diff options
Diffstat (limited to 'Eigen/src/Core/arch/ZVector/MathFunctions.h')
| -rw-r--r-- | Eigen/src/Core/arch/ZVector/MathFunctions.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Eigen/src/Core/arch/ZVector/MathFunctions.h b/Eigen/src/Core/arch/ZVector/MathFunctions.h index 5c7aa7256..234d82be7 100644 --- a/Eigen/src/Core/arch/ZVector/MathFunctions.h +++ b/Eigen/src/Core/arch/ZVector/MathFunctions.h @@ -96,37 +96,48 @@ template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4f pexp<Packet4f>(const Packet4f& x) { Packet4f res; +#if !defined(__ARCH__) || (defined(__ARCH__) && __ARCH__ >= 12) + res = pexp<Packet4f>(x); +#else res.v4f[0] = pexp<Packet2d>(x.v4f[0]); res.v4f[1] = pexp<Packet2d>(x.v4f[1]); +#endif return res; } template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet2d psqrt<Packet2d>(const Packet2d& x) { - return __builtin_s390_vfsqdb(x); + return vec_sqrt(x); } template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4f psqrt<Packet4f>(const Packet4f& x) { Packet4f res; +#if !defined(__ARCH__) || (defined(__ARCH__) && __ARCH__ >= 12) + res = vec_sqrt(x); +#else res.v4f[0] = psqrt<Packet2d>(x.v4f[0]); res.v4f[1] = psqrt<Packet2d>(x.v4f[1]); +#endif return res; } template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet2d prsqrt<Packet2d>(const Packet2d& x) { - // Unfortunately we can't use the much faster mm_rqsrt_pd since it only provides an approximation. return pset1<Packet2d>(1.0) / psqrt<Packet2d>(x); } template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4f prsqrt<Packet4f>(const Packet4f& x) { Packet4f res; +#if !defined(__ARCH__) || (defined(__ARCH__) && __ARCH__ >= 12) + res = pset1<Packet4f>(1.0) / psqrt<Packet4f>(x); +#else res.v4f[0] = prsqrt<Packet2d>(x.v4f[0]); res.v4f[1] = prsqrt<Packet2d>(x.v4f[1]); +#endif return res; } |