--- a/src/lib/openjp2/ht_dec.c +++ b/src/lib/openjp2/ht_dec.c @@ -69,7 +69,7 @@ static OPJ_BOOL only_cleanup_pass_is_decoded = OPJ_FALSE; static INLINE OPJ_UINT32 population_count(OPJ_UINT32 val) { -#ifdef OPJ_COMPILER_MSVC +#if defined(OPJ_COMPILER_MSVC) && (defined(_M_IX86) || defined(_M_AMD64)) return (OPJ_UINT32)__popcnt(val); #elif (defined OPJ_COMPILER_GNUC) return (OPJ_UINT32)__builtin_popcount(val);