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Differential D2592 Diff 8686 intern/cycles/util/util_simd.h

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intern/cycles/util/util_simd.h

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} }
#endif #endif
#endif /* _WIN32 */ #endif /* _WIN32 */
static const unsigned int BITSCAN_NO_BIT_SET_32 = 32; static const unsigned int BITSCAN_NO_BIT_SET_32 = 32;
static const size_t BITSCAN_NO_BIT_SET_64 = 64; static const size_t BITSCAN_NO_BIT_SET_64 = 64;
#ifdef __KERNEL_SSE3__
/* Emulation of SSE4 functions with SSE3 */ /* Emulation of SSE4 functions with SSE3 */
# ifndef __KERNEL_SSE41__
#if defined(__KERNEL_SSE3) && !defined(__KERNEL_SSE4__)
#define _MM_FROUND_TO_NEAREST_INT 0x00 #define _MM_FROUND_TO_NEAREST_INT 0x00
#define _MM_FROUND_TO_NEG_INF 0x01 #define _MM_FROUND_TO_NEG_INF 0x01
#define _MM_FROUND_TO_POS_INF 0x02 #define _MM_FROUND_TO_POS_INF 0x02
#define _MM_FROUND_TO_ZERO 0x03 #define _MM_FROUND_TO_ZERO 0x03
#define _MM_FROUND_CUR_DIRECTION 0x04 #define _MM_FROUND_CUR_DIRECTION 0x04
#define _mm_blendv_ps __emu_mm_blendv_ps #define _mm_blendv_ps __emu_mm_blendv_ps
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} }
#define _mm_mullo_epi32 __emu_mm_mullo_epi32 #define _mm_mullo_epi32 __emu_mm_mullo_epi32
__forceinline __m128i _mm_mullo_epi32( __m128i value, __m128i input ) { __forceinline __m128i _mm_mullo_epi32( __m128i value, __m128i input ) {
__m128i rvalue; __m128i rvalue;
char* _r = (char*)(&rvalue + 1); char* _r = (char*)(&rvalue + 1);
char* _v = (char*)(& value + 1); char* _v = (char*)(& value + 1);
char* _i = (char*)(& input + 1); char* _i = (char*)(& input + 1);
for( ssize_t i = -16 ; i != 0 ; i += 4 ) *((int32*)(_r + i)) = *((int32*)(_v + i))* *((int32*)(_i + i)); for( ssize_t i = -16 ; i != 0 ; i += 4 ) *((int32_t*)(_r + i)) = *((int32_t*)(_v + i))* *((int32_t*)(_i + i));
return rvalue; return rvalue;
} }
#define _mm_min_epi32 __emu_mm_min_epi32 #define _mm_min_epi32 __emu_mm_min_epi32
__forceinline __m128i _mm_min_epi32( __m128i value, __m128i input ) { __forceinline __m128i _mm_min_epi32( __m128i value, __m128i input ) {
return _mm_blendv_epi8(input, value, _mm_cmplt_epi32(value, input)); return _mm_blendv_epi8(input, value, _mm_cmplt_epi32(value, input));
} }
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#define _mm_insert_epi32 __emu_mm_insert_epi32 #define _mm_insert_epi32 __emu_mm_insert_epi32
__forceinline __m128i _mm_insert_epi32( __m128i value, int input, const int index ) { __forceinline __m128i _mm_insert_epi32( __m128i value, int input, const int index ) {
assert(index >= 0 && index < 4); ((int*)&value)[index] = input; return value; assert(index >= 0 && index < 4); ((int*)&value)[index] = input; return value;
} }
#define _mm_extract_ps __emu_mm_extract_ps #define _mm_extract_ps __emu_mm_extract_ps
__forceinline int _mm_extract_ps( __m128 input, const int index ) { __forceinline int _mm_extract_ps( __m128 input, const int index ) {
int32* ptr = (int32*)&input; return ptr[index]; int32_t* ptr = (int32_t*)&input; return ptr[index];
} }
#define _mm_insert_ps __emu_mm_insert_ps #define _mm_insert_ps __emu_mm_insert_ps
__forceinline __m128 _mm_insert_ps( __m128 value, __m128 input, const int index ) __forceinline __m128 _mm_insert_ps( __m128 value, __m128 input, const int index )
{ assert(index < 0x100); ((float*)&value)[(index >> 4)&0x3] = ((float*)&input)[index >> 6]; return _mm_andnot_ps(_mm_lookupmask_ps[index&0xf], value); } { assert(index < 0x100); ((float*)&value)[(index >> 4)&0x3] = ((float*)&input)[index >> 6]; return _mm_andnot_ps(_mm_lookupmask_ps[index&0xf], value); }
#define _mm_round_ps __emu_mm_round_ps #define _mm_round_ps __emu_mm_round_ps
__forceinline __m128 _mm_round_ps( __m128 value, const int flags ) __forceinline __m128 _mm_round_ps( __m128 value, const int flags )
{ {
switch ( flags ) switch ( flags )
{ {
case _MM_FROUND_TO_NEAREST_INT: return _mm_cvtepi32_ps(_mm_cvtps_epi32(value)); case _MM_FROUND_TO_NEAREST_INT: return _mm_cvtepi32_ps(_mm_cvtps_epi32(value));
case _MM_FROUND_TO_NEG_INF : return _mm_cvtepi32_ps(_mm_cvtps_epi32(_mm_add_ps(value, _mm_set1_ps(-0.5f)))); case _MM_FROUND_TO_NEG_INF : return _mm_cvtepi32_ps(_mm_cvtps_epi32(_mm_add_ps(value, _mm_set1_ps(-0.5f))));
case _MM_FROUND_TO_POS_INF : return _mm_cvtepi32_ps(_mm_cvtps_epi32(_mm_add_ps(value, _mm_set1_ps( 0.5f)))); case _MM_FROUND_TO_POS_INF : return _mm_cvtepi32_ps(_mm_cvtps_epi32(_mm_add_ps(value, _mm_set1_ps( 0.5f))));
case _MM_FROUND_TO_ZERO : return _mm_cvtepi32_ps(_mm_cvttps_epi32(value)); case _MM_FROUND_TO_ZERO : return _mm_cvtepi32_ps(_mm_cvttps_epi32(value));
} }
return value; return value;
} }
#ifdef _M_X64 # ifdef _M_X64
#define _mm_insert_epi64 __emu_mm_insert_epi64 #define _mm_insert_epi64 __emu_mm_insert_epi64
__forceinline __m128i _mm_insert_epi64( __m128i value, __int64 input, const int index ) { __forceinline __m128i _mm_insert_epi64( __m128i value, __int64 input, const int index ) {
assert(size_t(index) < 4); ((__int64*)&value)[index] = input; return value; assert(size_t(index) < 4); ((__int64*)&value)[index] = input; return value;
} }
#define _mm_extract_epi64 __emu_mm_extract_epi64 #define _mm_extract_epi64 __emu_mm_extract_epi64
__forceinline __int64 _mm_extract_epi64( __m128i input, const int index ) { __forceinline __int64 _mm_extract_epi64( __m128i input, const int index ) {
assert(size_t(index) < 2); assert(size_t(index) < 2);
return index == 0 ? _mm_cvtsi128_si64x(input) : _mm_cvtsi128_si64x(_mm_unpackhi_epi64(input, input)); return index == 0 ? _mm_cvtsi128_si64x(input) : _mm_cvtsi128_si64x(_mm_unpackhi_epi64(input, input));
} }
#endif # endif
#endif # endif
#define _mm_fabs_ps(x) _mm_and_ps(x, _mm_castsi128_ps(_mm_set1_epi32(0x7fffffff)))
/* Return a __m128 with every element set to the largest element of v. */
ccl_device_inline __m128 _mm_hmax_ps(__m128 v)
{
/* v[0, 1, 2, 3] => [0, 1, 0, 1] and [2, 3, 2, 3] => v[max(0, 2), max(1, 3), max(0, 2), max(1, 3)] */
v = _mm_max_ps(_mm_movehl_ps(v, v), _mm_movelh_ps(v, v));
/* v[max(0, 2), max(1, 3), max(0, 2), max(1, 3)] => [4 times max(1, 3)] and [4 times max(0, 2)] => v[4 times max(0, 1, 2, 3)] */
v = _mm_max_ps(_mm_movehdup_ps(v), _mm_moveldup_ps(v));
return v;
}
/* Return the sum of the four elements of x. */
ccl_device_inline float _mm_hsum_ss(__m128 x)
{
__m128 a = _mm_movehdup_ps(x);
__m128 b = _mm_add_ps(x, a);
return _mm_cvtss_f32(_mm_add_ss(_mm_movehl_ps(a, b), b));
}
/* Return a __m128 with every element set to the sum of the four elements of x. */
ccl_device_inline __m128 _mm_hsum_ps(__m128 x)
{
x = _mm_hadd_ps(x, x);
x = _mm_hadd_ps(x, x);
return x;
}
/* Replace elements of x with zero where mask isn't set. */
#define _mm_mask_ps(x, mask) _mm_blendv_ps(_mm_setzero_ps(), x, mask)
#endif
#else /* __KERNEL_SSE2__ */ #else /* __KERNEL_SSE2__ */
/* This section is for utility functions which operates on non-register data /* This section is for utility functions which operates on non-register data
* which might be used from a non-vectorized code. * which might be used from a non-vectorized code.
*/ */
ccl_device_inline int bitscan(int value) ccl_device_inline int bitscan(int value)
{ {
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