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Update phmap_bits.h

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greg
2019-07-31 12:35:20 -04:00
parent d7db8bf5c7
commit bccf9254d4
1 changed files with 5 additions and 2 deletions
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parallel_hashmap/phmap_bits.h
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+5 -2
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@@ -337,13 +337,16 @@ PHMAP_BASE_INTERNAL_FORCEINLINE int CountTrailingZerosNonZero32(uint32_t n) {
#endif
#ifdef PHMAP_HAVE_INTRINSIC_INT128
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
inline uint64_t umul128(uint64_t a, uint64_t b, uint64_t* high)
{
auto result = static_cast<unsigned __extension__ __int128>(a) *
static_cast<unsigned __extension__ __int128>(b);
auto result = static_cast<unsigned __int128>(a) *
static_cast<unsigned __int128>(b);
*high = static_cast<uint64_t>(result >> 64);
return static_cast<uint64_t>(result);
}
#pragma GCC diagnostic pop
#define PHMAP_HAS_UMUL128 1
#elif (defined(_MSC_VER))
#if defined(_M_X64)