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Remove __has_builtin check which doesn't work for gcc-9

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This commit is contained in:
Marcus Holland-Moritz 2020-12-08 00:15:07 +01:00
parent e947f47b9a
commit 7a75c29674
1 changed files with 2 additions and 8 deletions
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10
src/dwarfs/nilsimsa.cpp
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@ -56,20 +56,14 @@ uint8_t tran3(uint8_t a, uint8_t b, uint8_t c, uint8_t n) {
return ((TT53[(a + n) & 0xFF] ^ TT53[b] * (n + n + 1)) + TT53[c ^ TT53[n]]);
}
// TODO: this will currently only work for gcc/clang,
// but should be easy to port
#if defined(__has_builtin)
#if __has_builtin(__builtin_popcountl)
// TODO: this will currently only work for gcc/clang, but should be easy to port
__attribute__((__unused__)) int popcount(unsigned long x) {
return __builtin_popcountl(x);
}
#endif
#if __has_builtin(__builtin_popcountll)
__attribute__((__unused__)) int popcount(unsigned long long x) {
return __builtin_popcountll(x);
}
#endif
#endif
} // namespace