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Diffstat (limited to 'intern/cycles/util/util_ssei.h')
-rw-r--r-- | intern/cycles/util/util_ssei.h | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/intern/cycles/util/util_ssei.h b/intern/cycles/util/util_ssei.h new file mode 100644 index 00000000000..5f5a8686e35 --- /dev/null +++ b/intern/cycles/util/util_ssei.h @@ -0,0 +1,294 @@ +/* + * Copyright 2011-2013 Intel Corporation + * Modifications Copyright 2014, Blender Foundation. + * + * Licensed under the Apache License, Version 2.0(the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + */ + +#ifndef __UTIL_SSEI_H__ +#define __UTIL_SSEI_H__ + +CCL_NAMESPACE_BEGIN + +#ifdef __KERNEL_SSE2__ + +/*! 4-wide SSE integer type. */ +struct ssei +{ + typedef sseb Mask; // mask type + typedef ssei Int; // int type + typedef ssef Float; // float type + + enum { size = 4 }; // number of SIMD elements + union { __m128i m128; int32_t i[4]; }; // data + + //////////////////////////////////////////////////////////////////////////////// + /// Constructors, Assignment & Cast Operators + //////////////////////////////////////////////////////////////////////////////// + + __forceinline ssei ( ) {} + __forceinline ssei ( const ssei& a ) { m128 = a.m128; } + __forceinline ssei& operator=( const ssei& a ) { m128 = a.m128; return *this; } + + __forceinline ssei( const __m128i a ) : m128(a) {} + __forceinline operator const __m128i&( void ) const { return m128; } + __forceinline operator __m128i&( void ) { return m128; } + + __forceinline ssei ( const int a ) : m128(_mm_set1_epi32(a)) {} + __forceinline ssei ( int a, int b, int c, int d ) : m128(_mm_setr_epi32(a, b, c, d)) {} + + __forceinline explicit ssei( const __m128 a ) : m128(_mm_cvtps_epi32(a)) {} + + //////////////////////////////////////////////////////////////////////////////// + /// Array Access + //////////////////////////////////////////////////////////////////////////////// + + __forceinline const int32_t& operator []( const size_t index ) const { assert(index < 4); return i[index]; } + __forceinline int32_t& operator []( const size_t index ) { assert(index < 4); return i[index]; } +}; + +//////////////////////////////////////////////////////////////////////////////// +/// Unary Operators +//////////////////////////////////////////////////////////////////////////////// + +__forceinline const ssei cast ( const __m128& a ) { return _mm_castps_si128(a); } +__forceinline const ssei operator +( const ssei& a ) { return a; } +__forceinline const ssei operator -( const ssei& a ) { return _mm_sub_epi32(_mm_setzero_si128(), a.m128); } +#if defined(__KERNEL_SSSE3__) +__forceinline const ssei abs ( const ssei& a ) { return _mm_abs_epi32(a.m128); } +#endif + +//////////////////////////////////////////////////////////////////////////////// +/// Binary Operators +//////////////////////////////////////////////////////////////////////////////// + +__forceinline const ssei operator +( const ssei& a, const ssei& b ) { return _mm_add_epi32(a.m128, b.m128); } +__forceinline const ssei operator +( const ssei& a, const int32_t& b ) { return a + ssei(b); } +__forceinline const ssei operator +( const int32_t& a, const ssei& b ) { return ssei(a) + b; } + +__forceinline const ssei operator -( const ssei& a, const ssei& b ) { return _mm_sub_epi32(a.m128, b.m128); } +__forceinline const ssei operator -( const ssei& a, const int32_t& b ) { return a - ssei(b); } +__forceinline const ssei operator -( const int32_t& a, const ssei& b ) { return ssei(a) - b; } + +#if defined(__KERNEL_SSE41__) +__forceinline const ssei operator *( const ssei& a, const ssei& b ) { return _mm_mullo_epi32(a.m128, b.m128); } +__forceinline const ssei operator *( const ssei& a, const int32_t& b ) { return a * ssei(b); } +__forceinline const ssei operator *( const int32_t& a, const ssei& b ) { return ssei(a) * b; } +#endif + +__forceinline const ssei operator &( const ssei& a, const ssei& b ) { return _mm_and_si128(a.m128, b.m128); } +__forceinline const ssei operator &( const ssei& a, const int32_t& b ) { return a & ssei(b); } +__forceinline const ssei operator &( const int32_t& a, const ssei& b ) { return ssei(a) & b; } + +__forceinline const ssei operator |( const ssei& a, const ssei& b ) { return _mm_or_si128(a.m128, b.m128); } +__forceinline const ssei operator |( const ssei& a, const int32_t& b ) { return a | ssei(b); } +__forceinline const ssei operator |( const int32_t& a, const ssei& b ) { return ssei(a) | b; } + +__forceinline const ssei operator ^( const ssei& a, const ssei& b ) { return _mm_xor_si128(a.m128, b.m128); } +__forceinline const ssei operator ^( const ssei& a, const int32_t& b ) { return a ^ ssei(b); } +__forceinline const ssei operator ^( const int32_t& a, const ssei& b ) { return ssei(a) ^ b; } + +__forceinline const ssei operator <<( const ssei& a, const int32_t& n ) { return _mm_slli_epi32(a.m128, n); } +__forceinline const ssei operator >>( const ssei& a, const int32_t& n ) { return _mm_srai_epi32(a.m128, n); } + +__forceinline const ssei andnot(const ssei& a, const ssei& b) { return _mm_andnot_si128(a.m128,b.m128); } +__forceinline const ssei andnot(const sseb& a, const ssei& b) { return _mm_andnot_si128(cast(a.m128),b.m128); } +__forceinline const ssei andnot(const ssei& a, const sseb& b) { return _mm_andnot_si128(a.m128,cast(b.m128)); } + +__forceinline const ssei sra ( const ssei& a, const int32_t& b ) { return _mm_srai_epi32(a.m128, b); } +__forceinline const ssei srl ( const ssei& a, const int32_t& b ) { return _mm_srli_epi32(a.m128, b); } + +#if defined(__KERNEL_SSE41__) +__forceinline const ssei min( const ssei& a, const ssei& b ) { return _mm_min_epi32(a.m128, b.m128); } +__forceinline const ssei min( const ssei& a, const int32_t& b ) { return min(a,ssei(b)); } +__forceinline const ssei min( const int32_t& a, const ssei& b ) { return min(ssei(a),b); } + +__forceinline const ssei max( const ssei& a, const ssei& b ) { return _mm_max_epi32(a.m128, b.m128); } +__forceinline const ssei max( const ssei& a, const int32_t& b ) { return max(a,ssei(b)); } +__forceinline const ssei max( const int32_t& a, const ssei& b ) { return max(ssei(a),b); } +#endif + +//////////////////////////////////////////////////////////////////////////////// +/// Assignment Operators +//////////////////////////////////////////////////////////////////////////////// + +__forceinline ssei& operator +=( ssei& a, const ssei& b ) { return a = a + b; } +__forceinline ssei& operator +=( ssei& a, const int32_t& b ) { return a = a + b; } + +__forceinline ssei& operator -=( ssei& a, const ssei& b ) { return a = a - b; } +__forceinline ssei& operator -=( ssei& a, const int32_t& b ) { return a = a - b; } + +#if defined(__KERNEL_SSE41__) +__forceinline ssei& operator *=( ssei& a, const ssei& b ) { return a = a * b; } +__forceinline ssei& operator *=( ssei& a, const int32_t& b ) { return a = a * b; } +#endif + +__forceinline ssei& operator &=( ssei& a, const ssei& b ) { return a = a & b; } +__forceinline ssei& operator &=( ssei& a, const int32_t& b ) { return a = a & b; } + +__forceinline ssei& operator |=( ssei& a, const ssei& b ) { return a = a | b; } +__forceinline ssei& operator |=( ssei& a, const int32_t& b ) { return a = a | b; } + +__forceinline ssei& operator <<=( ssei& a, const int32_t& b ) { return a = a << b; } +__forceinline ssei& operator >>=( ssei& a, const int32_t& b ) { return a = a >> b; } + +//////////////////////////////////////////////////////////////////////////////// +/// Comparison Operators + Select +//////////////////////////////////////////////////////////////////////////////// + +__forceinline const sseb operator ==( const ssei& a, const ssei& b ) { return _mm_castsi128_ps(_mm_cmpeq_epi32 (a.m128, b.m128)); } +__forceinline const sseb operator ==( const ssei& a, const int32_t& b ) { return a == ssei(b); } +__forceinline const sseb operator ==( const int32_t& a, const ssei& b ) { return ssei(a) == b; } + +__forceinline const sseb operator !=( const ssei& a, const ssei& b ) { return !(a == b); } +__forceinline const sseb operator !=( const ssei& a, const int32_t& b ) { return a != ssei(b); } +__forceinline const sseb operator !=( const int32_t& a, const ssei& b ) { return ssei(a) != b; } + +__forceinline const sseb operator < ( const ssei& a, const ssei& b ) { return _mm_castsi128_ps(_mm_cmplt_epi32 (a.m128, b.m128)); } +__forceinline const sseb operator < ( const ssei& a, const int32_t& b ) { return a < ssei(b); } +__forceinline const sseb operator < ( const int32_t& a, const ssei& b ) { return ssei(a) < b; } + +__forceinline const sseb operator >=( const ssei& a, const ssei& b ) { return !(a < b); } +__forceinline const sseb operator >=( const ssei& a, const int32_t& b ) { return a >= ssei(b); } +__forceinline const sseb operator >=( const int32_t& a, const ssei& b ) { return ssei(a) >= b; } + +__forceinline const sseb operator > ( const ssei& a, const ssei& b ) { return _mm_castsi128_ps(_mm_cmpgt_epi32 (a.m128, b.m128)); } +__forceinline const sseb operator > ( const ssei& a, const int32_t& b ) { return a > ssei(b); } +__forceinline const sseb operator > ( const int32_t& a, const ssei& b ) { return ssei(a) > b; } + +__forceinline const sseb operator <=( const ssei& a, const ssei& b ) { return !(a > b); } +__forceinline const sseb operator <=( const ssei& a, const int32_t& b ) { return a <= ssei(b); } +__forceinline const sseb operator <=( const int32_t& a, const ssei& b ) { return ssei(a) <= b; } + +__forceinline const ssei select( const sseb& m, const ssei& t, const ssei& f ) { +#ifdef __KERNEL_SSE41__ + 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 +} + +__forceinline const ssei select( const int mask, const ssei& t, const ssei& f ) { +#if defined(__KERNEL_SSE41__) && ((!defined(__clang__) && !defined(_MSC_VER)) || defined(__INTEL_COMPILER)) + return _mm_castps_si128(_mm_blend_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), mask)); +#else + return select(sseb(mask),t,f); +#endif +} + +//////////////////////////////////////////////////////////////////////////////// +// Movement/Shifting/Shuffling Functions +//////////////////////////////////////////////////////////////////////////////// + +__forceinline ssei unpacklo( const ssei& a, const ssei& b ) { return _mm_castps_si128(_mm_unpacklo_ps(_mm_castsi128_ps(a.m128), _mm_castsi128_ps(b.m128))); } +__forceinline ssei unpackhi( const ssei& a, const ssei& b ) { return _mm_castps_si128(_mm_unpackhi_ps(_mm_castsi128_ps(a.m128), _mm_castsi128_ps(b.m128))); } + +template<size_t i0, size_t i1, size_t i2, size_t i3> __forceinline const ssei shuffle( const ssei& a ) { + return _mm_shuffle_epi32(a, _MM_SHUFFLE(i3, i2, i1, i0)); +} + +template<size_t i0, size_t i1, size_t i2, size_t i3> __forceinline const ssei shuffle( const ssei& a, const ssei& b ) { + return _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b), _MM_SHUFFLE(i3, i2, i1, i0))); +} + +#if defined(__KERNEL_SSE3__) +template<> __forceinline const ssei shuffle<0, 0, 2, 2>( const ssei& a ) { return _mm_castps_si128(_mm_moveldup_ps(_mm_castsi128_ps(a))); } +template<> __forceinline const ssei shuffle<1, 1, 3, 3>( const ssei& a ) { return _mm_castps_si128(_mm_movehdup_ps(_mm_castsi128_ps(a))); } +template<> __forceinline const ssei shuffle<0, 1, 0, 1>( const ssei& a ) { return _mm_castpd_si128(_mm_movedup_pd (_mm_castsi128_pd(a))); } +#endif + +template<size_t i0> __forceinline const ssei shuffle( const ssei& b ) { + return shuffle<i0,i0,i0,i0>(b); +} + +#if defined(__KERNEL_SSE41__) +template<size_t src> __forceinline int extract( const ssei& b ) { return _mm_extract_epi32(b, src); } +template<size_t dst> __forceinline const ssei insert( const ssei& a, const int32_t b ) { return _mm_insert_epi32(a, b, dst); } +#else +template<size_t src> __forceinline int extract( const ssei& b ) { return b[src]; } +template<size_t dst> __forceinline const ssei insert( const ssei& a, const int32_t b ) { ssei c = a; c[dst] = b; return c; } +#endif + +//////////////////////////////////////////////////////////////////////////////// +/// Reductions +//////////////////////////////////////////////////////////////////////////////// + +#if defined(__KERNEL_SSE41__) +__forceinline const ssei vreduce_min(const ssei& v) { ssei h = min(shuffle<1,0,3,2>(v),v); return min(shuffle<2,3,0,1>(h),h); } +__forceinline const ssei vreduce_max(const ssei& v) { ssei h = max(shuffle<1,0,3,2>(v),v); return max(shuffle<2,3,0,1>(h),h); } +__forceinline const ssei vreduce_add(const ssei& v) { ssei h = shuffle<1,0,3,2>(v) + v ; return shuffle<2,3,0,1>(h) + h ; } + +__forceinline int reduce_min(const ssei& v) { return extract<0>(vreduce_min(v)); } +__forceinline int reduce_max(const ssei& v) { return extract<0>(vreduce_max(v)); } +__forceinline int reduce_add(const ssei& v) { return extract<0>(vreduce_add(v)); } + +__forceinline size_t select_min(const ssei& v) { return __bsf(movemask(v == vreduce_min(v))); } +__forceinline size_t select_max(const ssei& v) { return __bsf(movemask(v == vreduce_max(v))); } + +__forceinline size_t select_min(const sseb& valid, const ssei& v) { const ssei a = select(valid,v,ssei((int)pos_inf)); return __bsf(movemask(valid & (a == vreduce_min(a)))); } +__forceinline size_t select_max(const sseb& valid, const ssei& v) { const ssei a = select(valid,v,ssei((int)neg_inf)); return __bsf(movemask(valid & (a == vreduce_max(a)))); } + +#else + +__forceinline int reduce_min(const ssei& v) { return min(min(v[0],v[1]),min(v[2],v[3])); } +__forceinline int reduce_max(const ssei& v) { return max(max(v[0],v[1]),max(v[2],v[3])); } +__forceinline int reduce_add(const ssei& v) { return v[0]+v[1]+v[2]+v[3]; } + +#endif + +//////////////////////////////////////////////////////////////////////////////// +/// Memory load and store operations +//////////////////////////////////////////////////////////////////////////////// + +__forceinline ssei load4i( const void* const a ) { + return _mm_load_si128((__m128i*)a); +} + +__forceinline void store4i(void* ptr, const ssei& v) { + _mm_store_si128((__m128i*)ptr,v); +} + +__forceinline void storeu4i(void* ptr, const ssei& v) { + _mm_storeu_si128((__m128i*)ptr,v); +} + +__forceinline void store4i( const sseb& mask, void* ptr, const ssei& i ) { +#if defined (__KERNEL_AVX__) + _mm_maskstore_ps((float*)ptr,(__m128i)mask,_mm_castsi128_ps(i)); +#else + *(ssei*)ptr = select(mask,i,*(ssei*)ptr); +#endif +} + +__forceinline ssei load4i_nt (void* ptr) { +#if defined(__KERNEL_SSE41__) + return _mm_stream_load_si128((__m128i*)ptr); +#else + return _mm_load_si128((__m128i*)ptr); +#endif +} + +__forceinline void store4i_nt(void* ptr, const ssei& v) { +#if defined(__KERNEL_SSE41__) + _mm_stream_ps((float*)ptr,_mm_castsi128_ps(v)); +#else + _mm_store_si128((__m128i*)ptr,v); +#endif +} + +#endif + +CCL_NAMESPACE_END + +#endif + |