diff options
Diffstat (limited to 'src/leveldb/util/crc32c.cc')
| -rw-r--r-- | src/leveldb/util/crc32c.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/leveldb/util/crc32c.cc b/src/leveldb/util/crc32c.cc index edd61cfd6f..b3f40eeeed 100644 --- a/src/leveldb/util/crc32c.cc +++ b/src/leveldb/util/crc32c.cc @@ -288,6 +288,10 @@ static inline uint32_t LE_LOAD32(const uint8_t *p) { // Determine if the CPU running this program can accelerate the CRC32C // calculation. static bool CanAccelerateCRC32C() { + if (!port::HasAcceleratedCRC32C()) + return false; + + // Double-check that the accelerated implementation functions correctly. // port::AcceleretedCRC32C returns zero when unable to accelerate. static const char kTestCRCBuffer[] = "TestCRCBuffer"; static const char kBufSize = sizeof(kTestCRCBuffer) - 1; |