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Remove stale notes.

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This commit is contained in:
Thomas Harte 2023-10-25 22:22:20 -04:00
parent de230fb6be
commit 6ac66dad0c
1 changed files with 0 additions and 13 deletions
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13
Numeric/Carry.hpp
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@ -50,13 +50,6 @@ template <int bit, typename IntT> bool carried_in(IntT lhs, IntT rhs, IntT resul
return IntT(1 << bit) & (lhs ^ rhs ^ result);
}
//
// BEGIN TEMPORARY COPY AND PASTE SECTION.
//
// The following are largely excised from the M68k PerformImplementation.hpp; if there proves to be no
// reason further to specialise them, there'll be a factoring out. In some cases I've tightened the documentation.
//
/// @returns An int of type @c IntT with only the most-significant bit set.
template <typename IntT> constexpr IntT top_bit() {
static_assert(!std::numeric_limits<IntT>::is_signed);
@ -84,12 +77,6 @@ IntT overflow(IntT lhs, IntT rhs, IntT result) {
return top_bit<IntT>() & output_changed & input_differed;
}
}
// NOTE TO FUTURE SELF: the original 68k `overflow` treats lhs and rhs the other way
// around, affecting subtractive overflow. Be careful.
//
// END COPY AND PASTE SECTION.
//
}