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Use _M_AMD64 instead of legacy _M_X64

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Victor Zverovich
2026-01-06 12:46:02 -08:00
parent 04864b1111
commit 0e078f6ed0
1 changed files with 3 additions and 3 deletions
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6
include/fmt/format.h
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@@ -403,7 +403,7 @@ class uint128_fallback {
auto carry = __builtin_ia32_addcarryx_u64(0, lo_, n, &result);
lo_ = result;
hi_ += carry;
#elif defined(_MSC_VER) && defined(_M_X64)
#elif defined(_MSC_VER) && defined(_M_AMD64)
auto carry = _addcarry_u64(0, lo_, n, &lo_);
_addcarry_u64(carry, hi_, 0, &hi_);
#else
@@ -1425,7 +1425,7 @@ FMT_INLINE auto umul128(uint64_t x, uint64_t y) noexcept -> uint128_fallback {
#if FMT_USE_INT128
auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
return {static_cast<uint64_t>(p >> 64), static_cast<uint64_t>(p)};
#elif defined(_MSC_VER) && defined(_M_X64)
#elif defined(_MSC_VER) && defined(_M_AMD64)
auto hi = uint64_t();
auto lo = _umul128(x, y, &hi);
return {hi, lo};
@@ -1468,7 +1468,7 @@ inline auto umul128_upper64(uint64_t x, uint64_t y) noexcept -> uint64_t {
#if FMT_USE_INT128
auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
return static_cast<uint64_t>(p >> 64);
#elif defined(_MSC_VER) && defined(_M_X64)
#elif defined(_MSC_VER) && defined(_M_AMD64)
return __umulh(x, y);
#else
return umul128(x, y).high();