[7.2d] 2012-08-09 Ivan Maidanski * README: Change version to 7.2d (rev. D). 2012-08-01 Ivan Maidanski * src/atomic_ops.h (AO_compiler_barrier): Add parentheses and cast to void. 2012-07-12 Ivan Maidanski * config.guess: Regenerate (by autoreconf -vif using autoconf-2.68, automake-1.11.1 and libtool-2.4). * config.sub: Likewise. 2012-07-04 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_double_and_swap_double_full): Use EDI register for "new_val1" argument in PIC mode only for GCC 4.3+ to workaround a problem with older compiler versions (e.g., GCC 4.2.1 [FreeBSD]) that do not recognize 'D' as a valid register specification; update comment. 2012-07-01 Ivan Maidanski * src/atomic_ops/generalize-small.template (AO_XSIZE_fetch_and_add_full, AO_XSIZE_fetch_and_add_acquire, AO_XSIZE_fetch_and_add_release): Fix type of function result by adding 'unsigned' to XCTYPE. * src/atomic_ops/generalize-small.h: Regenerate. [7.2] 2012-05-11 Ivan Maidanski * configure.ac, README: Bump version to 7.2 (final). * configure: Regenerate. 2012-05-01 H.J. Lu * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_fetch_and_add_full, AO_and_full, AO_or_full, AO_xor_full, AO_compare_and_swap_full): Remove 'q' suffix in asm instruction. 2012-04-16 H.J. Lu * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_T_IS_INT): Defined for x32. 2012-03-28 Ivan Maidanski * configure.ac (PICFLAG): Adjust AC_MSG_CHECKING message; report "none" result if no -fPIC is needed (for Cygwin/MinGW); determine whether GCC -fPIC option causes __PIC__ macro definition; pass -D __PIC__ to PICFLAG (instead of CFLAGS) only if not defined automatically in case -fPIC specified; update comment. 2012-03-26 Ivan Maidanski * src/atomic_ops/sysdeps/standard_ao_double_t.h: Do not use __m128 if GCC pre-v4 (at least, xmmintrin.h is missing in gcc-3.4.3-x86_64 included in Solaris 10 distribution). 2012-03-26 Ivan Maidanski * src/atomic_ops/sysdeps/standard_ao_double_t.h: Fix a typo in comment. 2012-03-19 Ivan Maidanski * configure: Regenerate. * Makefile.in: Likewise. 2011-08-14 Petter Urkedal * atomic_ops.pc.in -> pkgconfig/atomic_ops.pc.in: Moved. * pkgconfig/atomic_ops-uninstalled.pc.in: Added developer version. * configure.ac, Makefile.am: Update accordingly. 2011-08-04 Ivan Maidanski (really Petter Urkedal) * atomic_ops.pc.in: new file. * Makefile.am (pkgconfigdir, pkgconfig_DATA): new items. * configure.ac (AC_CONFIG_FILES): add atomic_ops.pc. * configure, Makefile.in: Regenerate. 2012-03-07 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_double_and_swap_double_full): Use EDI register for "new_val1" argument instead of a memory operand and use XCHG assembler instruction instead of push/pop in case of PIC mode (to workaround a bug in GCC 4.6.1); update the comment. 2012-03-07 Ivan Maidanski * src/atomic_ops_stack.c (AO_stack_push_release): Make "cptr" local variable volatile to workaround a bug in clang-1.1/x86 compiler; add comment. 2012-03-07 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_double_and_swap_double_full): Fix argument name in the comment. * src/atomic_ops/sysdeps/sunc/x86.h (AO_compare_double_and_swap_double_full): Likewise. 2012-03-04 Ivan Maidanski * src/atomic_ops_malloc.h (AO_malloc_enable_mmap): Fix a typo in the comment. 2012-01-19 Ivan Maidanski * tests/test_atomic.c (main): Put "void" keyword into the arguments specification of the function prototype. * tests/test_stack.c (main): Likewise. 2011-12-16 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h (__ARM_ARCH_7__, __ARM_ARCH_7A__): Recognize to override __ARM_ARCH_5xx__ macros (since Android NDK GCC defines both for armv7); update comment. 2011-11-29 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/hexagon.h: Include generalize.h file before ao_t_is_int.h one. * src/atomic_ops/sysdeps/gcc/ia64.h: Likewise. * src/atomic_ops/sysdeps/hpc/ia64.h: Likewise. 2011-11-03 Ivan Maidanski * src/atomic_ops/generalize-small.template (AO_XSIZE_fetch_and_add_full, AO_XSIZE_fetch_and_add_acquire, AO_XSIZE_fetch_and_add_release): Change return type from AO_t to XCTYPE. * src/atomic_ops/generalize-small.h: Regenerate. 2011-10-24 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/mips.h (AO_compare_and_swap_full): Change "result" local variable type from AO_t to int. * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_compare_and_swap_full): Likewise. 2011-10-24 Ivan Maidanski * tests/test_atomic_include.h: Regenerate. 2011-10-24 Ivan Maidanski * tests/test_atomic_include.template (test_atomicXX): Add action for the missing AO_compare_and_swap primitive. 2011-10-21 Ivan Maidanski * src/atomic_ops.c (init_lock): Define only unless AO_USE_NO_SIGNALS. 2011-10-21 Ivan Maidanski * doc/README.txt: Fix a typo. 2011-10-21 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/alpha.h (AO_compare_and_swap): Cast returned value to int. 2011-10-17 Ivan Maidanski * src/atomic_ops/sysdeps/Makefile.in: Regenerate. 2011-10-17 Ivan Maidanski (really Thorsten Glaser) * src/atomic_ops/sysdeps/gcc/m68k.h (AO_test_and_set_full): Cast the returned value. 2011-10-15 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/s390.h (AO_compare_and_swap_full): Change return from AO_t to int. * src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_compare_and_swap_acquire, AO_compare_and_swap_release, AO_compare_and_swap_full): Likewise. 2011-10-11 Ivan Maidanski (really Linas Vepstas) * src/atomic_ops/sysdeps/Makefile.am (nobase_private_HEADERS): Add hexagon.h. * src/atomic_ops.h: Include hexagon.h file. * src/atomic_ops/sysdeps/gcc/hexagon.h: New file. 2011-09-21 Ivan Maidanski * src/atomic_ops.c (AO_non_posix_implementation_is_entirely_in_headers): Make external. 2011-09-21 Ivan Maidanski * configure: Regenerate. * tests/Makefile.in: Ditto. * tests/test_atomic_include.h: Ditto. 2011-09-21 Ivan Maidanski * configure.ac (PICFLAG, THREADDLLIBS): Define as empty for MinGW. * configure.ac (have_pthreads): New definition (set to true unless MinGW). * configure.ac (HAVE_PTHREAD_H): New AM conditional (based on have_pthreads value). * tests/Makefile.am (test_atomic_pthreads_SOURCES, test_atomic_pthreads_CPPFLAGS, test_atomic_pthreads_LDADD): Define only if HAVE_PTHREAD_H. * tests/Makefile.am (TESTS): Don't include test_atomic_pthreads unless HAVE_PTHREAD_H. * tests/Makefile.am (check_PROGRAMS): Define to TESTS value. 2011-09-21 Ivan Maidanski * configure.ac (PICFLAG): Set to -fPIC if GCC but not Gygwin. 2011-09-21 Ivan Maidanski * tests/test_malloc.c (LIST_LENGTH, LARGE_OBJ_SIZE): Define to a smaller value unless HAVE_MMAP. 2011-09-21 Ivan Maidanski * tests/test_malloc.c (cons, run_one_test): Call exit with a non-zero code (instead of abort) if out of memory. * tests/test_stack.c (add_elements): Likewise. * tests/test_stack.c (main): Use a distinct exit code if a thread creation failed. 2011-09-15 Ivan Maidanski * src/atomic_ops/sysdeps/emul_cas.h: Fix a typo (replace AO_FORCE_CAS with AO_REQUIRE_CAS in a comment). 2011-09-08 Ivan Maidanski (really Petter Urkedal) * src/Makefile.am, tests/Makefile.am: Set compiler include paths to $(top_builddir)/src and $(top_srcdir)/src. * src/Makefile.in: Regenerate. * tests/Makefile.in: Ditto. 2011-07-14 Ivan Maidanski * tests/list_atomic.template (list_atomicXX): Remove "addr" local variable (use "&val" instead); initialize "newval" and "oldval" local variables; rename "tsaddr" local variable to "ts" one. * tests/list_atomic.template (list_atomicXX): Fix AO_test_and_setXX call (pass address instead of value). * tests/list_atomic.template: Expand all tabs to spaces; remove trailing spaces at EOLn. * tests/run_parallel.inc: Ditto. * tests/test_atomic.c: Ditto. * tests/list_atomic.c: Regenerate. * tests/run_parallel.inc (AO_PTRDIFF_T): New macro. * tests/run_parallel.inc (tramp): Cast between pointer and integer types via casting to AO_PTRDIFF_T. * tests/test_atomic.c (add1sub1_thr, acqrel_thr): Ditto. * tests/run_parallel.inc (run_parallel): Adjust printf format specifiers for DWORD parameters. * tests/test_stack.c: Skip test if no pthreads. 2011-06-27 Ivan Maidanski (really Jeremy Huddleston) * src/atomic_ops/sysdeps/gcc/x86.h (AO_test_and_set_full): Explicitly cast 0xff to unsigned char (otherwise LLVM v2.7 GAS reports an error); don't recognize AO_XCHGB_RET_WORD. * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_test_and_set_full): Ditto. 2011-06-15 Ivan Maidanski * configure.ac, README: Change to version 7.2alpha7. * configure: Regenerate. [7.2alpha6] 2011-06-14 Ivan Maidanski * configure.ac, README: Change to version 7.2alpha6. * configure: Regenerate. 2011-06-07 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h (AO_nop_full, AO_load): Do not define for pre-ARMv6 directly (revert part of the previous commit). * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set, AO_test_and_set_full): Refine the comment. * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set_full): Define SWP-based implementation at the end of file (if none of AO_test_and_set functions are defined previously). * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set): Remove SWP-based implementation (revert part of the previous commit). * src/atomic_ops/sysdeps/gcc/arm.h (AO_store): Remove redundant definition at the file end (revert part of the previous commit). 2011-06-07 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h: Handle ARMv6M architecture. * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set): Force "swp" instruction usage (instead of ldrex/strex) if AO_FORCE_USE_SWP; add a comment. * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_double_and_swap_double): Handle ARMv7EM architecture (similar to ARMv7M). * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set, AO_nop_full, AO_load, AO_store): Define at the end of file (in case not defined previously). 2011-06-07 Ivan Maidanski * src/atomic_ops/generalize.h: Reformat code. * src/atomic_ops/generalize.h (AO_test_and_set_acquire): Fix return type. * src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_test_and_set): Ditto. * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set): Ditto. * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set): Add a comment (about SWP instruction). 2011-06-06 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h (AO_THUMB_GO_ARM, AO_THUMB_RESTORE_MODE): Use single-digit labels (to workaround a bug in GCC v4.2.1 which reports "garbage following instruction" otherwise). * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_and_swap): Use "IT" instruction only for Thumb-2 mode. 2011-06-06 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h (AO_THUMB_GO_ARM, AO_THUMB_RESTORE_MODE, AO_THUMB_SWITCH_CLOBBERS): Define as empty for Thumb-2 mode. * src/atomic_ops/sysdeps/gcc/arm.h (AO_store, AO_test_and_set, AO_fetch_and_add, AO_fetch_and_add1, AO_fetch_and_sub1, AO_compare_and_swap, AO_compare_double_and_swap_double): Remove unnecessary "memory" keyword from the list of clobbered registers (revert part of the previous commit). * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_and_swap): Add a comment for "IT" instruction. * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_double_and_swap_double): Don't define on the architectures where unimplemented; add a comment; replace return (in the loop) statement with break. 2011-06-06 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h (AO_THUMB_GO_ARM, AO_THUMB_RESTORE_MODE, AO_THUMB_SWITCH_CLOBBERS): Define new macro (to switch temporarily CPU mode to ARM in inline assembler if compiling in the Thumb mode and to restore it back on leave). * src/atomic_ops/sysdeps/gcc/arm.h (AO_nop_full, AO_store, AO_test_and_set, AO_fetch_and_add, AO_fetch_and_add1, AO_fetch_and_sub1, AO_compare_and_swap, AO_test_and_set_full): Enable compilation in the Thumb mode (use AO_THUMB_GO_ARM, AO_THUMB_RESTORE_MODE and AO_THUMB_SWITCH_CLOBBERS macros). * src/atomic_ops/sysdeps/gcc/arm.h (AO_store, AO_test_and_set, AO_fetch_and_add, AO_fetch_and_add1, AO_fetch_and_sub1, AO_compare_and_swap, AO_compare_double_and_swap_double): Add "memory" to the list of clobbered registers. 2011-06-06 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h: Reformat code. * src/atomic_ops/sysdeps/gcc/arm.h (AO_nop_full, AO_test_and_set_full): Add assembler comment containing the function name. 2011-06-03 Ivan Maidanski * tests/test_malloc.c (run_one_test): Test AO_malloc() result (if out of memory then print the message and abort). * tests/test_stack.c (add_elements): Ditto. 2011-06-03 Ivan Maidanski * src/atomic_ops/generalize.h (AO_HAVE_or_full): Add missing definition. * src/atomic_ops/sysdeps/ordered_except_wr.h (AO_HAVE_nop_write): Fix macro name. * src/atomic_ops/sysdeps/read_ordered.h (AO_HAVE_nop_read): Ditto. * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_HAVE_store_release): Ditto. 2011-06-03 Ivan Maidanski * src/atomic_ops/generalize-small.template (AO_HAVE_XSIZE_fetch_and_add_full): Add missing definition. * src/atomic_ops/generalize-small.template: Reformat code. * src/atomic_ops/generalize-small.h: Regenerate. 2011-06-03 Ivan Maidanski * src/atomic_ops/sysdeps/aligned_atomic_load_store.h: Remove blank line between AO_func and AO_HAVE_func definitions. * src/atomic_ops/sysdeps/atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/char_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/generic_pthread.h: Ditto. * src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/int_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/ordered.h: Ditto. * src/atomic_ops/sysdeps/ordered_except_wr.h: Ditto. * src/atomic_ops/sysdeps/read_ordered.h: Ditto. * src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/short_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/gcc/alpha.h: Ditto. * src/atomic_ops/sysdeps/gcc/arm.h: Ditto. * src/atomic_ops/sysdeps/gcc/cris.h: Ditto. * src/atomic_ops/sysdeps/gcc/hppa.h: Ditto. * src/atomic_ops/sysdeps/gcc/ia64.h: Ditto. * src/atomic_ops/sysdeps/gcc/m68k.h: Ditto. * src/atomic_ops/sysdeps/gcc/mips.h: Ditto. * src/atomic_ops/sysdeps/gcc/powerpc.h: Ditto. * src/atomic_ops/sysdeps/gcc/s390.h: Ditto. * src/atomic_ops/sysdeps/gcc/sparc.h: Ditto. * src/atomic_ops/sysdeps/gcc/x86.h: Ditto. * src/atomic_ops/sysdeps/gcc/x86_64.h: Ditto. * src/atomic_ops/sysdeps/hpc/hppa.h: Ditto. * src/atomic_ops/sysdeps/hpc/ia64.h: Ditto. * src/atomic_ops/sysdeps/ibmc/powerpc.h: Ditto. * src/atomic_ops/sysdeps/msftc/common32_defs.h: Ditto. * src/atomic_ops/sysdeps/msftc/x86.h: Ditto. * src/atomic_ops/sysdeps/msftc/x86_64.h: Ditto. * src/atomic_ops/sysdeps/sunc/sparc.h: Ditto. * src/atomic_ops/sysdeps/sunc/x86.h: Ditto. * src/atomic_ops/sysdeps/sunc/x86_64.h: Ditto. * src/atomic_ops/sysdeps/aligned_atomic_load_store.h: Reformat comment. * src/atomic_ops/sysdeps/atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/char_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/int_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/ordered.h: Ditto. * src/atomic_ops/sysdeps/gcc/arm.h: Ditto. * src/atomic_ops/sysdeps/test_and_set_t_is_char.h: Remove file tail blank lines. * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set_full): Don't define for ARMv2. * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_load_acquire, AO_test_and_set, AO_compare_and_swap): Merge adjacent definitions. * src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_HAVE_store_release): Define. * src/atomic_ops/sysdeps/sunc/sparc.h: Expand all tabs to spaces; remove trailing spaces at EOLn. 2011-06-02 Ivan Maidanski * tests/test_malloc.c (main): Remove unused "exper_n" local variable. * tests/test_stack.c (run_one_test): Remove unused "aux" local variable. 2011-06-01 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_double_and_swap_double, AO_HAVE_compare_double_and_swap_double): Define only starting from ARMv6K. * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_double_and_swap_double): Fix function name in assembler code; replace while (1) loop with "do-while". 2011-06-01 Ivan Maidanski * src/atomic_ops/sysdeps/sunc/x86.h (AO_test_and_set_full): Specify "%b0" (instead of "%0") in "xchg" instruction (to workaround a bug in Sun C 5.11). * src/atomic_ops/sysdeps/sunc/x86_64.h (AO_test_and_set_full): Ditto. 2011-06-01 Ivan Maidanski * src/atomic_ops_malloc.c (AO_malloc_enable_mmap): Workaround for Sun C compiler (call "release" variant of AO_store). 2011-06-01 Ivan Maidanski * configure.ac (_PTHREADS): New template (used for NetBSD). * configure.ac (THREADDLLIBS): New macro. * tests/Makefile.am (test_atomic_LDADD, test_stack_LDADD, test_atomic_pthreads_LDADD, test_malloc_LDADD): Use THREADDLLIBS instead of "-lpthread". * configure: Regenerate. * Makefile.in: Ditto. * doc/Makefile.in: Ditto. * src/Makefile.in: Ditto. * src/atomic_ops/Makefile.in: Ditto. * src/atomic_ops/sysdeps/Makefile.in: Ditto. * src/config.h.in: Ditto. * tests/Makefile.in: Ditto. 2011-05-30 Ivan Maidanski * configure.ac (PIC): Add workaround for GCC v3.4.6 which does not define the corresponding macro. * configure.ac: Don't check for GCC twice. * configure: Regenerate. * tests/test_malloc.c (DEFAULT_NTHREADS): New macro. * tests/test_malloc.c (run_one_test): Refine printed message (in case of HAVE_MMAP). * tests/test_malloc.c (main): Use DEFAULT_NTHREADS. * tests/test_stack.c (main): Cast AO_stack_pop() returned pointer. * src/atomic_ops_malloc.c (USE_MMAP_ANON, GC_MMAP_FLAGS, OPT_MAP_ANON): New macro. * src/atomic_ops_malloc.c (get_mmaped): Pass -1 (instead of 0) as file descriptor to mmap() if MAP_ANONYMOUS (same as for MAP_ANON). * src/atomic_ops_malloc.c (get_mmaped): Use USE_MMAP_ANON, GC_MMAP_FLAGS and OPT_MAP_ANON macros; reformat code; check open() returned value. 2011-05-11 Ivan Maidanski * tests/test_malloc.c: Expand all tabs to spaces; remove trailing spaces at EOLn. * tests/test_malloc.c (LENGTH, LARGE): Rename to LIST_LENGTH and LARGE_OBJ_SIZE, respectively. * tests/test_malloc.c (MAX_NTHREADS, N_REVERSALS, LIST_LENGTH, LARGE_OBJ_SIZE): Do not define unless undefined. * tests/test_malloc.c (run_one_test): Recognize DEBUG_RUN_ONE_TEST macro. 2011-05-10 Ivan Maidanski * tests/Makefile.am (EXTRA_DIST): Add list_atomic.c; update comment. * tests/Makefile.am (CLEANFILES): Remove test_atomic_include.h, list_atomic.c. * tests/Makefile.am: Remove trailing spaces at EOLn. * tests/Makefile.in: Regenerate. 2011-05-10 Ivan Maidanski * tests/test_stack.c (MAX_NTHREADS, N_EXPERIMENTS): Do not define unless undefined. * tests/test_stack.c: Expand all tabs to spaces. * tests/test_atomic_include.h: Ditto. * tests/test_stack.c (main): Free pop'ed elements. * tests/test_atomic_include.h (test_atomic, test_atomic_release, test_atomic_acquire, test_atomic_read, test_atomic_write, test_atomic_full, test_atomic_release_write, test_atomic_acquire_read): Remove prototype. 2011-04-22 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/ia64.h (AO_MASK): Add "volatile" for asm; remove redundant trailing ';'. 2011-04-11 Ivan Maidanski (really Jim Meyering) * doc/README.txt: Remove doubled words in comments. 2011-03-18 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h: Test for all the known pre-v6 ARM chips instead of all the currently existing v6+ ones. 2011-03-13 Ivan Maidanski * src/atomic_ops/sysdeps/emul_cas.h: Fix a typo in a comment; expand all tabs to spaces. * src/atomic_ops/sysdeps/gcc/x86.h (AO_test_and_set_full): Recognize AO_XCHGB_RET_WORD new macro (to workaround a bug). * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_test_and_set_full): Ditto. 2011-02-19 Ivan Maidanski * src/atomic_ops.c: Include sys/time.h (to get timespec) for NaCl. * src/atomic_ops_malloc.c (msb): Do the shift by 32 only once (in a conditional expression) to prevent a compiler warning. * src/atomic_ops_malloc.c: Expand all tabs to spaces; remove trailing spaces at EOLn. 2011-02-19 Ivan Maidanski * src/atomic_ops.c: Explicitly define AO_USE_NO_SIGNALS and AO_USE_NANOSLEEP for NaCl. 2011-02-19 Ivan Maidanski * aclocal.m4: Regenerate (by autoreconf -vif using autoconf-2.68, automake-1.11.1 and libtool-2.4). * configure: Ditto. 2011-02-09 Ivan Maidanski * src/atomic_ops.c (AO_USE_NO_SIGNALS, AO_USE_NANOSLEEP): New macros. * src/atomic_ops.c (AO_USE_WIN32_PTHREADS): Imply AO_USE_NO_SIGNALS. * src/atomic_ops.c: Don't include signal.h if AO_USE_NO_SIGNALS. * src/atomic_ops.c: Include time.h if AO_USE_NANOSLEEP. * src/atomic_ops.c (AO_locks, AO_pause): Reformat the code. * src/atomic_ops.c (AO_pause): Use nanosleep() if AO_USE_NANOSLEEP. * src/atomic_ops.c (all_sigs, initialized, AO_compare_and_swap_emulation, AO_compare_double_and_swap_double_emulation): Use AO_USE_NO_SIGNALS instead of AO_USE_WIN32_PTHREADS. 2011-01-07 Ivan Maidanski * src/.cvsignore: Add more auto-generated files. * tests/.cvsignore: Ditto. * src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_nop_full, AO_store, AO_compare_double_and_swap_double): Reformat code. * src/atomic_ops/sysdeps/gcc/arm.h (AO_nop_full, AO_compare_double_and_swap_double): Ditto. * src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_compare_and_swap): Produce "it eq" instruction only for Thumb mode. * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_and_swap): Ditto. 2010-11-23 Ivan Maidanski (really Michael Hope) * src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_compare_and_swap): Insert "it eq" just before "strexeq" (required for Thumb-2 mode, ignored in ARM mode). * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_and_swap): Ditto. 2010-09-15 Ivan Maidanski (with input from Gregory Farnum) * src/atomic_ops.h: Include armcc/arm_v6.h if __ARMCC__. * src/atomic_ops.h: Include ibmc/powerpc.h if __IBMC__. * src/atomic_ops.h: Define AO_GENERALIZE_TWICE if msftc/arm.h is included. * src/atomic_ops.h: Define AO_GENERALIZE_TWICE if AO_CAN_EMUL_CAS is defined but emul_cas.h has not been included. * src/atomic_ops/sysdeps/gcc/arm.h: Fix a typo. 2010-08-14 Ivan Maidanski * aclocal.m4: Regenerate (by autoreconf -vif using autoconf-2.67, automake-1.11.1 and libtool-2.2.8). * configure: Ditto. 2010-08-14 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/arm.h: Replace C++ style comment with ANSI C one. 2010-05-30 Ivan Maidanski (really Bradley Smith) * src/atomic_ops/sysdeps/gcc/avr32.h (AO_test_and_set): Use "register long" (instead of "int") for "ret" variable. * src/atomic_ops/sysdeps/gcc/avr32.h (AO_test_and_set): Replace with AO_test_and_set_full (same for AO_HAVE_test_and_set). * src/atomic_ops/sysdeps/gcc/avr32.h (AO_compare_and_swap_full): New function implemented. 2010-05-22 Ivan Maidanski * src/atomic_ops/sysdeps/Makefile.am (nobase_sysdep_HEADERS): Add "gcc/avr32.h". * src/atomic_ops/sysdeps/Makefile.in: Regenerate. 2010-05-21 Ivan Maidanski (really Bradley Smith) * src/atomic_ops.h: Recognize __avr32__ (include gcc/avr32.h). * src/atomic_ops/sysdeps/gcc/avr32.h: New file. 2010-04-29 Ivan Maidanski * doc/README_malloc.txt: Fix a typo. * doc/README_stack.txt: Ditto. 2010-02-25 Ivan Maidanski (really Bruce Mitchener) * .cvsignore: New file. * doc/.cvsignore: Ditto. * src/.cvsignore: Ditto. * src/atomic_ops/.cvsignore: Ditto. * src/atomic_ops/sysdeps/.cvsignore: Ditto. * tests/.cvsignore: Ditto. 2010-02-19 Ivan Maidanski (mostly really Patrick Marlier) * src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_and_swap_full): Use __sync_bool_compare_and_swap() if AO_USE_SYNC_CAS_BUILTIN. * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_and_swap_full): Ditto. * src/atomic_ops.h (AO_USE_SYNC_CAS_BUILTIN): New macro defined if GCC v4.2+ or Intel compiler v11.1+ (only for amd64). * src/atomic_ops.h: Include GCC-specific sysdeps files for Intel compiler in GCC compatible mode (only for x86 and amd64). 2010-02-18 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_nop_full): Don't check for AO_USE_PENTIUM4_INSTRS (since "mfence" (SSE2) is supported on all x86_64/amd64 chips); remove the comment. * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_nop_full): Define only if AO_ASM_X64_AVAILABLE. * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_and_swap_full): Use built-in __sync_bool_compare_and_swap() if GCC v4.2+. 2010-02-17 Ivan Maidanski (really Patrick Marlier) * src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_and_swap_full, AO_compare_double_and_swap_double_full): Use EAX for the result since cmpxchg clobbers it. * src/atomic_ops/sysdeps/sunc/x86.h (AO_compare_and_swap_full, AO_compare_double_and_swap_double_full): Ditto. * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_and_swap_full, AO_compare_double_and_swap_double_full): Ditto. * src/atomic_ops/sysdeps/sunc/x86_64.h (AO_compare_and_swap_full, AO_compare_double_and_swap_double_full): Ditto. 2010-02-04 Ivan Maidanski * doc/Makefile.in: Regenerate. 2010-02-04 Ivan Maidanski (really Ian Wienand) * doc/Makefile.am: Remove duplicate file in the list. 2010-02-03 Ivan Maidanski * ChangeLog: Fix some typos. 2010-02-03 Ivan Maidanski * src/atomic_ops_stack.c (AO_stack_push_explicit_aux_release): Define "i" variable only if used (to suppress a compiler warning). 2010-02-02 Ivan Maidanski * src/atomic_ops/sysdeps/sunc/x86.h (AO_test_and_set_full): Fix "xchg" data size (remove "l" suffix). * src/atomic_ops/sysdeps/sunc/x86_64.h (AO_test_and_set_full): Ditto. * src/atomic_ops/sysdeps/sunc/x86_64.h (AO_test_and_set_full): Use AO_TS_t for oldval. * src/atomic_ops/sysdeps/sunc/x86.h (AO_compare_double_and_swap_double_full, AO_HAVE_compare_double_and_swap_double_full): Comment out (since not tested, might be wrong, and tickles a bug in some Sun CC versions; besides, __PIC__ macro is never predefined by Sun CC). 2010-01-29 Ivan Maidanski * INSTALL: Regenerate (by autoreconf -vif using libtool-2.2.6b, automake-1.11.1, autoconf-2.65). * Makefile.in: Ditto. * aclocal.m4: Ditto. * compile: Ditto. * config.guess: Ditto. * config.sub: Ditto. * configure: Ditto. * depcomp: Ditto. * install-sh: Ditto. * missing: Ditto. * mkinstalldirs: Ditto. * doc/Makefile.in: Ditto. * src/Makefile.in: Ditto. * src/atomic_ops/Makefile.in: Ditto. * src/atomic_ops/sysdeps/Makefile.in: Ditto. * src/config.h.in: Ditto. * tests/Makefile.in: Ditto. 2009-12-19 Ivan Maidanski * src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_lwsync): Redirect to AO_sync() if __NO_LWSYNC__ (same as for gcc/powerpc.h). 2009-12-17 Ivan Maidanski (really Emmanuel Stapf) * src/atomic_ops.h: Recognize _M_X64 (as an alias for _AMD64_). 2009-12-04 Ivan Maidanski * configure.ac, README: Change to version 7.2alpha5. * configure: Regenerate. [7.2alpha4] 2009-12-02 Ivan Maidanski * configure.ac, README: Change to version 7.2alpha4. * configure: Regenerate. 2009-12-01 Ivan Maidanski * configure.ac, README: Change to version 1.3alpha1. * configure: Regenerate. 2009-11-21 Ivan Maidanski (really Daniel R. Grayson) * configure.ac (AC_CONFIG_COMMANDS): Quote PICFLAG, CC, DEFS values. * configure: Regenerate. 2009-10-06 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/sh.h: Remove commented out AO_TS_SET redefinition. 2009-10-05 Ivan Maidanski * src/atomic_ops/sysdeps/Makefile.in: Regenerate. 2009-10-05 Ivan Maidanski (really Takashi YOSHII) * src/atomic_ops/sysdeps/gcc/sh.h: New file. * src/atomic_ops.h: Include gcc/sh.h if __arm__. * src/atomic_ops/sysdeps/Makefile.am: Add gcc/sh.h entry. 2009-10-02 Ivan Maidanski * src/atomic_ops/sysdeps/Makefile.am: Add armcc/arm_v6.h, msftc/arm.h, msftc/common32_defs.h, sunc/x86.h sunc/x86_64.h entries; order all entries alphabetically. * src/atomic_ops/sysdeps/Makefile.in: Regenerate. 2009-10-01 Ivan Maidanski * aclocal.m4: Regenerate (by autoreconf -vif using libtool-2.2, automake-1.10.2, autoconf-2.64). * INSTALL: Ditto. * Makefile.in: Ditto. * aclocal.m4: Ditto. * config.guess: Ditto. * config.sub: Ditto. * configure: Ditto. * depcomp: Ditto. * install-sh: Ditto. * missing: Ditto. * mkinstalldirs: Ditto. * doc/Makefile.in: Ditto. * src/config.h.in: Ditto. * src/Makefile.in: Ditto. * src/atomic_ops/Makefile.in: Ditto. * src/atomic_ops/sysdeps/Makefile.in: Ditto. * tests/Makefile.in: Ditto. 2009-10-01 Ivan Maidanski * src/atomic_ops/sysdeps/gcc/x86.h: Remove spaces preceding '#' for the preprocessor directives. * src/atomic_ops/sysdeps/sunc/x86.h: Ditto. 2009-09-30 Ivan Maidanski (really Petter Urkedal) * README: Move notes from the hand-edited part of INSTALL which was overwritten by Automake recently. 2009-09-26 Ivan Maidanski * aclocal.m4: Regenerate (by autoreconf -vif). * config.guess: Ditto. * config.sub: Ditto. * configure: Ditto. * INSTALL: Ditto. * Makefile.in: Ditto. * doc/Makefile.in: Ditto. * src/config.h.in: Ditto. * src/Makefile.in: Ditto. * src/atomic_ops/Makefile.in: Ditto. * src/atomic_ops/sysdeps/Makefile.in: Ditto. * tests/Makefile.in: Ditto. 2009-09-25 Ivan Maidanski (really Petter Urkedal) * configure.ac: Replace AC_PROG_CC with AM_PROG_CC_C_O. 2009-09-16 Ivan Maidanski * ChangeLog: Remove trailing spaces at EOLn. * doc/README.txt: Expand all tabs to spaces; remove trailing spaces at EOLn; remove multiple trailing blank lines. * src/atomic_ops.c: Ditto. * src/atomic_ops.h: Ditto. * src/atomic_ops/generalize-small.h: Ditto. * src/atomic_ops/generalize.h: Ditto. * src/atomic_ops/sysdeps/acquire_release_volatile.h: Ditto. * src/atomic_ops/sysdeps/aligned_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/all_aligned_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/all_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/ao_t_is_int.h: Ditto. * src/atomic_ops/sysdeps/armcc/arm_v6.h: Ditto. * src/atomic_ops/sysdeps/atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/char_acquire_release_volatile.h: Ditto. * src/atomic_ops/sysdeps/char_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/gcc/alpha.h: Ditto. * src/atomic_ops/sysdeps/gcc/arm.h: Ditto. * src/atomic_ops/sysdeps/gcc/hppa.h: Ditto. * src/atomic_ops/sysdeps/gcc/ia64.h: Ditto. * src/atomic_ops/sysdeps/gcc/m68k.h: Ditto. * src/atomic_ops/sysdeps/gcc/mips.h: Ditto. * src/atomic_ops/sysdeps/gcc/powerpc.h: Ditto. * src/atomic_ops/sysdeps/gcc/s390.h: Ditto. * src/atomic_ops/sysdeps/gcc/sparc.h: Ditto. * src/atomic_ops/sysdeps/gcc/x86.h: Ditto. * src/atomic_ops/sysdeps/gcc/x86_64.h: Ditto. * src/atomic_ops/sysdeps/generic_pthread.h: Ditto. * src/atomic_ops/sysdeps/hpc/hppa.h: Ditto. * src/atomic_ops/sysdeps/hpc/ia64.h: Ditto. * src/atomic_ops/sysdeps/ibmc/powerpc.h: Ditto. * src/atomic_ops/sysdeps/icc/ia64.h: Ditto. * src/atomic_ops/sysdeps/int_acquire_release_volatile.h: Ditto. * src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/int_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/msftc/arm.h: Ditto. * src/atomic_ops/sysdeps/msftc/common32_defs.h: Ditto. * src/atomic_ops/sysdeps/msftc/x86.h: Ditto. * src/atomic_ops/sysdeps/msftc/x86_64.h: Ditto. * src/atomic_ops/sysdeps/ordered.h: Ditto. * src/atomic_ops/sysdeps/ordered_except_wr.h: Ditto. * src/atomic_ops/sysdeps/read_ordered.h: Ditto. * src/atomic_ops/sysdeps/short_acquire_release_volatile.h: Ditto. * src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/short_atomic_load_store.h: Ditto. * src/atomic_ops/sysdeps/standard_ao_double_t.h: Ditto. * src/atomic_ops/sysdeps/sunc/x86.h: Ditto. * src/atomic_ops/sysdeps/sunc/x86_64.h: Ditto. * src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h: Ditto. * src/atomic_ops_stack.c: Ditto. * src/atomic_ops_stack.h: Ditto. * src/atomic_ops/sysdeps/gcc/arm.h: Replace non-ASCII quotes in a comment. * src/atomic_ops/sysdeps/gcc/mips.h: Use Unix-style EOLn. 2009-09-10 Ivan Maidanski (ivmai123.diff) * src/atomic_ops/sysdeps/msftc/arm.h: Add FIXME for InterlockedOps (regarding memory barrier). * src/atomic_ops/sysdeps/msftc/arm.h: Don't recognize AO_ASSUME_ARM_ARCH6 anymore; check for _M_ARM >= 6 instead. * src/atomic_ops/sysdeps/msftc/arm.h (AO_nop_full, AO_test_and_set): Replace FIXME with the comment saying it is emulated (in generalize.h); include test_and_set_t_is_ao_t.h. * src/atomic_ops/sysdeps/msftc/arm.h (AO_store_full): Implement using InterlockedCompareExchange() (assuming the latter has a full mbar) for ARMv6+. * src/atomic_ops/sysdeps/msftc/arm.h: Include all_atomic_load_store.h and test_and_set_t_is_ao_t.h for the case of pre-ARMv6; add the comment. 2009-09-10 Ivan Maidanski (ivmai122.diff) * src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_compare_double_and_swap_double): Replace false/true with 0/1. * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_double_and_swap_double): Ditto. * src/atomic_ops/sysdeps/gcc/arm.h: Recognize more ARMv6+ predefined macros (6J, 6ZK, 7A, 7M, 7R). * src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_double_and_swap_double): Add "cc" clobber to asm. * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_HAVE_load_acquire): Correct the name (convert from the lower case). * src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_HAVE_load_acquire): Ditto. * src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_test_and_set, AO_compare_and_swap): Comment out unimplemented code (and the corresponding macros); add FIXME. * src/atomic_ops.c: Recognize AO_USE_WIN32_PTHREADS overriding _MSC_VER and __MINGW32__ predefined macros (useful for WinCE with pthreads-w32 library); don't include signal.h, sys/time.h, sys/select.h in this case; include windows.h instead. * src/atomic_ops.c (AO_pause): Use Sleep() in case of AO_USE_WIN32_PTHREADS (instead of select()). * src/atomic_ops.c (all_sigs, initialized): Don't define in case of AO_USE_WIN32_PTHREADS. * src/atomic_ops.c (AO_compare_and_swap_emulation, AO_compare_double_and_swap_double_emulation): Don't deal with signals in case of AO_USE_WIN32_PTHREADS. 2009-09-10 Ivan Maidanski (diff110) * src/atomic_ops/sysdeps/msftc/arm.h: New file (initial support for ARM family). * src/atomic_ops/sysdeps/msftc/common32_defs.h: New file. * src/atomic_ops/sysdeps/msftc/arm.h (AO_ASSUME_ARM_ARCH6): New macro. * src/atomic_ops/sysdeps/msftc/common32_defs.h (AO_USE_INTERLOCKED_INTRINSICS): Ditto. * src/atomic_ops/sysdeps/msftc/x86.h: Move "Interlocked" declarations to common32_defs.h. * src/atomic_ops/sysdeps/msftc/common32_defs.h (AO_INTERLOCKED_VOLATILE): New macro defined (used by Interlocked-based primitives) for compatibility with older VC++. * src/atomic_ops/sysdeps/msftc/common32_defs.h: Don't include missing if WinCE target. * src/atomic_ops/sysdeps/msftc/x86.h: Include common32_defs.h (define AO_USE_INTERLOCKED_INTRINSICS unconditionally). * src/atomic_ops/sysdeps/msftc/x86.h (AO_fetch_and_add_full, AO_fetch_and_add1_full, AO_fetch_and_sub1_full, AO_compare_and_swap_full): Move arch-independent primitives to common32_defs.h. * src/atomic_ops/sysdeps/msftc/x86.h: Remove comment about i486 or better CPU (since Interlocked Add and Xchg primitives are available on any 32-bit CPU). * src/atomic_ops.h: Include msftc/x86.h even if _M_IX86 is less than 400 (for i80386). * src/atomic_ops.h: Include msftc/x86.h if "x86" defined (for WinCE on x86). * src/atomic_ops.h: Include msftc/arm.h if ARM target (for WinCE). 2009-09-10 Ivan Maidanski (diff109_cvs) * src/atomic_ops/sysdeps/msftc/x86.h: Fix comments (prefix ASSUME_WINDOWS98 with "AO_"). * src/atomic_ops/sysdeps/msftc/x86.h: Prefix ASSUME_VISTA macro with "AO_". * src/atomic_ops/sysdeps/msftc/x86.h (AO_nop_full): Replace K&R-style function definition with ANSI C one. * src/atomic_ops/sysdeps/msftc/x86.h (AO_test_and_set_full): Replace AO_TS_SET with its value 0xff (some compilers does not like C enum consts inside inline assembler). * src/atomic_ops/sysdeps/msftc/x86.h (AO_test_and_set_full): Add comment about "missing return value" warning. * src/atomic_ops/sysdeps/msftc/x86.h (AO_OLD_STYLE_INTERLOCKED_COMPARE_EXCHANGE): New macro. * src/atomic_ops/sysdeps/msftc/x86.h (AO_compare_and_swap_full): Use _InterlockedCompareExchange() with args and result of PVOID type if AO_OLD_STYLE_INTERLOCKED_COMPARE_EXCHANGE is defined (mostly for DigitalMars compiler support). * src/atomic_ops/sysdeps/msftc/x86.h (AO_compare_double_and_swap_double_full): Swap all "val1" and "val2" variables ("val1" is the lowest part of AO_double_t). * src/atomic_ops/sysdeps/msftc/x86.h (AO_compare_double_and_swap_double_full): Rename to AO_double_compare_and_swap_full (as it has 3 args). * src/atomic_ops/sysdeps/msftc/x86.h: Replace C++ style comment with ANSI C one. 2009-09-10 Ivan Maidanski (diff108_cvs) * src/atomic_ops/sysdeps/gcc/x86_64.h: Remove comments about i486 and 32-bit WinChips. * src/atomic_ops/sysdeps/msftc/x86_64.h: Ditto. * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_nop_full): Replace K&R-style function definition with ANSI C one. * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_double_and_swap_double_full): Fix comment. * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_double_and_swap_double_full): Swap all "val1" and "val2" variables ("val1" is the lowest part of AO_double_t). * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_compare_double_and_swap_double_full): Ditto. * src/atomic_ops/sysdeps/msftc/x86_64.h: Remove comment about ASSUME_WINDOWS98. * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_ASM_X64_AVAILABLE): New macro. * src/atomic_ops/sysdeps/msftc/x86_64.h: Include "test_and_set_t_is_char.h" if AO_ASM_X64_AVAILABLE (same as in x86_64.h for gcc); remove FIXME (for re-implement test-and-set). * src/atomic_ops/sysdeps/msftc/x86_64.h: Include "standard_ao_double_t.h" (same as in x86_64.h for gcc). * src/atomic_ops/sysdeps/msftc/x86_64.h: Add comment for include assuming at least VC++ v8. * src/atomic_ops/sysdeps/msftc/x86_64.h: Remove _Interlocked prototypes (since they are always declared in intrin.h). * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_nop_full): Move its definition below CAS primitive (to textually group all asm-based primitives together). * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_test_and_set_full): Implement for AO_ASM_X64_AVAILABLE case. * src/atomic_ops/sysdeps/msftc/x86_64.h: Remove AO_CASDOUBLE_MISSING macro (replaced with AO_ASM_X64_AVAILABLE). * src/atomic_ops/sysdeps/msftc/x86_64.h (AO_compare_double_and_swap_double_full): Add intrinsic-based implementation for VC++ v9+. * src/atomic_ops/sysdeps/standard_ao_double_t.h: Include (and use "__m128" type) if _WIN64. * src/atomic_ops/sysdeps/standard_ao_double_t.h (AO_HAVE_DOUBLE_PTR_STORAGE): Define it always (as "double_ptr_storage" is defined for all cases). 2009-09-09 Hans Boehm (Really mostly Patrick Marlier) * src/atomic_ops/sysdeps/gcc/sparc.h (NO_SPARC_V9): Renamed to AO_NO_SPARC_V9. 2009-09-01 Hans Boehm (Really mostly Patrick Marlier) * src/atomic_ops/sysdeps/gcc/sparc.h (AO_test_and_set_full): Use AO_TS_VAL_t for "oldval" (for 64-bit support). * src/atomic_ops/sysdeps/gcc/sparc.h (AO_compare_and_swap_full): New function implemented. 2009-08-12 Hans Boehm (Really Ivan Maidanski) (diff107_cvs, resembling diff78 and diff88_cvs) * src/atomic_ops/sysdeps/sunc/x86.h: New file. * src/atomic_ops/sysdeps/sunc/x86_64.h: Ditto. * src/atomic_ops.h (AO_INLINE): Support inlining for DigitalMars, Watcom, Sun C. * src/atomic_ops.h (AO_compiler_barrier): Use intrinsic-based implementation for VC++ v8+ (include before it unless WinCE target); use asm-based barrier implementation for Borland, DigitalMars and Watcom. * src/atomic_ops.h: Fix comment (for x86_64). * src/atomic_ops.h: Include specialized x86.h and x86_64.h arch headers for Sun C (if not AO_USE_PTHREAD_DEFS). * src/atomic_ops.h: Include VC-specific arch headers for Borland, DigitalMars and Watcom (Win32 target only). 2009-05-27 Hans Boehm (Really Ivan Maidanski) (diff87_cvs, resembling diff29, diff68, diff78 partly) * doc/README.txt: Remove outdated info about Windows support. * src/atomic_ops/generalize.h (AO_nop_full): Replace K&R-style function definition with ANSI C one. * src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/gcc/alpha.h (AO_nop_full, AO_nop_write): Ditto. * src/atomic_ops/sysdeps/gcc/arm.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/gcc/ia64.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/gcc/mips.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_nop_full, AO_lwsync): Ditto. * src/atomic_ops/sysdeps/gcc/x86.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/generic_pthread.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/hpc/ia64.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/icc/ia64.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/ordered.h (AO_nop_full): Ditto. * src/atomic_ops/sysdeps/ordered_except_wr.h (AO_nop_write): Ditto. * src/atomic_ops/sysdeps/read_ordered.h (AO_nop_read): Ditto. * src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h (AO_TS_val): Fix comment. 2009-02-24 Hans Boehm (Really primarily Earl Chew) * src/atomic_ops/sysdeps/gcc/powerpc.h: Add index, update modifiers to asms, refine clobbers to "cr0", use cr0 instead of cr7, add explicit AO_fetch_and_add, add UNTESTED 64 bit support. 2008-11-10 Hans Boehm (Really Joerg Wagner) * src/atomic_ops/sysdeps/armcc/arm_v6.h: Compute AO_compare_and_swap value differently, add AO_compare_double_and_swap_double, some indentation fixes. * src/atomic_ops/sysdeps/gcc/arm.h: Make gcc asm code more robust and minimize clobbers, Add AO_compare_double_and_swap_double. 2008-11-06 Hans Boehm * INSTALL: Add some platform-specific documentation. * src/Makefile.msft: Fix copyright notice. 2008-10-21 Hans Boehm (really Ivan Maidanski) * src/atomic_ops/sysdeps/aligned_atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/all_aligned_atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/all_atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/char_atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/gcc/arm.h: Fix comments. * src/atomic_ops/sysdeps/gcc/x86.h: Fix comments. * src/atomic_ops/sysdeps/gcc/x86_64.h: Fix comments. * src/atomic_ops/sysdeps/hpc/hppa.h: Fix comments. * src/atomic_ops/sysdeps/hpc/ia64.h: Fix comments. * src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/int_atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h: Fix comments. * src/atomic_ops/sysdeps/short_atomic_load_store.h: Fix comments. * src/atomic_ops.c: Fix comments. * src/atomic_ops.h: Fix comments. * src/atomic_ops_stack.c: Fix comments. * src/atomic_ops_stack.h: Fix comments. 2008-10-20 Hans Boehm (really Andrew Agno) * src/atomic_ops/sysdeps/gcc/x86_64.h (AO_int_fetch_and_add_full): fix return type. 2008-08-21 Hans Boehm * config.guess, config.sub, configure: Regenerate/replace. Use autoconf 2.61, automake 1.9.6. 2008-08-19 Hans Boehm (really Thiemo Seufer) * src/atomic_ops/sysdeps/gcc/powerpc.h: Add %U1 (update) to lwz instruction. 2008-08-19 Hans Boehm (really Sebastian Siewior) * src/atomic_ops/sysdeps/gcc/powerpc.h: Consider __NO_LWSYNC__. 2008-07-24 Hans Boehm (really Ivan Maidanski) * src/atomic_ops/sysdeps/ao_t_is_int.h, src/atomic_ops.h: Add parentheses around addr arg for various functions. 2008-07-18 Hans Boehm * src/atomic_ops/sysdeps/gcc/powerpc.h: Add const to first parameter of load calls (forgot one). 2008-07-18 Hans Boehm * doc/README.txt, src/atomic_ops/generalize.h, src/atomic_ops/generalize-small.template, src/atomic_ops/generalize-small.h, src/atomic_ops/sysdeps/acquire_release_volatile.h, src/atomic_ops/sysdeps/char_acquire_release_volatile.h, src/atomic_ops/sysdeps/int_acquire_release_volatile.h, src/atomic_ops/sysdeps/short_acquire_release_volatile.h, src/atomic_ops/sysdeps/aligned_atomic_load_store.h, src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h, src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h, src/atomic_ops/sysdeps/ao_t_is_int.h, src/atomic_ops/sysdeps/atomic_load_store.h, src/atomic_ops/sysdeps/char_atomic_load_store.h, src/atomic_ops/sysdeps/int_atomic_load_store.h, src/atomic_ops/sysdeps/short_atomic_load_store.h, src/atomic_ops/sysdeps/generic_pthread.h, src/atomic_ops/sysdeps/read_ordered.h, src/atomic_ops/sysdeps/sysdeps/armcc/arm_v6.h, src/atomic_ops/sysdeps/gcc/arm.h, src/atomic_ops/sysdeps/icc/ia64.h, src/atomic_ops/sysdeps/ibmc/powerpc.h: Add const to first parameter of load calls. 2008-07-10 Hans Boehm * src/atomic_ops/sysdeps/gcc/m68k.h: Remove SMP-unsafe AO_or_full, and let it be autogenerated instead. 2008-07-03 Hans Boehm (Really Thiemo Seufer) * src/atomic_ops/sysdeps/gcc/mips.h: Really add mips support, fixing a merge accident. 2008-05-30 Hans Boehm (Really from various Debian contributors) * doc/Makefile.in, src/Makefile.in, src/atomic_ops/Makefile.in: Regenerate. 2008-05-30 Hans Boehm (Really from various Debian contributors) * src/atomic_ops.h, src/atomic_ops/sysdeps/Makefile.am, src/atomic_ops/sysdeps/gcc/mips.h: Add mips support. * src/atomic_ops/sysdeps/gcc/m68k.h: Make test_and_set work on char, align AO_t. Add cas, or. * src/atomic_ops/sysdeps/gcc/s390.h: Fix include paths. * src/atomic_ops/generalize.h: Fix AO_compare_and_swap_double_acquire. * Makefile.in, aclocal.m4, src/atomic_ops/sysdeps/Makefile.in, tests/Makefile.in: Regenerate. 2008-02-11 Hans Boehm (Really Ian Wienand & Debian maintainers) * src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_double_and_swap_double_full): Correctly account for ebx usage with PIC. 2008-01-09 Hans Boehm * src/atomic_ops/sysdeps/standard_ao_double_t.h: Let double_ptr_storage default to long long; define everywhere. 2008-01-08 Hans Boehm (Really mostly Joerg Wagner) * src/atomic_ops/sysdeps/msftc/x86.h: Conditionally add compare_double_and_swap_double. 2008-01-06 Hans Boehm (Really mostly Joerg Wagner) * src/atomic_ops/generalize.h: Add test_and_set generalizations, Add AO_double_compare_and_swap generalizations. * src/atomic_ops/sysdeps/armcc/arm_v6.h: New file. * src/atomic_ops/sysdeps/gcc/arm.h: Handle V6 and V7. * src/atomic_ops/sysdeps/gcc/x86.h, src/atomic_ops/sysdeps/{gcc,msftc}/x86_64.h: Conditionally add compare_double_and_swap_double, commented out for msftc. * src/atomic_ops/sysdeps/standard_ao_double_t.h: Add double_ptr_storage field. 2008-01-03 Hans Boehm (Merge from separate atomic_ops tree) * src/atomic_ops/sysdeps/gcc/x86.h: Define correct macro for double-width cas, and fix its implementation. * doc/README.txt: Clarify use of _full. Add more warnings about data dependencies. 2008-01-02 Hans Boehm * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_load_acquire): Add %X1 modifier to support indexed addressing. 2007-07-23 Hans Boehm (really Jim Marshall) * src/atomic_ops/sysdeps/msftc/x86.h (_InterlockedExchangeAdd): Define for VC++6. 2007-07-05 Andreas Tobler * src/atomic_ops.h: Check for __powerpc64__ and __ppc64__ to include powerpc.h. 2007-06-26 Hans Boehm (really Luca Barbato) * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_load_acquire): Add 64-bit version. 2007-06-13 Hans Boehm * src/atomic_ops.h: include stddef.h 2007-06-06 Hans Boehm * src/atomic_ops/sysdeps/msftc/x86_64.h: New file. * src/atomic_ops.h: Add test for msftc/x86_64.h. * src/atomic_ops/sysdeps/msftc/x86.h: Complain for _WIN64. * src/atomic_ops/sysdeps/Makefile.am: Add x86_64.h. * src/atomic_ops/sysdeps/Makefile.in: Regenerate. * src/atomic_ops/sysdeps/aligned_atomic_load_store.h, src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h, src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h: Replace unsigned long cast with size_t. 2007-05-17 Hans Boehm * src/atomic_ops/sysdeps/gcc/hppa.h (AO_test_and_set_full): Add cast for return. 2007-05-14 Hans Boehm * doc/README.txt: Update to reflect C++0x effort. 2007-05-07 Hans Boehm (with help from Philipp Zambelli) * src/atomic_ops/sysdeps/msftc/x86.h: Don't just assume that mfence is present. * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set_full): Correct oldval type. 2006-11-09 Earl Chew (Agilent) * msftc/x86.h: Follow Microsoft documentation and include windows.h. [1.2 release] 2006-07-11 Hans Boehm * src/atomic_ops/sysdeps/hpc/ia64.h: Fix typos. 2006-03-28 Earl Chew (Agilent) * src/atomic_ops/sysdeps/gcc/powerpc.h: Remove unused variable cr. * src/atomic_ops/sysdeps/msftc/x86.h: Use new intrinsics available in MSVC 2003 and MSVC 2005. Use inline assembler to generate mfence and byte sized xchg Use correct prototype for InterlockedCompareExchange. * src/atomic_ops.h: Add test for __PPC__ . * tests/run_parallel.inc: Add simple VxWorks support. * tests/test_atomic.c, tests/test_atomic_include.h: Add prototypes to silence compiler warnings. 2006-11-13 Hans Boehm * src/atomic_ops/sysdeps/gcc/powerpc.h: Beginnings of 64 bit support. * src/atomic_ops/sysdeps/gcc/x86.h: Use "=q" for AO_test_and_set_full. 2005-11-04 Hans Boehm * src/atomic_ops/sysdeps/gcc/ia64.h: Include all_acquire_release_volatile.h, instead of just the pointer-sized version. * src/atomic_ops/sysdeps/gcc/ia64.h: Include all_acquire_release_volatile.h and all_atomic_load_store.h, instead of just the pointer-sized versions. [1.1 release] 2005-09-27 Hans Boehm * src/atomic_ops.h: Define AO_CAN_EMUL_CAS for arm. * src/atomic_ops/sysdeps/read_ordered.h: New file, extracted from ordered_except_wr.h. * src/atomic_ops/sysdeps/ordered_except_wr.h: include read_ordered.h instead of duplicating it. * src/atomic_ops/sysdeps/gcc/arm.h: Include read_ordered.h. 2005-09-16 Hans Boehm * src/atomic_ops/sysdeps/gcc/arm.h: Replace the AO_test_and_set definition with one that might actually work. (Thanks to Kazu Hirata and Paul Brook.) 2005-08-01 Hans Boehm * src/atomic_ops/Makefile.am: Change function naming from "byte" to "char" (again). [1.0 release] 2005-03-21 Hans Boehm Fix various acquire_release_volatile.h files to reflect the fact that both icc and gcc seem to reorder ordinary memory accesses around volatile accesses early in the compilation. Modify the acquire release test to catch this problem (with high probability, and only on a multiprocessor). 2005-03 Hans Boehm Fixes for recently introduced bugs. Update x86 and x86-64 assembly syntax to deal with complaints by some recent gcc versions. 2005-02 Hans Boehm Added libatomic_ops_gpl library with support for mostly lock-free stack and malloc(). 2005-01 Ian Wienand , Al Stone , Hans Boehm Use autoconf, automake, starting with code from Debian package. Don't use libtool. 2005-01 Hans Boehm * test_and_set_t_is_ao_t.h, test_and_set_t_is_char.h, others: Change most platforms to use byte-wide test-and-set locations. 2005-01 Hans Boehm * ao_t_is_int.h: Add to trivially support int-wide operations on platforms with int-sized pointers. 2004-12 Hans Boehm * gcc/powerpc.h: First serious attempt to support PowerPC (with help from Maged Michael and others). 2004-12 Hans Boehm * sunc/sparc.[hS]: Added minimal support for the Sun SPARC compiler. * atomic_ops_sysdeps.S: Add support for platforms that require out-of-line assembly code. 2004-10 Hans Boehm More work on char, short, int sized data. Add both compare_double_and_swap_double and compare_and_swap_double. Typically each platform will provide at most one of these. 2004-07-02 Ranko Zivojnovic Replace both instances of AO_HAVE_NOP_FULL with AO_HAVE_nop_full. 2004-06 Hans Boehm Start to add atomic_ops primitives for different sized data. 2003-12-18 Hans Boehm * atomic_ops/sysdeps/acquire_release_volatile.h, atomic_ops.h: Fix support for ecc on IA64. Remove compiler_barrier workaround for gcc 3.4 and later. 2003-12-17 Hans Boehm * atomic_ops/sysdeps/hpc/{ia64.h,hppa.h}, atomic_ops/sysdeps/msftc/x86.h, Makefile, Makefile.atomic_ops, Makefile.atomic_ops.msft, atomic_ops.h: Add initial support for atomic_ops for VC++/Windows/X86 and HP/UX with the HP compiler on PA_RISC and IA64. 2003-12-09 Hans Boehm * many: Install under "atomic_ops" instead of "ao". Change atomic_ops include file structure. Auxiliary include files are all under include/atomic_ops. Fix (hopefully) "make dist" in atomic_ops distribution. Renamed various types to end in _t, though the old versions are still defined for backward compatibility. 2003-12-08 Carlos O'Donell * ao_sysdeps/gcc/hppa.h: Define AO_CLEAR macro. Change AO_pa_clearable_loc type. Add __ldcw, and __ldcw_align helper macros. AO_test_and_set_full uses helper macros. Started sometime after version 0.4 release. Currently the format is informal. Eventually should become more GNU-like.