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Changes imported from Abseil "staging" branch:

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- aba727a5943a014392e3873349cee9dd5efc634e Avoid using 128-bit intrinsics for Clang on Windows. by Abseil Team <absl-team@google.com>
  - cdd19f1eda562af8906bff8feff827eb8e8e9797 Utilize the rtems TID infrastructure on myriad2 platforms. by Abseil Team <absl-team@google.com>
  - 52f7f55daa84ea25fa210d1b9d2bd64d128e1d81 Use intrinsic 128 bit integer when available for division... by Alex Strelnikov <strel@google.com>
  - 51f881b1152c0c861cf7fcac53f30d3c7ce12902 Merge GitHub #95: Fix compiler version check for clang-cl... by Derek Mauro <dmauro@google.com>

GitOrigin-RevId: aba727a5943a014392e3873349cee9dd5efc634e
Change-Id: I9b52d84095537acbbc96d3f74917f78da9a51156
This commit is contained in:
Abseil Team 2018-03-06 12:30:19 -08:00 • committed by Shaindel Schwartz
parent 5337d2d0e3
commit 94f0f79ecd
3 changed files with 35 additions and 7 deletions
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10
absl/numeric/int128.cc
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@ -130,16 +130,26 @@ uint128::uint128(double v) : uint128(MakeUint128FromFloat(v)) {}
uint128::uint128(long double v) : uint128(MakeUint128FromFloat(v)) {}
uint128 operator/(uint128 lhs, uint128 rhs) {
#if defined(ABSL_HAVE_INTRINSIC_INT128)
return static_cast<unsigned __int128>(lhs) /
static_cast<unsigned __int128>(rhs);
#else // ABSL_HAVE_INTRINSIC_INT128
uint128 quotient = 0;
uint128 remainder = 0;
DivModImpl(lhs, rhs, &quotient, &remainder);
return quotient;
#endif // ABSL_HAVE_INTRINSIC_INT128
}
uint128 operator%(uint128 lhs, uint128 rhs) {
#if defined(ABSL_HAVE_INTRINSIC_INT128)
return static_cast<unsigned __int128>(lhs) %
static_cast<unsigned __int128>(rhs);
#else // ABSL_HAVE_INTRINSIC_INT128
uint128 quotient = 0;
uint128 remainder = 0;
DivModImpl(lhs, rhs, &quotient, &remainder);
return remainder;
#endif // ABSL_HAVE_INTRINSIC_INT128
}
namespace {