7.2d

Changes

• Fix AO_compare_double_and_swap_double_full for gcc-4.2.1/x86 in PIC mode
• Fix AO_compiler_barrier missing parentheses
• Fix missing 'unsigned' for generalized AO_char/short_fetch_and_add result

Distribution Tarball

libatomic_ops-7.2d.tar.gz

7.2

Changes

• Add atomic_ops.pc.in and atomic_ops-uninstalled.pc.in to pkgconfig folder
• Define and use AO_PTRDIFF_T in tests for casts between pointer and integer
• Fix AO_compare_and_swap return type for s390 and PowerPC
• Fix AO_compare_double_and_swap_double_full for gcc/x86 (PIC mode)
• Fix AO_stack_push_release to workaround bug in clang-1.1/x86 compiler
• Fix AO_test_and_setXX in tests/list_atomic.template
• Fix AO_test_and_set_full (gcc/x86[_64].h) to work-around a bug in LLVM v2.7
• Fix AO_test_and_set_full on m68k
• Fix ARM_ARCH_5 macro handling for Android NDK (ARMv7)
• Fix configure for Cygwin, mingw-w64/32
• Fix configure to define PIC macro explicitly if needed (GCC)
• Fix double_ptr_storage definition for GCC pre-v4 (x86_64)
• Fix for x32 by removing 'q' suffix in x86-64 instructions
• Fix generalization for IA-64 (regarding AO_or, AO_..._read/write primitives)
• Fix generalized AO__fetch_and_add() return type
• Fix test_atomic_include for the case of missing CAS primitive
• Fix test_malloc - allocate less memory in case of missing mmap
• Implement the basic atomic primitives for the hexagon CPU

Distribution Tarball

libatomic_ops-7.2.tar.gz

7.3-alpha2

Changes

• Add '-no-undefined' to LDFLAGS in src/Makefile.am
• Add AO_and, AO_xor atomic operations
• Add AO_fetch_compare_and_swap primitives
• Add and fill in AUTHORS, TODO files
• Add autogen.sh file
• Adjust AO_..._H macros in public headers
• Code refactoring of gcc/arm.h by introducing AO_ARM_HAVE_x macros
• Define AO macros for libatomic_ops version identification
• Do not define NDEBUG if '--enable-assertions' passed to configure
• Eliminate compiler warnings in various functions and macros
• Generalize AO_compare_and_swap primitives via AO_fetch_compare_and_swap
• Generalize acquire/release/full CAS primitives for MIPS
• Implement fetch_and_add, test_and_set primitives for MIPS
• Improve Makefile for MS VC++; pass '-W3' option to MS compiler
• Include ao_t_is_int.h from atomic_ops.h after first generalization pass
• Merge all Makefile.am files in src tree
• Minor code refactoring of atomic_ops.c, generic_pthread.h
• Minor configure build improvements (e.g., ensure proper autoconf version)
• Place only major per-release changes description to ChangeLog (this file)
• Recognize AO_PREFER_GENERALIZED macro to favor generalization over assembly
• Remove all auto-generated files except for generalize-small.h from the repo
• Remove duplicate doc/COPYING and empty NEWS files
• Replace atomic_ops_malloc static mmap-related empty functions with macros
• Replace pointer relational comparisons with non-pointer ones
• Require autoconf 2.61 instead of v2.64
• Show extra compiler warnings (GCC only)
• Turn off AO primitives inlining if AO_NO_INLINE defined
• Use __builtin_expect in CAS failure loop condition checks (GCC only)
  Also, includes 7.2 changes

Distribution Tarball

libatomic_ops-7.3alpha2.tar.gz

1.2

Changes

• Add prototypes to suppress compiler warnings
• Add simple VxWorks support
• Fix InterlockedCompareExchange proto usage
• Fix typos (ia64)
• Include all_acquire_release_volatile.h and all_atomic_load_store.h (ia64)
• Initial support for 64-bit targets
• Use "=q" for AO_test_and_set_full (x86)
• Use inline assembler to generate "mfence" and byte sized XCHG
• Use new intrinsics available in MSVC 2003 and MSVC 2005

Distribution Tarball

libatomic_ops-1.2.tar.gz

1.1

Changes

• Add and use read_ordered.h
• Change function naming from "byte" to "char"
• Fix AO_test_and_set for ARM; define AO_CAN_EMUL_CAS

Distribution Tarball

libatomic_ops-1.1.tar.gz

7.1

Changes

• Add test_and_set, AO_double_compare_and_swap generalizations
• Conditionally add compare_double_and_swap_double (x86)
• Conditionally add compare_double_and_swap_double (x86)
• Fix AO_compare_double_and_swap_double_full (x86) for PIC mode
• Fix AO_load_acquire for PowerPC
• Fix double-width CAS (x86)
• Refine README (add more warnings about data dependencies)
• Refine double_ptr_storage type definition
• Support ARMv6+ in GCC
• Support ArmCC compiler
• Use _InterlockedExchangeAdd for MS VC (x86)

7.0

Changes

• Add 64-bit version of AO_load_acquire for PowerPC (by Luca Barbato)
• Add support of x86 and x86_64 for MS VC
• Do not assume that "mfence" is always present (x86.h)
• Fix ARM AO_test_and_set_full
• Include windows.h (MS VC)
• Update README to reflect C++0x effort

7.2-alpha6

Changes

• Add missing AO_HAVE_ macros
• Add support of avr32 CPU
• Better support of various models of ARM
• Disable AO_compare_double_and_swap_double_full for SunCC x86 as not working
• Enable ARM Thumb-2 mode
• Fix AO_test_and_set_full for SunCC (x86)
• Fix bugs in tests
• Fix clobbers in AO_compare_and_swap_full (x86.h)
• Fix typos in identifiers and comments
• Improve AO_sync for PowerPC
• Improve make scripts (configure.ac)
• Make get_mmaped() in atomic_ops_malloc.c more portable
• Support Intel compiler
• Support NaCl target
• Suppress compiler warnings in various places
• Test more predefined macros (ARM, PowerPC)
• Use assembly code only for MS VC if available (x86_64)
• Use built-in __sync_bool_compare_and_swap if available (x86_64)
• Workaround bugs in LLVM GCC and SunCC regarding XCHG (x86, x86_64)

Distribution Tarball

libatomic_ops-7.2alpha6.tar.gz

7.2-alpha4

Changes

• Fix typos in comments, identifiers and documentation
• Implement AO_compare_and_swap_full for SPARC
• Refine ARM-specific code
• Refine code and comments for MS VC
• Regenerate make scripts
• Share common code for all 32-bit CPUs (MS VC)
• Support DigitalMars and Watcom compilers
• Support MS VC for ARM (WinCE)
• Support SH CPU
• Support win32-pthreads
• Support x86 and x86_64 for SunCC compiler

1.0

Changes

• Add atomic_ops primitives for different sized data
• Add compare_double_and_swap_double and compare_and_swap_double
• Add gcc/cris.h (originally comes from Hans-Peter Nilsson)
• Add gcc/m68k.h (contributed by Tony Mantler)
• Add gcc/powerpc.h (with help of Maged Michael, Doug Lea, Roger Hoover)
• Add initial support for atomic_ops for VC++/Windows/X86 and HP/UX
• Add minimal support for the Sun SPARC compiler
• Add support for platforms that require out-of-line assembly code
• Add support of int-wide operations on platforms with int-sized pointers
• Added libatomic_ops_gpl library with support for lock-free stack and malloc
• Change atomic_ops include file structure
• Change most platforms to use byte-wide test-and-set locations
• Define AO_CLEAR, __ldcw[_align] macros in gcc/hppa.h (by Carlos O'Donell)
• Fix various bugs
• Install under "atomic_ops" instead of "ao"
• Remove compiler_barrier workaround for gcc 3.4+
• Renamed various types to end in _t
• Replace AO_HAVE_NOP_FULL with AO_HAVE_nop_full (by Ranko Zivojnovic)
• Use autoconf, automake

Distribution Tarball

libatomic_ops-1.0.tar.gz