mirror of https://github.com/PentHertz/srsLTE.git
add precompiler guards to restrict builtin use to gcc and clang
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@ -89,6 +89,7 @@ struct zerobit_counter {
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}
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};
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#ifdef __GNUC__ // clang and gcc
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/// Specializations for unsigned
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template <typename Integer>
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struct zerobit_counter<Integer, sizeof(unsigned)> {
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@ -101,7 +102,9 @@ struct zerobit_counter<Integer, sizeof(unsigned)> {
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return (value) ? __builtin_ctz(value) : std::numeric_limits<Integer>::digits;
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}
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};
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#endif
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#ifdef __GNUC__ // clang and gcc
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/// Specializations for unsigned long
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template <typename Integer>
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struct zerobit_counter<Integer, sizeof(unsigned long)> {
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@ -114,6 +117,7 @@ struct zerobit_counter<Integer, sizeof(unsigned long)> {
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return (value) ? __builtin_ctzl(value) : std::numeric_limits<Integer>::digits;
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}
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};
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#endif
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} // namespace detail
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