[Bug 1982583] [NEW] zlib CRC32 optimization for s390x works only in a static library

[Ilya Leoshkevich]

Public bug reported:

I've discovered two issues in lp1932010-ibm-z-add-vectorized-
crc32-implementation.patch:

1) s390_crc32_vx() signature mismatch, resulting in a warning.
2) -DS390_CRC32_VX is not added to SFLAGS, resulting in vectorization being enabled only in the static library.

I've attached the updated patch.

** Affects: zlib (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "lp1932010-ibm-z-add-vectorized-crc32-implementation.patch"
   https://bugs.launchpad.net/bugs/1982583/+attachment/5604757/+files/lp1932010-ibm-z-add-vectorized-crc32-implementation.patch

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https://bugs.launchpad.net/bugs/1982583

Title:
  zlib CRC32 optimization for s390x works only in a static library

Status in zlib package in Ubuntu:
  New

Bug description:
  I've discovered two issues in lp1932010-ibm-z-add-vectorized-
  crc32-implementation.patch:

  1) s390_crc32_vx() signature mismatch, resulting in a warning.
  2) -DS390_CRC32_VX is not added to SFLAGS, resulting in vectorization being enabled only in the static library.

  I've attached the updated patch.

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