diff options
Diffstat (limited to 'mysys/crc32ieee.cc')
| -rw-r--r-- | mysys/crc32ieee.cc | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/mysys/crc32ieee.cc b/mysys/crc32ieee.cc index 14e8017d..c11bdacf 100644 --- a/mysys/crc32ieee.cc +++ b/mysys/crc32ieee.cc @@ -26,23 +26,22 @@ static unsigned int my_crc32_zlib(unsigned int crc, const void *data, return (unsigned int) crc32(crc, (const Bytef *)data, (unsigned int) len); } -#ifdef HAVE_PCLMUL -extern "C" int crc32_pclmul_enabled(); -extern "C" unsigned int crc32_pclmul(unsigned int, const void *, size_t); -#elif defined(__GNUC__) && defined(HAVE_ARMV8_CRC) +typedef unsigned int (*my_crc32_t)(unsigned int, const void *, size_t); + +#if defined _M_IX86 || defined _M_X64 || defined __i386__ || defined __x86_64__ +extern "C" my_crc32_t crc32_pclmul_enabled(); +#elif defined HAVE_ARMV8_CRC extern "C" int crc32_aarch64_available(); extern "C" unsigned int crc32_aarch64(unsigned int, const void *, size_t); #endif -typedef unsigned int (*my_crc32_t)(unsigned int, const void *, size_t); - static my_crc32_t init_crc32() { -#ifdef HAVE_PCLMUL - if (crc32_pclmul_enabled()) - return crc32_pclmul; -#elif defined(__GNUC__) && defined(HAVE_ARMV8_CRC) +#if defined _M_IX86 || defined _M_X64 || defined __i386__ || defined __x86_64__ + if (my_crc32_t crc= crc32_pclmul_enabled()) + return crc; +#elif defined HAVE_ARMV8_CRC if (crc32_aarch64_available()) return crc32_aarch64; #endif |