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Fix for __shuffle2_float

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Vsevolod Livinskiy
2014-11-27 16:07:16 +04:00
parent 307c825c4e
commit 190d7957d4
1 changed files with 11 additions and 0 deletions
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11
examples/intrinsics/knc.h
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@@ -1325,6 +1325,17 @@ static FORCEINLINE __vec16_f __shuffle_float(__vec16_f v, __vec16_i32 index) {
return _mm512_castsi512_ps(_mm512_mask_permutevar_epi32(_mm512_castps_si512(v), 0xffff, index, _mm512_castps_si512(v)));
}
static FORCEINLINE __vec16_f __shuffle2_float(__vec16_f v0, __vec16_f v1, __vec16_i32 index) {
__vec16_f ret;
for (int i = 0; i < 16; ++i){
if (__extract_element(index, i) < 16)
__insert_element(&ret, i, __extract_element(v0, __extract_element(index, i) & 0xF));
else
__insert_element(&ret, i, __extract_element(v1, __extract_element(index, i) & 0xF));
}
return ret;
}
template <int ALIGN> static FORCEINLINE __vec16_f __load(const __vec16_f *p) {
#ifdef ISPC_FORCE_ALIGNED_MEMORY
return _mm512_load_ps(p);