diff options
Diffstat (limited to 'src/crc32c/src/crc32c_arm64.cc')
| -rw-r--r-- | src/crc32c/src/crc32c_arm64.cc | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/src/crc32c/src/crc32c_arm64.cc b/src/crc32c/src/crc32c_arm64.cc index b872245f95..1da04ed34a 100644 --- a/src/crc32c/src/crc32c_arm64.cc +++ b/src/crc32c/src/crc32c_arm64.cc @@ -64,7 +64,7 @@ namespace crc32c { -uint32_t ExtendArm64(uint32_t crc, const uint8_t *buf, size_t size) { +uint32_t ExtendArm64(uint32_t crc, const uint8_t *data, size_t size) { int64_t length = size; uint32_t crc0, crc1, crc2, crc3; uint64_t t0, t1, t2; @@ -74,7 +74,6 @@ uint32_t ExtendArm64(uint32_t crc, const uint8_t *buf, size_t size) { const poly64_t k0 = 0x8d96551c, k1 = 0xbd6f81f8, k2 = 0xdcb17aa4; crc = crc ^ kCRC32Xor; - const uint8_t *p = reinterpret_cast<const uint8_t *>(buf); while (length >= KBYTES) { crc0 = crc; @@ -83,14 +82,14 @@ uint32_t ExtendArm64(uint32_t crc, const uint8_t *buf, size_t size) { crc3 = 0; // Process 1024 bytes in parallel. - CRC32C1024BYTES(p); + CRC32C1024BYTES(data); // Merge the 4 partial CRC32C values. t2 = (uint64_t)vmull_p64(crc2, k2); t1 = (uint64_t)vmull_p64(crc1, k1); t0 = (uint64_t)vmull_p64(crc0, k0); - crc = __crc32cd(crc3, *(uint64_t *)p); - p += sizeof(uint64_t); + crc = __crc32cd(crc3, *(uint64_t *)data); + data += sizeof(uint64_t); crc ^= __crc32cd(0, t2); crc ^= __crc32cd(0, t1); crc ^= __crc32cd(0, t0); @@ -99,23 +98,23 @@ uint32_t ExtendArm64(uint32_t crc, const uint8_t *buf, size_t size) { } while (length >= 8) { - crc = __crc32cd(crc, *(uint64_t *)p); - p += 8; + crc = __crc32cd(crc, *(uint64_t *)data); + data += 8; length -= 8; } if (length & 4) { - crc = __crc32cw(crc, *(uint32_t *)p); - p += 4; + crc = __crc32cw(crc, *(uint32_t *)data); + data += 4; } if (length & 2) { - crc = __crc32ch(crc, *(uint16_t *)p); - p += 2; + crc = __crc32ch(crc, *(uint16_t *)data); + data += 2; } if (length & 1) { - crc = __crc32cb(crc, *p); + crc = __crc32cb(crc, *data); } return crc ^ kCRC32Xor; |