diff options
Diffstat (limited to 'research/deorummolae.cc')
| -rw-r--r-- | research/deorummolae.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/research/deorummolae.cc b/research/deorummolae.cc index f12acd1..23ac1aa 100644 --- a/research/deorummolae.cc +++ b/research/deorummolae.cc @@ -5,6 +5,10 @@ #include "third_party/esaxx/sais.hxx" +#if defined(_MSC_VER) +#include <intrin.h> /* __popcnt64 */ +#endif + /* Used for quick SA-entry to file mapping. Each file is padded to size that is a multiple of chunk size. */ #define CHUNK_SIZE 64 @@ -30,7 +34,11 @@ typedef uint32_t TextIdx; typedef int32_t TextSaIdx; static size_t popcount(uint64_t u) { +#if defined(_MSC_VER) + return static_cast<size_t>(__popcnt64(u)); +#else return static_cast<size_t>(__builtin_popcountll(u)); +#endif } /* Condense terminators and pad file entries. */ |