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Msvc muluh

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This commit is contained in:
Charles Schlosser 2024-05-07 16:30:58 +00:00
parent 8e47971789
commit 99c18bce6e
1 changed files with 2 additions and 0 deletions
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unsupported/Eigen/CXX11/src/Tensor/TensorIntDiv.h
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@ -101,6 +101,8 @@ EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE uint64_t muluh(const uint64_t a, const T b
return __umul64hi(a, b);
#elif defined(SYCL_DEVICE_ONLY)
return cl::sycl::mul_hi(a, static_cast<uint64_t>(b));
#elif EIGEN_COMP_MSVC && (EIGEN_ARCH_x86_64 || EIGEN_ARCH_ARM64)
return __umulh(a, static_cast<uint64_t>(b));
#elif EIGEN_HAS_BUILTIN_INT128
__uint128_t v = static_cast<__uint128_t>(a) * static_cast<__uint128_t>(b);
return static_cast<uint64_t>(v >> 64);