1// Copyright 2009-2021 Intel Corporation
2// SPDX-License-Identifier: Apache-2.0
3
4#pragma once
5
6#include "../math/math.h"
7
8#define vboolf vboolf_impl
9#define vboold vboold_impl
10#define vint vint_impl
11#define vuint vuint_impl
12#define vllong vllong_impl
13#define vfloat vfloat_impl
14#define vdouble vdouble_impl
15
16namespace embree
17{
18 /* 4-wide SSE integer type */
19 template<>
20 struct vuint<4>
21 {
22 ALIGNED_STRUCT_(16);
23
24 typedef vboolf4 Bool;
25 typedef vuint4 Int;
26 typedef vfloat4 Float;
27
28 enum { size = 4 }; // number of SIMD elements
29 union { __m128i v; unsigned int i[4]; }; // data
30
31 ////////////////////////////////////////////////////////////////////////////////
32 /// Constructors, Assignment & Cast Operators
33 ////////////////////////////////////////////////////////////////////////////////
34
35 __forceinline vuint() {}
36 __forceinline vuint(const vuint4& a) { v = a.v; }
37 __forceinline vuint4& operator =(const vuint4& a) { v = a.v; return *this; }
38
39 __forceinline vuint(const __m128i a) : v(a) {}
40 __forceinline operator const __m128i&() const { return v; }
41 __forceinline operator __m128i&() { return v; }
42
43
44 __forceinline vuint(unsigned int a) : v(_mm_set1_epi32(a)) {}
45 __forceinline vuint(unsigned int a, unsigned int b, unsigned int c, unsigned int d) : v(_mm_set_epi32(d, c, b, a)) {}
46
47#if defined(__AVX512VL__)
48 __forceinline explicit vuint(__m128 a) : v(_mm_cvtps_epu32(a)) {}
49#endif
50
51#if defined(__AVX512VL__)
52 __forceinline explicit vuint(const vboolf4& a) : v(_mm_movm_epi32(a)) {}
53#else
54 __forceinline explicit vuint(const vboolf4& a) : v(_mm_castps_si128((__m128)a)) {}
55#endif
56
57 ////////////////////////////////////////////////////////////////////////////////
58 /// Constants
59 ////////////////////////////////////////////////////////////////////////////////
60
61 __forceinline vuint(ZeroTy) : v(_mm_setzero_si128()) {}
62 __forceinline vuint(OneTy) : v(_mm_set1_epi32(1)) {}
63 __forceinline vuint(PosInfTy) : v(_mm_set1_epi32(unsigned(pos_inf))) {}
64 __forceinline vuint(StepTy) : v(_mm_set_epi32(3, 2, 1, 0)) {}
65 __forceinline vuint(TrueTy) { v = _mm_cmpeq_epi32(v,v); }
66 __forceinline vuint(UndefinedTy) : v(_mm_castps_si128(_mm_undefined_ps())) {}
67
68 ////////////////////////////////////////////////////////////////////////////////
69 /// Loads and Stores
70 ////////////////////////////////////////////////////////////////////////////////
71
72 static __forceinline vuint4 load (const void* a) { return _mm_load_si128((__m128i*)a); }
73 static __forceinline vuint4 loadu(const void* a) { return _mm_loadu_si128((__m128i*)a); }
74
75 static __forceinline void store (void* ptr, const vuint4& v) { _mm_store_si128((__m128i*)ptr,v); }
76 static __forceinline void storeu(void* ptr, const vuint4& v) { _mm_storeu_si128((__m128i*)ptr,v); }
77
78#if defined(__AVX512VL__)
79 static __forceinline vuint4 load (const vboolf4& mask, const void* ptr) { return _mm_mask_load_epi32 (_mm_setzero_si128(),mask,ptr); }
80 static __forceinline vuint4 loadu(const vboolf4& mask, const void* ptr) { return _mm_mask_loadu_epi32(_mm_setzero_si128(),mask,ptr); }
81
82 static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& v) { _mm_mask_store_epi32 (ptr,mask,v); }
83 static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& v) { _mm_mask_storeu_epi32(ptr,mask,v); }
84#elif defined(__AVX__)
85 static __forceinline vuint4 load (const vbool4& mask, const void* a) { return _mm_castps_si128(_mm_maskload_ps((float*)a,mask)); }
86 static __forceinline vuint4 loadu(const vbool4& mask, const void* a) { return _mm_castps_si128(_mm_maskload_ps((float*)a,mask)); }
87
88 static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& i) { _mm_maskstore_ps((float*)ptr,(__m128i)mask,_mm_castsi128_ps(i)); }
89 static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& i) { _mm_maskstore_ps((float*)ptr,(__m128i)mask,_mm_castsi128_ps(i)); }
90#else
91 static __forceinline vuint4 load (const vbool4& mask, const void* a) { return _mm_and_si128(_mm_load_si128 ((__m128i*)a),mask); }
92 static __forceinline vuint4 loadu(const vbool4& mask, const void* a) { return _mm_and_si128(_mm_loadu_si128((__m128i*)a),mask); }
93
94 static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& i) { store (ptr,select(mask,i,load (ptr))); }
95 static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& i) { storeu(ptr,select(mask,i,loadu(ptr))); }
96#endif
97
98#if defined(__aarch64__)
99 static __forceinline vuint4 load(const unsigned char* ptr) {
100 return _mm_load4epu8_epi32(((__m128i*)ptr));
101 }
102 static __forceinline vuint4 loadu(const unsigned char* ptr) {
103 return _mm_load4epu8_epi32(((__m128i*)ptr));
104 }
105#elif defined(__SSE4_1__)
106 static __forceinline vuint4 load(const unsigned char* ptr) {
107 return _mm_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr));
108 }
109
110 static __forceinline vuint4 loadu(const unsigned char* ptr) {
111 return _mm_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr));
112 }
113
114#endif
115
116 static __forceinline vuint4 load(const unsigned short* ptr) {
117#if defined(__aarch64__)
118 return _mm_load4epu16_epi32(((__m128i*)ptr));
119#elif defined (__SSE4_1__)
120 return _mm_cvtepu16_epi32(_mm_loadu_si128((__m128i*)ptr));
121#else
122 return vuint4(ptr[0],ptr[1],ptr[2],ptr[3]);
123#endif
124 }
125
126 static __forceinline vuint4 load_nt(void* ptr) {
127#if (defined(__aarch64__)) || defined(__SSE4_1__)
128 return _mm_stream_load_si128((__m128i*)ptr);
129#else
130 return _mm_load_si128((__m128i*)ptr);
131#endif
132 }
133
134 static __forceinline void store_nt(void* ptr, const vuint4& v) {
135#if !defined(__aarch64__) && defined(__SSE4_1__)
136 _mm_stream_ps((float*)ptr, _mm_castsi128_ps(v));
137#else
138 _mm_store_si128((__m128i*)ptr,v);
139#endif
140 }
141
142 template<int scale = 4>
143 static __forceinline vuint4 gather(const unsigned int* ptr, const vint4& index) {
144#if defined(__AVX2__) && !defined(__aarch64__)
145 return _mm_i32gather_epi32((const int*)ptr, index, scale);
146#else
147 return vuint4(
148 *(unsigned int*)(((char*)ptr)+scale*index[0]),
149 *(unsigned int*)(((char*)ptr)+scale*index[1]),
150 *(unsigned int*)(((char*)ptr)+scale*index[2]),
151 *(unsigned int*)(((char*)ptr)+scale*index[3]));
152#endif
153 }
154
155 template<int scale = 4>
156 static __forceinline vuint4 gather(const vboolf4& mask, const unsigned int* ptr, const vint4& index) {
157 vuint4 r = zero;
158#if defined(__AVX512VL__)
159 return _mm_mmask_i32gather_epi32(r, mask, index, ptr, scale);
160#elif defined(__AVX2__) && !defined(__aarch64__)
161 return _mm_mask_i32gather_epi32(r, (const int*)ptr, index, mask, scale);
162#else
163 if (likely(mask[0])) r[0] = *(unsigned int*)(((char*)ptr)+scale*index[0]);
164 if (likely(mask[1])) r[1] = *(unsigned int*)(((char*)ptr)+scale*index[1]);
165 if (likely(mask[2])) r[2] = *(unsigned int*)(((char*)ptr)+scale*index[2]);
166 if (likely(mask[3])) r[3] = *(unsigned int*)(((char*)ptr)+scale*index[3]);
167 return r;
168#endif
169 }
170
171 ////////////////////////////////////////////////////////////////////////////////
172 /// Array Access
173 ////////////////////////////////////////////////////////////////////////////////
174
175 __forceinline const unsigned int& operator [](size_t index) const { assert(index < 4); return i[index]; }
176 __forceinline unsigned int& operator [](size_t index) { assert(index < 4); return i[index]; }
177
178 friend __forceinline vuint4 select(const vboolf4& m, const vuint4& t, const vuint4& f) {
179#if defined(__AVX512VL__)
180 return _mm_mask_blend_epi32(m, (__m128i)f, (__m128i)t);
181#elif defined(__SSE4_1__)
182 return _mm_castps_si128(_mm_blendv_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), m));
183#else
184 return _mm_or_si128(_mm_and_si128(m, t), _mm_andnot_si128(m, f));
185#endif
186 }
187 };
188
189 ////////////////////////////////////////////////////////////////////////////////
190 /// Unary Operators
191 ////////////////////////////////////////////////////////////////////////////////
192
193#if defined(__AVX512VL__)
194 __forceinline vboolf4 asBool(const vuint4& a) { return _mm_movepi32_mask(a); }
195#else
196 __forceinline vboolf4 asBool(const vuint4& a) { return _mm_castsi128_ps(a); }
197#endif
198
199 __forceinline vuint4 operator +(const vuint4& a) { return a; }
200 __forceinline vuint4 operator -(const vuint4& a) { return _mm_sub_epi32(_mm_setzero_si128(), a); }
201
202 ////////////////////////////////////////////////////////////////////////////////
203 /// Binary Operators
204 ////////////////////////////////////////////////////////////////////////////////
205
206 __forceinline vuint4 operator +(const vuint4& a, const vuint4& b) { return _mm_add_epi32(a, b); }
207 __forceinline vuint4 operator +(const vuint4& a, unsigned int b) { return a + vuint4(b); }
208 __forceinline vuint4 operator +(unsigned int a, const vuint4& b) { return vuint4(a) + b; }
209
210 __forceinline vuint4 operator -(const vuint4& a, const vuint4& b) { return _mm_sub_epi32(a, b); }
211 __forceinline vuint4 operator -(const vuint4& a, unsigned int b) { return a - vuint4(b); }
212 __forceinline vuint4 operator -(unsigned int a, const vuint4& b) { return vuint4(a) - b; }
213
214//#if defined(__SSE4_1__)
215// __forceinline vuint4 operator *(const vuint4& a, const vuint4& b) { return _mm_mullo_epu32(a, b); }
216//#else
217// __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]); }
218//#endif
219// __forceinline vuint4 operator *(const vuint4& a, unsigned int b) { return a * vuint4(b); }
220// __forceinline vuint4 operator *(unsigned int a, const vuint4& b) { return vuint4(a) * b; }
221
222 __forceinline vuint4 operator &(const vuint4& a, const vuint4& b) { return _mm_and_si128(a, b); }
223 __forceinline vuint4 operator &(const vuint4& a, unsigned int b) { return a & vuint4(b); }
224 __forceinline vuint4 operator &(unsigned int a, const vuint4& b) { return vuint4(a) & b; }
225
226 __forceinline vuint4 operator |(const vuint4& a, const vuint4& b) { return _mm_or_si128(a, b); }
227 __forceinline vuint4 operator |(const vuint4& a, unsigned int b) { return a | vuint4(b); }
228 __forceinline vuint4 operator |(unsigned int a, const vuint4& b) { return vuint4(a) | b; }
229
230 __forceinline vuint4 operator ^(const vuint4& a, const vuint4& b) { return _mm_xor_si128(a, b); }
231 __forceinline vuint4 operator ^(const vuint4& a, unsigned int b) { return a ^ vuint4(b); }
232 __forceinline vuint4 operator ^(unsigned int a, const vuint4& b) { return vuint4(a) ^ b; }
233
234 __forceinline vuint4 operator <<(const vuint4& a, unsigned int n) { return _mm_slli_epi32(a, n); }
235 __forceinline vuint4 operator >>(const vuint4& a, unsigned int n) { return _mm_srli_epi32(a, n); }
236
237 __forceinline vuint4 sll (const vuint4& a, unsigned int b) { return _mm_slli_epi32(a, b); }
238 __forceinline vuint4 sra (const vuint4& a, unsigned int b) { return _mm_srai_epi32(a, b); }
239 __forceinline vuint4 srl (const vuint4& a, unsigned int b) { return _mm_srli_epi32(a, b); }
240
241 ////////////////////////////////////////////////////////////////////////////////
242 /// Assignment Operators
243 ////////////////////////////////////////////////////////////////////////////////
244
245 __forceinline vuint4& operator +=(vuint4& a, const vuint4& b) { return a = a + b; }
246 __forceinline vuint4& operator +=(vuint4& a, unsigned int b) { return a = a + b; }
247
248 __forceinline vuint4& operator -=(vuint4& a, const vuint4& b) { return a = a - b; }
249 __forceinline vuint4& operator -=(vuint4& a, unsigned int b) { return a = a - b; }
250
251//#if defined(__SSE4_1__)
252// __forceinline vuint4& operator *=(vuint4& a, const vuint4& b) { return a = a * b; }
253// __forceinline vuint4& operator *=(vuint4& a, unsigned int b) { return a = a * b; }
254//#endif
255
256 __forceinline vuint4& operator &=(vuint4& a, const vuint4& b) { return a = a & b; }
257 __forceinline vuint4& operator &=(vuint4& a, unsigned int b) { return a = a & b; }
258
259 __forceinline vuint4& operator |=(vuint4& a, const vuint4& b) { return a = a | b; }
260 __forceinline vuint4& operator |=(vuint4& a, unsigned int b) { return a = a | b; }
261
262 __forceinline vuint4& operator <<=(vuint4& a, unsigned int b) { return a = a << b; }
263 __forceinline vuint4& operator >>=(vuint4& a, unsigned int b) { return a = a >> b; }
264
265 ////////////////////////////////////////////////////////////////////////////////
266 /// Comparison Operators + Select
267 ////////////////////////////////////////////////////////////////////////////////
268
269#if defined(__AVX512VL__)
270 __forceinline vboolf4 operator ==(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_EQ); }
271 __forceinline vboolf4 operator !=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_NE); }
272 //__forceinline vboolf4 operator < (const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_LT); }
273 //__forceinline vboolf4 operator >=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_GE); }
274 //__forceinline vboolf4 operator > (const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_GT); }
275 //__forceinline vboolf4 operator <=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_LE); }
276#else
277 __forceinline vboolf4 operator ==(const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmpeq_epi32(a, b)); }
278 __forceinline vboolf4 operator !=(const vuint4& a, const vuint4& b) { return !(a == b); }
279 //__forceinline vboolf4 operator < (const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmplt_epu32(a, b)); }
280 //__forceinline vboolf4 operator >=(const vuint4& a, const vuint4& b) { return !(a < b); }
281 //__forceinline vboolf4 operator > (const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmpgt_epu32(a, b)); }
282 //__forceinline vboolf4 operator <=(const vuint4& a, const vuint4& b) { return !(a > b); }
283#endif
284
285 __forceinline vboolf4 operator ==(const vuint4& a, unsigned int b) { return a == vuint4(b); }
286 __forceinline vboolf4 operator ==(unsigned int a, const vuint4& b) { return vuint4(a) == b; }
287
288 __forceinline vboolf4 operator !=(const vuint4& a, unsigned int b) { return a != vuint4(b); }
289 __forceinline vboolf4 operator !=(unsigned int a, const vuint4& b) { return vuint4(a) != b; }
290
291 //__forceinline vboolf4 operator < (const vuint4& a, unsigned int b) { return a < vuint4(b); }
292 //__forceinline vboolf4 operator < (unsigned int a, const vuint4& b) { return vuint4(a) < b; }
293
294 //__forceinline vboolf4 operator >=(const vuint4& a, unsigned int b) { return a >= vuint4(b); }
295 //__forceinline vboolf4 operator >=(unsigned int a, const vuint4& b) { return vuint4(a) >= b; }
296
297 //__forceinline vboolf4 operator > (const vuint4& a, unsigned int b) { return a > vuint4(b); }
298 //__forceinline vboolf4 operator > (unsigned int a, const vuint4& b) { return vuint4(a) > b; }
299
300 //__forceinline vboolf4 operator <=(const vuint4& a, unsigned int b) { return a <= vuint4(b); }
301 //__forceinline vboolf4 operator <=(unsigned int a, const vuint4& b) { return vuint4(a) <= b; }
302
303 __forceinline vboolf4 eq(const vuint4& a, const vuint4& b) { return a == b; }
304 __forceinline vboolf4 ne(const vuint4& a, const vuint4& b) { return a != b; }
305 //__forceinline vboolf4 lt(const vuint4& a, const vuint4& b) { return a < b; }
306 //__forceinline vboolf4 ge(const vuint4& a, const vuint4& b) { return a >= b; }
307 //__forceinline vboolf4 gt(const vuint4& a, const vuint4& b) { return a > b; }
308 //__forceinline vboolf4 le(const vuint4& a, const vuint4& b) { return a <= b; }
309
310#if defined(__AVX512VL__)
311 __forceinline vboolf4 eq(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_EQ); }
312 __forceinline vboolf4 ne(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_NE); }
313 //__forceinline vboolf4 lt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LT); }
314 //__forceinline vboolf4 ge(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GE); }
315 //__forceinline vboolf4 gt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GT); }
316 //__forceinline vboolf4 le(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LE); }
317#else
318 __forceinline vboolf4 eq(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a == b); }
319 __forceinline vboolf4 ne(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a != b); }
320 //__forceinline vboolf4 lt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a < b); }
321 //__forceinline vboolf4 ge(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a >= b); }
322 //__forceinline vboolf4 gt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a > b); }
323 //__forceinline vboolf4 le(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a <= b); }
324#endif
325
326 template<int mask>
327 __forceinline vuint4 select(const vuint4& t, const vuint4& f) {
328#if defined(__SSE4_1__)
329 return _mm_castps_si128(_mm_blend_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), mask));
330#else
331 return select(vboolf4(mask), t, f);
332#endif
333 }
334
335/*#if defined(__SSE4_1__)
336 __forceinline vuint4 min(const vuint4& a, const vuint4& b) { return _mm_min_epu32(a, b); }
337 __forceinline vuint4 max(const vuint4& a, const vuint4& b) { return _mm_max_epu32(a, b); }
338
339#else
340 __forceinline vuint4 min(const vuint4& a, const vuint4& b) { return select(a < b,a,b); }
341 __forceinline vuint4 max(const vuint4& a, const vuint4& b) { return select(a < b,b,a); }
342#endif
343
344 __forceinline vuint4 min(const vuint4& a, unsigned int b) { return min(a,vuint4(b)); }
345 __forceinline vuint4 min(unsigned int a, const vuint4& b) { return min(vuint4(a),b); }
346 __forceinline vuint4 max(const vuint4& a, unsigned int b) { return max(a,vuint4(b)); }
347 __forceinline vuint4 max(unsigned int a, const vuint4& b) { return max(vuint4(a),b); }*/
348
349 ////////////////////////////////////////////////////////////////////////////////
350 // Movement/Shifting/Shuffling Functions
351 ////////////////////////////////////////////////////////////////////////////////
352
353 __forceinline vuint4 unpacklo(const vuint4& a, const vuint4& b) { return _mm_castps_si128(_mm_unpacklo_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b))); }
354 __forceinline vuint4 unpackhi(const vuint4& a, const vuint4& b) { return _mm_castps_si128(_mm_unpackhi_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b))); }
355
356#if defined(__aarch64__)
357 template<int i0, int i1, int i2, int i3>
358 __forceinline vuint4 shuffle(const vuint4& v) {
359 return vreinterpretq_s32_u8(vqtbl1q_u8( (uint8x16_t)v.v, _MN_SHUFFLE(i0, i1, i2, i3)));
360 }
361 template<int i0, int i1, int i2, int i3>
362 __forceinline vuint4 shuffle(const vuint4& a, const vuint4& b) {
363 return vreinterpretq_s32_u8(vqtbl2q_u8( (uint8x16x2_t){(uint8x16_t)a.v, (uint8x16_t)b.v}, _MF_SHUFFLE(i0, i1, i2, i3)));
364 }
365#else
366 template<int i0, int i1, int i2, int i3>
367 __forceinline vuint4 shuffle(const vuint4& v) {
368 return _mm_shuffle_epi32(v, _MM_SHUFFLE(i3, i2, i1, i0));
369 }
370
371 template<int i0, int i1, int i2, int i3>
372 __forceinline vuint4 shuffle(const vuint4& a, const vuint4& b) {
373 return _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b), _MM_SHUFFLE(i3, i2, i1, i0)));
374 }
375#endif
376#if defined(__SSE3__)
377 template<> __forceinline vuint4 shuffle<0, 0, 2, 2>(const vuint4& v) { return _mm_castps_si128(_mm_moveldup_ps(_mm_castsi128_ps(v))); }
378 template<> __forceinline vuint4 shuffle<1, 1, 3, 3>(const vuint4& v) { return _mm_castps_si128(_mm_movehdup_ps(_mm_castsi128_ps(v))); }
379 template<> __forceinline vuint4 shuffle<0, 1, 0, 1>(const vuint4& v) { return _mm_castpd_si128(_mm_movedup_pd (_mm_castsi128_pd(v))); }
380#endif
381
382 template<int i>
383 __forceinline vuint4 shuffle(const vuint4& v) {
384 return shuffle<i,i,i,i>(v);
385 }
386
387#if defined(__SSE4_1__) && !defined(__aarch64__)
388 template<int src> __forceinline unsigned int extract(const vuint4& b) { return _mm_extract_epi32(b, src); }
389 template<int dst> __forceinline vuint4 insert(const vuint4& a, const unsigned b) { return _mm_insert_epi32(a, b, dst); }
390#else
391 template<int src> __forceinline unsigned int extract(const vuint4& b) { return b[src&3]; }
392 template<int dst> __forceinline vuint4 insert(const vuint4& a, const unsigned b) { vuint4 c = a; c[dst&3] = b; return c; }
393#endif
394
395 template<> __forceinline unsigned int extract<0>(const vuint4& b) { return _mm_cvtsi128_si32(b); }
396
397 __forceinline unsigned int toScalar(const vuint4& v) { return _mm_cvtsi128_si32(v); }
398
399 ////////////////////////////////////////////////////////////////////////////////
400 /// Reductions
401 ////////////////////////////////////////////////////////////////////////////////
402
403#if 0
404#if defined(__SSE4_1__)
405
406 __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); }
407 __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); }
408 __forceinline vuint4 vreduce_add(const vuint4& v) { vuint4 h = shuffle<1,0,3,2>(v) + v ; return shuffle<2,3,0,1>(h) + h ; }
409
410 __forceinline unsigned int reduce_min(const vuint4& v) { return toScalar(vreduce_min(v)); }
411 __forceinline unsigned int reduce_max(const vuint4& v) { return toScalar(vreduce_max(v)); }
412 __forceinline unsigned int reduce_add(const vuint4& v) { return toScalar(vreduce_add(v)); }
413
414 __forceinline size_t select_min(const vuint4& v) { return bsf(movemask(v == vreduce_min(v))); }
415 __forceinline size_t select_max(const vuint4& v) { return bsf(movemask(v == vreduce_max(v))); }
416
417 //__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)))); }
418 //__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)))); }
419
420#else
421
422 __forceinline unsigned int reduce_min(const vuint4& v) { return min(v[0],v[1],v[2],v[3]); }
423 __forceinline unsigned int reduce_max(const vuint4& v) { return max(v[0],v[1],v[2],v[3]); }
424 __forceinline unsigned int reduce_add(const vuint4& v) { return v[0]+v[1]+v[2]+v[3]; }
425
426#endif
427#endif
428
429 ////////////////////////////////////////////////////////////////////////////////
430 /// Output Operators
431 ////////////////////////////////////////////////////////////////////////////////
432
433 __forceinline embree_ostream operator <<(embree_ostream cout, const vuint4& a) {
434 return cout << "<" << a[0] << ", " << a[1] << ", " << a[2] << ", " << a[3] << ">";
435 }
436}
437
438#undef vboolf
439#undef vboold
440#undef vint
441#undef vuint
442#undef vllong
443#undef vfloat
444#undef vdouble
445