2020-12-19 13:50:20 +00:00
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// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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namespace embree
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{
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/* 4-wide SSE bool type */
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template<>
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struct vboolf<4>
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{
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ALIGNED_STRUCT_(16);
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typedef vboolf4 Bool;
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typedef vint4 Int;
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typedef vfloat4 Float;
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enum { size = 4 }; // number of SIMD elements
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union { __m128 v; int i[4]; }; // data
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////////////////////////////////////////////////////////////////////////////////
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/// Constructors, Assignment & Cast Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vboolf() {}
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__forceinline vboolf(const vboolf4& other) { v = other.v; }
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__forceinline vboolf4& operator =(const vboolf4& other) { v = other.v; return *this; }
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__forceinline vboolf(__m128 input) : v(input) {}
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__forceinline operator const __m128&() const { return v; }
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__forceinline operator const __m128i() const { return _mm_castps_si128(v); }
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__forceinline operator const __m128d() const { return _mm_castps_pd(v); }
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__forceinline vboolf(bool a)
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: v(mm_lookupmask_ps[(size_t(a) << 3) | (size_t(a) << 2) | (size_t(a) << 1) | size_t(a)]) {}
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__forceinline vboolf(bool a, bool b)
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: v(mm_lookupmask_ps[(size_t(b) << 3) | (size_t(a) << 2) | (size_t(b) << 1) | size_t(a)]) {}
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__forceinline vboolf(bool a, bool b, bool c, bool d)
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: v(mm_lookupmask_ps[(size_t(d) << 3) | (size_t(c) << 2) | (size_t(b) << 1) | size_t(a)]) {}
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2021-05-04 09:07:12 +00:00
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#if defined(__aarch64__) && defined(BUILD_IOS)
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__forceinline vboolf(int mask) { v = mm_lookupmask_ps[mask]; }
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__forceinline vboolf(unsigned int mask) { v = mm_lookupmask_ps[mask]; }
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#else
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2020-12-19 13:50:20 +00:00
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__forceinline vboolf(int mask) { assert(mask >= 0 && mask < 16); v = mm_lookupmask_ps[mask]; }
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__forceinline vboolf(unsigned int mask) { assert(mask < 16); v = mm_lookupmask_ps[mask]; }
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2021-05-04 09:07:12 +00:00
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#endif
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2020-12-19 13:50:20 +00:00
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/* return int32 mask */
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__forceinline __m128i mask32() const {
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return _mm_castps_si128(v);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// Constants
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vboolf(FalseTy) : v(_mm_setzero_ps()) {}
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__forceinline vboolf(TrueTy) : v(_mm_castsi128_ps(_mm_cmpeq_epi32(_mm_setzero_si128(), _mm_setzero_si128()))) {}
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////////////////////////////////////////////////////////////////////////////////
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/// Array Access
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////////////////////////////////////////////////////////////////////////////////
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2021-05-04 09:07:12 +00:00
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#if defined(__aarch64__) && defined(BUILD_IOS)
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__forceinline bool operator [](size_t index) const { return (_mm_movemask_ps(v) >> index) & 1; }
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__forceinline int& operator [](size_t index) { return i[index]; }
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#else
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2020-12-19 13:50:20 +00:00
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__forceinline bool operator [](size_t index) const { assert(index < 4); return (_mm_movemask_ps(v) >> index) & 1; }
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__forceinline int& operator [](size_t index) { assert(index < 4); return i[index]; }
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#endif
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2020-12-19 13:50:20 +00:00
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};
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////////////////////////////////////////////////////////////////////////////////
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/// Unary Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vboolf4 operator !(const vboolf4& a) { return _mm_xor_ps(a, vboolf4(embree::True)); }
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////////////////////////////////////////////////////////////////////////////////
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/// Binary Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vboolf4 operator &(const vboolf4& a, const vboolf4& b) { return _mm_and_ps(a, b); }
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__forceinline vboolf4 operator |(const vboolf4& a, const vboolf4& b) { return _mm_or_ps (a, b); }
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__forceinline vboolf4 operator ^(const vboolf4& a, const vboolf4& b) { return _mm_xor_ps(a, b); }
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__forceinline vboolf4 andn(const vboolf4& a, const vboolf4& b) { return _mm_andnot_ps(b, a); }
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////////////////////////////////////////////////////////////////////////////////
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/// Assignment Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vboolf4& operator &=(vboolf4& a, const vboolf4& b) { return a = a & b; }
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__forceinline vboolf4& operator |=(vboolf4& a, const vboolf4& b) { return a = a | b; }
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__forceinline vboolf4& operator ^=(vboolf4& a, const vboolf4& b) { return a = a ^ b; }
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////////////////////////////////////////////////////////////////////////////////
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/// Comparison Operators + Select
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vboolf4 operator !=(const vboolf4& a, const vboolf4& b) { return _mm_xor_ps(a, b); }
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__forceinline vboolf4 operator ==(const vboolf4& a, const vboolf4& b) { return _mm_castsi128_ps(_mm_cmpeq_epi32(a, b)); }
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__forceinline vboolf4 select(const vboolf4& m, const vboolf4& t, const vboolf4& f) {
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#if (defined(__aarch64__) && defined(BUILD_IOS)) || defined(__SSE4_1__)
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2020-12-19 13:50:20 +00:00
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return _mm_blendv_ps(f, t, m);
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#else
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return _mm_or_ps(_mm_and_ps(m, t), _mm_andnot_ps(m, f));
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#endif
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}
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////////////////////////////////////////////////////////////////////////////////
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/// Movement/Shifting/Shuffling Functions
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vboolf4 unpacklo(const vboolf4& a, const vboolf4& b) { return _mm_unpacklo_ps(a, b); }
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__forceinline vboolf4 unpackhi(const vboolf4& a, const vboolf4& b) { return _mm_unpackhi_ps(a, b); }
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2021-05-04 09:07:12 +00:00
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#if defined(__aarch64__)
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template<int i0, int i1, int i2, int i3>
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__forceinline vboolf4 shuffle(const vboolf4& v) {
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return vreinterpretq_f32_u8(vqtbl1q_u8( vreinterpretq_u8_s32(v), _MN_SHUFFLE(i0, i1, i2, i3)));
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}
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template<int i0, int i1, int i2, int i3>
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__forceinline vboolf4 shuffle(const vboolf4& a, const vboolf4& b) {
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return vreinterpretq_f32_u8(vqtbl2q_u8( (uint8x16x2_t){(uint8x16_t)a.v, (uint8x16_t)b.v}, _MF_SHUFFLE(i0, i1, i2, i3)));
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}
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#else
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2020-12-19 13:50:20 +00:00
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template<int i0, int i1, int i2, int i3>
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__forceinline vboolf4 shuffle(const vboolf4& v) {
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return _mm_castsi128_ps(_mm_shuffle_epi32(v, _MM_SHUFFLE(i3, i2, i1, i0)));
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}
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template<int i0, int i1, int i2, int i3>
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__forceinline vboolf4 shuffle(const vboolf4& a, const vboolf4& b) {
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return _mm_shuffle_ps(a, b, _MM_SHUFFLE(i3, i2, i1, i0));
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}
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2021-05-04 09:07:12 +00:00
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#endif
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2020-12-19 13:50:20 +00:00
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template<int i0>
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__forceinline vboolf4 shuffle(const vboolf4& v) {
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return shuffle<i0,i0,i0,i0>(v);
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}
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#if defined(__SSE3__)
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template<> __forceinline vboolf4 shuffle<0, 0, 2, 2>(const vboolf4& v) { return _mm_moveldup_ps(v); }
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template<> __forceinline vboolf4 shuffle<1, 1, 3, 3>(const vboolf4& v) { return _mm_movehdup_ps(v); }
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template<> __forceinline vboolf4 shuffle<0, 1, 0, 1>(const vboolf4& v) { return _mm_castpd_ps(_mm_movedup_pd(v)); }
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#endif
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2021-05-04 09:07:12 +00:00
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#if defined(__SSE4_1__) && !defined(__aarch64__)
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2020-12-19 13:50:20 +00:00
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template<int dst, int src, int clr> __forceinline vboolf4 insert(const vboolf4& a, const vboolf4& b) { return _mm_insert_ps(a, b, (dst << 4) | (src << 6) | clr); }
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template<int dst, int src> __forceinline vboolf4 insert(const vboolf4& a, const vboolf4& b) { return insert<dst, src, 0>(a, b); }
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template<int dst> __forceinline vboolf4 insert(const vboolf4& a, const bool b) { return insert<dst, 0>(a, vboolf4(b)); }
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#endif
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////////////////////////////////////////////////////////////////////////////////
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/// Reduction Operations
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////////////////////////////////////////////////////////////////////////////////
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__forceinline bool reduce_and(const vboolf4& a) { return _mm_movemask_ps(a) == 0xf; }
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__forceinline bool reduce_or (const vboolf4& a) { return _mm_movemask_ps(a) != 0x0; }
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__forceinline bool all (const vboolf4& b) { return _mm_movemask_ps(b) == 0xf; }
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__forceinline bool any (const vboolf4& b) { return _mm_movemask_ps(b) != 0x0; }
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__forceinline bool none(const vboolf4& b) { return _mm_movemask_ps(b) == 0x0; }
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__forceinline bool all (const vboolf4& valid, const vboolf4& b) { return all((!valid) | b); }
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__forceinline bool any (const vboolf4& valid, const vboolf4& b) { return any(valid & b); }
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__forceinline bool none(const vboolf4& valid, const vboolf4& b) { return none(valid & b); }
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__forceinline size_t movemask(const vboolf4& a) { return _mm_movemask_ps(a); }
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2021-05-04 09:07:12 +00:00
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#if defined(__aarch64__) && defined(BUILD_IOS)
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__forceinline size_t popcnt(const vboolf4& a) { return _mm_movemask_popcnt_ps(a); }
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#else
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2020-12-19 13:50:20 +00:00
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#if defined(__SSE4_2__)
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__forceinline size_t popcnt(const vboolf4& a) { return popcnt((size_t)_mm_movemask_ps(a)); }
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#else
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__forceinline size_t popcnt(const vboolf4& a) { return bool(a[0])+bool(a[1])+bool(a[2])+bool(a[3]); }
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2021-05-04 09:07:12 +00:00
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#endif
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2020-12-19 13:50:20 +00:00
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#endif
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////////////////////////////////////////////////////////////////////////////////
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/// Get/Set Functions
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////////////////////////////////////////////////////////////////////////////////
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__forceinline bool get(const vboolf4& a, size_t index) { return a[index]; }
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__forceinline void set(vboolf4& a, size_t index) { a[index] = -1; }
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__forceinline void clear(vboolf4& a, size_t index) { a[index] = 0; }
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////////////////////////////////////////////////////////////////////////////////
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/// Output Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline embree_ostream operator <<(embree_ostream cout, const vboolf4& a) {
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return cout << "<" << a[0] << ", " << a[1] << ", " << a[2] << ", " << a[3] << ">";
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}
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}
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