) { return a <= vllong4(b); }
++ __forceinline vboold4 operator <=(long long a, const vllong4& b) { return vllong4(a) <= b; }
++
++ __forceinline vboold4 eq(const vllong4& a, const vllong4& b) { return a == b; }
++ __forceinline vboold4 ne(const vllong4& a, const vllong4& b) { return a != b; }
++ __forceinline vboold4 lt(const vllong4& a, const vllong4& b) { return a < b; }
++ __forceinline vboold4 ge(const vllong4& a, const vllong4& b) { return a >= b; }
++ __forceinline vboold4 gt(const vllong4& a, const vllong4& b) { return a > b; }
++ __forceinline vboold4 le(const vllong4& a, const vllong4& b) { return a <= b; }
++
++ #if defined(__AVX512VL__)
++ __forceinline vboold4 eq(const vboold4& mask, const vllong4& a, const vllong4& b) { return _mm256_mask_cmp_epi64_mask(mask, a, b, _MM_CMPINT_EQ); }
++ __forceinline vboold4 ne(const vboold4& mask, const vllong4& a, const vllong4& b) { return _mm256_mask_cmp_epi64_mask(mask, a, b, _MM_CMPINT_NE); }
++ __forceinline vboold4 lt(const vboold4& mask, const vllong4& a, const vllong4& b) { return _mm256_mask_cmp_epi64_mask(mask, a, b, _MM_CMPINT_LT); }
++ __forceinline vboold4 ge(const vboold4& mask, const vllong4& a, const vllong4& b) { return _mm256_mask_cmp_epi64_mask(mask, a, b, _MM_CMPINT_GE); }
++ __forceinline vboold4 gt(const vboold4& mask, const vllong4& a, const vllong4& b) { return _mm256_mask_cmp_epi64_mask(mask, a, b, _MM_CMPINT_GT); }
++ __forceinline vboold4 le(const vboold4& mask, const vllong4& a, const vllong4& b) { return _mm256_mask_cmp_epi64_mask(mask, a, b, _MM_CMPINT_LE); }
++ #else
++ __forceinline vboold4 eq(const vboold4& mask, const vllong4& a, const vllong4& b) { return mask & (a == b); }
++ __forceinline vboold4 ne(const vboold4& mask, const vllong4& a, const vllong4& b) { return mask & (a != b); }
++ __forceinline vboold4 lt(const vboold4& mask, const vllong4& a, const vllong4& b) { return mask & (a < b); }
++ __forceinline vboold4 ge(const vboold4& mask, const vllong4& a, const vllong4& b) { return mask & (a >= b); }
++ __forceinline vboold4 gt(const vboold4& mask, const vllong4& a, const vllong4& b) { return mask & (a > b); }
++ __forceinline vboold4 le(const vboold4& mask, const vllong4& a, const vllong4& b) { return mask & (a <= b); }
++ #endif
++
++ ////////////////////////////////////////////////////////////////////////////////
++ // Movement/Shifting/Shuffling Functions
++ ////////////////////////////////////////////////////////////////////////////////
++
++ template<int i0, int i1>
++ __forceinline vllong4 shuffle(const vllong4& v) {
++ return _mm256_castpd_si256(_mm256_permute_pd(_mm256_castsi256_pd(v), (i1 << 3) | (i0 << 2) | (i1 << 1) | i0));
++ }
++
++ template<int i>
++ __forceinline vllong4 shuffle(const vllong4& v) {
++ return shuffle<i, i>(v);
++ }
++
++ template<int i0, int i1>
++ __forceinline vllong4 shuffle2(const vllong4& v) {
++ return _mm256_castpd_si256(_mm256_permute2f128_pd(_mm256_castsi256_pd(v), _mm256_castsi256_pd(v), (i1 << 4) | i0));
++ }
++
++ __forceinline long long toScalar(const vllong4& v) {
++ return _mm_cvtsi128_si64(_mm256_castsi256_si128(v));
++ }
++
++ #if defined(__AVX512VL__)
++ __forceinline vllong4 permute(const vllong4& a, const __m256i& index) {
++ // workaround for GCC 7.x
++ #if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
++ return _mm256_permutex2var_epi64(a,index,a);
++ #else
++ return _mm256_permutexvar_epi64(index,a);
++ #endif
++ }
++
++ __forceinline vllong4 permutex2var(const vllong4& index, const vllong4& a, const vllong4& b) {
++ return _mm256_permutex2var_epi64(a,index,b);
++ }
++
++ #endif
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Reductions
++ ////////////////////////////////////////////////////////////////////////////////
++
++
++ __forceinline vllong4 vreduce_and2(const vllong4& x) { return x & shuffle<1,0>(x); }
++ __forceinline vllong4 vreduce_and (const vllong4& y) { const vllong4 x = vreduce_and2(y); return x & shuffle2<1,0>(x); }
++
++ __forceinline vllong4 vreduce_or2(const vllong4& x) { return x | shuffle<1,0>(x); }
++ __forceinline vllong4 vreduce_or (const vllong4& y) { const vllong4 x = vreduce_or2(y); return x | shuffle2<1,0>(x); }
++
++ __forceinline vllong4 vreduce_add2(const vllong4& x) { return x + shuffle<1,0>(x); }
++ __forceinline vllong4 vreduce_add (const vllong4& y) { const vllong4 x = vreduce_add2(y); return x + shuffle2<1,0>(x); }
++
++ __forceinline long long reduce_add(const vllong4& a) { return toScalar(vreduce_add(a)); }
++ __forceinline long long reduce_or (const vllong4& a) { return toScalar(vreduce_or(a)); }
++ __forceinline long long reduce_and(const vllong4& a) { return toScalar(vreduce_and(a)); }
++
++ ////////////////////////////////////////////////////////////////////////////////
++ /// Output Operators
++ ////////////////////////////////////////////////////////////////////////////////
++
++ __forceinline embree_ostream operator <<(embree_ostream cout, const vllong4& v)
++ {
++ cout << "<" << v[0];
++ for (size_t i=1; i<4; i++) cout << ", " << v[i];
++ cout << ">";
++ return cout;
++ }
++ }
++
++ #undef vboolf
++ #undef vboold
++ #undef vint
++ #undef vuint
++ #undef vllong
++ #undef vfloat
++ #undef vdouble