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* [DRAFT] test ao stack on osx #6test-stack-osxIvan Maidanski2017-01-112-26/+7
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* Fix AO_stack build failure on OS X 10.7 because of missing CAS (x86)Ivan Maidanski2016-12-291-1/+4
| | | | | | | | | | (fix commit 7a6a7cc) Issue #23 (libatomic_ops). * src/atomic_ops/sysdeps/gcc/x86.h [AO_GCC_ATOMIC_TEST_AND_SET && __APPLE_CC__] (AO_GCC_FORCE_HAVE_CAS): Define also for arch i386; refine comment.
* Fix AO_stack build failure on OS X 10.7 because of missing CAS (x86_64)Ivan Maidanski2016-12-281-0/+3
| | | | | | | | | Issue #23 (libatomic_ops). * src/atomic_ops/sysdeps/gcc/x86.h [AO_GCC_ATOMIC_TEST_AND_SET && __APPLE_CC__ && __x86_64__] (AO_GCC_FORCE_HAVE_CAS): Define (to workaround missing __GCC_HAVE_SYNC_COMPARE_AND_SWAP_<n> predefined macro in Apple clang-425/x86_64); add comment.
* .gitignore: Properly ignore sym-linked folders of code analysis toolsIvan Maidanski2016-12-141-2/+2
| | | | (fix commit fa3ebc3)
* .gitignore: Ignore folders and files of static code analysis toolsIvan Maidanski2016-12-131-0/+7
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* Support CFLAGS_EXTRA to pass extra user-defined compiler flags (configure)Ivan Maidanski2016-12-103-0/+7
| | | | | | * configure.ac: Add AC_SUBST(CFLAGS_EXTRA). * src/Makefile.am (CFLAGS): Append $(CFLAGS_EXTRA). * tests/Makefile.am (CFLAGS): Likewise.
* Travis CI configuration: turn on assertion checkingIvan Maidanski2016-12-081-1/+1
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* Eliminate 'printf format specifies type void*' GCC pedantic warningsIvan Maidanski2016-12-071-4/+4
| | | | | | | | | | | | | | | This commit also eliminates 'cast from pointer to integer' compiler warnings and '32-bit value shift followed by expansion to 64-bit' static analysis tool warning. * src/atomic_ops_malloc.c [AO_TRACE_MALLOC] (AO_malloc, AO_free): Use %p (instead of %x) format specifier to print pthread_self() value (and cast pthread_self() to void*). * src/atomic_ops_malloc.c [AO_TRACE_MALLOC] (AO_malloc): Cast result+1 to void* (to match %p printf format specifier). * src/atomic_ops_malloc.c [AO_TRACE_MALLOC] (AO_free): Use "UL" suffix for 1 and remove the cast to unsigned long (instead of performing left shift of an integer value and extending the result to unsigned long).
* Workaround 'uninitialized memory use' MemorySanitizer warning (test_atomic)Ivan Maidanski2016-12-051-1/+4
| | | | | | * tests/test_atomic_include.template (test_atomicXX): Ensure old_w is always initialized before AO_double_storeXX; add comment about MSan false warning.
* Update ChangeLog fileIvan Maidanski2016-11-261-0/+4
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* Update ChangeLog file (v7.4 changes)Ivan Maidanski2016-11-261-0/+1
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* Workaround a bug in double-wide intrinsics of Clang/x64 with ASan enabledIvan Maidanski2016-11-242-2/+13
| | | | | | | | | | | | | | | As of clang-3.8, double-wide arguments are incorrectly passed to atomic intrinsic operations for x64 target if Address Sanitizer is enabled. * src/atomic_ops.h [__has_feature(address_sanitizer)] (AO_ADDRESS_SANITIZER): New internal macro. * src/atomic_ops/sysdeps/gcc/x86.h [AO_GCC_ATOMIC_TEST_AND_SET && __clang__ && __x86_64__ && !__ILP32__] (AO_SKIPATOMIC_double_compare_and_swap_ANY, AO_SKIPATOMIC_double_load, AO_SKIPATOMIC_double_load_acquire, AO_SKIPATOMIC_double_store, AO_SKIPATOMIC_double_store_release): Define also if AO_ADDRESS_SANITIZER; update comment.
* Code refactoring of Clang double-wide intrinsic workarounds (gcc/x86)Ivan Maidanski2016-11-242-28/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | (fix commits 9803386, f6a1b68, eb6d4fd) * src/atomic_ops/sysdeps/gcc/generic.h [AO_HAVE_DOUBLE_PTR_STORAGE && !AO_HAVE_double_store] (AO_double_store): Do not define if AO_SKIPATOMIC_double_store. * src/atomic_ops/sysdeps/gcc/generic.h [AO_HAVE_DOUBLE_PTR_STORAGE && !AO_HAVE_double_store_release] (AO_double_store_release): Do not define if AO_SKIPATOMIC_double_load. * src/atomic_ops/sysdeps/gcc/x86.h [AO_GCC_ATOMIC_TEST_AND_SET && __clang__ && !__x86_64__ && !__APPLE_CC__ && !__CYGWIN__ && !AO_PREFER_BUILTIN_ATOMICS] (AO_SKIPATOMIC_double_load, AO_SKIPATOMIC_double_load_acquire, AO_SKIPATOMIC_double_store, AO_SKIPATOMIC_double_store_release): Define internal macro (undefined at the end of file). * src/atomic_ops/sysdeps/gcc/x86.h [AO_GCC_ATOMIC_TEST_AND_SET && (__clang__ && !__x86_64__ && !__APPLE_CC__ && !__CYGWIN__ && !AO_PREFER_BUILTIN_ATOMICS) || (__APPLE_CC__ && __x86_64__))] (AO_SKIPATOMIC_double_compare_and_swap_ANY): Move definition here (remove at other places in this file); undefine at the end of the file. * src/atomic_ops/sysdeps/gcc/x86.h [AO_GCC_ATOMIC_TEST_AND_SET]: Check AO_SKIPATOMIC_double_compare_and_swap_ANY instead of checking multiple macros to detect whether a workaround for the CAS (and others) double-wide operations is needed.
* Undefine internal macros that are defined solely for generic.hIvan Maidanski2016-11-232-0/+14
| | | | | | | | | | | | | (fix commits 03a0465f, 3c52619c, 66f7a4d3) * src/atomic_ops/sysdeps/gcc/aarch64.h (AO_SKIPATOMIC_double_load, AO_SKIPATOMIC_double_load_acquire): Undefine at the end of file. * src/atomic_ops/sysdeps/gcc/arm.h (AO_SKIPATOMIC_ANY_and_ANY, AO_SKIPATOMIC_ANY_or_ANY, AO_SKIPATOMIC_ANY_xor_ANY, AO_SKIPATOMIC_char_store, AO_SKIPATOMIC_char_store_release, AO_SKIPATOMIC_int_store, AO_SKIPATOMIC_int_store_release, AO_SKIPATOMIC_short_store, AO_SKIPATOMIC_short_store_release, AO_SKIPATOMIC_store, AO_SKIPATOMIC_store_release): Likewise.
* Fix GCC -Wpedantic checking in configureIvan Maidanski2016-11-221-1/+3
| | | | | | | (fix commit 96a8fd9) * configure.ac [GCC] (ac_cv_cc_pedantic): Compile code that contains "extern int quiet" (since the translation unit cannot be empty).
* Report gcc/clang pedantic warnings (configure)Ivan Maidanski2016-11-221-1/+9
| | | | | | * configure.ac [GCC] (WPEDANTIC): New variable (set to "-Wpedantic -Wno-long-long" if supported by the compiler). * configure.ac [GCC] (CFLAGS): Add $WPEDANTIC.
* Refine AO_nop_write comment for ARM big.LITTLE architectureIvan Maidanski2016-11-181-1/+2
| | | | | | * src/atomic_ops/sysdeps/gcc/arm.h [!AO_UNIPROCESSOR && AO_ARM_HAVE_DMB && !AO_PREFER_BUILTIN_ATOMICS] (AO_nop_write): Refine comment about "dmb ishst" for big.LITTLE architecture.
* Fix powerpc detection on AIX (gcc)Tobias Leich2016-11-181-1/+2
| | | | | | | | GCC/powerpc-ibm-aix does not define any of __powerpc__, __ppc__, __PPC__, __powerpc64__, __ppc64__; but it does define _ARCH_PPC (and _POWER). * src/atomic_ops.h [_ARCH_PPC]: Include gcc/powerpc.h.
* Do not define print_list() unless used (tests)Ivan Maidanski2016-11-142-0/+4
| | | | | * tests/test_malloc.c (print_list): Define only if DEBUG_RUN_ONE_TEST. * tests/test_stack.c (print_list): Define only if VERBOSE.
* Fix indentation of #endif in s390.hIvan Maidanski2016-11-121-1/+1
| | | | | | | (fix commit c2edeab) * src/atomic_ops/sysdeps/gcc/s390.h (AO_fetch_compare_and_swap_full): Adjust indentation of #endif.
* Update AUTHORS file (add 'Tobias Leich')Ivan Maidanski2016-11-101-0/+1
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* Implement fetch-CAS for s390[x] (gcc)Tobias Leich2016-11-101-1/+18
| | | | | | | * src/atomic_ops/sysdeps/gcc/s390.h (AO_compare_and_swap_full): Do not define if AO_GENERALIZE_ASM_BOOL_CAS. * src/atomic_ops/sysdeps/gcc/s390.h (AO_fetch_compare_and_swap_full): Implement; remove TODO item.
* Update ChangeLog fileIvan Maidanski2016-11-081-3/+22
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* Update ChangeLog file (v7.4 changes)Ivan Maidanski2016-11-081-0/+2
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* Update ChangeLog file (v7.2 - v7.4 changes only)Ivan Maidanski2016-11-081-0/+22
| | | | (Cherry-pick commit 03a1704 from 'release-7_4' branch.)
* Remove spaces at EOLn in asm codeIvan Maidanski2016-11-082-32/+32
| | | | | | | | | | * src/atomic_ops/sysdeps/gcc/hexagon.h (AO_test_and_set, AO_compare_and_swap, AO_fetch_compare_and_swap): Remove spaces preceding "\n". * src/atomic_ops/sysdeps/gcc/mips.h (AO_nop_full, AO_fetch_and_add, AO_test_and_set, AO_compare_and_swap): Likewise. * src/atomic_ops/sysdeps/gcc/hexagon.h (AO_fetch_and_add, AO_test_and_set, AO_fetch_compare_and_swap): Align comments.
* Fix (improve) AO_REQUIRE_CAS description in READMEIvan Maidanski2016-11-021-3/+3
| | | | | * doc/README.txt: Document AO_REQUIRE_CAS better (replace "compare-and-swap" with "AO_compare_and_swap*").
* Add *_and/or/xor* and *_[fetch_]compare_and_swap* tests to test_atomicIvan Maidanski2016-11-011-0/+182
| | | | | | | | | | | | | Previously, only AO_and/or/xor and AO_[fetch]_CAS tests (for AO_t) existed in test_atomic. * tests/test_atomic_include.template (test_atomicXX): Add minimal testing of AO_short_compare_and_swapXX, AO_short_orXX, AO_short_xorXX, AO_short_andXX, AO_short_fetch_compare_and_swapXX, AO_char_compare_and_swapXX, AO_char_orXX, AO_char_xorXX, AO_char_andXX, AO_char_fetch_compare_and_swapXX, AO_int_compare_and_swapXX, AO_int_orXX, AO_int_xorXX, AO_int_andXX, AO_int_fetch_compare_and_swapXX.
* Fix reporting about missing and/or/xor_dd_acquire_read (test_atomic)Ivan Maidanski2016-11-011-3/+18
| | | | | | | | | | | | | | | AO_XSIZE_and/or/xor_dd_acquire_read are meaningless and not implemented, thus their absence is not reported in the tests. * tests/test_atomic_include.template [!AO_HAVE_orXX] (test_atomicXX): Do not call MISSING(AO_or) if all AO_HAVE_or* excluding AO_HAVE_or_dd_acquire_read are not defined. * tests/test_atomic_include.template [!AO_HAVE_xorXX] (test_atomicXX): Do not call MISSING(AO_xor) if all AO_HAVE_xor* excluding AO_HAVE_xor_dd_acquire_read are not defined. * tests/test_atomic_include.template [!AO_HAVE_andXX] (test_atomicXX): Do not call MISSING(AO_and) if all AO_HAVE_and* excluding AO_HAVE_and_dd_acquire_read are not defined.
* Fix missing double_compare_and_swap_dd_acquire_readIvan Maidanski2016-11-011-0/+16
| | | | | | | | | | This matters only if AO_double_compare_and_swap[_acquire_read] actually defined in generalize.h too. * src/atomic_ops/generalize.h [!AO_HAVE_double_compare_and_swap_dd_acquire_read] (AO_double_compare_and_swap_dd_acquire_read): Define (same as definition as auto-generated in generalize-small.h).
* Workaround 'value of MAP_ANON unknown' cppcheck info messageIvan Maidanski2016-10-261-1/+3
| | | | | | | | (fix commit 4c303bc) * src/atomic_ops_malloc.c [USE_MMAP_ANON && CPPCHECK] (OPT_MAP_ANON): Define to immediate non-zero value (taken from Linux libc) instead of MAP_ANON (because the latter is used in ifdef).
* Suppress 'ISO C does not support __int128 type' GCC/Clang pedantic warningIvan Maidanski2016-10-251-1/+15
| | | | | | * src/atomic_ops/sysdeps/standard_ao_double_t.h [!__ILP32__ && (__GNUC__ >= 4.7 || __clang__ >= 3.6)] (double_ptr_storage): Turn off pedantic warnings reporting (for this typedef only).
* Fix test_malloc failure if CPPCHECK is definedIvan Maidanski2016-10-251-2/+2
| | | | | | | (fix commit c1a7aad) * src/atomic_ops_malloc.c [USE_MMAP_ANON && MAP_ANONYMOUS] (OPT_MAP_ANON): Define to MAP_ANON (instead of 0) if CPPCHECK.
* Workaround 'function is never used' cppcheck style warningsIvan Maidanski2016-10-252-2/+17
| | | | | | | | | | | * src/atomic_ops.h [AO_CAN_EMUL_CAS]: Include emul_cas.h also if CPPCHECK (to define AO_store_full as AO_store_full_emulation). * tests/test_atomic_include.template [CPPCHECK] (list_atomicXX, char_list_atomicXX, short_list_atomicXX, int_list_atomicXX, double_list_atomicXX): Declare function. * tests/test_atomic_include.template test_atomicXX (test_atomicXX): Call list_atomicXX, char_list_atomicXX, short_list_atomicXX, int_list_atomicXX and double_list_atomicXX if CPPCHECK.
* Add dd_acquire_read case to test_atomicIvan Maidanski2016-10-252-0/+2
| | | | | | | * tests/Makefile.am (test_atomic_include.h): Add "_dd_acquire_read" test generation. * tests/test_atomic.c [!AO_NO_PTHREADS || !AO_USE_PTHREAD_DEFS] (main): Call test_atomic_dd_acquire_read().
* Hide AO_locks symbolIvan Maidanski2016-10-251-1/+1
| | | | | * src/atomic_ops.c [!_MSC_VER && !__MINGW32__] (AO_locks): Define as static.
* Workaround 'value of macro is unknown' cppcheck information messagesIvan Maidanski2016-10-181-2/+2
| | | | | | | * src/atomic_ops_malloc.c [USE_MMAP_ANON] (OPT_MAP_ANON): Define to 0 (do not use MAP_ANONYMOUS value) if CPPCHECK. * src/atomic_ops_malloc.c [SIZE_MAX] (AO_SIZE_MAX): Do not use SIZE_MAX value if CPPCHECK.
* Merge branch 'ppc-aix'Ivan Maidanski2016-10-172-104/+78
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| * Update AUTHORS fileppc-aixIvan Maidanski2016-10-101-0/+1
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| * Support AIX/ppc (gcc)Jean Girardet2016-10-101-16/+34
| | | | | | | | | | | | | | | | | | | | * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_PPC_L, AO_PPC_BR_A): New internal macros (undefined at the end of file); definition depends on _AIX macro presence. * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_load_acquire, AO_test_and_set, AO_compare_and_swap, AO_fetch_compare_and_swap, AO_fetch_and_add): Use AO_PPC_L for label definitions; use AO_PPC_BR_A to specify jump target.
| * Code refactoring of gcc/powerpc.h to avoid code duplicationIvan Maidanski2016-10-071-96/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_PPC_LD, AO_PPC_LxARX, AO_PPC_CMPx, AO_PPC_STxCXd, AO_PPC_LOAD_CLOBBER): New internal macros (undefined at the end of the file). * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_T_IS_INT): Move definition upper (to have single check of __ppc64__). * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_load_acquire): Use AO_PPC_LD, AO_PPC_LOAD_CLOBBER (and eliminate code duplication). * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_test_and_set, AO_compare_and_swap, AO_fetch_compare_and_swap, AO_fetch_and_add): Use AO_PPC_LxARX, AO_PPC_CMPx, AO_PPC_STxCXd (and eliminate code duplication).
* | Fix 'variable new value is never used' cppcheck style warningIvan Maidanski2016-10-171-1/+4
| | | | | | | | | | | | | | | | Assertion for v value after fetch_and_sub1(&v) is added. * tests/test_atomic_include.template (test_atomicXX): Call TA_assert for s, b, zz values after they are decremented (use volatile pointer to avoid "condition is always true" compiler warning).
* | Workaround 'overflow in pointer subtraction' cppcheck warningIvan Maidanski2016-10-171-3/+5
| | | | | | | | | | | | * src/atomic_ops_malloc.c (AO_free): Do not perform subtraction from "p" argument if its value is null; change type of "base" local variable from char* to AO_t*.
* | Eliminate 'ISO C90 does not support long long' compiler pedantic warningIvan Maidanski2016-10-121-7/+6
| | | | | | | | | | | | | | | | | | | | Long (32-bit) type is sufficient to represent time delta (duration) in test_stack. * tests/test_stack.c (get_msecs): Change return type from long long to unsigned long (use lowest 32 bits of time value). * tests/test_stack.c (main): Change type of start_time local variable to unsigned long; remove redundant type cast.
* | Eliminate 'cast to long from void*' compiler warning in test_atomicIvan Maidanski2016-10-121-6/+2
| | | | | | | | | | * tests/run_parallel.h (AO_PTRDIFF_T): Define to ptrdiff_t for all targets.
* | Fix missing printed value names (test_stack)Ivan Maidanski2016-10-111-4/+4
| | | | | | | | | | * tests/test_stack.c [VERBOSE] (main): Print value name along with the value itself; print "ms" for time value; remove extra get_msecs() call.
* | Eliminate 'scope of variable can be reduced' cppcheck warning in AO_stackIvan Maidanski2016-10-111-1/+2
|/ | | | | | * src/atomic_ops_stack.c [AO_HAVE_compare_and_swap_double] (AO_stack_push_release): Move local variable declaration to the inner scope where the variable is actually used.
* Fix 'visibility' of some CPU-specific internal macrosIvan Maidanski2016-10-078-0/+32
| | | | | | | | | | | | | | | | | | | | | Undefine internal macros that are defined and used solely in a single CPU-specific file. * src/atomic_ops/sysdeps/gcc/arm.h (AO_BR_ALIGN, AO_MASK_PTR, AO_THUMB_GO_ARM, AO_THUMB_RESTORE_MODE, AO_THUMB_SWITCH_CLOBBERS): Undefine at the end of file. * src/atomic_ops/sysdeps/gcc/hppa.h (AO_PA_LDCW_ALIGNMENT, AO_ldcw, AO_ldcw_align): Likewise. * src/atomic_ops/sysdeps/gcc/ia64.h (AO_IN_ADDR, AO_LEN, AO_MASK, AO_OUT_ADDR, AO_SWIZZLE): Likewise. * src/atomic_ops/sysdeps/gcc/mips.h (AO_MIPS_LL, AO_MIPS_LL_1, AO_MIPS_SC, AO_MIPS_SET_ISA): Likewise. * src/atomic_ops/sysdeps/hpc/hppa.h (AO_PA_LDCW_ALIGNMENT, AO_ldcw, AO_ldcw_align): Likewise. * src/atomic_ops/sysdeps/hpc/ia64.h (AO_T_FASIZE, AO_T_SIZE): Likewise. * src/atomic_ops/sysdeps/icc/ia64.h (AO_INTEL_PTR_t): Likewise. * src/atomic_ops/sysdeps/test_and_set_t_is_char.h (AO_TS_SET_TRUEVAL): Likewise.
* Workaround '#error' cppcheck error messagesIvan Maidanski2016-10-055-7/+12
| | | | | | | | | * src/atomic_ops.h [AO_REQUIRE_CAS && !AO_CAN_EMUL_CAS]: Skip #error pragma if CPPCHECK. * src/atomic_ops/generalize.h [AO_HAVE_nop_acquire]: Likewise. * src/atomic_ops/generalize.h [AO_HAVE_nop_release]: Likewise. * src/atomic_ops/sysdeps/armcc/arm_v6.h [__TARGET_ARCH_ARM < 6]: Likewise.
* Fix typos in 'error' pragma messagesIvan Maidanski2016-10-054-5/+5
| | | | | | | | | | | | | | * src/atomic_ops.h [_HPUX_SOURCE && !__ia64] (AO_barrier_dummy): Fix typo ("do not") in comment. * src/atomic_ops/generalize.h [AO_HAVE_nop_acquire]: Fix typo ("do not") in #error message. * src/atomic_ops/generalize.h [AO_HAVE_nop_release]: Likewise. * src/atomic_ops/sysdeps/armcc/arm_v6.h [__TARGET_ARCH_ARM < 6]: Likewise. * src/atomic_ops/sysdeps/armcc/arm_v6.h [__TARGET_ARCH_ARM < 6]: Add #error pragma. * src/atomic_ops_stack.c [AO_HAVE_compare_and_swap_double]: Fix typo ("does not") in #error message.
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