ICODE-ADC/lammps
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import fix from upstream

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This commit is contained in:
Axel Kohlmeyer
2022-08-08 15:40:19 -04:00
parent f7b0cb3bd4
commit 7e0cad7d9e
1 changed files with 2 additions and 3 deletions
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5
src/fmt/format.h
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@ -389,12 +389,11 @@ class uint128_fallback {
hi_ += (lo_ < n ? 1 : 0);
return *this;
}
// LAMMPS customization: XLCClang does not support __builtin_addcll()
#if FMT_HAS_BUILTIN(__builtin_addcll) && !(defined(__xlc__) && defined(__clang__))
#if FMT_HAS_BUILTIN(__builtin_addcll) && !defined(__ibmxl__)
unsigned long long carry;
lo_ = __builtin_addcll(lo_, n, 0, &carry);
hi_ += carry;
#elif FMT_HAS_BUILTIN(__builtin_ia32_addcarryx_u64)
#elif FMT_HAS_BUILTIN(__builtin_ia32_addcarryx_u64) && !defined(__ibmxl__)
unsigned long long result;
auto carry = __builtin_ia32_addcarryx_u64(0, lo_, n, &result);
lo_ = result;