libatomic_ops 7.4.6/7.6.0

[Armin K]

​https://github.com/ivmai/libatomic_ops/wiki/Download

Two newer versions, original upstream (not yet available on hboehm.info). It's up to you which version to include (see notes below download links).

[bdubbs@…]

Version 7.4.6 is labelled stable. Using that version.

Changes:

• Add assertion that double-wide CAS target is aligned (msftc/x86[_64])
• Add configure --enable-gcov option (enable code coverage analysis)
• Code refactoring of gcc/powerpc.h to avoid code duplication
• Eliminate 'cast to long from void*' compiler warning in test_atomic
• Eliminate 'implicit declaration of close' warning in 'strict ANSI' mode
• Eliminate 'missing braces around initializer' gcc warning (hppa)
• Eliminate 'printf format specifies type void*' GCC pedantic warnings
• Eliminate 'value shift followed by expansion' false code defect warning
• Enable limited testing in Makefile.msft without Cygwin
• Fix (delete) comment for AO_and_full (x86)
• Fix block_all_signals compilation in 'strict ANSI' mode
• Fix missing .exe for test filenames in Makefile (MinGW)
• Fix missing printed value names (test_stack)
• Implement fetch-CAS for s390[x] (gcc)
• Move libraries version info to the beginning of Makefile.am
• Refine documentation in Makefile.msft how to run all tests (MS VC)
• Refine README about library downloading
• Rename doc/README.txt to doc/README_details.txt
• Support AIX/ppc (gcc)
• Support CFLAGS_EXTRA to pass extra user-defined compiler flags (make)
• Support n32 ABI for mips64
• Update shared libraries version info for 7.4.6+ (to 1:4:0)
• Use 'inline code' format for commands in README.md
• Use LLD and SCD instructions on mips64
• Workaround 'resource leak' false positives in AO_malloc, add_elements
• Workaround 'uninitialized memory use' MemorySanitizer warning (test_atomic)
• Also, includes 7.2h changes

[bdubbs@…]

Fixed at revision 18774.