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util: fix consteval CountTrailingZeroes impl
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1 changed files with 3 additions and 0 deletions
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@ -195,6 +195,7 @@ namespace ams::util {
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}
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static_assert(CountLeadingZeros(~static_cast<u64>(0)) == 0);
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static_assert(CountLeadingZeros(static_cast<u64>(1) << 5) == BITSIZEOF(u64) - 1 - 5);
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static_assert(CountLeadingZeros(static_cast<u64>(0)) == BITSIZEOF(u64));
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template<typename T> requires std::integral<T>
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@ -202,6 +203,7 @@ namespace ams::util {
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if (std::is_constant_evaluated()) {
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auto count = 0;
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for (size_t i = 0; i < BITSIZEOF(T) && (x & 1) == 0; ++i) {
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x >>= 1;
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++count;
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}
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return count;
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@ -226,6 +228,7 @@ namespace ams::util {
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}
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static_assert(CountTrailingZeros(~static_cast<u64>(0)) == 0);
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static_assert(CountTrailingZeros(static_cast<u64>(1) << 5) == 5);
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static_assert(CountTrailingZeros(static_cast<u64>(0)) == BITSIZEOF(u64));
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template<typename T> requires std::integral<T>
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