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PR 751: Fixed compilation issue when compiling using MSVC with /arch:AVX512 flag

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This commit is contained in:
Sakshi Goynar 2019-10-31 16:09:16 -07:00
parent 8496f86f84
commit 75b4c0a3e0
1 changed files with 3 additions and 3 deletions
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6
Eigen/src/Core/arch/AVX512/MathFunctions.h
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@ -15,13 +15,13 @@ namespace Eigen {
namespace internal {
// Disable the code for older versions of gcc that don't support many of the required avx512 instrinsics.
#if EIGEN_GNUC_AT_LEAST(5, 3) || EIGEN_COMP_CLANG
#if EIGEN_GNUC_AT_LEAST(5, 3) || EIGEN_COMP_CLANG || EIGEN_COMP_MSVC >= 1923
#define _EIGEN_DECLARE_CONST_Packet16f(NAME, X) \
const Packet16f p16f_##NAME = pset1<Packet16f>(X)
#define _EIGEN_DECLARE_CONST_Packet16f_FROM_INT(NAME, X) \
const Packet16f p16f_##NAME = (__m512)pset1<Packet16i>(X)
const Packet16f p16f_##NAME = preinterpret<Packet16f,Packet16i>(pset1<Packet16i>(X))
#define _EIGEN_DECLARE_CONST_Packet8d(NAME, X) \
const Packet8d p8d_##NAME = pset1<Packet8d>(X)
@ -72,7 +72,7 @@ plog<Packet16f>(const Packet16f& _x) {
x = pmax(x, p16f_min_norm_pos);
// Extract the shifted exponents.
Packet16f emm0 = _mm512_cvtepi32_ps(_mm512_srli_epi32((__m512i)x, 23));
Packet16f emm0 = _mm512_cvtepi32_ps(_mm512_srli_epi32(preinterpret<Packet16i,Packet16f>(x), 23));
Packet16f e = _mm512_sub_ps(emm0, p16f_126f);
// Set the exponents to -1, i.e. x are in the range [0.5,1).