> However, I'm not quite sure why does > > ++#ifdef S390_CRC32_VX > ++ if (getauxval(AT_HWCAP) & HWCAP_S390_VX) > ++ return s390_crc32_vx; > ++#endif > > work. For me getauxval() causes a segfault when called from an ifunc, > that's why I have to use the s390-specific ifunc's hwcap parameter.
Perhaps a bug in your compiler version? In any case, I believe we can consider the current patch as working as intended, despite this mystery. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to zlib in Ubuntu. https://bugs.launchpad.net/bugs/1932010 Title: [21.10 FEAT] zlib CRC32 optimization for s390x Status in Ubuntu on IBM z Systems: In Progress Status in zlib package in Ubuntu: In Progress Bug description: Use SIMD instructions to accelerate the zlib CRC32 implementation. Business value: Performance improvement in database area The zlib CRC32 optimization for IBM Z is currently being discussed for inclusion into zlib-ng: https://github.com/zlib-ng/zlib-ng/pull/912 The patch for zlib will be based on that. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1932010/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
