libatomic/ChangeLog

   1 2024-04-05  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * configure: Regenerate.
   4
   5 2024-04-04  Wilco Dijkstra  <wilco.dijkstra@arm.com>
   6
   7         PR target/113986
   8         * Makefile.in: Regenerated.
   9         * Makefile.am: Make atomic_16.S not depend on HAVE_IFUNC.
  10         Remove predefine of HAVE_FEAT_LSE128.
  11         * acinclude.m4: Remove ARCH_AARCH64_HAVE_LSE128.
  12         * configure: Regenerated.
  13         * config/linux/aarch64/atomic_16.S: Add __atomic_ alias if !HAVE_IFUNC.
  14         * config/linux/aarch64/host-config.h: Correctly handle !HAVE_IFUNC.
  15         Add defines for HWCAP_ATOMICS and HWCAP_CPUID.
  16
  17 2024-02-14  Roger Sayle  <roger@nextmovesoftware.com>
  18             Victor Do Nascimento  <victor.donascimento@arm.com>
  19
  20         PR other/113336
  21         * Makefile.am: Build tas_1_2_.o on ARCH_ARM_LINUX
  22         * Makefile.in: Regenerate.
  23
  24 2024-02-03  John David Anglin  <danglin@gcc.gnu.org>
  25
  26         PR target/59778
  27         * configure.tgt (hppa*): Set ARCH.
  28         * config/pa/fenv.c: New file.
  29
  30 2024-01-28  Victor Do Nascimento  <victor.donascimento@arm.com>
  31
  32         * config/linux/aarch64/host-config.h (has_lse2): Add test for LSE.
  33         (has_lse128): Add test for LSE2.
  34
  35 2024-01-28  Victor Do Nascimento  <victor.donascimento@arm.com>
  36
  37         * Makefile.am (AM_CPPFLAGS): add conditional setting of
  38         -DHAVE_FEAT_LSE128.
  39         * acinclude.m4 (LIBAT_TEST_FEAT_AARCH64_LSE128): New.
  40         * config/linux/aarch64/atomic_16.S (LSE128): New macro
  41         definition.
  42         (libat_exchange_16): New LSE128 variant.
  43         (libat_fetch_or_16): Likewise.
  44         (libat_or_fetch_16): Likewise.
  45         (libat_fetch_and_16): Likewise.
  46         (libat_and_fetch_16): Likewise.
  47         * config/linux/aarch64/host-config.h (IFUNC_COND_2): New.
  48         (IFUNC_NCOND): Add operand size checking.
  49         (has_lse2): Renamed from `ifunc1`.
  50         (has_lse128): New.
  51         (HWCAP2_LSE128): Likewise.
  52         * configure.ac: Add call to
  53         LIBAT_TEST_FEAT_AARCH64_LSE128.
  54         * configure (ac_subst_vars): Regenerated via autoreconf.
  55         * Makefile.in: Likewise.
  56         * auto-config.h.in: Likewise.
  57
  58 2024-01-28  Victor Do Nascimento  <victor.donascimento@arm.com>
  59
  60         * config/linux/aarch64/host-config.h (__ifunc_arg_t):
  61         Conditionally-defined if `sys/ifunc.h' not found.
  62         (_IFUNC_ARG_HWCAP): Likewise.
  63         (IFUNC_COND_1): Pass __ifunc_arg_t argument to ifunc.
  64         (ifunc1): Modify function signature to accept __ifunc_arg_t
  65         argument.
  66         * configure.tgt: Add second `const __ifunc_arg_t *features'
  67         argument to IFUNC_RESOLVER_ARGS.
  68
  69 2024-01-28  Victor Do Nascimento  <victor.donascimento@arm.com>
  70
  71         * config/linux/aarch64/atomic_16.S (CORE): New macro.
  72         (LSE2): Likewise.
  73         (ENTRY_FEAT): Likewise.
  74         (ENTRY_FEAT1): Likewise.
  75         (END_FEAT): Likewise.
  76         (END_FEAT1): Likewise.
  77         (ALIAS): Modify macro to take in `arch' arguments.
  78         (ALIAS1): New.
  79
  80 2023-12-15  Wilco Dijkstra  <wilco.dijkstra@arm.com>
  81
  82         * config/linux/aarch64/atomic_16.S: Implement lock-free ARMv8.0 atomics.
  83         (libat_exchange_16): Merge RELEASE and ACQ_REL/SEQ_CST cases.
  84         * config/linux/aarch64/host-config.h: Use atomic_16.S for baseline v8.0.
  85
  86 2023-11-10  Wilco Dijkstra  <wilco.dijkstra@arm.com>
  87
  88         * config/linux/aarch64/host-config.h (ifunc1): Use CPUID in ifunc
  89         selection.
  90
  91 2023-10-26  Thomas Schwinge  <thomas@codesourcery.com>
  92
  93         PR testsuite/109951
  94         * configure.ac: 'AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)'.
  95         * Makefile.in: Regenerate.
  96         * configure: Likewise.
  97         * testsuite/Makefile.in: Likewise.
  98         * testsuite/lib/libatomic.exp (libatomic_init): If
  99         '--with-build-sysroot=[...]' was specified, use it for build-tree
 100         testing.
 101         * testsuite/libatomic-site-extra.exp.in (GCC_UNDER_TEST): Don't
 102         set.
 103         (SYSROOT_CFLAGS_FOR_TARGET): Set.
 104
 105 2023-10-23  Jan Beulich  <jbeulich@suse.com>
 106
 107         * Makefile.am (all-multi): Drop commands.
 108         * Makefile.in: Update accordingly.
 109
 110 2023-10-22  Iain Sandoe  <iain@sandoe.co.uk>
 111
 112         * testsuite/lib/libatomic.exp: Pass correct flags on darwin.
 113
 114 2023-10-22  Iain Sandoe  <iain@sandoe.co.uk>
 115
 116         * Makefile.am: Handle Darwin rpaths.
 117         * Makefile.in: Regenerate.
 118         * configure: Regenerate.
 119         * configure.ac: Handle Darwin rpaths.
 120
 121 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
 122
 123         * configure: Regenerate.
 124
 125 2023-08-07  Alexander von Gluck IV  <kallisti5@unixzen.com>
 126
 127         * configure: Regenerate.
 128
 129 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
 130
 131         * configure: Regenerate.
 132
 133 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
 134
 135         * configure: Regenerate.
 136
 137 2023-08-07  H.J. Lu  <hjl.tools@gmail.com>
 138
 139         * configure: Regenerate.
 140
 141 2023-08-07  H.J. Lu  <hjl.tools@gmail.com>
 142
 143         * configure: Regenerate.
 144
 145 2023-06-10  Xi Ruoyao  <xry111@xry111.site>
 146
 147         * configure.tgt: For x86_64, always set try_ifunc=yes.
 148
 149 2023-06-02  Thomas Schwinge  <thomas@codesourcery.com>
 150
 151         * configure.ac (PERL): Remove.
 152         * configure: Regenerate.
 153         * Makefile.in: Likewise.
 154         * testsuite/Makefile.in: Likewise.
 155
 156 2023-03-24  Wilco Dijkstra  <wilco.dijkstra@arm.com>
 157
 158         PR libgcc/108891
 159         * config/linux/aarch64/atomic_16.S: Fix libat_load_16_i1.
 160         Add comments describing the memory order.
 161
 162 2023-03-03  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
 163
 164         * config/s390/cas_n.c: New file.
 165         * config/s390/load_n.c: New file.
 166         * config/s390/store_n.c: New file.
 167
 168 2023-01-16  Jonathan Wakely  <jwakely@redhat.com>
 169
 170         * configure.tgt (config_path) [target_thread_file=single]:
 171         Use 'mingw' config.
 172
 173 2023-01-07  LIU Hao  <lh_mouse@126.com>
 174
 175         PR middle-end/108300
 176         * config/mingw/lock.c: Define `WIN32_LEAN_AND_MEAN` before
 177         <windows.h>.
 178
 179 2022-11-16  Martin Liska  <mliska@suse.cz>
 180
 181         * Makefile.in: Re-generate.
 182
 183 2022-11-15  Wilco Dijkstra  <wilco.dijkstra@arm.com>
 184
 185         * Makefile.in: Regenerated with automake 1.15.1.
 186         * Makefile.am: Add atomic_16.S for AArch64.
 187         * configure.tgt: Disable outline atomics in AArch64 build.
 188         * config/linux/aarch64/atomic_16.S: New file - implementation of
 189         ifuncs for 16-byte atomics.
 190         * config/linux/aarch64/host-config.h: Enable ifuncs, use LSE
 191         (HWCAP_ATOMICS) for 1-8-byte atomics and LSE2 (HWCAP_USCAT) for
 192         16-byte atomics.
 193
 194 2022-11-15  Jakub Jelinek  <jakub@redhat.com>
 195
 196         PR target/104688
 197         * config/x86/init.c (__libat_feat1_init): Don't clear
 198         bit_AVX on AMD CPUs.
 199
 200 2022-10-19  LIU Hao  <lh_mouse@126.com>
 201
 202         * configure.tgt: Add new case for `mcf` thread model
 203
 204 2022-10-12  Martin Liska  <mliska@suse.cz>
 205
 206         * configure: Regenerate.
 207
 208 2022-10-11  Olivier Hainque  <hainque@adacore.com>
 209             Olivier Hainque  <hainque@adacore.com>
 210
 211         * configure: Regenerate.
 212
 213 2022-08-30  Martin Liska  <mliska@suse.cz>
 214
 215         * testsuite/Makefile.in: Regenerate.
 216
 217 2022-08-08  Tamar Christina  <tamar.christina@arm.com>
 218
 219         PR target/102218
 220         * config/arm/host-config.h (pre_seq_barrier, post_seq_barrier,
 221         pre_post_seq_barrier): Require barrier on __ATOMIC_SEQ_CST.
 222
 223 2022-08-08  Tamar Christina  <tamar.christina@arm.com>
 224
 225         PR target/102218
 226         * config/aarch64/aarch64-config.h: New file.
 227         * config/aarch64/host-config.h: New file.
 228
 229 2022-06-02  David Malcolm  <dmalcolm@redhat.com>
 230
 231         * testsuite/lib/libatomic.exp: Add load_gcc_lib of scansarif.exp.
 232
 233 2022-03-24  Tom de Vries  <tdevries@suse.de>
 234
 235         PR target/105011
 236         * tas_n.c (libat_test_and_set): Fix return value.
 237
 238 2022-03-17  Jakub Jelinek  <jakub@redhat.com>
 239
 240         PR target/104688
 241         * Makefile.am (IFUNC_OPTIONS): Change on x86_64 to -mcx16 -mcx16.
 242         (libatomic_la_LIBADD): Add $(addsuffix _16_2_.lo,$(SIZEOBJS)) for
 243         x86_64.
 244         * Makefile.in: Regenerated.
 245         * config/x86/host-config.h (IFUNC_COND_1): For x86_64 define to
 246         both AVX and CMPXCHG16B bits.
 247         (IFUNC_COND_2): Define.
 248         (IFUNC_NCOND): For x86_64 define to 2 * (N == 16).
 249         (MAYBE_HAVE_ATOMIC_CAS_16, MAYBE_HAVE_ATOMIC_EXCHANGE_16,
 250         MAYBE_HAVE_ATOMIC_LDST_16): Define to IFUNC_COND_2 rather than
 251         IFUNC_COND_1.
 252         (HAVE_ATOMIC_CAS_16): Redefine to 1 whenever IFUNC_ALT != 0.
 253         (HAVE_ATOMIC_LDST_16): Redefine to 1 whenever IFUNC_ALT == 1.
 254         (atomic_compare_exchange_n): Define whenever IFUNC_ALT != 0
 255         on x86_64 for N == 16.
 256         (__atomic_load_n, __atomic_store_n): Redefine whenever IFUNC_ALT == 1
 257         on x86_64 for N == 16.
 258         (atomic_load_n, atomic_store_n): New functions.
 259         * config/x86/init.c (__libat_feat1_init): On x86_64 clear bit_AVX
 260         if CPU vendor is not Intel.
 261
 262 2022-02-03  David Seifert  <soap@gentoo.org>
 263             Jakub Jelinek  <jakub@redhat.com>
 264
 265         * configure.ac: Support --disable-werror.
 266         * configure: Regenerate.
 267
 268 2022-01-31  Martin Liska  <mliska@suse.cz>
 269
 270         * acinclude.m4: Detect *_ld_is_mold and use it.
 271         * configure: Regenerate.
 272
 273 2022-01-24  Martin Liska  <mliska@suse.cz>
 274
 275         * acinclude.m4: Remove duplicate
 276         LIBAT_CHECK_LINKER_FEATURES.
 277         * configure: Regenerate.
 278
 279 2021-07-21  Martin Sebor  <msebor@redhat.com>
 280
 281         PR bootstrap/101379
 282         * config/linux/arm/host-config.h (__kernel_helper_version): New
 283         function.  Adjust shadow macro.
 284
 285 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
 286
 287         PR target/70454
 288         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
 289         be added through preprocessor check on
 290         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.  Determine if try_ifunc is needed
 291         based on preprocessor check on __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
 292         or __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8.
 293
 294 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
 295
 296         * configure: Re-generate.
 297
 298 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
 299
 300         PR target/97865
 301         * configure: Regenerate.
 302
 303 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
 304
 305         * configure: Regenerate.
 306
 307 2020-10-11  Clement Chigot  <clement.chigot@atos.net>
 308
 309         * config/t-aix: Delete and recreate libatomic before creating
 310         FAT library.
 311
 312 2020-09-27  Clement Chigot  <clement.chigot@atos.net>
 313
 314         * config/t-aix: Use $(AR) without -X32_64.
 315
 316 2020-09-11  Tom de Vries  <tdevries@suse.de>
 317
 318         PR target/96898
 319         * configure.tgt: Add nvptx.
 320         * libatomic_i.h (MASK_8, INVERT_MASK_8): New macro definition.
 321         * config/nvptx/host-config.h: New file.
 322         * config/nvptx/lock.c: New file.
 323
 324 2020-09-07  Tom de Vries  <tdevries@suse.de>
 325
 326         * testsuite/libatomic.c/atomic-generic.c: Include string.h.
 327
 328 2020-07-14  David Edelsohn  <dje.gcc@gmail.com>
 329
 330         * config/t-aix: Set BITS from compiler cpp macro.
 331
 332 2020-06-22  David Edelsohn  <dje.gcc@gmail.com>
 333
 334         * Makefile.am: Use -include.
 335         * Makefile.in: Regenerate.
 336
 337 2020-06-21  David Edelsohn  <dje.gcc@gmail.com>
 338
 339         * Makefile.am (tmake_file): Build and install AIX-style FAT libraries.
 340         * Makefile.in: Regenerate.
 341         * configure.ac (tmake_file): Substitute.
 342         * configure: Regenerate.
 343         * configure.tgt (powerpc-ibm-aix*): Define tmake_file.
 344         * config/t-aix: New file.
 345
 346 2020-06-01  Uroš Bizjak  <ubizjak@gmail.com>
 347
 348         * config/x86/fenv.c (struct fenv): Add __attribute__ ((gcc_struct)).
 349
 350 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
 351
 352         PR bootstrap/95413
 353         * configure: Regenerated.
 354
 355 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 356
 357         PR bootstrap/95147
 358         * configure: Regenerated.
 359
 360 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 361
 362         * configure: Regenerated.
 363
 364 2020-05-06  Uroš Bizjak  <ubizjak@gmail.com>
 365
 366         * config/x86/fenv.c (__math_force_eval): Remove.
 367         (__math_force_eval_div): New define.
 368         (__atomic_deraiseexcept): Use __math_force_eval_div to use
 369         generic division to generate INVALID, DIVZERO and INEXACT
 370         exceptions.
 371
 372 2020-05-01  Uroš Bizjak  <ubizjak@gmail.com>
 373
 374         * config/x86/fenv.c (__math_force_eval): New define.
 375         (__atomic_feraiseexcept): Use __math_force_eval to evaluate
 376         generic division to generate INVALID and DIVZERO exceptions.
 377
 378 2020-04-19  Uroš Bizjak  <ubizjak@gmail.com>
 379
 380         * config/x86/fenv.c (__atomic_feraiseexcept) [__SSE_MATH__]:
 381         Remove unneeded assignments to volatile memory.
 382
 383 2020-04-06  Maciej W. Rozycki  <macro@wdc.com>
 384
 385         * configure.ac: Add testsuite/libatomic-site-extra.exp to output
 386         files.
 387         * configure: Regenerate.
 388         * libatomic/testsuite/libatomic-site-extra.exp.in: New file.
 389         * testsuite/Makefile.am (EXTRA_DEJAGNU_SITE_CONFIG): New
 390         variable.
 391         * testsuite/Makefile.in: Regenerate.
 392
 393 2020-02-22  Jakub Jelinek  <jakub@redhat.com>
 394
 395         PR other/55930
 396         * Makefile.am (M_DEPS): Guard the empty definition with
 397         @AMDEP_FALSE@ rather than @AMDEP_TRUE@.
 398         * Makefile.in: Regenerated.
 399
 400 2020-02-22  Richard Purdie  <rpurdie@rpsys.net>
 401
 402         PR other/55930
 403         * Makefile.am (M_DEPS): Honor -disable-dependency-tracking.
 404         * Makefile.in: Regenerated.
 405
 406 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
 407
 408         * configure.ac: Handle `--with-toolexeclibdir='.
 409         * Makefile.in: Regenerate.
 410         * aclocal.m4: Regenerate.
 411         * configure: Regenerate.
 412         * testsuite/Makefile.in: Regenerate.
 413
 414 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 415
 416         Update copyright years.
 417
 418 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 419
 420         * configure: Regenerate.
 421
 422 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 423
 424         * configure.tgt: Handle arm*-*-uclinux*.
 425         * configure: Regenerate.
 426
 427 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
 428
 429         PR other/79543
 430         * acinclude.m4 (LIBAT_CHECK_LINKER_FEATURES): Fix GNU ld --version
 431         scanning to conform to the GNU Coding Standards.
 432         * configure: Regenerate.
 433
 434 2019-06-14  Matt Thomas  <matt@3am-software.com>
 435             Matthew Green  <mrg@eterna.com.au>
 436             Nick Hudson  <skrll@netbsd.org>
 437             Maya Rashish  <coypu@sdf.org>
 438
 439         * configure.tgt (arm*): Handle NetBSD in the same way as FreeBSD.
 440
 441 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 442
 443         Update copyright years.
 444
 445 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 446
 447         PR bootstrap/82856
 448         * Makefile.am: Include multilib.am.
 449         * acinclude.m4: Use AC_LANG_SOURCE.
 450         * configure.ac: Remove AC_PREREQ.
 451         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 452         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 453         Regenerate.
 454
 455 2018-06-21  Christophe Lyon  <christophe.lyon@linaro.org>
 456
 457         * config/arm/arm-config.h (__ARM_ARCH__): Remove definitions, use
 458         __ARM_ARCH instead. Use __ARM_FEATURE_LDREX to define HAVE_STREX
 459         and HAVE_STREXBHD
 460
 461 2018-05-23  Florian Weimer  <fweimer@redhat.com>
 462
 463         PR libgcc/60790
 464         x86: Do not assume ELF constructors run before IFUNC resolvers.
 465         * config/x86/host-config.h (libat_feat1_ecx, libat_feat1_edx):
 466         Remove declarations.
 467         (__libat_feat1, __libat_feat1_init): Declare.
 468         (FEAT1_REGISTER): Define.
 469         (load_feat1): New function.
 470         (IFUNC_COND_1): Adjust.
 471         * config/x86/init.c (libat_feat1_ecx, libat_feat1_edx)
 472         (init_cpuid): Remove definitions.
 473         (__libat_feat1): New variable.
 474         (__libat_feat1_init): New function.
 475
 476 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 477
 478         PR testsuite/85106
 479         * testsuite/lib/libatomic.exp: Include scanltranstree.exp.
 480
 481 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 482
 483         PR testsuite/85106
 484         * testsuite/lib/libatomic.exp: Include scanwpaipa.exp.
 485
 486 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 487
 488         * configure: Regenerated.
 489
 490 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 491
 492         * configure: Regenerated.
 493
 494 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 495
 496         PR jit/85384
 497         * configure: Regenerate.
 498
 499 2018-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 500
 501         * config/s390/exch_n.c: New file.
 502         * configure.tgt: Add the config directory for s390.
 503
 504 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 505
 506         PR target/84148
 507         * configure: Regenerate.
 508
 509 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 510
 511         Update copyright years.
 512
 513 2017-12-14  Steve Ellcey  <sellcey@cavium.com>
 514
 515         * Makefile.am (IFUNC_OPTIONS): Change aarch64
 516         option from -march=armv8.1-a to -march=armv8-a+lse.
 517         * configure.ac (*aarch64*): Check to see if
 518         compiler understands -march=armv8-a+lse option.
 519         * configure.tgt (*aarch64*): Only set try_ifunc
 520         if compiler understands -march=armv8-a+lse option.
 521         * Makefile.in: Regenerate.
 522         * testsuite/Makefile.in: Regenerate.
 523         * configure: Regenerate.
 524         * aclocal.m4: Regenerate.
 525
 526 2017-12-04  Steve Ellcey  <sellcey@cavium.com>
 527
 528         * Makefile.am (ARCH_AARCH64_LINUX): Add IFUNC_OPTIONS and
 529         libatomic_la_LIBADD.
 530         * config/linux/aarch64/host-config.h: New file.
 531         * configure.ac (IFUNC_RESOLVER_ARGS): Define.
 532         (ARCH_AARCH64_LINUX): New conditional for IFUNC builds.
 533         * configure.tgt (aarch64): Set ARCH and try_ifunc.
 534         (aarch64*-*-linux*) Update config_path.
 535         (aarch64*-*-linux*) Set IFUNC_RESOLVER_ARGS.
 536         * libatomic_i.h (GEN_SELECTOR): Add IFUNC_RESOLVER_ARGS argument.
 537         * Makefile.in: Regenerate.
 538         * auto-config.h.in: Regenerate.
 539         * configure: Regenerate.
 540
 541 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 542
 543         * configure.ac: Set CET_FLAGS, update XCFLAGS.
 544         * acinclude.m4: Add cet.m4 and enable.m4.
 545         * configure: Regenerate.
 546         * Makefile.in: Likewise.
 547         * testsuite/Makefile.in: Likewise.
 548
 549 2017-10-20  Richard Earnshaw  <rearnsha@arm.com>
 550
 551         * Makefile.am: (IFUNC_OPTIONS): Set the architecture to
 552         -march=armv7-a+fp on Linux/Arm.
 553         * Makefile.in: Regenerated.
 554
 555 2017-10-02  Martin Sebor  <msebor@redhat.com>
 556
 557         PR c/81854
 558         * acinclude.m4 (LIBAT_CHECK_IFUNC): Have ifunc resolver return
 559         a function pointer rather than void* to avoid GCC 8 warnings.
 560         * configure: Regenerate.
 561         * libatomic_i.h: Declare ifunc resolvers to return function
 562         pointers rather than void*.
 563
 564 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 565
 566         * testsuite/lib/libatomic.exp: Load scanlang.exp.
 567
 568 2017-02-06  Palmer Dabbelt <palmer@dabbelt.com>
 569
 570         * configure.tgt: Add RISC-V tuple.
 571
 572 2017-02-01  Richard Henderson  <rth@redhat.com>
 573             Torvald Riegel  <triegel@redhat.com>
 574
 575         * acinclude.m4: Add #define FAST_ATOMIC_LDST_*.
 576         * auto-config.h.in: Regenerate.
 577         * config/x86/host-config.h (FAST_ATOMIC_LDST_16): Define to 0.
 578         (atomic_compare_exchange_n): New.
 579         * glfree.c (EXACT, LARGER): Change condition and add comments.
 580
 581 2017-01-30  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 582
 583         PR target/78945
 584         * config/arm/exch_n.c (libat_exchange): Check __ARM_FEATURE_SIMD32.
 585
 586 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 587
 588         PR other/79046
 589         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 590         of cat to get version from BASE-VER file.
 591         * testsuite/Makefile.in: Regenerated.
 592
 593 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 594
 595         PR other/79046
 596         * configure.ac: Add GCC_BASE_VER.
 597         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 598         get version from BASE-VER file.
 599         * testsuite/Makefile.in: Regenerated.
 600         * configure: Regenerated.
 601         * Makefile.in: Regenerated.
 602
 603 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 604
 605         Update copyright years.
 606
 607 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 608
 609         * configure: Regenerate.
 610
 611 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 612
 613         * configure.tgt (configure_tgt_pre_target_cpu_XCFLAGS): New variable.
 614         (*-*-rtems*): New supported target.
 615         * config/rtems/host-config.h: New file.
 616         * config/rtems/lock.c: Likewise.
 617
 618 2016-04-25  H.J. Lu  <hongjiu.lu@intel.com>
 619
 620         PR target/70454
 621         * configure.tgt (XCFLAGS): Revert the last change.
 622
 623 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
 624
 625         PR target/70454
 626         * configure.tgt (XCFLAGS): Don't add -march=i486 to compile
 627         32-bit x86 target library on x86-64.
 628
 629 2016-01-06  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 630
 631         PR other/67627
 632         * Makefile.am (all-multi): Add dependency.
 633         * Makefile.in: Regenerate.
 634
 635 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 636
 637         Update copyright years.
 638
 639 2015-11-18  Joseph Myers  <joseph@codesourcery.com>
 640
 641         PR c/65083
 642         * fence.c, flag.c: New files.
 643         * Makefile.am (libatomic_la_SOURCES): Add fence.c and flag.c.
 644         * Makefile.in: Regenerate.
 645         * configure.ac (libtool_VERSION): Change to 3:0:2.
 646         * configure: Regenerate.
 647         * libatomic.map (LIBATOMIC_1.2): New symbol version.
 648
 649 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 650
 651         * testsuite/lib/libatomic.exp: Load multiline.exp before
 652         prune.exp, using load_gcc_lib.
 653
 654 2015-07-14  John Marino  <gnugcc@marino.st>
 655
 656         * configure.tgt: Add *-*-dragonfly to supported targets.
 657
 658 2015-01-21  Andrew Waterman <waterman@cs.berkeley.edu>
 659
 660         * fop_n.c (libat_fetch_op): Align address to word boundary.
 661         (libat_op_fetch): Likewise.
 662
 663 2015-01-16  Ilya Verbin  <ilya.verbin@intel.com>
 664
 665         PR testsuite/64605
 666         * testsuite/lib/libatomic.exp: Do not load gcc-dg.exp.
 667         * testsuite/libatomic.c/c.exp: Load gcc-dg.exp.
 668
 669 2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>
 670
 671         * configure.tgt: Exclude arm*-*-freebsd* from try_ifunc.
 672
 673 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 674
 675         Update copyright years.
 676
 677 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 678
 679         * testsuite/lib/libatomic.exp: Load target-utils.exp
 680
 681 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 682
 683         PR bootstrap/63784
 684         * configure: Regenerated.
 685
 686 2014-11-13  Andrew Waterman <waterman@cs.berkeley.edu>
 687
 688         * cas_n.c (libat_compare_exchange): Add missing cast.
 689
 690 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 691
 692         PR target/63610
 693         * configure: Regenerate.
 694
 695 2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>
 696
 697         * configure.tgt: Add cygwin to supported targets.
 698
 699 2014-07-18  Uros Bizjak  <ubizjak@gmail.com>
 700
 701         * configure.tgt (alpha*): Add -mfp-trap-mode=sui to XCFLAGS.
 702
 703 2014-06-17  Kai Tietz  <ktietz@redhat.com>
 704
 705         * Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.
 706         * configure.ac (ACX_LT_HOST_FLAGS): New.
 707         (target_thread_file): New.
 708         * configure.tgt (mingw): Add mingw support.
 709         * config/mingw/host-config.h: New file.
 710         * config/mingw/lock.c: Likewise.
 711         * Makefile.in: Regenerated.
 712         * configure: Likewise.
 713         * aclocal.m4: Likewise.
 714         * testsuite/Makefile.in: Likewise.
 715
 716 2014-02-20  Richard Henderson <rth@redhat.com>
 717
 718         PR c++/60272
 719         * cas_n.c (libat_compare_exchange): Conditionalize on failure
 720         the store back to EPTR.
 721
 722 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 723
 724         Update copyright years
 725
 726 2013-12-09  Uros Bizjak  <ubizjak@gmail.com>
 727
 728         * config/x86/fenv.c (__atomic_feraiseexcept): Emit SSE
 729         instructions when __SSE_MATH__ is defined.
 730
 731 2013-11-18  Joseph Myers  <joseph@codesourcery.com>
 732
 733         * testsuite/libatomic.c/atomic-compare-exchange-1.c,
 734         testsuite/libatomic.c/atomic-compare-exchange-2.c,
 735         testsuite/libatomic.c/atomic-compare-exchange-3.c,
 736         testsuite/libatomic.c/atomic-compare-exchange-4.c,
 737         testsuite/libatomic.c/atomic-compare-exchange-5.c,
 738         testsuite/libatomic.c/atomic-exchange-1.c,
 739         testsuite/libatomic.c/atomic-exchange-2.c,
 740         testsuite/libatomic.c/atomic-exchange-3.c,
 741         testsuite/libatomic.c/atomic-exchange-4.c,
 742         testsuite/libatomic.c/atomic-exchange-5.c,
 743         testsuite/libatomic.c/atomic-generic.c,
 744         testsuite/libatomic.c/atomic-load-1.c,
 745         testsuite/libatomic.c/atomic-load-2.c,
 746         testsuite/libatomic.c/atomic-load-3.c,
 747         testsuite/libatomic.c/atomic-load-4.c,
 748         testsuite/libatomic.c/atomic-load-5.c,
 749         testsuite/libatomic.c/atomic-op-1.c,
 750         testsuite/libatomic.c/atomic-op-2.c,
 751         testsuite/libatomic.c/atomic-op-3.c,
 752         testsuite/libatomic.c/atomic-op-4.c,
 753         testsuite/libatomic.c/atomic-op-5.c,
 754         testsuite/libatomic.c/atomic-store-1.c,
 755         testsuite/libatomic.c/atomic-store-2.c,
 756         testsuite/libatomic.c/atomic-store-3.c,
 757         testsuite/libatomic.c/atomic-store-4.c,
 758         testsuite/libatomic.c/atomic-store-5.c: Declare main as returning
 759         int.  Do not require built-in sync support or add target-specific
 760         options.
 761         * testsuite/libatomic.c/atomic-exchange-1.c,
 762         testsuite/libatomic.c/atomic-exchange-2.c,
 763         testsuite/libatomic.c/atomic-exchange-3.c,
 764         testsuite/libatomic.c/atomic-exchange-4.c,
 765         testsuite/libatomic.c/atomic-exchange-5.c: Separate increments of
 766         count from expression using value of count.
 767
 768 2013-11-10  Uros Bizjak  <ubizjak@gmail.com>
 769
 770         * config/x86/fenv.c: New file.
 771
 772 2013-11-07  Joseph Myers  <joseph@codesourcery.com>
 773
 774         * fenv.c: New file.
 775         * libatomic.map (LIBATOMIC_1.1): New symbol version.  Include
 776         __atomic_feraiseexcept.
 777         * configure.ac (libtool_VERSION): Change to 2:0:1.
 778         (fenv.h): Test for header.
 779         * Makefile.am (libatomic_la_SOURCES): Add fenv.c.
 780         * Makefile.in, auto-config.h.in, configure: Regenerate.
 781
 782 2013-10-17  Michael Hudson-Doyle  <michael.hudson@linaro.org>
 783
 784         * libatomic/configure.tgt (aarch64*): Remove code preventing
 785         build.
 786
 787 2013-09-20  Alan Modra  <amodra@gmail.com>
 788
 789         * configure: Regenerate.
 790
 791 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
 792
 793         Update copyright years.
 794
 795 2012-12-18  Ian Lance Taylor  <iant@google.com>
 796
 797         PR go/55201
 798         * Makefile.am (noinst_LTLIBRARIES): Define new make variable.
 799         (libatomic_convenience_la_SOURCES): Likewise.
 800         (libatomic_convenience_la_LIBADD): Likewise.
 801         * Makefile.in: Rebuild.
 802         * testsuite/Makefile.in: Rebuild.
 803
 804 2012-12-04  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 805
 806         * config/arm/arm-config.h (__ARM_ARCH_8A__): New.
 807
 808 2012-11-21  Matthias Klose  <doko@ubuntu.com>
 809
 810         * configure.tgt (i[3456]86): Handle -mx32 like -m64.
 811
 812 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 813
 814         * acinclude.m4 (LIBAT_CHECK_IFUNC): Clarify message.
 815         * configure: Regenerate.
 816
 817         * configure: Regenerate.
 818
 819 2012-10-23  Sofiane Naci <sofiane.naci@arm.com>
 820
 821         Mark libatomic unsupported in AArch64.
 822
 823         * configure.tgt: Mark libatomic unsupported.
 824
 825 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 826
 827         PR other/43620
 828         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 829         * configure: Regenerate.
 830         * Makefile.in: Regenerate.
 831
 832 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 833
 834         * configure: Regenerated.
 835
 836 2012-05-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 837
 838         PR other/53231
 839         * tas_n.c (libat_test_and_set): Correct return.  Remove unused variable.
 840
 841 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 842
 843         * configure: Regenerated.
 844
 845 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 846
 847         PR other/53284
 848         * acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Add -O0 -S to CFLAGS
 849         instead of overriding.
 850         * configure: Regenerate.
 851
 852 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 853
 854         * Makefile.am (libatomic.map-sun): Handle objects in
 855         libatomic_la_LIBADD.
 856         * aclocal.m4: Regenerate.
 857         * Makefile.in: Regenerate.
 858
 859 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 860
 861         * configure.ac: Add $XPCFLAGS to CFLAGS, not $XCFLAGS.
 862         * configure: Regenerate.
 863
 864 2012-05-03  Richard Henderson  <rth@redhat.com>
 865
 866         * configure.ac (AM_MAINTAINER_MODE): New.
 867         * acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Handle compilation
 868         failure in gcc_no_link path.
 869         * configure, aclocal.m4, Makefile.in: Rebuild.
 870
 871 2012-05-01  Richard Henderson  <rth@redhat.com>
 872
 873         * Initial commit.
 874 \f
 875 Copyright (C) 2012-2024 Free Software Foundation, Inc.
 876
 877 Copying and distribution of this file, with or without modification,
 878 are permitted in any medium without royalty provided the copyright
 879 notice and this notice are preserved.