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authorGravatar Tom Tan <Tom.Tan@microsoft.com>2019-01-02 17:55:33 -0800
committerGravatar Tom Tan <Tom.Tan@microsoft.com>2019-01-02 17:55:33 -0800
commitaca0473d962693c42885aeb09f382fe5f37138de (patch)
tree947220571e939237c61e128c61f380e97844e667
parent7ffbe09f3d85504bd018783bbe1e2c12992fe47c (diff)
_umul128 is not available on Windows ARM64
-rw-r--r--absl/numeric/int128.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/absl/numeric/int128.h b/absl/numeric/int128.h
index 9c36c571..3e7d2d9f 100644
--- a/absl/numeric/int128.h
+++ b/absl/numeric/int128.h
@@ -43,10 +43,10 @@
// builtin type. We need to make sure not to define operator wchar_t()
// alongside operator unsigned short() in these instances.
#define ABSL_INTERNAL_WCHAR_T __wchar_t
-#if defined(_WIN64)
+#if defined(_M_X64)
#include <intrin.h>
#pragma intrinsic(_umul128)
-#endif // defined(_WIN64)
+#endif // defined(_M_X64)
#else // defined(_MSC_VER)
#define ABSL_INTERNAL_WCHAR_T wchar_t
#endif // defined(_MSC_VER)
@@ -675,7 +675,7 @@ inline uint128 operator*(uint128 lhs, uint128 rhs) {
// can be used for uint128 storage.
return static_cast<unsigned __int128>(lhs) *
static_cast<unsigned __int128>(rhs);
-#elif defined(_MSC_VER) && defined(_WIN64)
+#elif defined(_MSC_VER) && defined(_M_X64)
uint64_t carry;
uint64_t low = _umul128(Uint128Low64(lhs), Uint128Low64(rhs), &carry);
return MakeUint128(Uint128Low64(lhs) * Uint128High64(rhs) +