1 2021-07-21 Martin Sebor <msebor@redhat.com>
4 * config/linux/arm/host-config.h (__kernel_helper_version): New
5 function. Adjust shadow macro.
7 2021-01-15 Jakub Jelinek <jakub@redhat.com>
10 * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
11 be added through preprocessor check on
12 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4. Determine if try_ifunc is needed
13 based on preprocessor check on __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
14 or __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8.
16 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
18 * configure: Re-generate.
20 2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
23 * configure: Regenerate.
25 2020-11-29 John David Anglin <danglin@gcc.gnu.org>
27 * configure: Regenerate.
29 2020-10-11 Clement Chigot <clement.chigot@atos.net>
31 * config/t-aix: Delete and recreate libatomic before creating
34 2020-09-27 Clement Chigot <clement.chigot@atos.net>
36 * config/t-aix: Use $(AR) without -X32_64.
38 2020-09-11 Tom de Vries <tdevries@suse.de>
41 * configure.tgt: Add nvptx.
42 * libatomic_i.h (MASK_8, INVERT_MASK_8): New macro definition.
43 * config/nvptx/host-config.h: New file.
44 * config/nvptx/lock.c: New file.
46 2020-09-07 Tom de Vries <tdevries@suse.de>
48 * testsuite/libatomic.c/atomic-generic.c: Include string.h.
50 2020-07-14 David Edelsohn <dje.gcc@gmail.com>
52 * config/t-aix: Set BITS from compiler cpp macro.
54 2020-06-22 David Edelsohn <dje.gcc@gmail.com>
56 * Makefile.am: Use -include.
57 * Makefile.in: Regenerate.
59 2020-06-21 David Edelsohn <dje.gcc@gmail.com>
61 * Makefile.am (tmake_file): Build and install AIX-style FAT libraries.
62 * Makefile.in: Regenerate.
63 * configure.ac (tmake_file): Substitute.
64 * configure: Regenerate.
65 * configure.tgt (powerpc-ibm-aix*): Define tmake_file.
66 * config/t-aix: New file.
68 2020-06-01 Uroš Bizjak <ubizjak@gmail.com>
70 * config/x86/fenv.c (struct fenv): Add __attribute__ ((gcc_struct)).
72 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
75 * configure: Regenerated.
77 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
80 * configure: Regenerated.
82 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
84 * configure: Regenerated.
86 2020-05-06 Uroš Bizjak <ubizjak@gmail.com>
88 * config/x86/fenv.c (__math_force_eval): Remove.
89 (__math_force_eval_div): New define.
90 (__atomic_deraiseexcept): Use __math_force_eval_div to use
91 generic division to generate INVALID, DIVZERO and INEXACT
94 2020-05-01 Uroš Bizjak <ubizjak@gmail.com>
96 * config/x86/fenv.c (__math_force_eval): New define.
97 (__atomic_feraiseexcept): Use __math_force_eval to evaluate
98 generic division to generate INVALID and DIVZERO exceptions.
100 2020-04-19 Uroš Bizjak <ubizjak@gmail.com>
102 * config/x86/fenv.c (__atomic_feraiseexcept) [__SSE_MATH__]:
103 Remove unneeded assignments to volatile memory.
105 2020-04-06 Maciej W. Rozycki <macro@wdc.com>
107 * configure.ac: Add testsuite/libatomic-site-extra.exp to output
109 * configure: Regenerate.
110 * libatomic/testsuite/libatomic-site-extra.exp.in: New file.
111 * testsuite/Makefile.am (EXTRA_DEJAGNU_SITE_CONFIG): New
113 * testsuite/Makefile.in: Regenerate.
115 2020-02-22 Jakub Jelinek <jakub@redhat.com>
118 * Makefile.am (M_DEPS): Guard the empty definition with
119 @AMDEP_FALSE@ rather than @AMDEP_TRUE@.
120 * Makefile.in: Regenerated.
122 2020-02-22 Richard Purdie <rpurdie@rpsys.net>
125 * Makefile.am (M_DEPS): Honor -disable-dependency-tracking.
126 * Makefile.in: Regenerated.
128 2020-01-24 Maciej W. Rozycki <macro@wdc.com>
130 * configure.ac: Handle `--with-toolexeclibdir='.
131 * Makefile.in: Regenerate.
132 * aclocal.m4: Regenerate.
133 * configure: Regenerate.
134 * testsuite/Makefile.in: Regenerate.
136 2020-01-01 Jakub Jelinek <jakub@redhat.com>
138 Update copyright years.
140 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
142 * configure: Regenerate.
144 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
146 * configure.tgt: Handle arm*-*-uclinux*.
147 * configure: Regenerate.
149 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
152 * acinclude.m4 (LIBAT_CHECK_LINKER_FEATURES): Fix GNU ld --version
153 scanning to conform to the GNU Coding Standards.
154 * configure: Regenerate.
156 2019-06-14 Matt Thomas <matt@3am-software.com>
157 Matthew Green <mrg@eterna.com.au>
158 Nick Hudson <skrll@netbsd.org>
159 Maya Rashish <coypu@sdf.org>
161 * configure.tgt (arm*): Handle NetBSD in the same way as FreeBSD.
163 2019-01-01 Jakub Jelinek <jakub@redhat.com>
165 Update copyright years.
167 2018-10-31 Joseph Myers <joseph@codesourcery.com>
170 * Makefile.am: Include multilib.am.
171 * acinclude.m4: Use AC_LANG_SOURCE.
172 * configure.ac: Remove AC_PREREQ.
173 * testsuite/Makefile.am (RUNTEST): Remove quotes.
174 * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
177 2018-06-21 Christophe Lyon <christophe.lyon@linaro.org>
179 * config/arm/arm-config.h (__ARM_ARCH__): Remove definitions, use
180 __ARM_ARCH instead. Use __ARM_FEATURE_LDREX to define HAVE_STREX
183 2018-05-23 Florian Weimer <fweimer@redhat.com>
186 x86: Do not assume ELF constructors run before IFUNC resolvers.
187 * config/x86/host-config.h (libat_feat1_ecx, libat_feat1_edx):
189 (__libat_feat1, __libat_feat1_init): Declare.
190 (FEAT1_REGISTER): Define.
191 (load_feat1): New function.
192 (IFUNC_COND_1): Adjust.
193 * config/x86/init.c (libat_feat1_ecx, libat_feat1_edx)
194 (init_cpuid): Remove definitions.
195 (__libat_feat1): New variable.
196 (__libat_feat1_init): New function.
198 2018-05-02 Tom de Vries <tom@codesourcery.com>
201 * testsuite/lib/libatomic.exp: Include scanltranstree.exp.
203 2018-05-02 Tom de Vries <tom@codesourcery.com>
206 * testsuite/lib/libatomic.exp: Include scanwpaipa.exp.
208 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
210 * configure: Regenerated.
212 2018-04-19 Jakub Jelinek <jakub@redhat.com>
214 * configure: Regenerated.
216 2018-04-18 David Malcolm <dmalcolm@redhat.com>
219 * configure: Regenerate.
221 2018-03-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
223 * config/s390/exch_n.c: New file.
224 * configure.tgt: Add the config directory for s390.
226 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
229 * configure: Regenerate.
231 2018-01-03 Jakub Jelinek <jakub@redhat.com>
233 Update copyright years.
235 2017-12-14 Steve Ellcey <sellcey@cavium.com>
237 * Makefile.am (IFUNC_OPTIONS): Change aarch64
238 option from -march=armv8.1-a to -march=armv8-a+lse.
239 * configure.ac (*aarch64*): Check to see if
240 compiler understands -march=armv8-a+lse option.
241 * configure.tgt (*aarch64*): Only set try_ifunc
242 if compiler understands -march=armv8-a+lse option.
243 * Makefile.in: Regenerate.
244 * testsuite/Makefile.in: Regenerate.
245 * configure: Regenerate.
246 * aclocal.m4: Regenerate.
248 2017-12-04 Steve Ellcey <sellcey@cavium.com>
250 * Makefile.am (ARCH_AARCH64_LINUX): Add IFUNC_OPTIONS and
252 * config/linux/aarch64/host-config.h: New file.
253 * configure.ac (IFUNC_RESOLVER_ARGS): Define.
254 (ARCH_AARCH64_LINUX): New conditional for IFUNC builds.
255 * configure.tgt (aarch64): Set ARCH and try_ifunc.
256 (aarch64*-*-linux*) Update config_path.
257 (aarch64*-*-linux*) Set IFUNC_RESOLVER_ARGS.
258 * libatomic_i.h (GEN_SELECTOR): Add IFUNC_RESOLVER_ARGS argument.
259 * Makefile.in: Regenerate.
260 * auto-config.h.in: Regenerate.
261 * configure: Regenerate.
263 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
265 * configure.ac: Set CET_FLAGS, update XCFLAGS.
266 * acinclude.m4: Add cet.m4 and enable.m4.
267 * configure: Regenerate.
268 * Makefile.in: Likewise.
269 * testsuite/Makefile.in: Likewise.
271 2017-10-20 Richard Earnshaw <rearnsha@arm.com>
273 * Makefile.am: (IFUNC_OPTIONS): Set the architecture to
274 -march=armv7-a+fp on Linux/Arm.
275 * Makefile.in: Regenerated.
277 2017-10-02 Martin Sebor <msebor@redhat.com>
280 * acinclude.m4 (LIBAT_CHECK_IFUNC): Have ifunc resolver return
281 a function pointer rather than void* to avoid GCC 8 warnings.
282 * configure: Regenerate.
283 * libatomic_i.h: Declare ifunc resolvers to return function
284 pointers rather than void*.
286 2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
288 * testsuite/lib/libatomic.exp: Load scanlang.exp.
290 2017-02-06 Palmer Dabbelt <palmer@dabbelt.com>
292 * configure.tgt: Add RISC-V tuple.
294 2017-02-01 Richard Henderson <rth@redhat.com>
295 Torvald Riegel <triegel@redhat.com>
297 * acinclude.m4: Add #define FAST_ATOMIC_LDST_*.
298 * auto-config.h.in: Regenerate.
299 * config/x86/host-config.h (FAST_ATOMIC_LDST_16): Define to 0.
300 (atomic_compare_exchange_n): New.
301 * glfree.c (EXACT, LARGER): Change condition and add comments.
303 2017-01-30 Szabolcs Nagy <szabolcs.nagy@arm.com>
306 * config/arm/exch_n.c (libat_exchange): Check __ARM_FEATURE_SIMD32.
308 2017-01-21 Jakub Jelinek <jakub@redhat.com>
311 * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
312 of cat to get version from BASE-VER file.
313 * testsuite/Makefile.in: Regenerated.
315 2017-01-17 Jakub Jelinek <jakub@redhat.com>
318 * configure.ac: Add GCC_BASE_VER.
319 * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
320 get version from BASE-VER file.
321 * testsuite/Makefile.in: Regenerated.
322 * configure: Regenerated.
323 * Makefile.in: Regenerated.
325 2017-01-01 Jakub Jelinek <jakub@redhat.com>
327 Update copyright years.
329 2016-11-15 Matthias Klose <doko@ubuntu.com>
331 * configure: Regenerate.
333 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
335 * configure.tgt (configure_tgt_pre_target_cpu_XCFLAGS): New variable.
336 (*-*-rtems*): New supported target.
337 * config/rtems/host-config.h: New file.
338 * config/rtems/lock.c: Likewise.
340 2016-04-25 H.J. Lu <hongjiu.lu@intel.com>
343 * configure.tgt (XCFLAGS): Revert the last change.
345 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
348 * configure.tgt (XCFLAGS): Don't add -march=i486 to compile
349 32-bit x86 target library on x86-64.
351 2016-01-06 Szabolcs Nagy <szabolcs.nagy@arm.com>
354 * Makefile.am (all-multi): Add dependency.
355 * Makefile.in: Regenerate.
357 2016-01-04 Jakub Jelinek <jakub@redhat.com>
359 Update copyright years.
361 2015-11-18 Joseph Myers <joseph@codesourcery.com>
364 * fence.c, flag.c: New files.
365 * Makefile.am (libatomic_la_SOURCES): Add fence.c and flag.c.
366 * Makefile.in: Regenerate.
367 * configure.ac (libtool_VERSION): Change to 3:0:2.
368 * configure: Regenerate.
369 * libatomic.map (LIBATOMIC_1.2): New symbol version.
371 2015-10-09 David Malcolm <dmalcolm@redhat.com>
373 * testsuite/lib/libatomic.exp: Load multiline.exp before
374 prune.exp, using load_gcc_lib.
376 2015-07-14 John Marino <gnugcc@marino.st>
378 * configure.tgt: Add *-*-dragonfly to supported targets.
380 2015-01-21 Andrew Waterman <waterman@cs.berkeley.edu>
382 * fop_n.c (libat_fetch_op): Align address to word boundary.
383 (libat_op_fetch): Likewise.
385 2015-01-16 Ilya Verbin <ilya.verbin@intel.com>
388 * testsuite/lib/libatomic.exp: Do not load gcc-dg.exp.
389 * testsuite/libatomic.c/c.exp: Load gcc-dg.exp.
391 2015-01-09 Andreas Tobler <andreast@gcc.gnu.org>
393 * configure.tgt: Exclude arm*-*-freebsd* from try_ifunc.
395 2015-01-05 Jakub Jelinek <jakub@redhat.com>
397 Update copyright years.
399 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
401 * testsuite/lib/libatomic.exp: Load target-utils.exp
403 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
406 * configure: Regenerated.
408 2014-11-13 Andrew Waterman <waterman@cs.berkeley.edu>
410 * cas_n.c (libat_compare_exchange): Add missing cast.
412 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
415 * configure: Regenerate.
417 2014-08-19 Yaakov Selkowitz <yselkowi@redhat.com>
419 * configure.tgt: Add cygwin to supported targets.
421 2014-07-18 Uros Bizjak <ubizjak@gmail.com>
423 * configure.tgt (alpha*): Add -mfp-trap-mode=sui to XCFLAGS.
425 2014-06-17 Kai Tietz <ktietz@redhat.com>
427 * Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.
428 * configure.ac (ACX_LT_HOST_FLAGS): New.
429 (target_thread_file): New.
430 * configure.tgt (mingw): Add mingw support.
431 * config/mingw/host-config.h: New file.
432 * config/mingw/lock.c: Likewise.
433 * Makefile.in: Regenerated.
434 * configure: Likewise.
435 * aclocal.m4: Likewise.
436 * testsuite/Makefile.in: Likewise.
438 2014-02-20 Richard Henderson <rth@redhat.com>
441 * cas_n.c (libat_compare_exchange): Conditionalize on failure
442 the store back to EPTR.
444 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
446 Update copyright years
448 2013-12-09 Uros Bizjak <ubizjak@gmail.com>
450 * config/x86/fenv.c (__atomic_feraiseexcept): Emit SSE
451 instructions when __SSE_MATH__ is defined.
453 2013-11-18 Joseph Myers <joseph@codesourcery.com>
455 * testsuite/libatomic.c/atomic-compare-exchange-1.c,
456 testsuite/libatomic.c/atomic-compare-exchange-2.c,
457 testsuite/libatomic.c/atomic-compare-exchange-3.c,
458 testsuite/libatomic.c/atomic-compare-exchange-4.c,
459 testsuite/libatomic.c/atomic-compare-exchange-5.c,
460 testsuite/libatomic.c/atomic-exchange-1.c,
461 testsuite/libatomic.c/atomic-exchange-2.c,
462 testsuite/libatomic.c/atomic-exchange-3.c,
463 testsuite/libatomic.c/atomic-exchange-4.c,
464 testsuite/libatomic.c/atomic-exchange-5.c,
465 testsuite/libatomic.c/atomic-generic.c,
466 testsuite/libatomic.c/atomic-load-1.c,
467 testsuite/libatomic.c/atomic-load-2.c,
468 testsuite/libatomic.c/atomic-load-3.c,
469 testsuite/libatomic.c/atomic-load-4.c,
470 testsuite/libatomic.c/atomic-load-5.c,
471 testsuite/libatomic.c/atomic-op-1.c,
472 testsuite/libatomic.c/atomic-op-2.c,
473 testsuite/libatomic.c/atomic-op-3.c,
474 testsuite/libatomic.c/atomic-op-4.c,
475 testsuite/libatomic.c/atomic-op-5.c,
476 testsuite/libatomic.c/atomic-store-1.c,
477 testsuite/libatomic.c/atomic-store-2.c,
478 testsuite/libatomic.c/atomic-store-3.c,
479 testsuite/libatomic.c/atomic-store-4.c,
480 testsuite/libatomic.c/atomic-store-5.c: Declare main as returning
481 int. Do not require built-in sync support or add target-specific
483 * testsuite/libatomic.c/atomic-exchange-1.c,
484 testsuite/libatomic.c/atomic-exchange-2.c,
485 testsuite/libatomic.c/atomic-exchange-3.c,
486 testsuite/libatomic.c/atomic-exchange-4.c,
487 testsuite/libatomic.c/atomic-exchange-5.c: Separate increments of
488 count from expression using value of count.
490 2013-11-10 Uros Bizjak <ubizjak@gmail.com>
492 * config/x86/fenv.c: New file.
494 2013-11-07 Joseph Myers <joseph@codesourcery.com>
497 * libatomic.map (LIBATOMIC_1.1): New symbol version. Include
498 __atomic_feraiseexcept.
499 * configure.ac (libtool_VERSION): Change to 2:0:1.
500 (fenv.h): Test for header.
501 * Makefile.am (libatomic_la_SOURCES): Add fenv.c.
502 * Makefile.in, auto-config.h.in, configure: Regenerate.
504 2013-10-17 Michael Hudson-Doyle <michael.hudson@linaro.org>
506 * libatomic/configure.tgt (aarch64*): Remove code preventing
509 2013-09-20 Alan Modra <amodra@gmail.com>
511 * configure: Regenerate.
513 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
515 Update copyright years.
517 2012-12-18 Ian Lance Taylor <iant@google.com>
520 * Makefile.am (noinst_LTLIBRARIES): Define new make variable.
521 (libatomic_convenience_la_SOURCES): Likewise.
522 (libatomic_convenience_la_LIBADD): Likewise.
523 * Makefile.in: Rebuild.
524 * testsuite/Makefile.in: Rebuild.
526 2012-12-04 Marcus Shawcroft <marcus.shawcroft@arm.com>
528 * config/arm/arm-config.h (__ARM_ARCH_8A__): New.
530 2012-11-21 Matthias Klose <doko@ubuntu.com>
532 * configure.tgt (i[3456]86): Handle -mx32 like -m64.
534 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
536 * acinclude.m4 (LIBAT_CHECK_IFUNC): Clarify message.
537 * configure: Regenerate.
539 * configure: Regenerate.
541 2012-10-23 Sofiane Naci <sofiane.naci@arm.com>
543 Mark libatomic unsupported in AArch64.
545 * configure.tgt: Mark libatomic unsupported.
547 2012-09-20 Jakub Jelinek <jakub@redhat.com>
550 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
551 * configure: Regenerate.
552 * Makefile.in: Regenerate.
554 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
556 * configure: Regenerated.
558 2012-05-22 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
561 * tas_n.c (libat_test_and_set): Correct return. Remove unused variable.
563 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
565 * configure: Regenerated.
567 2012-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
570 * acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Add -O0 -S to CFLAGS
571 instead of overriding.
572 * configure: Regenerate.
574 2012-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
576 * Makefile.am (libatomic.map-sun): Handle objects in
578 * aclocal.m4: Regenerate.
579 * Makefile.in: Regenerate.
581 2012-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
583 * configure.ac: Add $XPCFLAGS to CFLAGS, not $XCFLAGS.
584 * configure: Regenerate.
586 2012-05-03 Richard Henderson <rth@redhat.com>
588 * configure.ac (AM_MAINTAINER_MODE): New.
589 * acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Handle compilation
590 failure in gcc_no_link path.
591 * configure, aclocal.m4, Makefile.in: Rebuild.
593 2012-05-01 Richard Henderson <rth@redhat.com>
597 Copyright (C) 2012-2021 Free Software Foundation, Inc.
599 Copying and distribution of this file, with or without modification,
600 are permitted in any medium without royalty provided the copyright
601 notice and this notice are preserved.