Fix asm constraint of compare_and_swap for clang-3.1/mips
(Apply commit 3e4c369 from 'master' branch.)

* src/atomic_ops/sysdeps/gcc/mips.h (AO_compare_and_swap): Use "+m"
asm constraint for *addr instead of "+R" (the letter is unsupported
by clang3.1 resulting in "invalid output constraint in asm" error).

Conflicts:

    src/atomic_ops/sysdeps/gcc/mips.h

Update ChangeLog

Fix (remove) invalid include of read_ordered.h for ARM
(fix commit 2df9c1e partially)

* src/atomic_ops/sysdeps/gcc/arm.h: Do not include read_ordered.h
(because load_acquire should contain a DMB instruction in a multi-core
case, new load_acquire/read primitives implementation is generalized
using nop_full/read which either contain a DMB instruction, or is just
a compiler barrier for uniprocessor).
* src/atomic_ops/sysdeps/armcc/arm_v6.h: Likewise.
* src/atomic_ops/sysdeps/msftc/arm.h: Likewise.

Revert "Fix read_ordered.h inclusion for ARM"
(because it makes load_acquire/read incorrect for multi-core ARM)

This reverts commit 53f2152e00d4bf7d395f9de408c71ee2aa9a9bc4.

Update ChangeLog

Fix README regarding _acquire_read barrier

* doc/README.txt (_acquire_read): Add information about memory
barrier (similar as in atomic_ops.h).
* doc/README.txt (_release_read): Remove information about
non-existing barrier.

Fix a typo in ao_t_is_int.h comment

* src/atomic_ops/sysdeps/ao_t_is_int.h: Fix a typo in comment.

Fix return type of AO_int_X primitives defined in ao_t_is_int header
(Apply commit 3e9fc4f from 'add-dbl-load-store' branch.)

* src/atomic_ops/sysdeps/ao_t_is_int.h
(AO_int_load_acquire, AO_int_fetch_and_add_full,
AO_int_fetch_and_add1_acquire, AO_int_fetch_and_add1_release,
AO_int_fetch_and_sub1_acquire, AO_int_fetch_and_sub1_release): Cast
result to unsigned int instead of signed int.

Conflicts:

    src/atomic_ops/sysdeps/ao_t_is_int.h

Fix ordered_except_wr header inclusion for s390

* src/atomic_ops/sysdeps/gcc/s390.h: Move include of
ordered_except_wr.h down to be after all_aligned_atomic_load_store.h
inclusion (since the latter defines AO_X_load/store primitives used by
the former header).

Fix read_ordered.h inclusion for ARM

* src/atomic_ops/sysdeps/armcc/arm_v6.h: Move include of read_ordered.h
down to the end of the file to be after AO_load/store definition
(since read_ordered.h depends on these primitives).
* src/atomic_ops/sysdeps/gcc/arm.h: Likewise.
* src/atomic_ops/sysdeps/msftc/arm.h: Likewise.

Conflicts:

src/atomic_ops/sysdeps/armcc/arm_v6.h
src/atomic_ops/sysdeps/gcc/arm.h
src/atomic_ops/sysdeps/msftc/arm.h

Fix a typo in comment in msftc/arm.h

* src/atomic_ops/sysdeps/msftc/arm.h: Fix a typo in comment (about
SWP).

.gitignore: Ignore .gch files

Update ChangeLog

Fix return type of AO_char/short/int_load_read() in read_ordered.h

* src/atomic_ops/sysdeps/read_ordered.h (AO_char_load_read,
AO_short_load_read, AO_int_load_read): Change return type (and the
type of "result" local variable) from AO_t to the type matching the
name of the function (i.e., unsigned char/short/int, respectively).

Fix missing compiler barrier in AO_nop_full for uniprocessor ARM
(Apply commit b78058a from 'add-dbl-load-store' branch.)

* src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_nop_full): Insert
AO_compiler_barrier for AO_UNIPROCESSOR case.
* src/atomic_ops/sysdeps/gcc/arm.h (AO_nop_full): Likewise.
* src/atomic_ops/sysdeps/msftc/arm.h (AO_nop_full): Likewise.
* src/atomic_ops/sysdeps/msftc/arm.h (AO_nop_full): Refine comment.

Conflicts:

src/atomic_ops/sysdeps/msftc/arm.h

Regenerate Makefile.in; update ChangeLog

Fix template-based headers regeneration order in src/Makefile

* src/atomic_ops/Makefile.am (BUILT_SOURCES): Define to force
regeneration of generalize-small.h (if the corresponding
source template is changed) before compilation of .c files (that use
atomic_ops.h).

Conflicts:

    src/Makefile.am

Update ChangeLog

Fix generalize-small template adding missed CAS-based fetch_and_add

* src/atomic_ops/generalize-small.template (AO_XSIZE_fetch_and_add):
Add missed definition based on CAS.
* src/atomic_ops/generalize-small.h: Regenerate.

Fix AO_XSIZE_load/store definition order in generalize-small template

* src/atomic_ops/generalize-small.template (AO_XSIZE_load): Move
definition (which is based on AO_XSIZE_load_acquire) down to be after
AO_XSIZE_load_acquire definition.
* src/atomic_ops/generalize-small.template (AO_XSIZE_store): Move
definition (which is based on AO_XSIZE_store_release) down to be after
AO_XSIZE_store_release definition.
* src/atomic_ops/generalize-small.h : Regenerate.

Update ChangeLog

Fix variable type to match printf format specifier in test_stack

* tests/test_stack.c (run_one_test): Change type of "index" local
variable from long to int to match printf format specifier (when
VERBOSE defined); cast from "arg" pointer to integer via size_t (to
avoid 64-bit compiler warning).

Update ChangeLog

Properly fix compare_double_and_swap_double for gcc/x32 (use built-in CAS)
(Apply commit cbe517e from 'master' branch.)

* src/atomic_ops/sysdeps/gcc/x86.h (AO_double_compare_and_swap_full):
New function (only if __x86_64__) implemented using GCC built-in
__sync CAS primitive available for x32.
* src/atomic_ops/sysdeps/gcc/x86.h
(AO_HAVE_double_compare_and_swap_full): New macro (for x32 only).
* src/atomic_ops/sysdeps/gcc/x86.h
(AO_compare_double_and_swap_double_full): Implement using
double_compare_and_swap_full instead of cmpxchg8b for x32 (since
x86_64 has cmpxchg and cmpxchg16b but not cmpxchg8b).

Conflicts:

    src/atomic_ops/sysdeps/gcc/x86.h

Fix double_ptr_storage definition for gcc/x32
(Apply commit 9957645 from 'master' branch.)

* src/atomic_ops/sysdeps/standard_ao_double_t.h (double_ptr_storage):
Define as "unsigned long long" instead of __m128 for gcc/x32 (i.e.,
ILP32 on x86_64); update and reformat comment.

Conflicts:

    src/atomic_ops/sysdeps/standard_ao_double_t.h

Fix compare_double_and_swap_double_full for gcc/x32

* src/atomic_ops.h: Include gcc/x86.h instead of gcc/x86_64.h if
gcc/x32 (i.e., GCC (or Intel compiler), __x86_64__ is defined, and
__ILP32__ is defined) to have AO_compare_double_and_swap_double_full
defined properly (based on cmpxchg8b); explicitly define
AO_USE_PENTIUM4_INSTRS for gcc/x32.
* src/atomic_ops/sysdeps/gcc/x86_64.h: Remove ILP32-specific code
(AO_T_IS_INT definition).

Fix typos in atomic_ops.h comments

* src/atomic_ops.h: Fix typos in comments (update generalize.h
filename).

.gitignore: Ignore .dll, .so files and pthreads-w32* library folder
(Apply commit 4692f84 from 'master' branch.)

Conflicts:

    .gitignore

Fix AO_pause sleep delay for particular argument values (Win32)

* src/atomic_ops.c (AO_pause): Fix millis value (passed to Win32
Sleep) for the case of 'n' argument in range between 12 and 21,
inclusive if AO_USE_WIN32_PTHREADS (sleep for 1 ms in this case).
* src/atomic_ops_stack.c (AO_pause): Evaluate 'msecs' value using the
same algorithm as in atomic_ops.c (Win32 only).

Fix visibility and initial value of 'dummy' variable in atomic_ops_stack

* src/atomic_ops_stack.c (dummy): Define as static (to make symbol
without AO_ prefix visible only within this file); initialize to 1
(same as in atomic_ops.c, so that AO_spin would never really alter
its value).

Fix AO_load primitive name in comment

* src/atomic_ops.h: Fix 'load' primitive name in comment (replace
AO_load_release_read with AO_load_acquire_read).

Fix compare_double_and_swap_double_full definition condition in emul_cas

* src/atomic_ops/sysdeps/emul_cas.h
(AO_compare_double_and_swap_double_full): Test (define if)
AO_HAVE_compare_double_and_swap_double_full macro instead of
AO_HAVE_compare_double_and_swap_double.

Fix cmpxchg16b-based compare_double_and_swap_double for SunCC/x86_64

* src/atomic_ops/sysdeps/sunc/x86_64.h
(AO_compare_double_and_swap_double_full): Fix inline assembly
arguments commenting out "m"(*addr) one (similar to that in
sunc/x86.h) if AO_CMPXCHG16B_AVAILABLE defined.

Merge branch 'libatomic_ops-7_2-hotfix-2' into release-7_2

Update (regenerate) configure files; update ChangeLog

* configure: Regenerate (by autoreconf -vif using autoconf-2.68,
automake-1.11.3 and libtool-2.4.2).
* INSTALL: Likewise.
* Makefile.in: Likewise.
* aclocal.m4: Likewise.
* compile: Likewise.
* config.guess: Likewise.
* config.sub: Likewise.
* depcomp: Likewise.
* doc/Makefile.in: Likewise.
* install-sh: Likewise.
* missing: Likewise.
* src/Makefile.in: Likewise.
* src/atomic_ops/Makefile.in: Likewise.
* src/atomic_ops/sysdeps/Makefile.in: Likewise.
* tests/Makefile.in: Likewise.

Update ChangeLog

Fix a typo in comment of compare_double_and_swap_double (x86_64)

* src/atomic_ops/sysdeps/gcc/x86_64.h
(AO_compare_double_and_swap_double_full): Fix a typo in comment.
* src/atomic_ops/sysdeps/sunc/x86_64.h
(AO_compare_double_and_swap_double_full): Likewise.

Update ChangeLog

Terminate tests with abort after error reported
(Apply commit ebaf32f from 'master' branch)

* tests/test_atomic.c (acqrel_thr): Call abort() after fprintf(stderr).
* tests/test_malloc.c (run_one_test): Likewise.
* tests/test_stack.c (check_list, main): Likewise.

Conflicts:

    tests/test_atomic.c
    tests/test_stack.c

Update ChangeLog

Fix compare_double_and_swap_double for clang/x86 in PIC mode

* src/atomic_ops/sysdeps/gcc/x86.h
(AO_compare_double_and_swap_double_full): Re-implement for PIC mode
saving EBX to a local variable (instead of pushing it to stack) and
saving memory operand address to a register (edi which is manually
preserved), so that the whole code could also work even if EBX points
to memory operand (e.g., in Clang); test __PIC__ using ifdef (instead
of "if"); update comments; reformat code.

[7.2d]

Change version in README to 7.2d; update ChangeLog

Merge branch 'libatomic_ops-7_2-hotfix-1' into release-7_2

Update ChangeLog

Fix AO_compiler_barrier missing parentheses

* src/atomic_ops.h (AO_compiler_barrier): Add parentheses and cast to
void.

Update (regenerate) config.guess and config.sub; update ChangeLog

* config.guess: Regenerate (by autoreconf -vif using autoconf-2.68,
automake-1.11.1 and libtool-2.4).
* config.sub: Likewise.

Update ChangeLog

Fix AO_compare_double_and_swap_double_full for gcc-4.2.1/x86 in PIC mode

* 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.

Update ChangeLog

Fix generalized AO_char/short_fetch_and_add CTYPE args
(fix missing 'unsigned' for generalized fetch_and_add primitives)

* 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 arguments (or local variables) by adding
'unsigned' to XCTYPE.
* src/atomic_ops/generalize-small.h: Regenerate.

[7.2]

Bump libatomic_ops version to 7.2 (final)

* configure.ac, README: Bump version to 7.2 (final).
* configure: Regenerate.
* ChangeLog: Update.

Update ChangeLog

Define AO_T_IS_INT for x32

* src/atomic_ops/sysdeps/gcc/x86_64.h (AO_T_IS_INT): Defined
for x32.

Update ChangeLog

Fix for x32 by removing 'q' suffix in x86-64 instructions
(Apply commit 711f7fe from 'master' branch)

We do not need the 'q' suffix on x86_64 atomic instructions for AO_t
which is defined as "unsigned long"; the later is 32-bit for x32
and 64-bit for x86-64; the register operand in x86-64 atomic
instructions is sufficient to properly determine the register size.

* 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,
AO_fetch_compare_and_swap_full): Remove 'q' suffix in asm instruction.

Regenerate configure; update ChangeLog

Fix configure to define __PIC__ macro explicitly only if not done by GCC
(Apply commit 058dd11 from 'master' branch)

* 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.

Update ChangeLog

Fix double_ptr_storage definition for GCC pre-v4 (x86_64)

* 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).

Fix a typo in comment in standard_ao_double_t.h

Regenerate configure, Makefile.in; update ChangeLog

Add -uninstalled pkg-config file, move them to pkgconfig/.
(Apply commit 8e6f271 from 'master' branch)

* 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.

Add atomic_ops.pc.
(Apply commit 5757ba9 from 'master' branch)

* 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.

Update ChangeLog

Fix AO_compare_double_and_swap_double_full for gcc/x86 (PIC mode)

* 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.

Fix AO_stack_push_release to workaround bug in clang-1.1/x86

* 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.

Fix a typo in comment

* 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.

Update ChangeLog

Fix a typo in comment
(Apply commit 529f91a from 'master' branch)

* src/atomic_ops_malloc.h (AO_malloc_enable_mmap): Fix a typo in the
comment.

Update ChangeLog

Change function prototype specifications to follow strict ANSI C style

* tests/test_atomic.c (main): Put "void" keyword into the arguments
specification of the function prototype.
* tests/test_stack.c (main): Likewise.

.gitignore: Ignore config.cache

Update ChangeLog

Fix __ARM_ARCH_5__ macro handling for Android NDK (ARMv7)

* 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.

.gitignore: Ignore Gcov files (.gcda, .gcno)

.gitignore: Ignore binary files (.a, .exe, .o, etc.) in all folders

Instruct Git to ignore 'tests/core' file
(Apply commit f2eef23)

Merge branch 'hotfix-7_2a6-4' into release

Update ChangeLog

Fix generalization for IA-64, Hexagon (include generalize.h before
ao_t_is_int.h to have AO_or, AO_..._read/write and some other
int-derived primitives got defined)

* 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.

Update ChangeLog

Fix generalized AO_<type>_fetch_and_add() return type

* 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.

Update ChangeLog

Fix AO_compare_and_swap_full (GCC MIPS, PowerPC) returned value type

* 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.

Regenerate test_atomic_include.h; update ChangeLog

Fix test_atomic_include for the case of missing CAS primitive

* tests/test_atomic_include.template (test_atomicXX): Add action for
the missing AO_compare_and_swap primitive.

Update ChangeLog

Fix compiler warning in atomic_ops.c (define 'init_lock' only if used)

* src/atomic_ops.c (init_lock): Define only unless AO_USE_NO_SIGNALS.

Update ChangeLog

Fix a typo in doc/README.txt

Fix AO_compare_and_swap (gcc/alpha.h) to suppress compiler warning

* src/atomic_ops/sysdeps/gcc/alpha.h (AO_compare_and_swap): Cast
returned value to int.

Apply hotfix-7_2a6-3 to the current release

Regenerate Makefile.in; update ChangeLog

Implement the basic atomic primitives for the hexagon CPU.
(Apply commit 9136ee6)

* 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.

Fix AO_test_and_set_full on m68k

* src/atomic_ops/sysdeps/gcc/m68k.h (AO_test_and_set_full): Cast the
returned value.

Fix AO_compare_and_swap() return type for s390 and PowerPC

* 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.

Update ChangeLog

Do not put dummy AO_non_posix_impl... symbol to executables.

* src/atomic_ops.c
(AO_non_posix_implementation_is_entirely_in_headers): Make external.

Apply hotfix-7_2a6-2 to the current release

Regenerate configure, test_atomic_include.h; update ChangeLog