diff options
Diffstat (limited to 'util/crc32c.cc')
| -rw-r--r-- | util/crc32c.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/util/crc32c.cc b/util/crc32c.cc index a709e9b1c..959658099 100644 --- a/util/crc32c.cc +++ b/util/crc32c.cc @@ -41,6 +41,10 @@ #endif +#if defined(__linux__) && defined(HAVE_ARM64_CRC) +bool pmull_runtime_flag = false; +#endif + namespace ROCKSDB_NAMESPACE { namespace crc32c { @@ -494,6 +498,7 @@ std::string IsFastCrc32Supported() { if (crc32c_runtime_check()) { has_fast_crc = true; arch = "Arm64"; + pmull_runtime_flag = crc32c_pmull_runtime_check(); } else { has_fast_crc = false; arch = "Arm64"; @@ -1224,6 +1229,7 @@ static inline Function Choose_Extend() { return isAltiVec() ? ExtendPPCImpl : ExtendImpl<Slow_CRC32>; #elif defined(__linux__) && defined(HAVE_ARM64_CRC) if(crc32c_runtime_check()) { + pmull_runtime_flag = crc32c_pmull_runtime_check(); return ExtendARMImpl; } else { return ExtendImpl<Slow_CRC32>; |