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gnu/gcc/bfedd20faaab8ee827db47c1b2e3f879fd8ba808/./libatomic/ChangeLog
blob: a1c26f77df1d00bbb84fbe7e2f44b9f29c4de8f2 [file]
2026-06-29 Pietro Monteiro <pietro@sociotechnical.xyz>
PR bootstrap/103459
* acinclude.m4: Replace AC_ERROR with AS_MSG_ERROR. Replace AC_TRY_LINK
with AC_LINK_IFELSE. Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE.
Replace AC_HELP_STRING with AS_HELP_STRING. Replace
AC_TRY_RUN with AC_RUN_IFELSE.
* configure.ac: Replace AM_PROG_LIBTOOL with LT_INIT. Replace
AC_STDC_HEADERS with AC_HEADER_STDC.
2026-06-17 Muhammad Kamran <muhammad.kamran@arm.com>
* config/linux/aarch64/atomic_16.S (FEATURE_1_AND_MARK): Define.
Use AArch64 build attributes when __ARM_BUILDATTR64_FV is
available, otherwise emit a GNU property note.
2026-06-01 Dhruv Chawla <dhruvc@nvidia.com>
* config/mingw/lock.c: Fix typos.
* config/posix/lock.c: Likewise.
2026-05-30 Dhruv Chawla <dhruvc@nvidia.com>
* acinclude.m4: Fix typos.
* libatomic_i.h (__attribute__): Likewise.
* configure: Regenerate.
2026-05-05 Pietro Monteiro <pietro@sociotechnical.xyz>
* Makefile.in: Regenerate.
* acinclude.m4: Delete LIBAT_CHECK_ATTRIBUTE_VISIBILITY.
* aclocal.m4: Regenerate.
* configure: Likewise.
* configure.ac: Use GCC_CHECK_ATTRIBUTE_VISIBILITY instead of
LIBAT_CHECK_ATTRIBUTE_VISIBILITY.
* testsuite/Makefile.in: Regenerate.
2026-02-21 Jakub Jelinek <jakub@redhat.com>
* Makefile.am (all-local): Depend on stmp-libatomic and otherwise
do nothing.
(stmp-libatomic): New goal, move all commands from all-local here plus
touch $@ at the end.
* Makefile.in: Regenerate.
2026-01-30 Jakub Jelinek <jakub@redhat.com>
* Makefile.am (all-local, install-asneeded): Only create
libatomic_asneeded.so script if libatomic.so exist, only
create libatomic_asneeded.a symlink if libatomic.a exist.
* Makefile.in: Regenerate.
2026-01-19 Jakub Jelinek <jakub@redhat.com>
PR libgcc/123650
* Makefile.am (toolexeclib_DATA): Remove.
(all-local): For LIBAT_BUILD_ASNEEDED_SOLINK instead of installing
libatomic_asneeded.{so,a} from top_srcdir cd into the destination
directory, use echo to write libatomic_asneeded.so and $(LN_S) to
symlink libatomic_asneeded.a to libatomic.a.
(install-data-am): For LIBAT_BUILD_ASNEEDED_SOLINK depend on
install-asneeded.
(install-asneeded): New goal.
* libatomic_asneeded.so: Remove.
* libatomic_asneeded.a: Remove.
* Makefile.in: Regenerate.
2026-01-13 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/123396
* acinclude.m4 (LIBAT_BUILD_ASNEEDED_SOLINK): New AM_CONDITIONAL.
* libatomic_asneeded.so: New file.
* libatomic_asneeded.a: New file.
* Makefile.am (toolexeclib_DATA): Set if LIBAT_BUILD_ASNEEDED_SOLINK.
(all-local): Install those files into gcc subdir.
* Makefile.in: Regenerate.
* configure: Regenerate.
2025-12-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure: Regenerate.
2025-12-11 Mark Wielaard <mark@klomp.org>
* Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
2025-12-09 John Ericson <git@johnericson.me>
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* configure: Regenerate.
* configure.ac: Use GCC_AC_THREAD_MODEL instead of hand-rolled
* testsuite/Makefile.in: Regenerate.
2025-11-19 Martin Liska <martin.liska@hey.com>
* acinclude.m4: Add detection for wild linker.
* configure: Regenerate.
2025-11-13 Xi Ruoyao <xry111@xry111.site>
* configure.ac (ARCH_LOONGARCH): New AM_CONDITIONAL.
* Makefile.am (IFUNC_OPT): Separate the item from IFUNC_OPTIONS
to allow using multiple options for an ISA variant.
(libatomic_la_LIBADD): Add *_16_1_.lo for LoongArch.
(IFUNC_OPTIONS): Build *_16_1_.lo for LoongArch with -mlsx and
-mscq.
* configure: Regenerate.
* Makefile.in: Regenerate.
* configure.tgt (try_ifunc): Set to yes for LoongArch if the
compiler can produce lock-free 16B atomic with -mlsx -mscq.
* config/loongarch/host-config.h: Implement ifunc selector.
2025-11-03 Sam James <sam@gentoo.org>
* configure: Regenerate.
2025-10-09 Prathamesh Kulkarni <prathameshk@nvidia.com>
Matthew Malcolmson <mmalcolmson@nvidia.com>
PR driver/81358
* Makefile.am: Pass -fno-link-libatomic.
New rule all-local.
* configure.ac: Assert that CFLAGS is set and pass -fno-link-libatomic.
Use __libatomic_save_CFLAGS__ instead of save_CFLAGS.
* Makefile.in: Regenerate.
* configure: Regenerate.
2025-10-05 Sam James <sam@gentoo.org>
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* configure: Regenerate.
* testsuite/Makefile.in: Regenerate.
2025-07-31 Yury Khrustalev <yury.khrustalev@arm.com>
* config/linux/aarch64/host-config.h (__ifunc_arg_t):
Remove sys/ifunc.h and add new fields _hwcap3 and _hwcap4.
2025-05-22 Alexandre Oliva <oliva@adacore.com>
* configure.tgt: Set partial_libatomic on *-*-vxworks*.
* configure.ac (PARTIAL_VXWORKS): New AM_CONDITIONAL.
* Makefile.am (libatomic_la_SOURCES): Select few sources for
PARTIAL_VXWORKS.
* configure, Makefile.in: Rebuilt.
2025-05-09 David Malcolm <dmalcolm@redhat.com>
PR other/116792
* testsuite/lib/libatomic.exp: Add load_lib of scanhtml.exp.
2025-04-16 Jakub Jelinek <jakub@redhat.com>
PR libgcc/101075
PR libgcc/119796
* config/mingw/lock.c (libat_lock_n, libat_unlock_n): Start with
computing how many locks will be needed and take into account
((uintptr_t)ptr % WATCH_SIZE). If some locks from the end of the
locks array and others from the start of it will be needed, first
lock the ones from the start followed by ones from the end.
2025-04-16 Jakub Jelinek <jakub@redhat.com>
PR libgcc/101075
PR libgcc/119796
* config/posix/lock.c (libat_lock_n, libat_unlock_n): Start with
computing how many locks will be needed and take into account
((uintptr_t)ptr % WATCH_SIZE). If some locks from the end of the
locks array and others from the start of it will be needed, first
lock the ones from the start followed by ones from the end.
2025-01-10 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/linux/aarch64/host-config.h (has_lse2): Cleanup.
(has_lse128): Likewise.
(has_rcpc3): Add early check for LSE2.
2024-12-18 Prathamesh Kulkarni <prathameshk@nvidia.com>
Revert:
2024-12-18 Prathamesh Kulkarni <prathameshk@nvidia.com>
Matthew Malcolmson <mmalcolmson@nvidia.com>
PR driver/81358
* Makefile.am: Pass -fno-link-libatomic.
New rule all.
* configure.ac: Assert that CFLAGS is set and pass -fno-link-libatomic.
* Makefile.in: Regenerate.
* configure: Regenerate.
2024-12-18 Prathamesh Kulkarni <prathameshk@nvidia.com>
Matthew Malcolmson <mmalcolmson@nvidia.com>
PR driver/81358
* Makefile.am: Pass -fno-link-libatomic.
New rule all.
* configure.ac: Assert that CFLAGS is set and pass -fno-link-libatomic.
* Makefile.in: Regenerate.
* configure: Regenerate.
2024-11-18 David Malcolm <dmalcolm@redhat.com>
* testsuite/lib/libatomic.exp: Add
"load_gcc_lib dg-test-cleanup.exp".
2024-11-14 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/linux/aarch64/atomic_16.S (FEATURE_1_GCS): Define.
(GCS_FLAG): Define if GCS is enabled.
(GNU_PROPERTY): Add GCS_FLAG.
2024-09-02 Alex Coplan <alex.coplan@arm.com>
* testsuite/lib/libatomic.exp: Load scanltrans.exp instead of
scanltranstree.exp.
2024-07-18 mayshao <mayshao-oc@zhaoxin.com>
PR target/104688
* config/x86/init.c (__libat_feat1_init): Don't clear
bit_AVX on ZHAOXIN CPUs.
2024-07-18 Uros Bizjak <ubizjak@gmail.com>
* config/x86/init.c (__libat_feat1_init): Check the result of
__get_cpuid and process FEAT1_REGISTER only when __get_cpuid
returns success. Use __cpuid instead of nested __get_cpuid.
2024-06-25 Victor Do Nascimento <victor.donascimento@arm.com>
* config/linux/aarch64/atomic_16.S (libat_load_16): Add LRCPC3
variant.
(libat_store_16): Likewise.
* config/linux/aarch64/host-config.h (HWCAP2_LRCPC3): New.
(LSE2_LRCPC3_ATOP): Previously LSE2_ATOP. New ifuncs guarded
under it.
(has_rcpc3): New.
2024-06-12 Victor Do Nascimento <victor.donascimento@arm.com>
* config/linux/aarch64/atomic_16.S: Reorganize functions in
file.
(HAVE_FEAT_LSE2): Delete.
2024-06-12 Victor Do Nascimento <victor.donascimento@arm.com>
* config/linux/aarch64/atomic_16.S: Remove unnecessary
aliasing.
(LSE): New.
(ENTRY_ALIASED): Likewise.
* config/linux/aarch64/host-config.h (LSE_ATOP): New.
(LSE2_ATOP): Likewise.
(LSE128_ATOP): Likewise.
(IFUNC_COND_1): Make its definition conditional on above 3
macros.
(IFUNC_NCOND): Likewise.
2024-06-12 Victor Do Nascimento <victor.donascimento@arm.com>
* cas_n.c (LAT_CAS_N): New.
* exch_n.c (LAT_EXCH_N): Likewise.
* fadd_n.c (LAT_FADD_N): Likewise.
* fand_n.c (LAT_FAND_N): Likewise.
* fence.c (LAT_FENCE): Likewise.
* fenv.c (LAT_FENV): Likewise.
* fior_n.c (LAT_FIOR_N): Likewise.
* flag.c (LAT_FLAG): Likewise.
* fnand_n.c (LAT_FNAND_N): Likewise.
* fop_n.c (LAT_FOP_N): Likewise
* fsub_n.c (LAT_FSUB_N): Likewise.
* fxor_n.c (LAT_FXOR_N): Likewise.
* gcas.c (LAT_GCAS): Likewise.
* gexch.c (LAT_GEXCH): Likewise.
* glfree.c (LAT_GLFREE): Likewise.
* gload.c (LAT_GLOAD): Likewise.
* gstore.c (LAT_GSTORE): Likewise.
* load_n.c (LAT_LOAD_N): Likewise.
* store_n.c (LAT_STORE_N): Likewise.
* tas_n.c (LAT_TAS_N): Likewise.
2024-06-12 Victor Do Nascimento <victor.donascimento@arm.com>
* acinclude.m4 (LIBAT_TEST_FEAT_AARCH64_LSE128): Delete.
* auto-config.h.in (HAVE_FEAT_LSE128): Likewise
* config/linux/aarch64/atomic_16.S: Replace all LSE128
instructions with equivalent `.inst' directives.
(HAVE_FEAT_LSE128): Remove all references.
* configure: Regenerate.
* configure.ac: Remove call to LIBAT_TEST_FEAT_AARCH64_LSE128.
2024-05-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR testsuite/115294
* testsuite/lib/libatomic.exp (libatomic_target_compile): Pass new
dg-additional-files-options args.
2024-05-07 Zac Walker <zacwalker@microsoft.com>
* configure.tgt: Add aarch64-w64-mingw32 target.
2024-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* Makefile.am [LIBAT_BUILD_VERSIONED_SHLIB_SUN]
(libatomic.map-sun): Pass $(libatomic_la_OBJECTS),
$(libatomic_la_LIBADD) to make_sunver.pl unmodified.
* Makefile.in: Regenerate.
2024-04-26 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/linux/aarch64/atomic_16.S: Add __libat_ prefix in the
LSE2/LSE128/CORE macros, remove elsewhere. Add ATOMIC macro.
2024-04-05 Jakub Jelinek <jakub@redhat.com>
* configure: Regenerate.
2024-04-04 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/113986
* Makefile.in: Regenerated.
* Makefile.am: Make atomic_16.S not depend on HAVE_IFUNC.
Remove predefine of HAVE_FEAT_LSE128.
* acinclude.m4: Remove ARCH_AARCH64_HAVE_LSE128.
* configure: Regenerated.
* config/linux/aarch64/atomic_16.S: Add __atomic_ alias if !HAVE_IFUNC.
* config/linux/aarch64/host-config.h: Correctly handle !HAVE_IFUNC.
Add defines for HWCAP_ATOMICS and HWCAP_CPUID.
2024-02-14 Roger Sayle <roger@nextmovesoftware.com>
Victor Do Nascimento <victor.donascimento@arm.com>
PR other/113336
* Makefile.am: Build tas_1_2_.o on ARCH_ARM_LINUX
* Makefile.in: Regenerate.
2024-02-03 John David Anglin <danglin@gcc.gnu.org>
PR target/59778
* configure.tgt (hppa*): Set ARCH.
* config/pa/fenv.c: New file.
2024-01-28 Victor Do Nascimento <victor.donascimento@arm.com>
* config/linux/aarch64/host-config.h (has_lse2): Add test for LSE.
(has_lse128): Add test for LSE2.
2024-01-28 Victor Do Nascimento <victor.donascimento@arm.com>
* Makefile.am (AM_CPPFLAGS): add conditional setting of
-DHAVE_FEAT_LSE128.
* acinclude.m4 (LIBAT_TEST_FEAT_AARCH64_LSE128): New.
* config/linux/aarch64/atomic_16.S (LSE128): New macro
definition.
(libat_exchange_16): New LSE128 variant.
(libat_fetch_or_16): Likewise.
(libat_or_fetch_16): Likewise.
(libat_fetch_and_16): Likewise.
(libat_and_fetch_16): Likewise.
* config/linux/aarch64/host-config.h (IFUNC_COND_2): New.
(IFUNC_NCOND): Add operand size checking.
(has_lse2): Renamed from `ifunc1`.
(has_lse128): New.
(HWCAP2_LSE128): Likewise.
* configure.ac: Add call to
LIBAT_TEST_FEAT_AARCH64_LSE128.
* configure (ac_subst_vars): Regenerated via autoreconf.
* Makefile.in: Likewise.
* auto-config.h.in: Likewise.
2024-01-28 Victor Do Nascimento <victor.donascimento@arm.com>
* config/linux/aarch64/host-config.h (__ifunc_arg_t):
Conditionally-defined if `sys/ifunc.h' not found.
(_IFUNC_ARG_HWCAP): Likewise.
(IFUNC_COND_1): Pass __ifunc_arg_t argument to ifunc.
(ifunc1): Modify function signature to accept __ifunc_arg_t
argument.
* configure.tgt: Add second `const __ifunc_arg_t *features'
argument to IFUNC_RESOLVER_ARGS.
2024-01-28 Victor Do Nascimento <victor.donascimento@arm.com>
* config/linux/aarch64/atomic_16.S (CORE): New macro.
(LSE2): Likewise.
(ENTRY_FEAT): Likewise.
(ENTRY_FEAT1): Likewise.
(END_FEAT): Likewise.
(END_FEAT1): Likewise.
(ALIAS): Modify macro to take in `arch' arguments.
(ALIAS1): New.
2023-12-15 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/linux/aarch64/atomic_16.S: Implement lock-free ARMv8.0 atomics.
(libat_exchange_16): Merge RELEASE and ACQ_REL/SEQ_CST cases.
* config/linux/aarch64/host-config.h: Use atomic_16.S for baseline v8.0.
2023-11-10 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/linux/aarch64/host-config.h (ifunc1): Use CPUID in ifunc
selection.
2023-10-26 Thomas Schwinge <thomas@codesourcery.com>
PR testsuite/109951
* configure.ac: 'AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)'.
* Makefile.in: Regenerate.
* configure: Likewise.
* testsuite/Makefile.in: Likewise.
* testsuite/lib/libatomic.exp (libatomic_init): If
'--with-build-sysroot=[...]' was specified, use it for build-tree
testing.
* testsuite/libatomic-site-extra.exp.in (GCC_UNDER_TEST): Don't
set.
(SYSROOT_CFLAGS_FOR_TARGET): Set.
2023-10-23 Jan Beulich <jbeulich@suse.com>
* Makefile.am (all-multi): Drop commands.
* Makefile.in: Update accordingly.
2023-10-22 Iain Sandoe <iain@sandoe.co.uk>
* testsuite/lib/libatomic.exp: Pass correct flags on darwin.
2023-10-22 Iain Sandoe <iain@sandoe.co.uk>
* Makefile.am: Handle Darwin rpaths.
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac: Handle Darwin rpaths.
2023-08-07 Nick Alcock <nick.alcock@oracle.com>
* configure: Regenerate.
2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
* configure: Regenerate.
2023-08-07 Nick Alcock <nick.alcock@oracle.com>
* configure: Regenerate.
2023-08-07 Nick Alcock <nick.alcock@oracle.com>
* configure: Regenerate.
2023-08-07 H.J. Lu <hjl.tools@gmail.com>
* configure: Regenerate.
2023-08-07 H.J. Lu <hjl.tools@gmail.com>
* configure: Regenerate.
2023-06-10 Xi Ruoyao <xry111@xry111.site>
* configure.tgt: For x86_64, always set try_ifunc=yes.
2023-06-02 Thomas Schwinge <thomas@codesourcery.com>
* configure.ac (PERL): Remove.
* configure: Regenerate.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2023-03-24 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR libgcc/108891
* config/linux/aarch64/atomic_16.S: Fix libat_load_16_i1.
Add comments describing the memory order.
2023-03-03 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
* config/s390/cas_n.c: New file.
* config/s390/load_n.c: New file.
* config/s390/store_n.c: New file.
2023-01-16 Jonathan Wakely <jwakely@redhat.com>
* configure.tgt (config_path) [target_thread_file=single]:
Use 'mingw' config.
2023-01-07 LIU Hao <lh_mouse@126.com>
PR middle-end/108300
* config/mingw/lock.c: Define `WIN32_LEAN_AND_MEAN` before
<windows.h>.
2022-11-16 Martin Liska <mliska@suse.cz>
* Makefile.in: Re-generate.
2022-11-15 Wilco Dijkstra <wilco.dijkstra@arm.com>
* Makefile.in: Regenerated with automake 1.15.1.
* Makefile.am: Add atomic_16.S for AArch64.
* configure.tgt: Disable outline atomics in AArch64 build.
* config/linux/aarch64/atomic_16.S: New file - implementation of
ifuncs for 16-byte atomics.
* config/linux/aarch64/host-config.h: Enable ifuncs, use LSE
(HWCAP_ATOMICS) for 1-8-byte atomics and LSE2 (HWCAP_USCAT) for
16-byte atomics.
2022-11-15 Jakub Jelinek <jakub@redhat.com>
PR target/104688
* config/x86/init.c (__libat_feat1_init): Don't clear
bit_AVX on AMD CPUs.
2022-10-19 LIU Hao <lh_mouse@126.com>
* configure.tgt: Add new case for `mcf` thread model
2022-10-12 Martin Liska <mliska@suse.cz>
* configure: Regenerate.
2022-10-11 Olivier Hainque <hainque@adacore.com>
Olivier Hainque <hainque@adacore.com>
* configure: Regenerate.
2022-08-30 Martin Liska <mliska@suse.cz>
* testsuite/Makefile.in: Regenerate.
2022-08-08 Tamar Christina <tamar.christina@arm.com>
PR target/102218
* config/arm/host-config.h (pre_seq_barrier, post_seq_barrier,
pre_post_seq_barrier): Require barrier on __ATOMIC_SEQ_CST.
2022-08-08 Tamar Christina <tamar.christina@arm.com>
PR target/102218
* config/aarch64/aarch64-config.h: New file.
* config/aarch64/host-config.h: New file.
2022-06-02 David Malcolm <dmalcolm@redhat.com>
* testsuite/lib/libatomic.exp: Add load_gcc_lib of scansarif.exp.
2022-03-24 Tom de Vries <tdevries@suse.de>
PR target/105011
* tas_n.c (libat_test_and_set): Fix return value.
2022-03-17 Jakub Jelinek <jakub@redhat.com>
PR target/104688
* Makefile.am (IFUNC_OPTIONS): Change on x86_64 to -mcx16 -mcx16.
(libatomic_la_LIBADD): Add $(addsuffix _16_2_.lo,$(SIZEOBJS)) for
x86_64.
* Makefile.in: Regenerated.
* config/x86/host-config.h (IFUNC_COND_1): For x86_64 define to
both AVX and CMPXCHG16B bits.
(IFUNC_COND_2): Define.
(IFUNC_NCOND): For x86_64 define to 2 * (N == 16).
(MAYBE_HAVE_ATOMIC_CAS_16, MAYBE_HAVE_ATOMIC_EXCHANGE_16,
MAYBE_HAVE_ATOMIC_LDST_16): Define to IFUNC_COND_2 rather than
IFUNC_COND_1.
(HAVE_ATOMIC_CAS_16): Redefine to 1 whenever IFUNC_ALT != 0.
(HAVE_ATOMIC_LDST_16): Redefine to 1 whenever IFUNC_ALT == 1.
(atomic_compare_exchange_n): Define whenever IFUNC_ALT != 0
on x86_64 for N == 16.
(__atomic_load_n, __atomic_store_n): Redefine whenever IFUNC_ALT == 1
on x86_64 for N == 16.
(atomic_load_n, atomic_store_n): New functions.
* config/x86/init.c (__libat_feat1_init): On x86_64 clear bit_AVX
if CPU vendor is not Intel.
2022-02-03 David Seifert <soap@gentoo.org>
Jakub Jelinek <jakub@redhat.com>
* configure.ac: Support --disable-werror.
* configure: Regenerate.
2022-01-31 Martin Liska <mliska@suse.cz>
* acinclude.m4: Detect *_ld_is_mold and use it.
* configure: Regenerate.
2022-01-24 Martin Liska <mliska@suse.cz>
* acinclude.m4: Remove duplicate
LIBAT_CHECK_LINKER_FEATURES.
* configure: Regenerate.
2021-07-21 Martin Sebor <msebor@redhat.com>
PR bootstrap/101379
* config/linux/arm/host-config.h (__kernel_helper_version): New
function. Adjust shadow macro.
2021-01-15 Jakub Jelinek <jakub@redhat.com>
PR target/70454
* configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
be added through preprocessor check on
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4. Determine if try_ifunc is needed
based on preprocessor check on __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
or __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8.
2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
* configure: Re-generate.
2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
PR target/97865
* configure: Regenerate.
2020-11-29 John David Anglin <danglin@gcc.gnu.org>
* configure: Regenerate.
2020-10-11 Clement Chigot <clement.chigot@atos.net>
* config/t-aix: Delete and recreate libatomic before creating
FAT library.
2020-09-27 Clement Chigot <clement.chigot@atos.net>
* config/t-aix: Use $(AR) without -X32_64.
2020-09-11 Tom de Vries <tdevries@suse.de>
PR target/96898
* configure.tgt: Add nvptx.
* libatomic_i.h (MASK_8, INVERT_MASK_8): New macro definition.
* config/nvptx/host-config.h: New file.
* config/nvptx/lock.c: New file.
2020-09-07 Tom de Vries <tdevries@suse.de>
* testsuite/libatomic.c/atomic-generic.c: Include string.h.
2020-07-14 David Edelsohn <dje.gcc@gmail.com>
* config/t-aix: Set BITS from compiler cpp macro.
2020-06-22 David Edelsohn <dje.gcc@gmail.com>
* Makefile.am: Use -include.
* Makefile.in: Regenerate.
2020-06-21 David Edelsohn <dje.gcc@gmail.com>
* Makefile.am (tmake_file): Build and install AIX-style FAT libraries.
* Makefile.in: Regenerate.
* configure.ac (tmake_file): Substitute.
* configure: Regenerate.
* configure.tgt (powerpc-ibm-aix*): Define tmake_file.
* config/t-aix: New file.
2020-06-01 Uroš Bizjak <ubizjak@gmail.com>
* config/x86/fenv.c (struct fenv): Add __attribute__ ((gcc_struct)).
2020-05-29 H.J. Lu <hjl.tools@gmail.com>
PR bootstrap/95413
* configure: Regenerated.
2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/95147
* configure: Regenerated.
2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2020-05-06 Uroš Bizjak <ubizjak@gmail.com>
* config/x86/fenv.c (__math_force_eval): Remove.
(__math_force_eval_div): New define.
(__atomic_deraiseexcept): Use __math_force_eval_div to use
generic division to generate INVALID, DIVZERO and INEXACT
exceptions.
2020-05-01 Uroš Bizjak <ubizjak@gmail.com>
* config/x86/fenv.c (__math_force_eval): New define.
(__atomic_feraiseexcept): Use __math_force_eval to evaluate
generic division to generate INVALID and DIVZERO exceptions.
2020-04-19 Uroš Bizjak <ubizjak@gmail.com>
* config/x86/fenv.c (__atomic_feraiseexcept) [__SSE_MATH__]:
Remove unneeded assignments to volatile memory.
2020-04-06 Maciej W. Rozycki <macro@wdc.com>
* configure.ac: Add testsuite/libatomic-site-extra.exp to output
files.
* configure: Regenerate.
* libatomic/testsuite/libatomic-site-extra.exp.in: New file.
* testsuite/Makefile.am (EXTRA_DEJAGNU_SITE_CONFIG): New
variable.
* testsuite/Makefile.in: Regenerate.
2020-02-22 Jakub Jelinek <jakub@redhat.com>
PR other/55930
* Makefile.am (M_DEPS): Guard the empty definition with
@AMDEP_FALSE@ rather than @AMDEP_TRUE@.
* Makefile.in: Regenerated.
2020-02-22 Richard Purdie <rpurdie@rpsys.net>
PR other/55930
* Makefile.am (M_DEPS): Honor -disable-dependency-tracking.
* Makefile.in: Regenerated.
2020-01-24 Maciej W. Rozycki <macro@wdc.com>
* configure.ac: Handle `--with-toolexeclibdir='.
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* configure: Regenerate.
* testsuite/Makefile.in: Regenerate.
2020-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2019-09-27 Maciej W. Rozycki <macro@wdc.com>
* configure: Regenerate.
2019-09-10 Christophe Lyon <christophe.lyon@st.com>
* configure.tgt: Handle arm*-*-uclinux*.
* configure: Regenerate.
2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
PR other/79543
* acinclude.m4 (LIBAT_CHECK_LINKER_FEATURES): Fix GNU ld --version
scanning to conform to the GNU Coding Standards.
* configure: Regenerate.
2019-06-14 Matt Thomas <matt@3am-software.com>
Matthew Green <mrg@eterna.com.au>
Nick Hudson <skrll@netbsd.org>
Maya Rashish <coypu@sdf.org>
* configure.tgt (arm*): Handle NetBSD in the same way as FreeBSD.
2019-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2018-10-31 Joseph Myers <joseph@codesourcery.com>
PR bootstrap/82856
* Makefile.am: Include multilib.am.
* acinclude.m4: Use AC_LANG_SOURCE.
* configure.ac: Remove AC_PREREQ.
* testsuite/Makefile.am (RUNTEST): Remove quotes.
* Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
Regenerate.
2018-06-21 Christophe Lyon <christophe.lyon@linaro.org>
* config/arm/arm-config.h (__ARM_ARCH__): Remove definitions, use
__ARM_ARCH instead. Use __ARM_FEATURE_LDREX to define HAVE_STREX
and HAVE_STREXBHD
2018-05-23 Florian Weimer <fweimer@redhat.com>
PR libgcc/60790
x86: Do not assume ELF constructors run before IFUNC resolvers.
* config/x86/host-config.h (libat_feat1_ecx, libat_feat1_edx):
Remove declarations.
(__libat_feat1, __libat_feat1_init): Declare.
(FEAT1_REGISTER): Define.
(load_feat1): New function.
(IFUNC_COND_1): Adjust.
* config/x86/init.c (libat_feat1_ecx, libat_feat1_edx)
(init_cpuid): Remove definitions.
(__libat_feat1): New variable.
(__libat_feat1_init): New function.
2018-05-02 Tom de Vries <tom@codesourcery.com>
PR testsuite/85106
* testsuite/lib/libatomic.exp: Include scanltranstree.exp.
2018-05-02 Tom de Vries <tom@codesourcery.com>
PR testsuite/85106
* testsuite/lib/libatomic.exp: Include scanwpaipa.exp.
2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2018-04-19 Jakub Jelinek <jakub@redhat.com>
* configure: Regenerated.
2018-04-18 David Malcolm <dmalcolm@redhat.com>
PR jit/85384
* configure: Regenerate.
2018-03-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/exch_n.c: New file.
* configure.tgt: Add the config directory for s390.
2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
PR target/84148
* configure: Regenerate.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2017-12-14 Steve Ellcey <sellcey@cavium.com>
* Makefile.am (IFUNC_OPTIONS): Change aarch64
option from -march=armv8.1-a to -march=armv8-a+lse.
* configure.ac (*aarch64*): Check to see if
compiler understands -march=armv8-a+lse option.
* configure.tgt (*aarch64*): Only set try_ifunc
if compiler understands -march=armv8-a+lse option.
* Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* configure: Regenerate.
* aclocal.m4: Regenerate.
2017-12-04 Steve Ellcey <sellcey@cavium.com>
* Makefile.am (ARCH_AARCH64_LINUX): Add IFUNC_OPTIONS and
libatomic_la_LIBADD.
* config/linux/aarch64/host-config.h: New file.
* configure.ac (IFUNC_RESOLVER_ARGS): Define.
(ARCH_AARCH64_LINUX): New conditional for IFUNC builds.
* configure.tgt (aarch64): Set ARCH and try_ifunc.
(aarch64*-*-linux*) Update config_path.
(aarch64*-*-linux*) Set IFUNC_RESOLVER_ARGS.
* libatomic_i.h (GEN_SELECTOR): Add IFUNC_RESOLVER_ARGS argument.
* Makefile.in: Regenerate.
* auto-config.h.in: Regenerate.
* configure: Regenerate.
2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
* configure.ac: Set CET_FLAGS, update XCFLAGS.
* acinclude.m4: Add cet.m4 and enable.m4.
* configure: Regenerate.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2017-10-20 Richard Earnshaw <rearnsha@arm.com>
* Makefile.am: (IFUNC_OPTIONS): Set the architecture to
-march=armv7-a+fp on Linux/Arm.
* Makefile.in: Regenerated.
2017-10-02 Martin Sebor <msebor@redhat.com>
PR c/81854
* acinclude.m4 (LIBAT_CHECK_IFUNC): Have ifunc resolver return
a function pointer rather than void* to avoid GCC 8 warnings.
* configure: Regenerate.
* libatomic_i.h: Declare ifunc resolvers to return function
pointers rather than void*.
2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* testsuite/lib/libatomic.exp: Load scanlang.exp.
2017-02-06 Palmer Dabbelt <palmer@dabbelt.com>
* configure.tgt: Add RISC-V tuple.
2017-02-01 Richard Henderson <rth@redhat.com>
Torvald Riegel <triegel@redhat.com>
* acinclude.m4: Add #define FAST_ATOMIC_LDST_*.
* auto-config.h.in: Regenerate.
* config/x86/host-config.h (FAST_ATOMIC_LDST_16): Define to 0.
(atomic_compare_exchange_n): New.
* glfree.c (EXACT, LARGER): Change condition and add comments.
2017-01-30 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR target/78945
* config/arm/exch_n.c (libat_exchange): Check __ARM_FEATURE_SIMD32.
2017-01-21 Jakub Jelinek <jakub@redhat.com>
PR other/79046
* testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
of cat to get version from BASE-VER file.
* testsuite/Makefile.in: Regenerated.
2017-01-17 Jakub Jelinek <jakub@redhat.com>
PR other/79046
* configure.ac: Add GCC_BASE_VER.
* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
get version from BASE-VER file.
* testsuite/Makefile.in: Regenerated.
* configure: Regenerated.
* Makefile.in: Regenerated.
2017-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2016-11-15 Matthias Klose <doko@ubuntu.com>
* configure: Regenerate.
2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
* configure.tgt (configure_tgt_pre_target_cpu_XCFLAGS): New variable.
(*-*-rtems*): New supported target.
* config/rtems/host-config.h: New file.
* config/rtems/lock.c: Likewise.
2016-04-25 H.J. Lu <hongjiu.lu@intel.com>
PR target/70454
* configure.tgt (XCFLAGS): Revert the last change.
2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
PR target/70454
* configure.tgt (XCFLAGS): Don't add -march=i486 to compile
32-bit x86 target library on x86-64.
2016-01-06 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR other/67627
* Makefile.am (all-multi): Add dependency.
* Makefile.in: Regenerate.
2016-01-04 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2015-11-18 Joseph Myers <joseph@codesourcery.com>
PR c/65083
* fence.c, flag.c: New files.
* Makefile.am (libatomic_la_SOURCES): Add fence.c and flag.c.
* Makefile.in: Regenerate.
* configure.ac (libtool_VERSION): Change to 3:0:2.
* configure: Regenerate.
* libatomic.map (LIBATOMIC_1.2): New symbol version.
2015-10-09 David Malcolm <dmalcolm@redhat.com>
* testsuite/lib/libatomic.exp: Load multiline.exp before
prune.exp, using load_gcc_lib.
2015-07-14 John Marino <gnugcc@marino.st>
* configure.tgt: Add *-*-dragonfly to supported targets.
2015-01-21 Andrew Waterman <waterman@cs.berkeley.edu>
* fop_n.c (libat_fetch_op): Align address to word boundary.
(libat_op_fetch): Likewise.
2015-01-16 Ilya Verbin <ilya.verbin@intel.com>
PR testsuite/64605
* testsuite/lib/libatomic.exp: Do not load gcc-dg.exp.
* testsuite/libatomic.c/c.exp: Load gcc-dg.exp.
2015-01-09 Andreas Tobler <andreast@gcc.gnu.org>
* configure.tgt: Exclude arm*-*-freebsd* from try_ifunc.
2015-01-05 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* testsuite/lib/libatomic.exp: Load target-utils.exp
2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/63784
* configure: Regenerated.
2014-11-13 Andrew Waterman <waterman@cs.berkeley.edu>
* cas_n.c (libat_compare_exchange): Add missing cast.
2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
PR target/63610
* configure: Regenerate.
2014-08-19 Yaakov Selkowitz <yselkowi@redhat.com>
* configure.tgt: Add cygwin to supported targets.
2014-07-18 Uros Bizjak <ubizjak@gmail.com>
* configure.tgt (alpha*): Add -mfp-trap-mode=sui to XCFLAGS.
2014-06-17 Kai Tietz <ktietz@redhat.com>
* Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.
* configure.ac (ACX_LT_HOST_FLAGS): New.
(target_thread_file): New.
* configure.tgt (mingw): Add mingw support.
* config/mingw/host-config.h: New file.
* config/mingw/lock.c: Likewise.
* Makefile.in: Regenerated.
* configure: Likewise.
* aclocal.m4: Likewise.
* testsuite/Makefile.in: Likewise.
2014-02-20 Richard Henderson <rth@redhat.com>
PR c++/60272
* cas_n.c (libat_compare_exchange): Conditionalize on failure
the store back to EPTR.
2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
Update copyright years
2013-12-09 Uros Bizjak <ubizjak@gmail.com>
* config/x86/fenv.c (__atomic_feraiseexcept): Emit SSE
instructions when __SSE_MATH__ is defined.
2013-11-18 Joseph Myers <joseph@codesourcery.com>
* testsuite/libatomic.c/atomic-compare-exchange-1.c,
testsuite/libatomic.c/atomic-compare-exchange-2.c,
testsuite/libatomic.c/atomic-compare-exchange-3.c,
testsuite/libatomic.c/atomic-compare-exchange-4.c,
testsuite/libatomic.c/atomic-compare-exchange-5.c,
testsuite/libatomic.c/atomic-exchange-1.c,
testsuite/libatomic.c/atomic-exchange-2.c,
testsuite/libatomic.c/atomic-exchange-3.c,
testsuite/libatomic.c/atomic-exchange-4.c,
testsuite/libatomic.c/atomic-exchange-5.c,
testsuite/libatomic.c/atomic-generic.c,
testsuite/libatomic.c/atomic-load-1.c,
testsuite/libatomic.c/atomic-load-2.c,
testsuite/libatomic.c/atomic-load-3.c,
testsuite/libatomic.c/atomic-load-4.c,
testsuite/libatomic.c/atomic-load-5.c,
testsuite/libatomic.c/atomic-op-1.c,
testsuite/libatomic.c/atomic-op-2.c,
testsuite/libatomic.c/atomic-op-3.c,
testsuite/libatomic.c/atomic-op-4.c,
testsuite/libatomic.c/atomic-op-5.c,
testsuite/libatomic.c/atomic-store-1.c,
testsuite/libatomic.c/atomic-store-2.c,
testsuite/libatomic.c/atomic-store-3.c,
testsuite/libatomic.c/atomic-store-4.c,
testsuite/libatomic.c/atomic-store-5.c: Declare main as returning
int. Do not require built-in sync support or add target-specific
options.
* testsuite/libatomic.c/atomic-exchange-1.c,
testsuite/libatomic.c/atomic-exchange-2.c,
testsuite/libatomic.c/atomic-exchange-3.c,
testsuite/libatomic.c/atomic-exchange-4.c,
testsuite/libatomic.c/atomic-exchange-5.c: Separate increments of
count from expression using value of count.
2013-11-10 Uros Bizjak <ubizjak@gmail.com>
* config/x86/fenv.c: New file.
2013-11-07 Joseph Myers <joseph@codesourcery.com>
* fenv.c: New file.
* libatomic.map (LIBATOMIC_1.1): New symbol version. Include
__atomic_feraiseexcept.
* configure.ac (libtool_VERSION): Change to 2:0:1.
(fenv.h): Test for header.
* Makefile.am (libatomic_la_SOURCES): Add fenv.c.
* Makefile.in, auto-config.h.in, configure: Regenerate.
2013-10-17 Michael Hudson-Doyle <michael.hudson@linaro.org>
* libatomic/configure.tgt (aarch64*): Remove code preventing
build.
2013-09-20 Alan Modra <amodra@gmail.com>
* configure: Regenerate.
2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
Update copyright years.
2012-12-18 Ian Lance Taylor <iant@google.com>
PR go/55201
* Makefile.am (noinst_LTLIBRARIES): Define new make variable.
(libatomic_convenience_la_SOURCES): Likewise.
(libatomic_convenience_la_LIBADD): Likewise.
* Makefile.in: Rebuild.
* testsuite/Makefile.in: Rebuild.
2012-12-04 Marcus Shawcroft <marcus.shawcroft@arm.com>
* config/arm/arm-config.h (__ARM_ARCH_8A__): New.
2012-11-21 Matthias Klose <doko@ubuntu.com>
* configure.tgt (i[3456]86): Handle -mx32 like -m64.
2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
* acinclude.m4 (LIBAT_CHECK_IFUNC): Clarify message.
* configure: Regenerate.
* configure: Regenerate.
2012-10-23 Sofiane Naci <sofiane.naci@arm.com>
Mark libatomic unsupported in AArch64.
* configure.tgt: Mark libatomic unsupported.
2012-09-20 Jakub Jelinek <jakub@redhat.com>
PR other/43620
* configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
* configure: Regenerate.
* Makefile.in: Regenerate.
2012-09-14 David Edelsohn <dje.gcc@gmail.com>
* configure: Regenerated.
2012-05-22 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR other/53231
* tas_n.c (libat_test_and_set): Correct return. Remove unused variable.
2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2012-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR other/53284
* acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Add -O0 -S to CFLAGS
instead of overriding.
* configure: Regenerate.
2012-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* Makefile.am (libatomic.map-sun): Handle objects in
libatomic_la_LIBADD.
* aclocal.m4: Regenerate.
* Makefile.in: Regenerate.
2012-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac: Add $XPCFLAGS to CFLAGS, not $XCFLAGS.
* configure: Regenerate.
2012-05-03 Richard Henderson <rth@redhat.com>
* configure.ac (AM_MAINTAINER_MODE): New.
* acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Handle compilation
failure in gcc_no_link path.
* configure, aclocal.m4, Makefile.in: Rebuild.
2012-05-01 Richard Henderson <rth@redhat.com>
* Initial commit.
Copyright (C) 2012-2026 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.