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-rw-r--r--thirdparty/embree/common/simd/vuint4_sse2.h426
1 files changed, 426 insertions, 0 deletions
diff --git a/thirdparty/embree/common/simd/vuint4_sse2.h b/thirdparty/embree/common/simd/vuint4_sse2.h
new file mode 100644
index 0000000000..0601b9ab80
--- /dev/null
+++ b/thirdparty/embree/common/simd/vuint4_sse2.h
@@ -0,0 +1,426 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include "../math/math.h"
+
+#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 SSE integer type */
+ template<>
+ struct vuint<4>
+ {
+ ALIGNED_STRUCT_(16);
+
+ typedef vboolf4 Bool;
+ typedef vuint4 Int;
+ typedef vfloat4 Float;
+
+ enum { size = 4 }; // number of SIMD elements
+ union { __m128i v; unsigned int i[4]; }; // data
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Constructors, Assignment & Cast Operators
+ ////////////////////////////////////////////////////////////////////////////////
+
+ __forceinline vuint() {}
+ __forceinline vuint(const vuint4& a) { v = a.v; }
+ __forceinline vuint4& operator =(const vuint4& a) { v = a.v; return *this; }
+
+ __forceinline vuint(const __m128i a) : v(a) {}
+ __forceinline operator const __m128i&() const { return v; }
+ __forceinline operator __m128i&() { return v; }
+
+
+ __forceinline vuint(unsigned int a) : v(_mm_set1_epi32(a)) {}
+ __forceinline vuint(unsigned int a, unsigned int b, unsigned int c, unsigned int d) : v(_mm_set_epi32(d, c, b, a)) {}
+
+#if defined(__AVX512VL__)
+ __forceinline explicit vuint(__m128 a) : v(_mm_cvtps_epu32(a)) {}
+#endif
+
+#if defined(__AVX512VL__)
+ __forceinline explicit vuint(const vboolf4& a) : v(_mm_movm_epi32(a)) {}
+#else
+ __forceinline explicit vuint(const vboolf4& a) : v(_mm_castps_si128((__m128)a)) {}
+#endif
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Constants
+ ////////////////////////////////////////////////////////////////////////////////
+
+ __forceinline vuint(ZeroTy) : v(_mm_setzero_si128()) {}
+ __forceinline vuint(OneTy) : v(_mm_set1_epi32(1)) {}
+ __forceinline vuint(PosInfTy) : v(_mm_set1_epi32(unsigned(pos_inf))) {}
+ __forceinline vuint(StepTy) : v(_mm_set_epi32(3, 2, 1, 0)) {}
+ __forceinline vuint(TrueTy) { v = _mm_cmpeq_epi32(v,v); }
+ __forceinline vuint(UndefinedTy) : v(_mm_castps_si128(_mm_undefined_ps())) {}
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Loads and Stores
+ ////////////////////////////////////////////////////////////////////////////////
+
+ static __forceinline vuint4 load (const void* a) { return _mm_load_si128((__m128i*)a); }
+ static __forceinline vuint4 loadu(const void* a) { return _mm_loadu_si128((__m128i*)a); }
+
+ static __forceinline void store (void* ptr, const vuint4& v) { _mm_store_si128((__m128i*)ptr,v); }
+ static __forceinline void storeu(void* ptr, const vuint4& v) { _mm_storeu_si128((__m128i*)ptr,v); }
+
+#if defined(__AVX512VL__)
+ static __forceinline vuint4 load (const vboolf4& mask, const void* ptr) { return _mm_mask_load_epi32 (_mm_setzero_si128(),mask,ptr); }
+ static __forceinline vuint4 loadu(const vboolf4& mask, const void* ptr) { return _mm_mask_loadu_epi32(_mm_setzero_si128(),mask,ptr); }
+
+ static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& v) { _mm_mask_store_epi32 (ptr,mask,v); }
+ static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& v) { _mm_mask_storeu_epi32(ptr,mask,v); }
+#elif defined(__AVX__)
+ static __forceinline vuint4 load (const vbool4& mask, const void* a) { return _mm_castps_si128(_mm_maskload_ps((float*)a,mask)); }
+ static __forceinline vuint4 loadu(const vbool4& mask, const void* a) { return _mm_castps_si128(_mm_maskload_ps((float*)a,mask)); }
+
+ static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& i) { _mm_maskstore_ps((float*)ptr,(__m128i)mask,_mm_castsi128_ps(i)); }
+ static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& i) { _mm_maskstore_ps((float*)ptr,(__m128i)mask,_mm_castsi128_ps(i)); }
+#else
+ static __forceinline vuint4 load (const vbool4& mask, const void* a) { return _mm_and_si128(_mm_load_si128 ((__m128i*)a),mask); }
+ static __forceinline vuint4 loadu(const vbool4& mask, const void* a) { return _mm_and_si128(_mm_loadu_si128((__m128i*)a),mask); }
+
+ static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& i) { store (ptr,select(mask,i,load (ptr))); }
+ static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& i) { storeu(ptr,select(mask,i,loadu(ptr))); }
+#endif
+
+#if defined(__SSE4_1__)
+ static __forceinline vuint4 load(const unsigned char* ptr) {
+ return _mm_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr));
+ }
+
+ static __forceinline vuint4 loadu(const unsigned char* ptr) {
+ return _mm_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr));
+ }
+
+#endif
+
+ static __forceinline vuint4 load(const unsigned short* ptr) {
+#if defined (__SSE4_1__)
+ return _mm_cvtepu16_epi32(_mm_loadu_si128((__m128i*)ptr));
+#else
+ return vuint4(ptr[0],ptr[1],ptr[2],ptr[3]);
+#endif
+ }
+
+ static __forceinline vuint4 load_nt(void* ptr) {
+#if defined(__SSE4_1__)
+ return _mm_stream_load_si128((__m128i*)ptr);
+#else
+ return _mm_load_si128((__m128i*)ptr);
+#endif
+ }
+
+ static __forceinline void store_nt(void* ptr, const vuint4& v) {
+#if defined(__SSE4_1__)
+ _mm_stream_ps((float*)ptr,_mm_castsi128_ps(v));
+#else
+ _mm_store_si128((__m128i*)ptr,v);
+#endif
+ }
+
+ template<int scale = 4>
+ static __forceinline vuint4 gather(const unsigned int* ptr, const vint4& index) {
+#if defined(__AVX2__)
+ return _mm_i32gather_epi32((const int*)ptr, index, scale);
+#else
+ return vuint4(
+ *(unsigned int*)(((char*)ptr)+scale*index[0]),
+ *(unsigned int*)(((char*)ptr)+scale*index[1]),
+ *(unsigned int*)(((char*)ptr)+scale*index[2]),
+ *(unsigned int*)(((char*)ptr)+scale*index[3]));
+#endif
+ }
+
+ template<int scale = 4>
+ static __forceinline vuint4 gather(const vboolf4& mask, const unsigned int* ptr, const vint4& index) {
+ vuint4 r = zero;
+#if defined(__AVX512VL__)
+ return _mm_mmask_i32gather_epi32(r, mask, index, ptr, scale);
+#elif defined(__AVX2__)
+ return _mm_mask_i32gather_epi32(r, (const int*)ptr, index, mask, scale);
+#else
+ if (likely(mask[0])) r[0] = *(unsigned int*)(((char*)ptr)+scale*index[0]);
+ if (likely(mask[1])) r[1] = *(unsigned int*)(((char*)ptr)+scale*index[1]);
+ if (likely(mask[2])) r[2] = *(unsigned int*)(((char*)ptr)+scale*index[2]);
+ if (likely(mask[3])) r[3] = *(unsigned int*)(((char*)ptr)+scale*index[3]);
+ return r;
+#endif
+ }
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Array Access
+ ////////////////////////////////////////////////////////////////////////////////
+
+ __forceinline const unsigned int& operator [](size_t index) const { assert(index < 4); return i[index]; }
+ __forceinline unsigned int& operator [](size_t index) { assert(index < 4); return i[index]; }
+
+ friend __forceinline vuint4 select(const vboolf4& m, const vuint4& t, const vuint4& f) {
+#if defined(__AVX512VL__)
+ return _mm_mask_blend_epi32(m, (__m128i)f, (__m128i)t);
+#elif defined(__SSE4_1__)
+ return _mm_castps_si128(_mm_blendv_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), m));
+#else
+ return _mm_or_si128(_mm_and_si128(m, t), _mm_andnot_si128(m, f));
+#endif
+ }
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Unary Operators
+ ////////////////////////////////////////////////////////////////////////////////
+
+#if defined(__AVX512VL__)
+ __forceinline vboolf4 asBool(const vuint4& a) { return _mm_movepi32_mask(a); }
+#else
+ __forceinline vboolf4 asBool(const vuint4& a) { return _mm_castsi128_ps(a); }
+#endif
+
+ __forceinline vuint4 operator +(const vuint4& a) { return a; }
+ __forceinline vuint4 operator -(const vuint4& a) { return _mm_sub_epi32(_mm_setzero_si128(), a); }
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Binary Operators
+ ////////////////////////////////////////////////////////////////////////////////
+
+ __forceinline vuint4 operator +(const vuint4& a, const vuint4& b) { return _mm_add_epi32(a, b); }
+ __forceinline vuint4 operator +(const vuint4& a, unsigned int b) { return a + vuint4(b); }
+ __forceinline vuint4 operator +(unsigned int a, const vuint4& b) { return vuint4(a) + b; }
+
+ __forceinline vuint4 operator -(const vuint4& a, const vuint4& b) { return _mm_sub_epi32(a, b); }
+ __forceinline vuint4 operator -(const vuint4& a, unsigned int b) { return a - vuint4(b); }
+ __forceinline vuint4 operator -(unsigned int a, const vuint4& b) { return vuint4(a) - b; }
+
+//#if defined(__SSE4_1__)
+// __forceinline vuint4 operator *(const vuint4& a, const vuint4& b) { return _mm_mullo_epu32(a, b); }
+//#else
+// __forceinline vuint4 operator *(const vuint4& a, const vuint4& b) { return vuint4(a[0]*b[0],a[1]*b[1],a[2]*b[2],a[3]*b[3]); }
+//#endif
+// __forceinline vuint4 operator *(const vuint4& a, unsigned int b) { return a * vuint4(b); }
+// __forceinline vuint4 operator *(unsigned int a, const vuint4& b) { return vuint4(a) * b; }
+
+ __forceinline vuint4 operator &(const vuint4& a, const vuint4& b) { return _mm_and_si128(a, b); }
+ __forceinline vuint4 operator &(const vuint4& a, unsigned int b) { return a & vuint4(b); }
+ __forceinline vuint4 operator &(unsigned int a, const vuint4& b) { return vuint4(a) & b; }
+
+ __forceinline vuint4 operator |(const vuint4& a, const vuint4& b) { return _mm_or_si128(a, b); }
+ __forceinline vuint4 operator |(const vuint4& a, unsigned int b) { return a | vuint4(b); }
+ __forceinline vuint4 operator |(unsigned int a, const vuint4& b) { return vuint4(a) | b; }
+
+ __forceinline vuint4 operator ^(const vuint4& a, const vuint4& b) { return _mm_xor_si128(a, b); }
+ __forceinline vuint4 operator ^(const vuint4& a, unsigned int b) { return a ^ vuint4(b); }
+ __forceinline vuint4 operator ^(unsigned int a, const vuint4& b) { return vuint4(a) ^ b; }
+
+ __forceinline vuint4 operator <<(const vuint4& a, unsigned int n) { return _mm_slli_epi32(a, n); }
+ __forceinline vuint4 operator >>(const vuint4& a, unsigned int n) { return _mm_srli_epi32(a, n); }
+
+ __forceinline vuint4 sll (const vuint4& a, unsigned int b) { return _mm_slli_epi32(a, b); }
+ __forceinline vuint4 sra (const vuint4& a, unsigned int b) { return _mm_srai_epi32(a, b); }
+ __forceinline vuint4 srl (const vuint4& a, unsigned int b) { return _mm_srli_epi32(a, b); }
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Assignment Operators
+ ////////////////////////////////////////////////////////////////////////////////
+
+ __forceinline vuint4& operator +=(vuint4& a, const vuint4& b) { return a = a + b; }
+ __forceinline vuint4& operator +=(vuint4& a, unsigned int b) { return a = a + b; }
+
+ __forceinline vuint4& operator -=(vuint4& a, const vuint4& b) { return a = a - b; }
+ __forceinline vuint4& operator -=(vuint4& a, unsigned int b) { return a = a - b; }
+
+//#if defined(__SSE4_1__)
+// __forceinline vuint4& operator *=(vuint4& a, const vuint4& b) { return a = a * b; }
+// __forceinline vuint4& operator *=(vuint4& a, unsigned int b) { return a = a * b; }
+//#endif
+
+ __forceinline vuint4& operator &=(vuint4& a, const vuint4& b) { return a = a & b; }
+ __forceinline vuint4& operator &=(vuint4& a, unsigned int b) { return a = a & b; }
+
+ __forceinline vuint4& operator |=(vuint4& a, const vuint4& b) { return a = a | b; }
+ __forceinline vuint4& operator |=(vuint4& a, unsigned int b) { return a = a | b; }
+
+ __forceinline vuint4& operator <<=(vuint4& a, unsigned int b) { return a = a << b; }
+ __forceinline vuint4& operator >>=(vuint4& a, unsigned int b) { return a = a >> b; }
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Comparison Operators + Select
+ ////////////////////////////////////////////////////////////////////////////////
+
+#if defined(__AVX512VL__)
+ __forceinline vboolf4 operator ==(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_EQ); }
+ __forceinline vboolf4 operator !=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_NE); }
+ //__forceinline vboolf4 operator < (const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_LT); }
+ //__forceinline vboolf4 operator >=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_GE); }
+ //__forceinline vboolf4 operator > (const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_GT); }
+ //__forceinline vboolf4 operator <=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_LE); }
+#else
+ __forceinline vboolf4 operator ==(const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmpeq_epi32(a, b)); }
+ __forceinline vboolf4 operator !=(const vuint4& a, const vuint4& b) { return !(a == b); }
+ //__forceinline vboolf4 operator < (const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmplt_epu32(a, b)); }
+ //__forceinline vboolf4 operator >=(const vuint4& a, const vuint4& b) { return !(a < b); }
+ //__forceinline vboolf4 operator > (const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmpgt_epu32(a, b)); }
+ //__forceinline vboolf4 operator <=(const vuint4& a, const vuint4& b) { return !(a > b); }
+#endif
+
+ __forceinline vboolf4 operator ==(const vuint4& a, unsigned int b) { return a == vuint4(b); }
+ __forceinline vboolf4 operator ==(unsigned int a, const vuint4& b) { return vuint4(a) == b; }
+
+ __forceinline vboolf4 operator !=(const vuint4& a, unsigned int b) { return a != vuint4(b); }
+ __forceinline vboolf4 operator !=(unsigned int a, const vuint4& b) { return vuint4(a) != b; }
+
+ //__forceinline vboolf4 operator < (const vuint4& a, unsigned int b) { return a < vuint4(b); }
+ //__forceinline vboolf4 operator < (unsigned int a, const vuint4& b) { return vuint4(a) < b; }
+
+ //__forceinline vboolf4 operator >=(const vuint4& a, unsigned int b) { return a >= vuint4(b); }
+ //__forceinline vboolf4 operator >=(unsigned int a, const vuint4& b) { return vuint4(a) >= b; }
+
+ //__forceinline vboolf4 operator > (const vuint4& a, unsigned int b) { return a > vuint4(b); }
+ //__forceinline vboolf4 operator > (unsigned int a, const vuint4& b) { return vuint4(a) > b; }
+
+ //__forceinline vboolf4 operator <=(const vuint4& a, unsigned int b) { return a <= vuint4(b); }
+ //__forceinline vboolf4 operator <=(unsigned int a, const vuint4& b) { return vuint4(a) <= b; }
+
+ __forceinline vboolf4 eq(const vuint4& a, const vuint4& b) { return a == b; }
+ __forceinline vboolf4 ne(const vuint4& a, const vuint4& b) { return a != b; }
+ //__forceinline vboolf4 lt(const vuint4& a, const vuint4& b) { return a < b; }
+ //__forceinline vboolf4 ge(const vuint4& a, const vuint4& b) { return a >= b; }
+ //__forceinline vboolf4 gt(const vuint4& a, const vuint4& b) { return a > b; }
+ //__forceinline vboolf4 le(const vuint4& a, const vuint4& b) { return a <= b; }
+
+#if defined(__AVX512VL__)
+ __forceinline vboolf4 eq(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_EQ); }
+ __forceinline vboolf4 ne(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_NE); }
+ //__forceinline vboolf4 lt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LT); }
+ //__forceinline vboolf4 ge(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GE); }
+ //__forceinline vboolf4 gt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GT); }
+ //__forceinline vboolf4 le(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LE); }
+#else
+ __forceinline vboolf4 eq(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a == b); }
+ __forceinline vboolf4 ne(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a != b); }
+ //__forceinline vboolf4 lt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a < b); }
+ //__forceinline vboolf4 ge(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a >= b); }
+ //__forceinline vboolf4 gt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a > b); }
+ //__forceinline vboolf4 le(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a <= b); }
+#endif
+
+ template<int mask>
+ __forceinline vuint4 select(const vuint4& t, const vuint4& f) {
+#if defined(__SSE4_1__)
+ return _mm_castps_si128(_mm_blend_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), mask));
+#else
+ return select(vboolf4(mask), t, f);
+#endif
+ }
+
+/*#if defined(__SSE4_1__)
+ __forceinline vuint4 min(const vuint4& a, const vuint4& b) { return _mm_min_epu32(a, b); }
+ __forceinline vuint4 max(const vuint4& a, const vuint4& b) { return _mm_max_epu32(a, b); }
+
+#else
+ __forceinline vuint4 min(const vuint4& a, const vuint4& b) { return select(a < b,a,b); }
+ __forceinline vuint4 max(const vuint4& a, const vuint4& b) { return select(a < b,b,a); }
+#endif
+
+ __forceinline vuint4 min(const vuint4& a, unsigned int b) { return min(a,vuint4(b)); }
+ __forceinline vuint4 min(unsigned int a, const vuint4& b) { return min(vuint4(a),b); }
+ __forceinline vuint4 max(const vuint4& a, unsigned int b) { return max(a,vuint4(b)); }
+ __forceinline vuint4 max(unsigned int a, const vuint4& b) { return max(vuint4(a),b); }*/
+
+ ////////////////////////////////////////////////////////////////////////////////
+ // Movement/Shifting/Shuffling Functions
+ ////////////////////////////////////////////////////////////////////////////////
+
+ __forceinline vuint4 unpacklo(const vuint4& a, const vuint4& b) { return _mm_castps_si128(_mm_unpacklo_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b))); }
+ __forceinline vuint4 unpackhi(const vuint4& a, const vuint4& b) { return _mm_castps_si128(_mm_unpackhi_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b))); }
+
+ template<int i0, int i1, int i2, int i3>
+ __forceinline vuint4 shuffle(const vuint4& v) {
+ return _mm_shuffle_epi32(v, _MM_SHUFFLE(i3, i2, i1, i0));
+ }
+
+ template<int i0, int i1, int i2, int i3>
+ __forceinline vuint4 shuffle(const vuint4& a, const vuint4& b) {
+ return _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b), _MM_SHUFFLE(i3, i2, i1, i0)));
+ }
+
+#if defined(__SSE3__)
+ template<> __forceinline vuint4 shuffle<0, 0, 2, 2>(const vuint4& v) { return _mm_castps_si128(_mm_moveldup_ps(_mm_castsi128_ps(v))); }
+ template<> __forceinline vuint4 shuffle<1, 1, 3, 3>(const vuint4& v) { return _mm_castps_si128(_mm_movehdup_ps(_mm_castsi128_ps(v))); }
+ template<> __forceinline vuint4 shuffle<0, 1, 0, 1>(const vuint4& v) { return _mm_castpd_si128(_mm_movedup_pd (_mm_castsi128_pd(v))); }
+#endif
+
+ template<int i>
+ __forceinline vuint4 shuffle(const vuint4& v) {
+ return shuffle<i,i,i,i>(v);
+ }
+
+#if defined(__SSE4_1__)
+ template<int src> __forceinline unsigned int extract(const vuint4& b) { return _mm_extract_epi32(b, src); }
+ template<int dst> __forceinline vuint4 insert(const vuint4& a, const unsigned b) { return _mm_insert_epi32(a, b, dst); }
+#else
+ template<int src> __forceinline unsigned int extract(const vuint4& b) { return b[src&3]; }
+ template<int dst> __forceinline vuint4 insert(const vuint4& a, const unsigned b) { vuint4 c = a; c[dst&3] = b; return c; }
+#endif
+
+
+ template<> __forceinline unsigned int extract<0>(const vuint4& b) { return _mm_cvtsi128_si32(b); }
+
+ __forceinline unsigned int toScalar(const vuint4& v) { return _mm_cvtsi128_si32(v); }
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Reductions
+ ////////////////////////////////////////////////////////////////////////////////
+
+#if 0
+#if defined(__SSE4_1__)
+
+ __forceinline vuint4 vreduce_min(const vuint4& v) { vuint4 h = min(shuffle<1,0,3,2>(v),v); return min(shuffle<2,3,0,1>(h),h); }
+ __forceinline vuint4 vreduce_max(const vuint4& v) { vuint4 h = max(shuffle<1,0,3,2>(v),v); return max(shuffle<2,3,0,1>(h),h); }
+ __forceinline vuint4 vreduce_add(const vuint4& v) { vuint4 h = shuffle<1,0,3,2>(v) + v ; return shuffle<2,3,0,1>(h) + h ; }
+
+ __forceinline unsigned int reduce_min(const vuint4& v) { return toScalar(vreduce_min(v)); }
+ __forceinline unsigned int reduce_max(const vuint4& v) { return toScalar(vreduce_max(v)); }
+ __forceinline unsigned int reduce_add(const vuint4& v) { return toScalar(vreduce_add(v)); }
+
+ __forceinline size_t select_min(const vuint4& v) { return bsf(movemask(v == vreduce_min(v))); }
+ __forceinline size_t select_max(const vuint4& v) { return bsf(movemask(v == vreduce_max(v))); }
+
+ //__forceinline size_t select_min(const vboolf4& valid, const vuint4& v) { const vuint4 a = select(valid,v,vuint4(pos_inf)); return bsf(movemask(valid & (a == vreduce_min(a)))); }
+ //__forceinline size_t select_max(const vboolf4& valid, const vuint4& v) { const vuint4 a = select(valid,v,vuint4(neg_inf)); return bsf(movemask(valid & (a == vreduce_max(a)))); }
+
+#else
+
+ __forceinline unsigned int reduce_min(const vuint4& v) { return min(v[0],v[1],v[2],v[3]); }
+ __forceinline unsigned int reduce_max(const vuint4& v) { return max(v[0],v[1],v[2],v[3]); }
+ __forceinline unsigned int reduce_add(const vuint4& v) { return v[0]+v[1]+v[2]+v[3]; }
+
+#endif
+#endif
+
+ ////////////////////////////////////////////////////////////////////////////////
+ /// Output Operators
+ ////////////////////////////////////////////////////////////////////////////////
+
+ __forceinline embree_ostream operator <<(embree_ostream cout, const vuint4& a) {
+ return cout << "<" << a[0] << ", " << a[1] << ", " << a[2] << ", " << a[3] << ">";
+ }
+}
+
+#undef vboolf
+#undef vboold
+#undef vint
+#undef vuint
+#undef vllong
+#undef vfloat
+#undef vdouble
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 00:43:43 +0000