1 1.1 christos IBM Z mainframes starting from version z13 provide vector instructions, which 2 1.1 christos allows vectorization of crc32. This extension is build by default when targeting 3 1.1 christos ibm s390x. However this extension can disabled if desired: 4 1.1 christos 5 1.1 christos # for configure build 6 1.1 christos $ ./configure --disable-crcvx 7 1.1 christos 8 1.1 christos # for cmake build 9 1.1 christos $ cmake .. -DZLIB_CRC32VX=off 10
Indexes created Sun Oct 25 00:26:45 UTC 2026