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common: Make arith_uint256 trivially copyable

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Replacing the custom code with default behavior should not result in a change of behavior since base_uint contains a simple array of uint32_t and compiler generated versions of the code could be better optimized.

Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
This commit is contained in:
Fabian Jahr 2025-09-07 18:26:00 +02:00
parent 2562fe1b2b
commit 653a9849d5
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GPG Key ID: F13D1E9D890798CD
1 changed files with 5 additions and 14 deletions
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19
src/arith_uint256.h
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@ -37,20 +37,8 @@ public:
pn[i] = 0;
}
base_uint(const base_uint& b)
{
for (int i = 0; i < WIDTH; i++)
pn[i] = b.pn[i];
}
base_uint& operator=(const base_uint& b)
{
if (this != &b) {
for (int i = 0; i < WIDTH; i++)
pn[i] = b.pn[i];
}
return *this;
}
base_uint(const base_uint& b) = default;
base_uint& operator=(const base_uint& b) = default;
base_uint(uint64_t b)
{
@ -272,6 +260,9 @@ public:
friend arith_uint256 UintToArith256(const uint256 &);
};
// Keeping the trivially copyable property is beneficial for performance
static_assert(std::is_trivially_copyable_v<arith_uint256>);
uint256 ArithToUint256(const arith_uint256 &);
arith_uint256 UintToArith256(const uint256 &);