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AVX512: _mm512_rsqrt28_ps is available for AVX512ER only

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(grafted from 40b4bf3d32265152ae26c2f630f6f70e5d676f3d
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This commit is contained in:
Gael Guennebaud 2018-04-03 14:36:27 +02:00
parent c2f9e6cb37
commit 1939c971a3
2 changed files with 4 additions and 1 deletions
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3
Eigen/Core
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@ -171,6 +171,9 @@
#ifdef __AVX512DQ__
#define EIGEN_VECTORIZE_AVX512DQ
#endif
#ifdef __AVX512ER__
#define EIGEN_VECTORIZE_AVX512ER
#endif
#endif
// include files

2
Eigen/src/Core/arch/AVX512/MathFunctions.h
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@ -375,7 +375,7 @@ prsqrt<Packet8d>(const Packet8d& _x) {
// Insert NaNs and Infs in all the right places.
return _mm512_mask_blend_pd(le_zero_mask, x, infs_and_nans);
}
#else
#elif defined(EIGEN_VECTORIZE_AVX512ER)
template <>
EIGEN_STRONG_INLINE Packet16f prsqrt<Packet16f>(const Packet16f& x) {
return _mm512_rsqrt28_ps(x);