== [7.6.12] 2021-09-13 == * Allow to generalize bool-CAS for sparc (gcc) * Declare argument of AO_load_next with const in atomic_ops_stack * Describe double_compare_and_swap operation in README_details * Document CAS operations better in README_details * Fix gcc/sunc x86 AO_compare_double_and_swap_double missing side effect * Fix library name in README_details * Fix link fail caused by missing GCC char/short atomic primitives on riscv64 * Fix size of local variable passed to cas[x] (gcc/sparc) * Implement fetch-CAS for sparc (gcc) * Refactor gcc x86 memory constraints * Refine and reformat description of size prefix in README_details * Remove outdated notes in README_details * Replace x86 setz instruction by asm flag output operand (gcc) * Support MSYS host (configure) * Turn off compare_double_and_swap_double_full PIC hack for GCC 5+ (x86) * Update README_win32 to match Makefile.msft * Use GCC atomic intrinsics for s390x (clang 8.0+ and gcc 5.4+) * Use __alignof__ instead of sizeof in atomic variable alignment assertions * Workaround assertion violation in AO_load/store on m68k == [7.6.10] 2019-03-01 == * Eliminate 'my_chunk_ptr-AO_initial_heap out of bounds' cppcheck warning * Fix 'AO_*_TS_T is not defined' compiler warnings (GCC-8) * Fix 'duplicate symbol' error for test_malloc/stack with static libs (OS X) * Workaround 'argument to function assert is always 1' cppcheck warnings == [7.6.8] 2018-12-11 == * Eliminate 'casting signed to bigger unsigned int' CSA warning (test_stack) * Eliminate 'redundant blank line at start/end of block' CodeFactor warning * Fix 'Cannot implement CAS_full on this architecture' build error (nios2) * Fix a typo in arm_v6.h * Support aarch64-ilp32 (GCC) and UWP/arm64 (MS VC) targets * Undefine AO_ARM_HAVE_* private macros after their usage * Use standalone private macro to guard against AO_GCC_BARRIER redefinition * Workaround 'condition my_chunk_ptr is always false' cppcheck false positive == [7.6.6] 2018-08-07 == * COPYING: sync with FSF's gpl-2.0.txt * Fix 'undefined reference to __atomic_load/store/cas_16' error (gcc-7/x64) * Fix a typo in the overview section of README * Fix comments style in configure.ac and Makefile.am * Update copyright information in README and some header files == [7.6.4] 2018-03-27 == * Add RISC-V support * Convert atomic_ops_malloc.c and tests to valid C++ code * Eliminate 'function is never used' cppcheck warning for load_before_cas * Eliminate 'using argument that points at uninitialized var' cppcheck error * Fix 'AO_pt_lock undefined' error if cross-compiling manually (MinGW) * Fix public headers inclusion from clients C++ code * Remove gcc/nios2.h file (include gcc/generic.h directly for nios2) * Support MIPS rel6 == [7.6.2] 2017-12-24 == * Allow to alter DEFAULT/MAX_NTHREADS values in test_malloc/stack * Allow to select almost-non-blocking stack implementation explicitly * Annotate AO_malloc with 'alloc_size' and 'malloc' attributes * Avoid misleading 'AO_t undefined' error if wrong atomic_ops.h included * Define AO_TS_SET to 1 (true) if GCC atomic_test_and_set is used * Disable workaround in stack_pop_acquire that was needed for ancient Clang * Do not define AO_GCC_FORCE_HAVE_CAS for Clang 3.8+ (Aarch64) * Do not disallow to define double_load using built-in atomics (Aarch64) * Do not expose AO_GCC_FORCE_HAVE_CAS macro to client code (GCC) * Do not install documentation if configure --disable-docs (new option) * Do not produce .tar.bz2 distribution file (configure) * Eliminate '-pedantic is not an option that controls warnings' GCC message * Eliminate data race in cons() of test_malloc * Eliminate GCC-5 ASan global-buffer-overflow false positive for AO_stack_bl * Fill in allocated memory with values depending on thread id (test_malloc) * Fix 'bad register name %sil' assembler error (GCC-4.4/x86) * Fix 'unknown attribute no_sanitize' compiler warning for GCC * Fix AO_malloc for sizes near CHUNK_SIZE * Fix memory leak in test_malloc * Fix test failures for Clang-3.8 and older (Aarch64) * Fix test_stack failure if AO_PREFER_BUILTIN_ATOMICS (GCC/Aarch64) * Fix typo in AO_REAL_NEXT_PTR comment * Increase the default number of threads to 16 in test_malloc/stack * Mark unallocated/freed memory as inaccessible using ASan functionality * New macro (DONT_USE_MMAP) to support testing as if mmap() is unavailable * New macro to select stack implementation based on CAS-double * Place no_sanitize attributes in a GCC-compliant way * Prevent too long run of test_atomic_generalized (especially with TSan) * Simplify '#if' expressions in gcc/x86.h (code refactoring) * Test smallest allocation of large type (test_malloc) * Use __builtin_expect in atomic_ops_malloc * Use built-in atomics for load/store/CAS for Clang by default (Aarch64) * Use double-word atomic intrinsics for recent Clang versions (gcc/x86.h) * Use GCC atomic intrinsics for Hexagon (clang 3.9+) * Use generalized double-wide load/store if AO_PREFER_GENERALIZED (Aarch64) * Workaround 'unused result' code defects in atomic_ops.c, list_atomic * Workaround Thread Sanitizer (TSan) false positive warnings Also, includes 7.4.8 changes == [7.6.0] 2017-05-19 == * Add *_and/or/xor* and *_[fetch_]compare_and_swap* tests to test_atomic * Add asm-based and/or/xor implementation for char/short/int (gcc/x86) * Add asm-based char/short/int CAS implementation for gcc/x86[_64] * Add configure '--disable-atomic-intrinsics' option * Add dd_acquire_read case to test_atomic * Add initial nios2 architecture support * Add Makefile target (check-nolink) to compile all source without linking * Add Makefile target to run all tests without test-driver * Add test_atomic_generalized to Makefile and Makefile.msft * Allow alternate CC (CROSS_CC) for AC_TRY_COMPILE (configure) * Always define word-wide CAS for x86 (MS VC++ 8+) * Avoid atomic_compare_exchange_n if no __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n * Avoid extra nop_full in stack_pop_acquire if atomic intrinsics used (x86) * Basic support of TILE-Gx and TILEPro CPUs * Code refactoring of int-wide primitives in gcc/x86.h * Define AO_TS_SET as __GCC_ATOMIC_TEST_AND_SET_TRUEVAL if applicable * Define CLANG/GNUC_PREREQ macros to check gcc/clang minimum version * Do not define print_list() unless used (tests) * Eliminate 'condition sizeof(long)>4 is always true' cppcheck style warning * Eliminate 'ISO C90 does not support long long' compiler pedantic warning * Eliminate 'scope of variable can be reduced' cppcheck warnings * Eliminate redundant lwsync 2nd call in CAS_full on fail (gcc/PowerPC) * Fix 'unknown attribute no_sanitize' compiler warning (clang prior to v3.8) * Fix 'variable new value is never used' cppcheck style warning * Fix missing double_compare_and_swap_dd_acquire_read * Fix reporting about missing and/or/xor_dd_acquire_read (test_atomic) * Hide AO_locks symbol * Implement AO_CLEAR using atomic intrinsic (GCC) * Implement CAS_acquire/release/full using __atomic_compare_exchange_n (gcc) * Implement char and/or/xor and short CAS for msftc ARM and X86[_64] * Implement char CAS and char/short add for msftc X86[_64] (VS 2013+) * Implement compiler_barrier using __atomic_signal_fence (GCC) * Implement int CAS/inc/dec for msftc/x86_64 * Implement short inc/dec directly for msftc ARM and X86[_64] * Initial ibmc/powerpc (xlc) support * New configure option (--enable-werror) to treat warnings as compiler errors * New macro AO_PREFER_BUILTIN_ATOMICS to rely on GCC atomics fully (AArch64) * Refine AO_nop_write comment for ARM big.LITTLE architecture * Refine configure messages when checking for compiler options * Refine documentation about _full memory ordering suffix * Refine README how to build the library source from the repository * Relax shareability domain for dmb st in AO_nop_write (ARM/AArch64) * Remove redundant include windows.h from headers (msftc/x86[_64]) * Remove spaces at EOLn in asm code * Report gcc/clang pedantic warnings (configure) * Support NaCl/arm * Suppress 'ISO C does not support __int128 type' GCC/Clang pedantic warning * Test store/CAS emulation explicitly * Update shared libraries version info to 2:0:1 * Use GCC atomic intrinsics for PowerPC 32/64 (GCC 4.8+ and clang 3.8+) * Use GCC atomic intrinsics for x86, x64, ARM, MIPS (gcc 4.9+, clang 3.5+) * Use generalized double-wide load/store if AO_PREFER_GENERALIZED (gcc/x86) * Workaround '#error' cppcheck error messages * Workaround 'condition always true', 'unused stored value' cppcheck warnings * Workaround 'function is never used' cppcheck style warnings * Workaround 'obsolescent ftime called' cppcheck style warning (POSIX) * Workaround 'overflow in pointer subtraction' cppcheck warning * Workaround 'shifting 32-bit value by 32 bits undefined' cppcheck warning * Workaround 'uninitialized memory use' code analyzer false warning (tests) * Workaround 'uninitialized variable' cppcheck error in hpc/hppa.h * Workaround 'value of macro is unknown' cppcheck information messages * Workaround a bug in double-wide intrinsics of Clang/x64 with ASan enabled * Workaround MSan warning about uninitialized data read by generalized store Also, includes 7.4.6 changes == [7.4.16] 2021-09-13 == * Fix gcc/sunc x86 AO_compare_double_and_swap_double missing side effect * Fix library name in README_details * Fix size of local variable passed to cas[x] (gcc/sparc) * Workaround assertion violation in AO_load/store on m68k == [7.4.14] 2019-03-01 == * Fix 'AO_*_TS_T is not defined' compiler warnings (GCC-8) == [7.4.12] 2018-12-11 == * COPYING: sync with FSF's gpl-2.0.txt * Fix a typo in arm_v6.h * Fix a typo in the overview section of README * Support ILP32 in AArch64 assembly routines (GCC) * Support UWP/arm64 target == [7.4.10] 2017-12-22 == * Fix AO_malloc for sizes near CHUNK_SIZE * Fix memory leak in test_malloc * Fix typo in AO_REAL_NEXT_PTR comment == [7.4.8] 2017-10-18 == * Fix 'missing select.h', 'undefined sigprocmask' compiler errors (Hexagon) * Update README about bugs reporting and new releases notification * Workaround misspelling in GCC to detect ARMv6KZ platform == [7.4.6] 2017-05-18 == * 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 == [7.4.4] 2016-05-24 == * Eliminate 'signed-to-unsigned value extension' compiler warning in malloc * Eliminate 'variable set but not used' Cppcheck warnings in test_stack * Fix GCC 5.x compatibility for AArch64 double-wide primitives * Fix makefile preventing AO_pause undefined in libatomic_ops_gpl * Fix missing casts to match printf format specifier in test_atomic * Fix missing output folder on making auto-generated test files (Automake) * Fix typo in configure.ac (in description of AO_ASM_X64_AVAILABLE) * Minor fix of code alignment in mips AO_compare_and_swap * Remove TODO file * Restore contribution info in ChangeLog for authors not listed in git log Also, includes 7.2g changes == [7.4.2] 2014-05-02 == * Fix a typo in doc/README.txt (remove redundant "an" article) * Update emails/links due to project site transition Also, includes 7.2f changes == [7.4.0] 2013-11-17 == * Add and/or/xor entries to list_atomic (tests) * Add char/short/int/AO_double_t and dd_acquire cases to list_atomic (tests) * Add compile-time assertion for size of 'standard' AO_double_t * Add double_store pthread-based implementation and tests * Add generalized CAS primitives of char/short/int size * Add generalized atomic and/or/xor operations for char/short/int types * Add generalized fetch_and_add_acquire/release (for ARMv6+) * Add generic implementation of double_load primitives * Add information about AO_ASSUME_VISTA to README_win32 * Add internal header containing only char/short/int/AO_t atomic loads * Add load/store primitives generalization based on CAS * Add lock-based implementation of char/short/int_fetch_compare_and_swap * Add makefile rule to test list_atomic.template syntax (tests) * Add missing 'const' in aligned-atomic XSIZE_load implementation * Add missing double_compare_and_swap to generalization * Add missing generalization of no-barrier CAS in template * Add negative double-CAS test cases to test_atomic_include (tests) * Add test_stack to Makefile.msft (tests) * Adjust fprintf arguments type matching specifier in test_stack (tests) * Adjust included filenames in atomic_ops_malloc and test_stack * Adjust quotes in echo command of Makefile.msft (Win32) * Always use 'mfence' for nop_full if target CPU supports SSE2 (gcc/x86) * Better document configure THREADDLLIBS variable * Cast away volatile on dereference in CAS-based generalization primitives * Change policy regarding version numbers ("micro" part instead of "alpha") * Convert README to Markdown format * Define AO_NO_PTHREADS in configure if no pthreads (Win32 and VxWorks) * Define AO_int_X operations for ARM and avr32 * Define double-wide ordered loads/stores for x86 * Define int_and/or/xor primitives in ao_t_is_int header * Define nop_full as compiler barrier for pre-ARMv6 single-core case * Do not duplicate BUILT_SOURCES entries in nobase_private_HEADERS (Makefile) * Do not include standard_ao_double_t.h where double-CAS is unimplemented * Do not report absence of meaningless nop, load and store in test_atomic * Do not use deprecated AO_T and AO_TS_T (tests) * Eliminate 'missing initializer' warning for AO_stack_t value initializer * Eliminate 64-bit compiler warnings in atomic_ops_malloc * Eliminate arithmetic shifts in double-CAS (gcc/arm, msftc/x86) * Eliminate warning for fetch_and_add argument in test_atomic_include (tests) * Enable Makefile.msft for Win64 * Enable build using toolchain without pthreads * Enable double_compare_and_swap for non-cpp code (msftc/x86.h) * Enable generalization of all variants of CAS via fetch_compare_and_swap * Enable test_stack for pthreads-w32 and Win32 with native threads * Fix generalized AO_char/short_compare_and_swap args (missing 'unsigned') * Fix makefile sed rule for list_atomic (tests) * Fix missing abort() usage in atomic_ops_malloc and tests on WinCE * Generalize compare_double_and_swap_double using double_compare_and_swap * Generalize double_load/store for x86_64 (GCC) * Generate ao_t_is_int, 'loadstore' headers from templates * Generate generalized AO_t load/store/fetch_and_add primitives from template * Generate ordered_loads/stores_only headers from templates * Group all X_acquire_release_volatile.h and X_[aligned_]atomic_load_store.h * Implement and/or/xor, AO_double_load for ARM * Implement atomic store using direct write by default on ARMv6+ * Implement char/short/int-wide primitives using GCC built-in atomic/sync * Implement char/short/int_fetch_and_add for msftc/x86[_64] (Win32) * Implement char/short_fetch_and_add, char/short_load for ARMv6+ (GCC) * Implement char/short_store primitives at aligned addresses for ARM * Implement compare_double_and_swap_double for SunCC/x86 * Implement double_load/store based on guaranteed x86 access atomicity * Implement double_store for ARMv7 using LDREXD/STREXD * Implement load/store via simple LDR/STR for ARMv6+ (msftc) * Implement nop_full/write using 'dmb' instruction if available (gcc/arm) * Improve debug printing in test_stack (tests) * Log messages to stdout instead of stderr (tests) * Make AO_ASSUME_VISTA also enables Win98 code in msftc/x86.h (Win32) * Minimize gcc/generic-arithm template by factoring out barriers * Move 'unsigned' keyword to XCTYPE in generalize-small template * Move default compiler options to CFLAGS in Makefile.msft (Win32) * Move definitions of ordered loads/stores to inner separate headers * Move gcc-generic AO_t-wide primitives to generic-small/arithm headers * Move generalized arithmetical primitives to 'generalize-arithm' template * Optimize AO_spin manually to minimize compiler influence on its duration * Parameterize list_atomic template with XSIZE (tests) * Perform only few list reversals in test_malloc if AO based on pthreads * Put autogen.sh to 'dist' package (Automake) * Remote duplicate definition of test_and_set_acquire in generalize.h * Remove X_aligned_atomic_load_store headers and template * Remove duplicate AO_spin and AO_pause definition in atomic_ops_stack * Remove gcc/x86_64.h eliminating code duplication of gcc/x86.h * Remove nested AO_USE_PTHREAD_DEFS macro check in atomic_ops.h (gcc/arm) * Remove redundant 'cc' clobber for LDREXD instruction (gcc/arm) * Remove store_full from msftc/arm.h in favor of generalized primitive * Remove sunc/x86_64.h eliminating code duplication of sunc/x86.h * Remove unsafe emulation-based implementation of double CAS (SunCC/x86_64) * Remove useless 'perror' call in run_parallel.h (tests) * Reorder AO_double_t union elements for AO_DOUBLE_T_INITIALIZER portability * Replace atomic_load_store.template with atomic_load and atomic_store ones * Replace some FIXME items with TODO in atomic_ops.c and sysdeps headers * Specify fetch_and_add/sub1 result as unused in test_atomic (tests) * Support AArch64 (64-bit ARM) target (GCC) * Support ARMv8 target (gcc/arm) * Test double_compare_and_swap in test_atomic (tests) * Use AO_ prefix for internal functions in arm_v6.h, hppa.h * Use __atomic GCC built-in to implement generic double-wide CAS * Use built-in __sync CAS for double-CAS if AO_USE_SYNC_CAS_BUILTIN for x86 * Workaround GCC 4.4.3 warning reported for 'val' of list_atomic.c (tests) Also, includes 7.2e changes == [7.3alpha2] 2012-05-11 == * 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 == [7.2j] 2021-09-12 == * Fix a typo in arm_v6.h * Fix asm constraints of primitives in sunc/x86_64.h * Fix gcc/sunc x86 AO_compare_double_and_swap_double missing side effect * Fix library name in README details * Fix size of local variable passed to cas[x] (gcc/sparc) * Workaround assertion violation in AO_load/store on m68k == [7.2i] 2017-12-21 == * Fix 'missing select.h', 'undefined sigprocmask' compiler errors (Hexagon) * Fix AO_malloc for sizes near CHUNK_SIZE * Fix typo in AO_REAL_NEXT_PTR comment == [7.2h] 2017-05-17 == * Add 'clean' target to Makefile.msft * Enable Makefile.msft for Win64 * Exclude 'check' from nmake all (Makefile.msft) * Fix 'Cannot implement CAS_full on this architecture' build error (cris) * Fix 'doc' files installation folder * Fix (improve) AO_REQUIRE_CAS description in README * Fix AO_SIZE_MAX definition (Linux/musl-gcc) * Fix assertions style in test_atomic_include * Fix size value wrap around in AO_malloc_large * Fix test_atomic failure caused unaligned AO_double_t access (x86) * Fix type of general AO_TS_INITIALIZER * Fix typo in comments in gcc/arm.h * Fix typos in 'error' pragma messages * Workaround test_stack failure on AIX/ppc == [7.2g] 2016-05-23 == * Add disclaimer to README to favor C11/C++14 atomics over libatomic_ops use * Regenerate configure files using official libtool release (v2.4.2) * Remove inclusion of acquire_release_volatile.h on MIPS * Remove obsolete information from README about C++0x standard future * Update links due to project site transition == [7.2f] 2014-05-02 == * Fix a typo in doc/README.txt (remove redundant "an" article) * Regenerate configure files by new automake (v1.14.1), libtool (v2.4.2.418) == [7.2e] 2013-11-10 == * Fix (remove) invalid include of read_ordered.h for ARM * Fix AM_CONFIG_HEADER in configure for autoconf-2.69-1 * Fix AO_pause sleep delay for particular argument values (Win32) * Fix ARMv7 LDREXD/STREXD double-wide operand specification (GCC/Clang) * Fix LDREXD/STREXD use for pre-Clang3.3/arm * Fix README regarding _acquire_read barrier * Fix XSIZE_load/store definition order in generalize-small template * Fix asm constraint of CAS memory operand for gcc/alpha, clang-3.1/mips * Fix asm constraints of primitives in sunc/x86.h * Fix cmpxchg16b-based compare_double_and_swap_double for SunCC/x86_64 * Fix compare_double_and_swap_double and double_ptr_storage for gcc/x32 * Fix compare_double_and_swap_double for clang3.0/x86 in PIC mode * Fix compare_double_and_swap_double_full definition condition in emul_cas * Fix generalize-small template adding missed CAS-based fetch_and_add * Fix generalized fetch_and_add function * Fix missing compiler barrier in nop_full for uniprocessor ARM * Fix ordered_except_wr header inclusion for s390 * Fix return type of AO_int_X primitives defined in ao_t_is_int header * Fix return type of char/short/int_load_read() in read_ordered.h * Fix template-based headers regeneration order in src/Makefile * Fix typos in ao_t_is_int, atomic_ops.h, generalize.h, msftc/arm.h comments * Fix variable type to match printf format specifier in test_stack * Fix visibility and initial value of 'dummy' variable in atomic_ops_stack * Terminate tests with abort after error reported == [7.2d] 2012-08-09 == * 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 == [7.2] 2012-05-11 == * 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 == [7.2alpha6] 2011-06-14 == * 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) == [7.2alpha4] 2009-12-02 == * 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 == [7.2alpha2] 2009-05-27 == * Add MIPS support * Add better support for m68k * Add "const" to first parameter of load calls * Add parentheses around address argument for various macros * Add some platform-specific documentation to INSTALL * Add untested 64-bit support for PowerPC * Fix AO_compare_and_swap_double_acquire * Fix AO_int_fetch_and_add_full (x86_64) * Fix comments * Fix s390 include paths * Fix use of lwz instruction (PowerPC) * Refine clobbers (PowerPC) * Remove outdated info about Windows support in README * Replace K&R-style function definition with ANSI C one * add AO_compare_double_and_swap_double for ARMv6 * gcc/powerpc.h: Consider __NO_LWSYNC__ == [7.1] 2008-02-11 == * 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] 2007-06-28 == * 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 == [1.2] 2006-07-11 == * 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 == [1.1] 2005-09-27 == * 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 == [1.0] 2005-03-21 == * 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