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Add specializations for pmin/pmax with prescribed NaN propagation semantics for SSE/AVX/AVX512.

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This commit is contained in:
Rasmus Munk Larsen
2020-10-13 18:22:41 -07:00
parent 274ef12b61
commit af6f43d7ff
3 changed files with 183 additions and 63 deletions
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35
Eigen/src/Core/arch/AVX512/PacketMath.h
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@@ -344,6 +344,41 @@ EIGEN_STRONG_INLINE Packet8d pmax<Packet8d>(const Packet8d& a,
return _mm512_max_pd(b, a);
}
// Add specializations for min/max with prescribed NaN progation.
template<>
EIGEN_STRONG_INLINE Packet16f pmin<PropagateNumbers, Packet16f>(const Packet16f& a, const Packet16f& b) {
return pminmax_propagate_numbers(a, b, pmin<Packet16f>);
}
template<>
EIGEN_STRONG_INLINE Packet8d pmin<PropagateNumbers, Packet8d>(const Packet8d& a, const Packet8d& b) {
return pminmax_propagate_numbers(a, b, pmin<Packet8d>);
}
template<>
EIGEN_STRONG_INLINE Packet16f pmax<PropagateNumbers, Packet16f>(const Packet16f& a, const Packet16f& b) {
return pminmax_propagate_numbers(a, b, pmax<Packet16f>);
}
template<>
EIGEN_STRONG_INLINE Packet8d pmax<PropagateNumbers, Packet8d>(const Packet8d& a, const Packet8d& b) {
return pminmax_propagate_numbers(a, b, pmax<Packet8d>);
}
template<>
EIGEN_STRONG_INLINE Packet16f pmin<PropagateNaN, Packet16f>(const Packet16f& a, const Packet16f& b) {
return pminmax_propagate_nan(a, b, pmin<Packet16f>);
}
template<>
EIGEN_STRONG_INLINE Packet8d pmin<PropagateNaN, Packet8d>(const Packet8d& a, const Packet8d& b) {
return pminmax_propagate_nan(a, b, pmin<Packet8d>);
}
template<>
EIGEN_STRONG_INLINE Packet16f pmax<PropagateNaN, Packet16f>(const Packet16f& a, const Packet16f& b) {
return pminmax_propagate_nan(a, b, pmax<Packet16f>);
}
template<>
EIGEN_STRONG_INLINE Packet8d pmax<PropagateNaN, Packet8d>(const Packet8d& a, const Packet8d& b) {
return pminmax_propagate_nan(a, b, pmax<Packet8d>);
}
#ifdef EIGEN_VECTORIZE_AVX512DQ
template<int I_> EIGEN_STRONG_INLINE Packet8f extract256(Packet16f x) { return _mm512_extractf32x8_ps(x,I_); }
template<int I_> EIGEN_STRONG_INLINE Packet2d extract128(Packet8d x) { return _mm512_extractf64x2_pd(x,I_); }