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Commit | Line | Data |
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1 | 2018-10-31 Joseph Myers <joseph@codesourcery.com> | |
2 | ||
3 | PR bootstrap/82856 | |
4 | * Makefile.am: Include multilib.am. | |
5 | (AUTOMAKE_OPTIONS): Add info-in-builddir. | |
6 | (CLEANFILES): Remove libitm.info. | |
7 | * configure.ac: Remove AC_PREREQ. | |
8 | * testsuite/Makefile.am (RUNTEST): Remove quotes. | |
9 | * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in: | |
10 | Regenerate. | |
11 | ||
12 | 2018-10-30 Nicholas Krause <xerofoify@gmail.com> | |
13 | ||
14 | PR libitm/86293 | |
15 | * method-serial.cc: Mark varible as potentially unused | |
16 | to silence warning. | |
17 | ||
18 | 2018-08-03 Sergei Trofimovich <slyfox@gentoo.org> | |
19 | ||
20 | * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid | |
21 | absolute relocation in a shared library. | |
22 | ||
23 | 2018-06-12 H.J. Lu <hongjiu.lu@intel.com> | |
24 | ||
25 | PR libitm/85988 | |
26 | * config/linux/x86/tls.h (SEG_READ): Use the offset of | |
27 | __private_tm as base. | |
28 | (SEG_WRITE): Likewise. | |
29 | (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32. | |
30 | (gtm_thr): Replace SEG_READ(10) with SEG_READ(0). | |
31 | (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0). | |
32 | (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1). | |
33 | (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with | |
34 | ||
35 | 2018-05-17 Jason Merrill <jason@redhat.com> | |
36 | ||
37 | * beginend.cc (save): Disable -Werror=deprecated-copy. | |
38 | ||
39 | 2018-05-02 Tom de Vries <tom@codesourcery.com> | |
40 | ||
41 | PR testsuite/85106 | |
42 | * testsuite/lib/libitm.exp: Include scanltranstree.exp. | |
43 | ||
44 | 2018-05-02 Tom de Vries <tom@codesourcery.com> | |
45 | ||
46 | PR testsuite/85106 | |
47 | * testsuite/lib/libitm.exp: Include scanwpaipa.exp. | |
48 | ||
49 | 2018-04-24 H.J. Lu <hongjiu.lu@intel.com> | |
50 | ||
51 | * config/x86/sjlj.S (_ITM_beginTransaction): Add | |
52 | (__CET__ & 2) != 0 check for shadow stack. | |
53 | (GTM_longjmp): Likewise. | |
54 | ||
55 | 2018-04-24 H.J. Lu <hongjiu.lu@intel.com> | |
56 | ||
57 | * configure: Regenerated. | |
58 | ||
59 | 2018-04-23 H.J. Lu <hongjiu.lu@intel.com> | |
60 | ||
61 | PR target/85489 | |
62 | * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja. | |
63 | ||
64 | 2018-04-19 Jakub Jelinek <jakub@redhat.com> | |
65 | ||
66 | * configure: Regenerated. | |
67 | ||
68 | 2018-04-18 David Malcolm <dmalcolm@redhat.com> | |
69 | ||
70 | PR jit/85384 | |
71 | * configure: Regenerate. | |
72 | ||
73 | 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com> | |
74 | ||
75 | PR target/84148 | |
76 | * configure: Regenerate. | |
77 | ||
78 | 2018-01-03 Jakub Jelinek <jakub@redhat.com> | |
79 | ||
80 | Update copyright years. | |
81 | ||
82 | * libitm.texi: Bump @copying's copyright year. | |
83 | ||
84 | 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com> | |
85 | ||
86 | * Makefile.in: Regenerate. | |
87 | * acinclude.m4: Add enable.m4 and cet.m4. | |
88 | * config/x86/sjlj.S: Include cet.h. | |
89 | (_ITM_beginTransaction): Add _CET_ENDBR. | |
90 | Save Shadow Stack pointer. | |
91 | (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer. | |
92 | * config/x86/target.h (struct gtm_jmpbuf): | |
93 | Add new field for Shadow Stack pointer. | |
94 | * configure: Regenerate. | |
95 | * configure.ac: Set CET_FLAGS. Update XCFLAGS. | |
96 | * configure.ac: Update libtool_VERSION for x86. | |
97 | * testsuite/Makefile.in: Regenerate. | |
98 | ||
99 | 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com> | |
100 | ||
101 | * libitm/config/x86/target.h: Add new field (ssp). | |
102 | * libitm/config/x86/sjlj.S: Change offsets. | |
103 | ||
104 | 2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
105 | ||
106 | * testsuite/lib/libitm.exp: Load scanlang.exp. | |
107 | ||
108 | 2017-04-03 Jonathan Wakely <jwakely@redhat.com> | |
109 | ||
110 | * libitm_i.h (sutrct gtm_thread): Fix typo in comment. | |
111 | ||
112 | 2017-01-21 Jakub Jelinek <jakub@redhat.com> | |
113 | ||
114 | PR other/79046 | |
115 | * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead | |
116 | of cat to get version from BASE-VER file. | |
117 | * testsuite/Makefile.in: Regenerated. | |
118 | ||
119 | 2017-01-19 Uros Bizjak <ubizjak@gmail.com> | |
120 | ||
121 | * config/x86/target.h (htm_available): Determine vendor from | |
122 | __get_cpuid_max return. Use signature_INTEL_ebx. Cleanup. | |
123 | ||
124 | 2017-01-18 Torvald Riegel <triegel@redhat.com> | |
125 | ||
126 | * config/x86/target.h (htm_available): Add check for some processors | |
127 | on which TSX is broken. | |
128 | ||
129 | 2017-01-17 Jakub Jelinek <jakub@redhat.com> | |
130 | ||
131 | PR other/79046 | |
132 | * configure.ac: Add GCC_BASE_VER. | |
133 | * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to | |
134 | get version from BASE-VER file. | |
135 | * testsuite/Makefile.in: Regenerated. | |
136 | * configure: Regenerated. | |
137 | * Makefile.in: Regenerated. | |
138 | ||
139 | 2017-01-04 Alan Modra <amodra@gmail.com> | |
140 | ||
141 | * Makefile.in: Regenerate. | |
142 | * testsuite/Makefile.in: Regenerate. | |
143 | ||
144 | 2017-01-01 Jakub Jelinek <jakub@redhat.com> | |
145 | ||
146 | Update copyright years. | |
147 | ||
148 | * libitm.texi: Bump @copying's copyright year. | |
149 | ||
150 | 2016-12-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
151 | ||
152 | * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove. | |
153 | * aclocal.m4: Regenerate. | |
154 | * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of | |
155 | LIBITM_CHECK_LINKER_HWCAP. | |
156 | ||
157 | 2016-11-15 Matthias Klose <doko@ubuntu.com> | |
158 | ||
159 | * configure: Regenerate. | |
160 | ||
161 | 2016-04-19 H.J. Lu <hongjiu.lu@intel.com> | |
162 | ||
163 | PR libitm/70456 | |
164 | * util.cc (xmalloc): Use posix_memalign to allocate memory on | |
165 | on cache line if requested. | |
166 | ||
167 | 2016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com> | |
168 | ||
169 | * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define | |
170 | function attribute to disable floating point in begin_transaction() on | |
171 | S/390. | |
172 | * beginend.cc (begin_transaction): Use | |
173 | TARGET_BEGIN_TRANSACTION_ATTRIBUTE. | |
174 | ||
175 | 2016-01-22 Torvald Riegel <triegel@redhat.com> | |
176 | ||
177 | * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline | |
178 | boundary. | |
179 | (htm_fastpath): Remove. | |
180 | (gtm_thread::begin_transaction): Fix HTM fastpath. | |
181 | (_ITM_commitTransaction): Adapt. | |
182 | (_ITM_commitTransactionEH): Adapt. | |
183 | * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member | |
184 | and accessors. | |
185 | * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise. | |
186 | * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt. | |
187 | * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath. | |
188 | * libitm/libitm_i.h (htm_fastpath): Remove declaration. | |
189 | * libitm/method-serial.cc (htm_mg): Adapt. | |
190 | (gtm_thread::serialirr_mode): Adapt. | |
191 | * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt. | |
192 | ||
193 | 2016-01-21 Torvald Riegel <triegel@redhat.com> | |
194 | ||
195 | * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin | |
196 | or AIX. | |
197 | ||
198 | 2016-01-19 Richard Henderson <rth@redhat.com> | |
199 | ||
200 | PR bootstrap/69343 | |
201 | PR bootstrap/69339 | |
202 | Revert: | |
203 | 2016-01-13 Richard Henderson <rth@redhat.com> | |
204 | ||
205 | * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc | |
206 | (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc | |
207 | (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc | |
208 | (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc | |
209 | * configure.ac (ARCH_AARCH64): New conditional. | |
210 | (ARCH_PPC, ARCH_S390): Likewise. | |
211 | * Makefile.in, configure: Rebuild. | |
212 | ||
213 | * libitm.h (_ITM_TYPE_M128): Always define. | |
214 | * vect64.cc: Split ... | |
215 | * vect128.cc: ... out of... | |
216 | * config/x86/x86_sse.cc: ... here. | |
217 | * config/arm/neon.cc: New file. | |
218 | ||
219 | 2016-01-19 Torvald Riegel <triegel@redhat.com> | |
220 | ||
221 | * local_type_traits: Remove file. | |
222 | * libitm_i.h: Don't include it anymore. | |
223 | (sized_integral): Remove. | |
224 | ||
225 | 2016-01-16 Torvald Riegel <triegel@redhat.com> | |
226 | ||
227 | * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization | |
228 | safety. | |
229 | * method-ml.cc (ml_wt_dispatch::trycommit): Likewise. | |
230 | * libitm/testsuite/libitm.c/priv-1.c: New. | |
231 | ||
232 | 2015-01-15 Torvald Riegel <triegel@redhat.com> | |
233 | ||
234 | testsuite/libitm.c++/libstdc++-safeexc.C: New. | |
235 | ||
236 | 2016-01-13 Torvald Riegel <triegel@redhat.com> | |
237 | ||
238 | * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences. | |
239 | * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise. | |
240 | (gtm_rwlock::write_unlock): Likewise. | |
241 | ||
242 | 2016-01-13 Richard Henderson <rth@redhat.com> | |
243 | ||
244 | * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc | |
245 | (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc | |
246 | (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc | |
247 | (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc | |
248 | * configure.ac (ARCH_AARCH64): New conditional. | |
249 | (ARCH_PPC, ARCH_S390): Likewise. | |
250 | * Makefile.in, configure: Rebuild. | |
251 | ||
252 | * libitm.h (_ITM_TYPE_M128): Always define. | |
253 | * vect64.cc: Split ... | |
254 | * vect128.cc: ... out of... | |
255 | * config/x86/x86_sse.cc: ... here. | |
256 | * config/arm/neon.cc: New file. | |
257 | ||
258 | 2016-01-13 Torvald Riegel <triegel@redhat.com> | |
259 | ||
260 | * beginend.cc (gtm_thread::trycommit): Fix privatization safety. | |
261 | * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise. | |
262 | * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise. | |
263 | * dispatch.h (abi_dispatch::snapshot_most_recent): New. | |
264 | * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New. | |
265 | * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New. | |
266 | * method-serial.cc (serial_dispatch::snapshot_most_recent): New. | |
267 | (serialirr_dispatch::snapshot_most_recent): New. | |
268 | (serialirr_onwrite_dispatch::snapshot_most_recent): New. | |
269 | ||
270 | 2016-01-12 Torvald Riegel <triegel@redhat.com> | |
271 | ||
272 | * libitm_i.h (gtm_mask_stack): Remove. | |
273 | * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise. | |
274 | * stmlock.h: Remove file. | |
275 | * config/alpha/cacheline.h: Likewise. | |
276 | * config/generic/cacheline.h: Likewise. | |
277 | * config/powerpc/cacheline.h: Likewise. | |
278 | * config/sparc/cacheline.h: Likewise. | |
279 | * config/x86/cacheline.h: Likewise. | |
280 | ||
281 | 2016-01-04 Jakub Jelinek <jakub@redhat.com> | |
282 | ||
283 | Update copyright years. | |
284 | ||
285 | * libitm.texi: Bump @copying's copyright year. | |
286 | ||
287 | 2015-11-26 Torvald Riegel <triegel@redhat.com> | |
288 | ||
289 | * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing. | |
290 | (ml_wt_dispatch::pre_write): Adapt. | |
291 | (ml_wt_dispatch::pre_load): Likewise. | |
292 | ||
293 | 2015-11-22 Torvald Riegel <triegel@redhat.com> | |
294 | ||
295 | * libitm_i.h (gtm_alloc_action): Remove union. | |
296 | * testsuite/libitm.c/alloc-1.c: New. | |
297 | ||
298 | 2015-11-19 Torvald Riegel <triegel@redhat.com> | |
299 | ||
300 | * testsuite/libitm.c++/eh-5.C: New. | |
301 | * libitm.h (_ITM_cxa_free_exception): New. | |
302 | * libitm.map (_ITM_cxa_free_exception): Add it. | |
303 | * libitm.texi: Update ABI docs. | |
304 | * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove. | |
305 | (gtm_transaction_cp::cxa_uncaught_count): Add. | |
306 | (gtm_thread::cxa_unthrown): Remove. | |
307 | (gtm_thread::cxa_uncaught_count_ptr): Add. | |
308 | (gtm_thread::cxa_uncaught_count): Add. | |
309 | (gtm_thread::drop_references_allocations): Rename to... | |
310 | (gtm_thread::discard_allocation): ... this and adapt. | |
311 | (gtm_thread::init_cpp_exceptions): New. | |
312 | * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling. | |
313 | (gtm_thread::begin_transaction): Likewise. | |
314 | (gtm_transaction_cp::save): Likewise. | |
315 | (gtm_thread::trycommit): Likewise. | |
316 | * eh_cpp.cc: Add overview comments. | |
317 | (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare. | |
318 | (free_any_exception, _ITM_cxa_free_exception): New. | |
319 | (gtm_thread::init_cpp_exceptions): Define. | |
320 | (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt. | |
321 | (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise. | |
322 | (gtm_thread::revert_cpp_exceptions): Likewise. | |
323 | ||
324 | 2015-11-09 Torvald Riegel <triegel@redhat.com> | |
325 | ||
326 | * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX, | |
327 | _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New. | |
328 | * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t. | |
329 | * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments. | |
330 | (gtm_thread::forget_allocations): New overload with size_t argument. | |
331 | * alloc.c (gtm_thread::forget_allocation): Define new overload and | |
332 | adapt existing one. | |
333 | (gtm_thread::record_allocation): Adapt. | |
334 | (gtm_thread::commit_allocations_1): Adapt. | |
335 | (gtm_thread::commit_allocations_2): Adapt. | |
336 | * testsuite/libitm.c++/newdelete.C: New. | |
337 | ||
338 | 2015-10-27 Daniel Jacobowitz <dan@codesourcery.com> | |
339 | Joseph Myers <joseph@codesourcery.com> | |
340 | Mark Shinwell <shinwell@codesourcery.com> | |
341 | Andrew Stubbs <ams@codesourcery.com> | |
342 | Rich Felker <dalias@libc.org> | |
343 | ||
344 | * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling | |
345 | GTM_begin_transaction for compatibility with FDPIC. | |
346 | ||
347 | 2015-10-09 David Malcolm <dmalcolm@redhat.com> | |
348 | ||
349 | * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp, | |
350 | using load_gcc_lib. | |
351 | ||
352 | 2015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change) | |
353 | ||
354 | PR libitm/61164 | |
355 | * local_atomic (__always_inline): Rename to... | |
356 | (__libitm_always_inline): ... this. | |
357 | ||
358 | 2015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com> | |
359 | ||
360 | PR target/52482 | |
361 | * config/powerpc/sjlj.S: Port to Xcode 2.5. | |
362 | ||
363 | 2015-05-27 Uros Bizjak <ubizjak@gmail.com> | |
364 | ||
365 | * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change | |
366 | operands "op" and "val" to int. | |
367 | ||
368 | 2015-05-27 Uros Bizjak <ubizjak@gmail.com> | |
369 | ||
370 | * config/linux/sh/futex_bits.h (sys_futex0) Change operands | |
371 | "op" and "val" to int. | |
372 | ||
373 | 2015-05-27 Uros Bizjak <ubizjak@gmail.com> | |
374 | ||
375 | * config/linux/alpha/futex_bits.h (sys_futex0) Change operands | |
376 | "op" and "val" to int. | |
377 | ||
378 | 2015-05-27 Uros Bizjak <ubizjak@gmail.com> | |
379 | ||
380 | * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake): | |
381 | Declare as static int. | |
382 | (FUTEX_PRIVATE_FLAG): Remove L suffix. | |
383 | * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int. | |
384 | ||
385 | 2015-05-27 Uros Bizjak <ubizjak@gmail.com> | |
386 | ||
387 | * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove | |
388 | sys_futex0 function. | |
389 | ||
390 | 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com> | |
391 | ||
392 | * Makefile.in: Regenerated with automake-1.11.6. | |
393 | * aclocal.m4: Likewise. | |
394 | * configure: Likewise. | |
395 | * testsuite/Makefile.in: Likewise. | |
396 | ||
397 | 2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca> | |
398 | ||
399 | * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h. | |
400 | * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined. | |
401 | ||
402 | 2015-01-15 H.J. Lu <hongjiu.lu@intel.com> | |
403 | ||
404 | PR libitm/64360 | |
405 | * libitm.c/stackundo.c (test2): Make it static. | |
406 | (test1): Likewise. | |
407 | ||
408 | 2015-01-05 Jakub Jelinek <jakub@redhat.com> | |
409 | ||
410 | Update copyright years. | |
411 | ||
412 | 2015-01-05 Jakub Jelinek <jakub@redhat.com> | |
413 | ||
414 | * libitm.texi: Bump @copying's copyright year. | |
415 | ||
416 | 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com> | |
417 | ||
418 | * testsuite/lib/libitm.exp: Load target-utils.exp. | |
419 | Move load of target-supports.exp earlier. | |
420 | ||
421 | 2014-12-03 Uros Bizjak <ubizjak@gmail.com> | |
422 | ||
423 | * configure.tgt (x86_64): Tune -m32 multilib to generic. | |
424 | ||
425 | 2014-11-21 H.J. Lu <hongjiu.lu@intel.com> | |
426 | ||
427 | PR bootstrap/63784 | |
428 | * configure: Regenerated. | |
429 | ||
430 | 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> | |
431 | ||
432 | PR target/63610 | |
433 | * configure: Regenerate. | |
434 | ||
435 | 2014-10-06 Marek Polacek <polacek@redhat.com> | |
436 | ||
437 | * testsuite/libitm.c/memcpy-1.c: Declare getpagesize. | |
438 | * testsuite/libitm.c/memset-1.c: Likewise. | |
439 | ||
440 | 2014-07-24 Richard Henderson <rth@redhat.com> | |
441 | ||
442 | * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc | |
443 | addressing mode in epilogue. | |
444 | ||
445 | 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
446 | ||
447 | * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for | |
448 | -mclear-hwcap instead. | |
449 | * configure: Regenerate. | |
450 | * clearcap.map: Remove. | |
451 | ||
452 | 2014-05-21 John Marino <gnugcc@marino.st> | |
453 | ||
454 | * configure.tgt (*-*-dragonfly*): New target. | |
455 | ||
456 | 2014-05-19 Richard Henderson <rth@redhat.com> | |
457 | ||
458 | * config/aarch64/sjlj.S: New file. | |
459 | * config/aarch64/target.h: New file. | |
460 | * configure.tgt: Enable aarch64. | |
461 | ||
462 | 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
463 | ||
464 | * config/generic/asmcfi.h: Also check for | |
465 | __GCC_HAVE_DWARF2_CFI_ASM. | |
466 | ||
467 | 2013-04-02 Richard Henderson <rth@redhat.com> | |
468 | ||
469 | * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove. | |
470 | * config/arm/target.h, config/sh/target.h: Likewise. | |
471 | * config/sparc/target.h, config/x86/target.h: Likewise. | |
472 | ||
473 | 2014-03-26 Jakub Jelinek <jakub@redhat.com> | |
474 | ||
475 | * config/linux/futex_bits.h: Include errno.h. | |
476 | (sys_futex0): If syscall returns -1, return -errno rather than | |
477 | -1. | |
478 | ||
479 | 2014-03-26 Joseph Myers <joseph@codesourcery.com> | |
480 | ||
481 | * libitm.texi (Index): Rename to Library Index. | |
482 | ||
483 | 2014-01-13 H.J. Lu <hongjiu.lu@intel.com> | |
484 | ||
485 | PR libitm/53113 | |
486 | * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS. | |
487 | (x86_avx.lo): Append -mavx to CXXFLAGS. | |
488 | * Makefile.in: Regenerate. | |
489 | ||
490 | 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com> | |
491 | ||
492 | Update copyright years | |
493 | ||
494 | 2014-01-02 Tobias Burnus <burnus@net-b.de> | |
495 | ||
496 | * libitm.texi: Bump @copying's copyright year. | |
497 | ||
498 | 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> | |
499 | ||
500 | * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]: | |
501 | (FUNC): Define ELFv2 variant. | |
502 | (END): Likewise. | |
503 | (HIDDEN): Likewise. | |
504 | (CALL): Likewise. | |
505 | (BASE): Likewise. | |
506 | (LR_SAVE): Likewise. | |
507 | ||
508 | 2013-09-20 Alan Modra <amodra@gmail.com> | |
509 | ||
510 | * configure: Regenerate. | |
511 | ||
512 | 2013-08-30 Torvald Riegel <triegel@redhat.com> | |
513 | ||
514 | * config/posix/rwlock.cc: Fix initialization order. | |
515 | ||
516 | 2013-08-30 Torvald Riegel <triegel@redhat.com> | |
517 | ||
518 | * libitm_i.h (gtm_thread): Assign an asm name to serial_lock. | |
519 | (htm_fastpath): Assign an asm name. | |
520 | * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom | |
521 | HTM fast paths. | |
522 | (_ITM_actions): Likewise. | |
523 | * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on | |
524 | x86_64. | |
525 | * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path. | |
526 | * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary | |
527 | field to the start of the structure. | |
528 | * config/linux/rwlock.h (gtm_rwlock): Update comments. | |
529 | * beginend.cc (gtm_thread::begin_transaction): Add retry policy | |
530 | handling for custom HTM fast paths. | |
531 | ||
532 | 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
533 | Revert: | |
534 | 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
535 | ||
536 | * configure.tgt: Add -msoft-float to XCFLAGS. | |
537 | ||
538 | 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
539 | ||
540 | * configure.tgt: Add -msoft-float to XCFLAGS. | |
541 | ||
542 | 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
543 | ||
544 | * config/s390/target.h (htm_begin, htm_commit, htm_abort) | |
545 | (htm_transaction_active): Enable zEC12 instructions in the | |
546 | assembler. | |
547 | * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS. | |
548 | ||
549 | 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
550 | ||
551 | * acinclude.m4: Add htm asm check for s390. | |
552 | * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options. | |
553 | * configure: Regenerate. | |
554 | * config/s390/target.h: Remove __HTM__ check. | |
555 | (htm_available): Call getauxval to get hwcaps and check whether | |
556 | HTM is available or not. | |
557 | ||
558 | 2013-07-15 Peter Bergner <bergner@vnet.ibm.com> | |
559 | ||
560 | * acinclude.m4 (LIBITM_CHECK_AS_HTM): New. | |
561 | * configure.ac: Use it. | |
562 | (AC_CHECK_HEADERS): Check for sys/auxv.h. | |
563 | (AC_CHECK_FUNCS): Check for getauxval. | |
564 | * config.h.in, configure: Rebuild. | |
565 | * configure.tgt (target_cpu): Add -mhtm to XCFLAGS. | |
566 | * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h. | |
567 | (USE_HTM_FASTPATH): Define. | |
568 | (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT, | |
569 | _HTM_RETRIES) New macros. | |
570 | (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init, | |
571 | htm_begin_success, htm_commit, htm_transaction_active): New functions. | |
572 | ||
573 | 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
574 | ||
575 | * config/s390/target.h: Include htmintrin.h. | |
576 | (_HTM_ITM_RETRIES): New macro definition. | |
577 | (htm_available, htm_init, htm_begin, htm_begin_success) | |
578 | (htm_commit, htm_abort, htm_abort_should_retry): New functions. | |
579 | ||
580 | 2013-06-20 Iain Sandoe <iain@codesourcery.com> | |
581 | Cesar Philippidis <cesar@codesourcery.com> | |
582 | ||
583 | * testsuite/lib/libitm.exp: Reorder lib loads into dependency order. | |
584 | Do not load_gcc_lib gcc-dg.exp and add a comment as to why. | |
585 | * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp. | |
586 | * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp. | |
587 | ||
588 | 2013-06-20 Torvald Riegel <triegel@redhat.com> | |
589 | ||
590 | * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath. | |
591 | (_ITM_getTransactionId): Same. | |
592 | * config/x86/target.h (htm_transaction_active): New. | |
593 | ||
594 | 2013-06-20 Torvald Riegel <triegel@redhat.com> | |
595 | ||
596 | PR libitm/57643 | |
597 | * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in | |
598 | the HTM fastpath. | |
599 | ||
600 | 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com> | |
601 | ||
602 | PR bootstrap/56714 | |
603 | * local_atomic (__always_inline): Always define our version. | |
604 | (__calculate_memory_order): Mark inline. | |
605 | (atomic_thread_fence): Ditto. | |
606 | (atomic_signal_fence): Ditto. | |
607 | (atomic_bool::atomic_flag_test_and_set_explicit): Ditto. | |
608 | (atomic_bool::atomic_flag_clear_explicit): Ditto. | |
609 | (atomic_bool::atomic_flag_test_and_set): Ditto. | |
610 | (atomic_bool::atomic_flag_clear): Ditto. | |
611 | ||
612 | 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
613 | ||
614 | * config/s390/sjlj.S: New file. | |
615 | * config/s390/target.h: New file. | |
616 | * configure.tgt: Set options for S/390. | |
617 | ||
618 | 2013-03-23 Andi Kleen <ak@linux.intel.com> | |
619 | ||
620 | * local_atomic (__always_inline): Add. | |
621 | (__calculate_memory_order, atomic_thread_fence, | |
622 | atomic_signal_fence, test_and_set, clear, store, load, | |
623 | exchange, compare_exchange_weak, compare_exchange_strong, | |
624 | fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor): | |
625 | Add __always_inline to force inlining. | |
626 | ||
627 | 2013-02-11 Iain Sandoe <iain@codesourcery.com> | |
628 | Jack Howarth <howarth@bromo.med.uc.edu> | |
629 | Patrick Marlier <patrick.marlier@gmail.com> | |
630 | ||
631 | PR libitm/55693 | |
632 | * alloc_cpp.cc: Enable function declarations on darwin. | |
633 | * eh_cpp.cc: Likewise. | |
634 | ||
635 | 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com> | |
636 | ||
637 | Update copyright years. | |
638 | ||
639 | 2012-11-09 Torvald Riegel <triegel@redhat.com> | |
640 | ||
641 | * beginend.cc (htm_fastpath): New. | |
642 | (gtm_thread::begin_transaction, _ITM_commitTransaction, | |
643 | _ITM_commitTransactionEH): Add HTM fastpath handling. | |
644 | * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New. | |
645 | * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New. | |
646 | * config/x86/target.h (htm_available, htm_init, htm_begin_success, | |
647 | htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New. | |
648 | * configure.tgt: Add -mrtm to XCFLAGS. | |
649 | * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New. | |
650 | (gtm_thread::serialirr_mode): Add HTM fastpath handling. | |
651 | * libitm_i.h (htm_fastpath, dispatch_htm): Declare. | |
652 | * retry.cc (parse_default_method): Add HTM method parsing. | |
653 | (gtm_thread::number_of_threads_changed): Use HTM by default if | |
654 | available. | |
655 | ||
656 | 2012-11-04 Thomas Schwinge <thomas@codesourcery.com> | |
657 | ||
658 | * configure: Regenerate. | |
659 | ||
660 | 2012-10-31 Richard Henderson <rth@redhat.com> | |
661 | ||
662 | * acinclude.m4 (LIBITM_CHECK_AS_RTM): New. | |
663 | * configure.ac: Use it. | |
664 | * config.h.in, configure: Rebuild. | |
665 | * testsuite/Makefile.in: Rebuild. | |
666 | ||
667 | 2012-10-24 Torvald Riegel <triegel@redhat.com> | |
668 | ||
669 | * libitm.texi: Clarify ABI requirements for data-logging functions. | |
670 | ||
671 | 2012-10-24 Torvald Riegel <triegel@redhat.com> | |
672 | ||
673 | * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether | |
674 | it requires serial mode instead of assuming that for certain | |
675 | dispatchs. | |
676 | * dispatch.h (abi_dispatch::requires_serial): New. | |
677 | (abi_dispatch::abi_dispatch): Adapt. | |
678 | * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt. | |
679 | * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same. | |
680 | * method-serial.cc (serialirr_dispatch::serialirr_dispatch, | |
681 | serial_dispatch::serial_dispatch, | |
682 | serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same. | |
683 | ||
684 | 2012-10-02 Uros Bizjak <ubizjak@gmail.com> | |
685 | ||
686 | * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64 | |
687 | and ia32 declarations some more. | |
688 | * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code. | |
689 | ||
690 | 2012-09-20 Jakub Jelinek <jakub@redhat.com> | |
691 | ||
692 | PR other/43620 | |
693 | * configure.ac (AM_INIT_AUTOMAKE): Add no-dist. | |
694 | * configure: Regenerate. | |
695 | * Makefile.in: Regenerate. | |
696 | ||
697 | 2012-09-14 David Edelsohn <dje.gcc@gmail.com> | |
698 | ||
699 | * configure: Regenerated. | |
700 | ||
701 | 2012-07-31 Uros Bizjak <ubizjak@gmail.com> | |
702 | ||
703 | * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause. | |
704 | ||
705 | 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com> | |
706 | ||
707 | * eh_cpp.cc: Fix __cxa_end_catch declaration. | |
708 | ||
709 | 2012-05-16 H.J. Lu <hongjiu.lu@intel.com> | |
710 | ||
711 | * configure: Regenerated. | |
712 | ||
713 | 2012-04-04 H.J. Lu <hongjiu.lu@intel.com> | |
714 | ||
715 | PR libitm/52854 | |
716 | * config/x86/target.h (gtm_jmpbuf): Replace long with long long | |
717 | for x86-64. | |
718 | ||
719 | 2012-04-03 Tristan Gingold <gingold@adacore.com> | |
720 | ||
721 | * configure: Regenerate. | |
722 | ||
723 | 2012-03-31 H.J. Lu <hongjiu.lu@intel.com> | |
724 | ||
725 | PR bootstrap/52812 | |
726 | * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64. | |
727 | ||
728 | 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> | |
729 | ||
730 | * testsuite/lib/libitm.exp: load fortran-modules.exp | |
731 | ||
732 | 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
733 | ||
734 | * configure.tgt (*-*-irix6*): Remove. | |
735 | ||
736 | 2012-03-13 Torvald Riegel <triegel@redhat.com> | |
737 | ||
738 | PR libitm/52526 | |
739 | * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost | |
740 | wake-up. | |
741 | ||
742 | 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
743 | ||
744 | * configure.tgt (*-*-osf*): Remove. | |
745 | * configure: Regenerate. | |
746 | ||
747 | 2012-03-05 Torvald Riegel <triegel@redhat.com> | |
748 | ||
749 | * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute | |
750 | memtransfer/memset if size isn't larger than zero. | |
751 | ||
752 | 2012-03-02 Torvald Riegel <triegel@redhat.com> | |
753 | ||
754 | * libitm.texi: Link to specification and add a usage example. | |
755 | ||
756 | 2012-02-24 Torvald Riegel <triegel@redhat.com> | |
757 | ||
758 | * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change | |
759 | default dispatch for more than 1 thread to ml_wt. | |
760 | ||
761 | 2012-02-20 Torvald Riegel <triegel@redhat.com> | |
762 | ||
763 | * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline. | |
764 | ||
765 | 2012-02-20 Torvald Riegel <triegel@redhat.com> | |
766 | ||
767 | * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders. | |
768 | ||
769 | 2012-02-20 Torvald Riegel <triegel@redhat.com> | |
770 | ||
771 | * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of | |
772 | serial mode corner cases made obsolete by prior gtm_rwlock changes. | |
773 | (gl_wt_dispatch.rollback): Same. | |
774 | ||
775 | 2012-02-20 Torvald Riegel <triegel@redhat.com> | |
776 | ||
777 | * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders. | |
778 | ||
779 | 2012-02-20 Torvald Riegel <triegel@redhat.com> | |
780 | ||
781 | * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo | |
782 | for RfW src. Optimize number of calls to gtm_thr. | |
783 | ||
784 | 2012-02-20 Torvald Riegel <triegel@redhat.com> | |
785 | ||
786 | * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock | |
787 | acquisition to ... | |
788 | * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here. | |
789 | (default_dispatch): Make atomic. | |
790 | (GTM::gtm_thread::set_default_dispatch): Access atomically. | |
791 | (GTM::gtm_thread::decide_retry_strategy): Access atomically and | |
792 | use decide_begin_dispatch() if default_dispatch might have changed. | |
793 | (GTM::gtm_thread::number_of_threads_changed): Initialize | |
794 | default_dispatch here. | |
795 | ||
796 | 2012-02-15 Iain Sandoe <iains@gcc.gnu.org> | |
797 | Patrick Marlier <patrick.marlier@gmail.com> | |
798 | ||
799 | PR libitm/52220 | |
800 | * alloc_cpp.cc: No dummy definitions for darwin. | |
801 | * eh_cpp.cc: Likewise. | |
802 | ||
803 | 2012-02-14 Richard Henderson <rth@redhat.com> | |
804 | ||
805 | * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections. | |
806 | ||
807 | 2012-02-14 Uros Bizjak <ubizjak@gmail.com> | |
808 | ||
809 | * config/x86/target.h (GTM_longjmp): Correct .cfi directives. | |
810 | ||
811 | 2012-02-14 Torvald Riegel <triegel@redhat.com> | |
812 | ||
813 | * libitm_i.h (GTM::gtm_rwlog_entry): New. | |
814 | (GTM::gtm_thread): Add read and write logs. | |
815 | (GTM::dispatch_ml_wt): Declare. | |
816 | * retry.cc (parse_default_method): Support ml_wt. | |
817 | * method-ml.cc: New file. | |
818 | * Makefile.am: Add method-ml.cc. | |
819 | * Makefile.in: Regenerate. | |
820 | ||
821 | 2012-02-14 Torvald Riegel <triegel@redhat.com> | |
822 | ||
823 | * dispatch.h (GTM::abi_dispatch::supports): New. | |
824 | (GTM::method_group::reinit): New. | |
825 | * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit(). | |
826 | (GTM::gtm_thread::number_of_threads_changed): Check that the method | |
827 | supports the current situation. | |
828 | ||
829 | 2012-02-14 Torvald Riegel <triegel@redhat.com> | |
830 | ||
831 | * util.cc (GTM::xcalloc): New. | |
832 | * common.h (GTM::xcalloc): Declare. | |
833 | ||
834 | 2012-02-14 Eric Botcazou <ebotcazou@adacore.com> | |
835 | ||
836 | * config/sparc/target.h (cpu_relax): Read from CC register. | |
837 | * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically. | |
838 | ||
839 | 2012-02-14 Uros Bizjak <ubizjak@gmail.com> | |
840 | ||
841 | * config/x86/target.h (GTM_longjmp): Jump indirect from memory address. | |
842 | ||
843 | 2012-02-13 Eric Botcazou <ebotcazou@adacore.com> | |
844 | ||
845 | * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9. | |
846 | * config/sparc/cacheline.h: New file. | |
847 | * config/sparc/target.h: Likewise. | |
848 | * config/sparc/sjlj.S: Likewise. | |
849 | * config/linux/sparc/futex_bits.h: Likewise. | |
850 | ||
851 | 2012-02-13 Eric Botcazou <ebotcazou@adacore.com> | |
852 | ||
853 | * configure.ac (link_itm): Fix comment. | |
854 | * configure: Regenerate. | |
855 | * testsuite/lib/libitm.exp: Do not pass -litm for the link. | |
856 | ||
857 | 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
858 | ||
859 | PR libitm/51822 | |
860 | * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc. | |
861 | Correct libgomp references. | |
862 | ||
863 | 2012-01-24 Torvald Riegel <triegel@redhat.com> | |
864 | ||
865 | * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader | |
866 | wake-up. | |
867 | ||
868 | 2012-01-24 Uros Bizjak <ubizjak@gmail.com> | |
869 | ||
870 | * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the | |
871 | end of structure. | |
872 | * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update | |
873 | offset values. Do not copy return address. Decrement stack | |
874 | by 56 bytes only. | |
875 | (GTM_longjump) [__x86_64__]: Update offset values. | |
876 | ||
877 | 2012-01-23 Uros Bizjak <ubizjak@gmail.com> | |
878 | ||
879 | PR libitm/51830 | |
880 | * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load | |
881 | the first function argument to %eax. | |
882 | ||
883 | 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
884 | ||
885 | * libitm.h (_ITM_getThreadnum): Remove. | |
886 | * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0. | |
887 | ||
888 | 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
889 | ||
890 | * clearcap.map: New file. | |
891 | * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test. | |
892 | * configure.ac: Call it. | |
893 | Clear HWCAP_LDFLAGS if defaulting to -mavx. | |
894 | * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS) | |
895 | * configure: Regenerate. | |
896 | * Makefile.in: Regenerate. | |
897 | * testsuite/Makefile.in: Regenerate. | |
898 | ||
899 | 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
900 | ||
901 | PR libitm/51173 | |
902 | * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove | |
903 | include, exclude options. | |
904 | ||
905 | 2012-01-14 Torvald Riegel <triegel@redhat.com> | |
906 | ||
907 | * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after | |
908 | rolling back. | |
909 | * containers.h (GTM::vector::set_size): New. | |
910 | ||
911 | 2012-01-14 Torvald Riegel <triegel@redhat.com> | |
912 | ||
913 | PR libitm/51855 | |
914 | * config/generic/tls.h (GTM::mask_stack_top): New. | |
915 | (GTM::mask_stack_bottom): Declare. | |
916 | * config/generic/tls.c (GTM::mask_stack_bottom): New. | |
917 | * local.cc (gtm_undolog::rollback): Filter out any updates that | |
918 | overlap the libitm stack. Add current transaction as parameter. | |
919 | * libitm_i.h (GTM::gtm_undolog::rollback): Adapt. | |
920 | * beginend.cc (GTM::gtm_thread::rollback): Adapt. | |
921 | * testsuite/libitm.c/stackundo.c: New test. | |
922 | ||
923 | 2012-01-10 Richard Henderson <rth@redhat.com> | |
924 | ||
925 | * libitm_i.h (_Unwind_DeleteException): Declare weak. | |
926 | * eh_cpp.cc (_Unwind_DeleteException): Define for | |
927 | !HAVE_ELF_STYLE_WEAKREF. | |
928 | ||
929 | 2012-01-08 Torvald Riegel <triegel@redhat.com> | |
930 | ||
931 | * local.cc (GTM_LB): Use GTM::gtm_undolog. | |
932 | (GTM::gtm_thread::drop_references_undolog): Remove. | |
933 | (GTM::gtm_thread::commit_undolog, | |
934 | GTM::gtm_thread::rollback_undolog): Move to ... | |
935 | * libitm_i.h (GTM::gtm_undolog): ...here. New. | |
936 | (GTM::gtm_undolog_entry): Remove. | |
937 | (GTM::gtm_thread): Adapt. | |
938 | * beginend.cc (GTM::gtm_thread::rollback): Adapt. | |
939 | (GTM::gtm_thread::trycommit): Adapt. | |
940 | * method-serial.cc (serial_dispatch::log): Adapt. | |
941 | * method-gl.cc (gl_wt_dispatch::pre_write): Adapt. | |
942 | (gl_wt_dispatch::store): Fix likely/unlikely. | |
943 | * containers.h (GTM::vector::resize): Add additional_capacity | |
944 | parameter and handle it. | |
945 | (GTM::vector::resize_noinline): New/adapt. | |
946 | (GTM::vector::push): New. | |
947 | ||
948 | 2012-01-06 Richard Henderson <rth@redhat.com> | |
949 | ||
950 | * configure.tgt: Support powerpc-linux and powerpc-darwin. | |
951 | * config/linux/powerpc/futex_bits.h: New file. | |
952 | * config/powerpc/cacheline.h: New file. | |
953 | * config/powerpc/sjlj.S: New file. | |
954 | * config/powerpc/target.h: New file. | |
955 | * config/generic/asmcfi.h (cfi_offset): New. | |
956 | (cfi_restore, cfi_undefined): New. | |
957 | ||
958 | 2012-01-05 Aldy Hernandez <aldyh@redhat.com> | |
959 | ||
960 | PR other/51171 | |
961 | * testsuite/libitm.c/reentrant.c: Remove xfail. | |
962 | (thread): Pass x to pure(). | |
963 | From Patrik Marlier <patrick.marlier@gmail.com>. | |
964 | ||
965 | 2011-12-24 Torvald Riegel <triegel@redhat.com> | |
966 | ||
967 | * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce | |
968 | privatization safety if already in serial mode. | |
969 | ||
970 | 2011-12-24 Torvald Riegel <triegel@redhat.com> | |
971 | ||
972 | * beginend.cc (GTM::gtm_thread::restart): Add and handle | |
973 | finish_serial_upgrade parameter. | |
974 | * libitm.h (GTM::gtm_thread::restart): Adapt declaration. | |
975 | * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic): | |
976 | Don't unset reader flag. | |
977 | (GTM::gtm_rwlock::write_upgrade_finish): New. | |
978 | * config/posix/rwlock.cc: Same. | |
979 | * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish): | |
980 | Declare. | |
981 | * config/posix/rwlock.h: Same. | |
982 | * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader | |
983 | flag after commit or after rollback when restarting. | |
984 | ||
985 | 2011-12-24 Torvald Riegel <triegel@redhat.com> | |
986 | ||
987 | * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment. | |
988 | (GTM::gtm_thread::try_commit): Changed memory order. | |
989 | * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int | |
990 | as parameter. | |
991 | * config/linux/x86/futex_bits.h (sys_futex0): Same. | |
992 | * config/linux/sh/futex_bits.h (sys_futex0): Same. | |
993 | * config/linux/futex_bits.h (sys_futex0): Same. | |
994 | * config/linux/futex.cc (futex_wait, futex_wake): Same. | |
995 | * config/linux/futex.h (futex_wait, futex_wake): Same. | |
996 | * config/linux/rwlock.h (gtm_rwlock::writers, | |
997 | gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic | |
998 | ints. | |
999 | * config/linux/rwlock.cc (gtm_rwlock::read_lock, | |
1000 | gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock, | |
1001 | gtm_rwlock::write_unlock): Fix memory orders and fences. | |
1002 | * config/posix/rwlock.cc (gtm_rwlock::read_lock, | |
1003 | gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock, | |
1004 | gtm_rwlock::write_unlock): Same. | |
1005 | * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int. | |
1006 | * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static, | |
1007 | gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart): | |
1008 | Add comments. | |
1009 | (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate, | |
1010 | gl_wt_dispatch::load, gl_wt_dispatch::store, | |
1011 | gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory | |
1012 | orders and fences. Add comments. | |
1013 | ||
1014 | 2011-12-21 Jakub Jelinek <jakub@redhat.com> | |
1015 | ||
1016 | * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first. | |
1017 | * Makefile.in: Regenerated. | |
1018 | ||
1019 | 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org> | |
1020 | ||
1021 | * configure.tgt: Add sh* case. | |
1022 | * config/sh/target.h: New file. | |
1023 | * config/sh/sjlj.S: New file. | |
1024 | * config/linux/sh/futex_bits.h: New file. | |
1025 | ||
1026 | 2011-12-14 Richard Henderson <rth@redhat.com> | |
1027 | ||
1028 | * config/arm/hwcap.h, config/arm/hwcap.cc: New files. | |
1029 | * config/arm/sjlj.S, config/arm/target.h: New files. | |
1030 | * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New. | |
1031 | (cfi_rel_offset): New. | |
1032 | * config/linux/futex_bits.h: New file. | |
1033 | * config/linux/futex.cc: Include futex_bits.h here... | |
1034 | * config/linux/futex.h: ... not here. | |
1035 | * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc. | |
1036 | * configure.ac (ARCH_AM): New conditional. | |
1037 | * Makefile.in, configure: Rebuild. | |
1038 | * configure.tgt: Handle ARM. | |
1039 | ||
1040 | 2011-12-13 Richard Henderson <rth@redhat.com> | |
1041 | ||
1042 | * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix | |
1043 | signed/unsigned comparison werror. | |
1044 | ||
1045 | * local_atomic: New file. | |
1046 | * libitm_i.h: Include it. | |
1047 | (gtm_thread::shared_state): Use atomic template. | |
1048 | * beginend.cc (GTM::gtm_clock): Use atomic template. | |
1049 | (global_tid): Use atomic template if 64-bit atomics available. | |
1050 | (gtm_thread::gtm_thread): Update shared_state access. | |
1051 | (gtm_thread::trycommit): Likewise. | |
1052 | (choose_code_path): Update global_tid access. | |
1053 | * method-gl.cc (gl_mg::orec): Use atomic template. Update all users. | |
1054 | * stmlock.h (GTM::gtm_clock): Use atomic template. | |
1055 | (gtm_get_clock, gtm_inc_clock): Update accesses. | |
1056 | * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove | |
1057 | redundant __sync_synchronize after atomic shared_state access. | |
1058 | * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise. | |
1059 | (gtm_rwlock::write_lock_generic): Likewise. | |
1060 | (gtm_rwlock::read_unlock): Likewise. | |
1061 | * config/alpha/target.h (atomic_read_barrier): Remove. | |
1062 | (atomic_write_barrier): Remove. | |
1063 | * config/x86/target.h (atomic_read_barrier): Remove. | |
1064 | (atomic_write_barrier): Remove. | |
1065 | ||
1066 | 2011-11-30 Richard Henderson <rth@redhat.com> | |
1067 | ||
1068 | * libitm_i.h (GTM_longjmp): Swap first and second arguments. | |
1069 | * beginend.c (_ITM_abortTransaction): Update to match. | |
1070 | (GTM::gtm_thread::restart): Likewise. | |
1071 | * config/alpha/sjlj.S (GTM_longjmp): Likewise. | |
1072 | * config/x86/sjlj.S (GTM_longjmp): Likewise. | |
1073 | ||
1074 | 2011-11-23 Iain Sandoe <iains@gcc.gnu.org> | |
1075 | ||
1076 | * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined". | |
1077 | * Makefile.in: Regenerate. | |
1078 | ||
1079 | 2011-11-22 Iain Sandoe <iains@gcc.gnu.org> | |
1080 | ||
1081 | * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF. | |
1082 | * alloc_cpp.cc: Generate dummy functions if we don't | |
1083 | HAVE_ELF_STYLE_WEAKREF. | |
1084 | * eh_cpp.cc: Likewise. | |
1085 | * configure: Regenerate. | |
1086 | * aclocal.m4: Likewise. | |
1087 | * config.h.in: Likewise. | |
1088 | * Makefile.in: Likewise. | |
1089 | * testsuite/Makefile.in: Likewise. | |
1090 | ||
1091 | 2011-11-22 Iain Sandoe <iains@gcc.gnu.org> | |
1092 | ||
1093 | * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to | |
1094 | __USER_LABEL_PREFIX__ for targets that use it. | |
1095 | (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets. | |
1096 | (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist | |
1097 | in portability to non-elf targets. | |
1098 | (GTM_longjmp): Likewise. | |
1099 | * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__ | |
1100 | where required. | |
1101 | ||
1102 | 2011-11-22 Iain Sandoe <iains@gcc.gnu.org> | |
1103 | ||
1104 | * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling. | |
1105 | * testsuite/libitm.c/memset-1.c: Likewise. | |
1106 | ||
1107 | 2011-11-21 Andreas Tobler <andreast@fgznet.ch> | |
1108 | ||
1109 | * configure: Regenerate. | |
1110 | ||
1111 | 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
1112 | ||
1113 | * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold. | |
1114 | (LIBITM_ENABLE_SYMVERS): Handle sun style. | |
1115 | * Makefile.am: Handle sun style versioning. | |
1116 | (libitm_la_LINK): Add $(libitm_la_LDFLAGS). | |
1117 | * configure: Regenerate. | |
1118 | * Makefile.in: Regenerate. | |
1119 | ||
1120 | 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
1121 | ||
1122 | * config/generic/asmcfi.h: Fix comment. | |
1123 | * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code | |
1124 | sequence without .hidden support, error for non-ELF targets. | |
1125 | (GTM_longjmp) [__ELF__]: Only use .hidden if | |
1126 | HAVE_ATTRIBUTE_VISIBILITY. | |
1127 | ||
1128 | 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
1129 | ||
1130 | * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv, | |
1131 | _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t): | |
1132 | Dummy functions. | |
1133 | * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw, | |
1134 | __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise. | |
1135 | ||
1136 | 2011-11-16 Uros Bizjak <ubizjak@gmail.com> | |
1137 | ||
1138 | PR bootstrap/51098 | |
1139 | * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector. | |
1140 | * configure: Regenerate. | |
1141 | ||
1142 | 2011-11-14 H.J. Lu <hongjiu.lu@intel.com> | |
1143 | ||
1144 | * testsuite/lib/libitm.exp: Check ia32 instead of ilp32. | |
1145 | ||
1146 | 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
1147 | ||
1148 | * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use | |
1149 | .hidden. | |
1150 | (.note.GNU-stack): Only use if __linux__. | |
1151 | * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function. | |
1152 | * testsuite/libitm.c/notx.c: Use dg-options "-pthread". | |
1153 | * testsuite/libitm.c/reentrant.c: Likewise. | |
1154 | * testsuite/libitm.c/simple-2.c: Likewise. | |
1155 | * testsuite/libitm.c/txrelease.c: Likewise. | |
1156 | * testsuite/libitm.c++/static_ctor.C: Likewise. | |
1157 | ||
1158 | 2011-11-10 Richard Henderson <rth@redhat.com> | |
1159 | ||
1160 | * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments. | |
1161 | * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX. | |
1162 | * configure.ac (ARCH_X86_AVX): New conditional. | |
1163 | * Makefile.in, configure: Rebuild. | |
1164 | ||
1165 | 2011-11-09 Richard Henderson <rth@redhat.com> | |
1166 | ||
1167 | * acinclude.m4 (LIBITM_CHECK_AS_AVX): New. | |
1168 | * configure.ac: Use it. | |
1169 | * config.h.in, configure: Rebuild. | |
1170 | * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX. | |
1171 | ||
1172 | 2011-11-09 Richard Henderson <rth@redhat.com> | |
1173 | ||
1174 | * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file. | |
1175 | * config/alpha/unaligned.h: Remove file. | |
1176 | * config/generic/unaligned.h: Remove file. | |
1177 | * config/x86/unaligned.h: Remove file. | |
1178 | * config/generic/cachepage.h: Remove file. | |
1179 | * config/posix/cachepage.cc: Remove file. | |
1180 | * config/generic/cacheline.cc: Remove file. | |
1181 | * config/x86/cacheline.cc: Remove file. | |
1182 | * config/generic/cacheline.h (gtm_cacheline): Remove the | |
1183 | store_mask, copy_mask, copy_mask_wb methods. | |
1184 | * config/x86/cacheline.h: Likewise. | |
1185 | * config/alpha/cacheline.h: Fall back to generic after setting size. | |
1186 | * config/generic/tls.cc (gtm_mask_stack): Remove. | |
1187 | * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove. | |
1188 | (GTM_vpalignr_table): Remove. | |
1189 | * config/x86/x86_sse.cc (GTM_palignr_table): Remove. | |
1190 | (GTM_pshift_table): Remove. | |
1191 | * config/libitm_i.h: Don't include cachepage.h. | |
1192 | * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc | |
1193 | * Makefile.in, testsuite/Makefile.in: Rebuild. | |
1194 | ||
1195 | 2011-11-09 Richard Henderson <rth@redhat.com> | |
1196 | ||
1197 | * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte | |
1198 | to emit branch prediction hint. | |
1199 | ||
1200 | * config/x86/sjlj.S: Protect elf directives with __ELF__. | |
1201 | Protect .note.GNU-stack with __linux__. | |
1202 | ||
1203 | * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it. | |
1204 | * configure, aclocal.m4, config.h.in: Rebuild. | |
1205 | * config/generic/asmcfi.h: New file. | |
1206 | * config/x86/sjlj.S: Use it. | |
1207 | ||
1208 | 2011-11-08 Richard Henderson <rth@redhat.com> | |
1209 | ||
1210 | * local.cc (_ITM_LB): Use a normal call, not a function alias. | |
1211 | ||
1212 | 2011-11-08 Richard Henderson <rth@redhat.com> | |
1213 | ||
1214 | * configure.tgt: Test correct directory for supported cpus. | |
1215 | ||
1216 | * configure.ac: Exit if unsupported. | |
1217 | * configure: Rebuild. | |
1218 | * configure.tgt: Delete boilerplate from libgomp for unsupported | |
1219 | targets. Set UNSUPPORTED for unsupported targets. | |
1220 | ||
1221 | 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | |
1222 | ||
1223 | * configure.tgt: Handle i386 like i[456]86. | |
1224 | * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't | |
1225 | take address. | |
1226 | * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD || | |
1227 | !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable. | |
1228 | ||
1229 | 2011-11-05 Aldy Hernandez <aldyh@redhat.com> | |
1230 | ||
1231 | * method-wbetl.cc: Update copyright notice. | |
1232 | * aatree.cc: Same. | |
1233 | * util.cc: Same. | |
1234 | * libitm.h: Same. | |
1235 | * memset.cc: Same. | |
1236 | * eh_cpp.cc: Same. | |
1237 | * barrier.tpl: Same. | |
1238 | * useraction.cc: Same. | |
1239 | * stmlock.h: Same. | |
1240 | * memcpy.cc: Same. | |
1241 | * common.h: Same. | |
1242 | * config/generic/tls.cc: Same. | |
1243 | * config/generic/cacheline.h: Same. | |
1244 | * config/generic/cachepage.h: Same. | |
1245 | * config/generic/cacheline.cc: Same. | |
1246 | * config/generic/unaligned.h: Same. | |
1247 | * config/x86/cacheline.h: Same. | |
1248 | * config/x86/cacheline.cc: Same. | |
1249 | * config/x86/unaligned.h: Same. | |
1250 | * config/alpha/cacheline.h: Same. | |
1251 | * config/alpha/unaligned.h: Same. | |
1252 | * config/alpha/sjlj.S: Same. | |
1253 | * config/posix/cachepage.cc: Same. | |
1254 | * config/linux/futex.h: Same. | |
1255 | * config/linux/alpha/futex_bits.h: Same. | |
1256 | ||
1257 | 2011-11-04 Torvald Riegel <triegel@redhat.com> | |
1258 | ||
1259 | * libitm.texi: No cover text and invariant sections. | |
1260 | ||
1261 | 2011-11-03 Richard Henderson <rth@redhat.com> | |
1262 | ||
1263 | * local_type_traits: New file. | |
1264 | * libitm_i.h: Use it. Use C headers, not C++ wrappers. | |
1265 | ||
1266 | 2011-11-03 Richard Henderson <rth@redhat.com> | |
1267 | ||
1268 | * configure.ac: Don't test for gfortran. | |
1269 | * configure: Rebuild. | |
1270 | ||
1271 | * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp. | |
1272 | * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest. | |
1273 | ||
1274 | 2011-11-03 Aldy Hernandez <aldyh@redhat.com> | |
1275 | ||
1276 | * testsuite/libitm.c/memcpy-1.c: Add copyright notice. | |
1277 | * testsuite/libitm.c/memset-1.c: Same. | |
1278 | * testsuite/libitm.c/c.exp: Same. | |
1279 | * testsuite/lib/libitm-dg.exp: Same. | |
1280 | * testsuite/lib/libitm.exp: Same. | |
1281 | * testsuite/libitm.c++/c++.exp: Same. | |
1282 | ||
1283 | 2011-11-03 Aldy Hernandez <aldyh@redhat.com> | |
1284 | ||
1285 | * testsuite/config/default.exp: Update copyright date. | |
1286 | * configure.ac: Add copyright info. | |
1287 | * configure.tgt: Same. | |
1288 | ||
1289 | 2011-11-03 Aldy Hernandez <aldyh@redhat.com> | |
1290 | ||
1291 | * testsuite/libitm.c/reentrant.c: XFAIL. | |
1292 | * testsuite/libitm.c++/static_ctor.C: XFAIL. | |
1293 | ||
1294 | 2011-10-29 Torvald Riegel <triegel@redhat.com> | |
1295 | ||
1296 | * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and | |
1297 | handle aborts. | |
1298 | (_ITM_abortTransaction): Handle aborts of outer transactions. | |
1299 | * libitm_i.h: Same. | |
1300 | * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion. | |
1301 | * libitm.texi: Document aborts of outer transactions. | |
1302 | * testsuite/libitm.c/cancel.c: New file. | |
1303 | ||
1304 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1305 | ||
1306 | * testsuite/*: Change __transaction to __transaction_atomic or | |
1307 | __transaction_relaxed. | |
1308 | ||
1309 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1310 | ||
1311 | * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile. | |
1312 | (gtm_thr): Same. | |
1313 | ||
1314 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1315 | ||
1316 | * libitm_i.h: Add gl_wt dispatch. | |
1317 | * retry.cc (parse_default_method): Same. | |
1318 | * method-gl.cc: New file. | |
1319 | * Makefile.am: Use method-gl.cc. | |
1320 | * Makefile.in: Rebuild. | |
1321 | ||
1322 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1323 | ||
1324 | * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization | |
1325 | safety if requested by a TM method. | |
1326 | * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for | |
1327 | privatization safety. | |
1328 | * method-serial.cc: Same. | |
1329 | ||
1330 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1331 | ||
1332 | * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry. | |
1333 | (GTM::gtm_thread): Renamed local_undo to undolog. Renamed | |
1334 | undolog-related member functions from *_local to *_undolog. | |
1335 | * local.cc (gtm_thread::commit_undolog): Same. | |
1336 | * beginend.cc (GTM::gtm_thread::trycommit): Same. | |
1337 | (GTM::gtm_thread::rollback): Roll back undolog before | |
1338 | dispatch-specific rollback. | |
1339 | ||
1340 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1341 | ||
1342 | * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle | |
1343 | re-initialization of the current method group. | |
1344 | * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this. | |
1345 | ||
1346 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1347 | ||
1348 | * alloc.cc (commit_allocations_2): Do not free transaction-local | |
1349 | memory when committing a nested transaction. | |
1350 | ||
1351 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1352 | ||
1353 | * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use | |
1354 | serial-irrevocable dispatch, not serial. | |
1355 | ||
1356 | 2011-10-19 Torvald Riegel <triegel@redhat.com> | |
1357 | ||
1358 | * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up | |
1359 | declarations. | |
1360 | * dispatch.h (GTM::abi_dispatch::begin_or_restart): New. | |
1361 | * method-serial.cc: Implement begin_or_restart(). | |
1362 | * beginend.cc (GTM::gtm_thread::begin_transaction): Call | |
1363 | dispatch-specific begin_or_restart(). | |
1364 | (GTM::gtm_thread::restart): Same. | |
1365 | ||
1366 | 2011-08-23 Torvald Riegel <triegel@redhat.com> | |
1367 | ||
1368 | * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix | |
1369 | restarting without switching to serial mode. | |
1370 | (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the | |
1371 | transaction state. Choose closed-nesting alternative if available. | |
1372 | (GTM::gtm_thread::set_default_dispatch): New. | |
1373 | (parse_default_method): New. | |
1374 | (GTM::gtm_thread::number_of_threads_changed): New. | |
1375 | * method-serial.cc (GTM::serial_mg): New method group class. | |
1376 | (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and | |
1377 | fini. | |
1378 | (GTM::serial_dispatch): Same. | |
1379 | (GTM::serialirr_onwrite_dispatch): Same. | |
1380 | (GTM::gtm_thread::serialirr_mode): Remove calls to fini. | |
1381 | * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of | |
1382 | registered threads. | |
1383 | (GTM::gtm_thread::gtm_thread): Same. | |
1384 | (_ITM_abortTransaction): Remove calls to abi_dispatch::fini(). | |
1385 | (GTM::gtm_thread::trycommit): Same. Reset number of restarts. | |
1386 | (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch() | |
1387 | choose dispatch but set state according to dispatch here. | |
1388 | * dispatch.h (GTM::abi_dispatch::fini): Move to method group. | |
1389 | (GTM::method_group): New class. | |
1390 | (GTM::abi_dispatch): Add comments. Maintain pointer to method_group. | |
1391 | * libitm_i.h (GTM::gtm_thread): Add declarations for new members. | |
1392 | * libitm.texi: Document TM methods, method groups, method life cycle. | |
1393 | Rename method sets to method groups. | |
1394 | ||
1395 | 2011-08-23 Torvald Riegel <triegel@redhat.com> | |
1396 | ||
1397 | * config/x86/tls.h: Moved to ... | |
1398 | * config/linux/x86/tls.h: ... here. | |
1399 | ||
1400 | 2011-08-23 Torvald Riegel <triegel@redhat.com> | |
1401 | ||
1402 | * config/x86/tls.h: Use __x86_64__ instead of __LP64__. | |
1403 | Add X32 support. | |
1404 | * config/x86/sjlj.S: Same. | |
1405 | ||
1406 | 2011-08-19 Torvald Riegel <triegel@redhat.com> | |
1407 | ||
1408 | * config/linux/rwlock.h: New file. | |
1409 | * config/linux/rwlock.c: New file. | |
1410 | * configure.ac: Reenable futex support (undo SVN rev 157758). | |
1411 | * Makefile.am: Same. | |
1412 | * configure.tgt: Same. | |
1413 | * config/linux/alpha/futex_bits.h: Same. | |
1414 | * config/linux/futex.h: Same. Return number of woken processes. | |
1415 | * config/linux/futex.cc: Same. | |
1416 | (futex_wait): Remove spinning. | |
1417 | * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero. | |
1418 | Use __x86_64__ instead of __LP64__. | |
1419 | * aclocal.m4: Include generic futex checks. | |
1420 | * configure: Rebuild. | |
1421 | * Makefile.in: Rebuild. | |
1422 | * testsuite/Makefile.in: Rebuild. | |
1423 | * beginend.cc: Include pthread.h. | |
1424 | * config/posix/cachepage.cc: Same. | |
1425 | ||
1426 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1427 | ||
1428 | * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed. | |
1429 | (abi_disp, set_abi_disp): Move to tx's TLS slot. | |
1430 | (set_gtm_thr): New. | |
1431 | * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed. | |
1432 | (set_gtm_thr): New. | |
1433 | (GTM::gtm_thread::thread_num): Removed. | |
1434 | (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls. | |
1435 | * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More | |
1436 | tx-to-thread renaming. | |
1437 | * beginend.cc: Adapted to tx-to-thread renaming. | |
1438 | (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler(). | |
1439 | (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction(). | |
1440 | * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed | |
1441 | gtm_transaction to gtm_thread. | |
1442 | (_ITM_getThreadnum): Removed. Not supported anymore. | |
1443 | * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call. | |
1444 | * libitm.texi: Documented that _ITM_getThreadnum is not supported. | |
1445 | * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to | |
1446 | gtm_tx-to-gtm_thr renaming if necessary. | |
1447 | * eh_cpp.cc: Same. | |
1448 | * local.cc: Same. | |
1449 | * retry.cc: Same. | |
1450 | * clone.cc: Same. | |
1451 | * alloc.cc: Same. | |
1452 | * alloc_c.cc: Same. | |
1453 | * alloc_cpp.cc: Same. | |
1454 | * method-serial.cc: Same. | |
1455 | * config/generic/tls.cc: Same. | |
1456 | * config/posix/rwlock.h (gtm_rwlock): Same. | |
1457 | * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming. | |
1458 | ||
1459 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1460 | ||
1461 | * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking | |
1462 | implementation. | |
1463 | (gtm_rwlock::read_unlock): Same. | |
1464 | (gtm_rwlock::write_lock_generic): New. Generalized from ... | |
1465 | (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these. | |
1466 | * libitm_i.h (GTM::gtm_transaction): Added shared_state. | |
1467 | * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and | |
1468 | w_upgrade. Replaced by per-transaction flags (in shared_state). | |
1469 | Added c_confirmed_writers. | |
1470 | (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock, | |
1471 | GTM::gtm_rwlock::write_upgrade): Add tx parameter. | |
1472 | * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same. | |
1473 | * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same. | |
1474 | * beginend.cc (GTM::gtm_transaction::begin_transaction, | |
1475 | _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same. | |
1476 | * libitm.texi: Document locking conventions and implementations in | |
1477 | libitm. | |
1478 | ||
1479 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1480 | ||
1481 | * libitm_i.h (next_tx): Add list of all threads' transaction. | |
1482 | * beginend.cc (GTM::gtm_transaction::begin_transaction): Register | |
1483 | transaction with list of transactions and ... | |
1484 | (thread_exit_handler): ... deregister here. | |
1485 | * config/alpha/target.h: Add HW_CACHELINE_SIZE setting. | |
1486 | * config/x86/target.h: Same. | |
1487 | ||
1488 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1489 | ||
1490 | * testsuite/libitm.c++/static_ctor.C: New file. | |
1491 | ||
1492 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1493 | ||
1494 | * testsuite/libitm.c/reentrant.c: New file. | |
1495 | ||
1496 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1497 | ||
1498 | * config/generic/tls.h: Remove the free list for transactions and ... | |
1499 | * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ... | |
1500 | (GTM::gtm_transaction::operator delete): ... and release here. | |
1501 | (thread_exit_handler): New. Delete tx when thread terminates. | |
1502 | (thread_exit_init): New. | |
1503 | (GTM::gtm_transaction::begin_transaction): Set up on-exit handler. | |
1504 | * testsuite/libitm.c/txrelease.c: New file. | |
1505 | ||
1506 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1507 | ||
1508 | * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary. | |
1509 | * testsuite/libitm.c/notx.c: New file. | |
1510 | ||
1511 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1512 | ||
1513 | * config/generic/tls.h (gtm_thread): Move local_tid from here ... | |
1514 | * libitm_i.h (local_tid): ... to here. | |
1515 | * beginend.cc (GTM::gtm_transaction::begin_transaction): Same. | |
1516 | (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary. | |
1517 | ||
1518 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1519 | ||
1520 | * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use | |
1521 | serialirr_onwrite_dispatch as new default for now. | |
1522 | * method-serial.cc (serialirr_onwrite_dispatch): New. | |
1523 | (GTM::dispatch_serialirr_onwrite): New. | |
1524 | * libitm_i.h: Same. | |
1525 | ||
1526 | 2011-08-12 Torvald Riegel <triegel@redhat.com> | |
1527 | ||
1528 | * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well. | |
1529 | * query.cc (_ITM_getTransactionId): There is no active transaction if | |
1530 | the current nesting level is zero. | |
1531 | ||
1532 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1533 | ||
1534 | * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level | |
1535 | rollback. | |
1536 | ||
1537 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1538 | ||
1539 | * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get | |
1540 | transaction properties from the caller instead of from the | |
1541 | transaction object. | |
1542 | * libitm_i.h: Same. | |
1543 | * beginend.cc (GTM::gtm_transaction::begin_transaction): Same. | |
1544 | ||
1545 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1546 | ||
1547 | * local.cc (gtm_transaction::rollback_local): Support closed nesting. | |
1548 | * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same. | |
1549 | * dispatch.h: Same. | |
1550 | * method-serial.cc: Same. | |
1551 | * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to | |
1552 | flat nesting as default, and closed nesting on demand. | |
1553 | (GTM::gtm_transaction::rollback): Same. | |
1554 | (_ITM_abortTransaction): Same. | |
1555 | (GTM::gtm_transaction::restart): Same. | |
1556 | (GTM::gtm_transaction::trycommit): Same. | |
1557 | (GTM::gtm_transaction::trycommit_and_finalize): Removed. | |
1558 | (choose_code_path): New. | |
1559 | (GTM::gtm_transaction_cp::save): New. | |
1560 | (GTM::gtm_transaction_cp::commit): New. | |
1561 | * query.cc (_ITM_inTransaction): Support flat nesting. | |
1562 | * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting. | |
1563 | (GTM::gtm_transaction): Support flat and closed nesting. | |
1564 | * alloc.cc (commit_allocations_2): New. | |
1565 | (commit_cb_data): New helper struct. | |
1566 | (GTM::gtm_transaction::commit_allocations): Handle nested | |
1567 | commits/rollbacks. | |
1568 | * libitm.texi: Update user action section, add description of nesting. | |
1569 | ||
1570 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1571 | ||
1572 | * libitm_i.h: Add closed nesting as restart reason. | |
1573 | * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same. | |
1574 | ||
1575 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1576 | ||
1577 | * useraction.cc: Use vector instead of list to store actions. | |
1578 | Also support partial rollbacks for closed nesting. | |
1579 | * libitm_i.h (GTM::gtm_transaction::user_action): Same. | |
1580 | * beginend.cc: Same. | |
1581 | ||
1582 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1583 | ||
1584 | * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and | |
1585 | closed_nesting flags, as well as a closed nesting alternative. | |
1586 | * method-serial.cc: Same. | |
1587 | (serial_dispatch): Renamed to serialirr_dispatch. | |
1588 | (GTM::dispatch_serialirr): Same. | |
1589 | (serial_dispatch_ul): Renamed to serial_dispatch. | |
1590 | (GTM::dispatch_serial): Same. | |
1591 | ||
1592 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1593 | ||
1594 | * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value. | |
1595 | ||
1596 | 2011-07-28 Torvald Riegel <triegel@redhat.com> | |
1597 | ||
1598 | * aatree.h (aa_tree::remove): New. | |
1599 | (aa_tree::operator new): Add placement new. | |
1600 | ||
1601 | 2011-07-02 Torvald Riegel <triegel@redhat.com> | |
1602 | ||
1603 | * containers.h: New file. | |
1604 | * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag. | |
1605 | * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ... | |
1606 | * common.h: ... to here. | |
1607 | (local_undo): Use GTM::vector for gtm_transaction::local_undo. | |
1608 | * local.cc: Same. | |
1609 | ||
1610 | 2011-06-30 Torvald Riegel <triegel@redhat.com> | |
1611 | ||
1612 | * libitm_i.h (STATE_ABORTING): Remove. | |
1613 | * beginend.cc (_ITM_abortTransaction): Same. | |
1614 | (GTM::gtm_transaction::trycommit_and_finalize): Same. | |
1615 | * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove. | |
1616 | (_ITM_rollbackTransaction): Remove. | |
1617 | * beginend.cc: Same. | |
1618 | * libitm.map: Same. | |
1619 | * libitm.texi: Document these ABI changes. | |
1620 | ||
1621 | 2011-06-30 Torvald Riegel <triegel@redhat.com> | |
1622 | ||
1623 | * libitm.texi: New file. | |
1624 | * Makefile.am: Add libitm.texi. | |
1625 | * Makefile.in: Rebuild. | |
1626 | ||
1627 | 2011-06-30 Torvald Riegel <triegel@redhat.com> | |
1628 | ||
1629 | * libitm_i.h: Move parts to common.h and dispatch.h. | |
1630 | * common.h: New file. | |
1631 | * dispatch.h: New file, new dispatch class. | |
1632 | Rename GTM::abi_dispatch::lock_type to ls_modifier. | |
1633 | RenameGTM::abi_dispatch::NOLOCK to NONTXNAL. | |
1634 | * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode | |
1635 | decision to retry.cc. | |
1636 | * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode | |
1637 | only. | |
1638 | (GTM::gtm_transaction::decide_begin_dispatch): Same. | |
1639 | * method-serial.cc: Adapt to new dispatch. Add serial mode with undo | |
1640 | logging. | |
1641 | * barrier.cc: Use new barriers definitions. | |
1642 | (abi_dispatch::memmove_overlap_check): New. | |
1643 | * config/x86/x86_sse.cc: Same. | |
1644 | * config/x86/x86_avx.cc: Same. | |
1645 | * Makefile.am: Don't build readonly and wbetl methods, memset.cc and | |
1646 | memcpy.cc. | |
1647 | * Makefile.in: Rebuild. | |
1648 | * method-readonly.cc: Remove. | |
1649 | * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier. | |
1650 | Rename GTM::abi_dispatch::NOLOCK to NONTXNAL. | |
1651 | ||
1652 | 2011-06-30 Torvald Riegel <triegel@redhat.com> | |
1653 | ||
1654 | * alloc_c.cc (_ITM_dropReferences): Don't support it anymore. | |
1655 | * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail. | |
1656 | * testsuite/libitm.c/dropref-2.c: Same. | |
1657 | * testsuite/libitm.c/dropref.c: Same. | |
1658 | ||
1659 | 2011-06-30 Torvald Riegel <triegel@redhat.com> | |
1660 | ||
1661 | * config/generic/tls.h (gtm_disp): Rename to abi_disp. | |
1662 | * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp. | |
1663 | * libitm_i.h: Rename gtm_dispatch to abi_dispatch. | |
1664 | * alloc_c.cc: Same. | |
1665 | * barrier.tpl: Same. | |
1666 | * beginend.c: Same. | |
1667 | * config/generic/tls.h: Same. | |
1668 | * config/x86/tls.h: Same. | |
1669 | * libitm_i.h: Same. | |
1670 | * memcpy.cc: Same. | |
1671 | * memset.cc: Same. | |
1672 | * method-readonly.cc: Same. | |
1673 | * method-serial.cc: Same. | |
1674 | * method-wbetl.cc: Same. | |
1675 | * retry.cc: Same. | |
1676 | ||
1677 | 2011-03-03 Richard Henderson <rth@redhat.com> | |
1678 | ||
1679 | * config/posix/rwlock.cc (write_upgrade): Add missing case. | |
1680 | From Patrik Marlier <patrick.marlier@unine.ch>. | |
1681 | ||
1682 | 2011-02-03 Richard Henderson <rth@redhat.com> | |
1683 | ||
1684 | * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New. | |
1685 | * configure.ac: Use it. | |
1686 | * configure, config.h.in: Rebuild. | |
1687 | * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name. | |
1688 | (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX, | |
1689 | _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise. | |
1690 | * libitm.map: Use wildcards to match size_t mangling. | |
1691 | ||
1692 | 2010-12-14 Richard Henderson <rth@redhat.com> | |
1693 | ||
1694 | * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate | |
1695 | blocks of TIDs per thread. | |
1696 | * config/generic/tls.h (struct gtm_thread): Add local_tid member. | |
1697 | (setup_gtm_thr): Return the thread structure. | |
1698 | * config/x86/tls.h (setup_gtm_thr): Likewise. | |
1699 | ||
1700 | 2010-12-14 Richard Henderson <rth@redhat.com> | |
1701 | ||
1702 | * clone.cc (table_lock): Remove. | |
1703 | (find_clone): Don't take it. | |
1704 | (ExcludeTransaction): New helper class. | |
1705 | (_ITM_registerTMCloneTable): Use it. | |
1706 | (_ITM_deregisterTMCloneTable): Likewise. | |
1707 | ||
1708 | 2010-12-14 Richard Henderson <rth@redhat.com> | |
1709 | ||
1710 | * config/x86/tls.h: New file. | |
1711 | ||
1712 | 2010-07-15 Richard Henderson <rth@redhat.com> | |
1713 | ||
1714 | * Makefile.am (AM_CXXFLAGS): Add -funwind-tables. | |
1715 | * Makefile.in: Rebuild. | |
1716 | ||
1717 | 2010-07-13 Aldy Hernandez <aldyh@redhat.com> | |
1718 | ||
1719 | * method-wbetl.cc (trydropreference): Fix source line. | |
1720 | ||
1721 | 2010-07-13 Aldy Hernandez <aldyh@redhat.com> | |
1722 | ||
1723 | * libitm.h: Add comment. | |
1724 | * libitm_i.h (begin_transaction): Add ITM_REGPARM. | |
1725 | ||
1726 | 2010-07-07 Aldy Hernandez <aldyh@redhat.com> | |
1727 | ||
1728 | * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS. | |
1729 | * beginend.cc (begin_transaction): If 64-bit sync builtins are not | |
1730 | available, use pthread mutexes. | |
1731 | * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New. | |
1732 | * config.h.in: Regenerate. | |
1733 | * configure: Regenerate. | |
1734 | ||
1735 | 2010-07-06 Aldy Hernandez <aldyh@redhat.com> | |
1736 | ||
1737 | * libitm.h (ITM_PURE): Define. | |
1738 | Declare _ITM_malloc, _ITM_calloc, and _ITM_free. | |
1739 | ||
1740 | 2010-06-28 Aldy Hernandez <aldyh@redhat.com> | |
1741 | ||
1742 | * method-wbetl.cc (class wbetl_dispatch): Add trydropreference. | |
1743 | (validate): Add comment. | |
1744 | (trydropreference): New. | |
1745 | * method-readonly.cc (class readonly_dispatch): Add | |
1746 | trydropreference. | |
1747 | * alloc_c.cc (_ITM_dropReferences): Remove const attribute. | |
1748 | Call trydropreference(). | |
1749 | * libitm.h (_ITM_dropReferences): Remove const attribute. | |
1750 | * method-serial.cc (class serial_dispatch): Add trydropreference. | |
1751 | * libitm_i.h (struct gtm_dispatch): Add trydropreference. | |
1752 | ||
1753 | 2010-06-28 Aldy Hernandez <aldyh@redhat.com> | |
1754 | ||
1755 | * memcpy.cc (do_memcpy): Comment. | |
1756 | ||
1757 | 2010-06-25 Aldy Hernandez <aldyh@redhat.com> | |
1758 | ||
1759 | * barrier.tpl: Add comments throughout. | |
1760 | ||
1761 | 2010-06-24 Aldy Hernandez <aldyh@redhat.com> | |
1762 | ||
1763 | * method-wbetl.cc (struct w_entry): Add comments. | |
1764 | (trycommit): Same. | |
1765 | (rollback): Same. | |
1766 | ||
1767 | 2010-06-24 Aldy Hernandez <aldyh@redhat.com> | |
1768 | ||
1769 | * alloc_c.cc (_ITM_dropReferences): New. | |
1770 | * libitm.map (_ITM_dropReferences): Add. | |
1771 | * libitm.h (_ITM_dropReferences): Add transaction_pure attribute. | |
1772 | * libitm_i.h (struct gtm_transaction): Declare | |
1773 | drop_references_allocations and drop_references_local. | |
1774 | * local.cc (rollback_local): Ignore memory when applicable. | |
1775 | (drop_references_local): New. | |
1776 | ||
1777 | 2010-06-23 Richard Henderson <rth@redhat.com> | |
1778 | ||
1779 | * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc, | |
1780 | memset.cc, method-serial.cc: Revert the 2010-06-16 change. | |
1781 | * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*. | |
1782 | * config/alpha/target.h: Likewise. | |
1783 | * config/generic/tls.cc (gtm_mask_stack): Use it. | |
1784 | ||
1785 | 2010-06-23 Richard Henderson <rth@redhat.com> | |
1786 | ||
1787 | * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use | |
1788 | a mutex instead of trying a lock-free compare-and-swap on the list. | |
1789 | (gtm_cacheline_page::operator delete): Likewise. | |
1790 | ||
1791 | 2010-06-16 Richard Henderson <rth@redhat.com> | |
1792 | ||
1793 | * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes | |
1794 | that overlap the libitm stack. | |
1795 | * barrier.tpl: Mark incoming stack. | |
1796 | * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction, | |
1797 | _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise. | |
1798 | * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise. | |
1799 | * memcpy.cc, memset.cc: Likewise. | |
1800 | * method-serial.cc (_ITM_changeTransactionMode): Likewise. | |
1801 | * config/generic/tls.h (gtm_thread): Add stack_top member. | |
1802 | (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New. | |
1803 | * libitm_i.h (gtm_mask_stack): Declare. | |
1804 | * config/generic/tls.cc: New file. | |
1805 | * Makefile.am (libitm_la_SOURCES): Add it. | |
1806 | (AM_CXXFLAGS): Turn off exceptions. | |
1807 | * Makefile.in: Rebuild. | |
1808 | ||
1809 | 2010-06-16 Richard Henderson <rth@redhat.com> | |
1810 | ||
1811 | * alloc.cc (struct gtm_alloc_action): Move definition ... | |
1812 | * libitm_i.h: ... here. | |
1813 | (class gtm_transaction): Declare new and delete. | |
1814 | * beginend.cc (alloc_tx): Reformulate as operator new. | |
1815 | (free_tx): Reformulate as operator delete. | |
1816 | * config/generic/tls.h (gtm_thread): Change free_tx member to void *. | |
1817 | ||
1818 | 2010-06-11 Richard Henderson <rth@redhat.com> | |
1819 | ||
1820 | * clone.cc (clone_entry_compare): Fix typo. | |
1821 | From Patrik Marlier <patrick.marlier@unine.ch>. | |
1822 | ||
1823 | 2010-05-13 Richard Henderson <rth@redhat.com> | |
1824 | ||
1825 | * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions | |
1826 | in extern "C". | |
1827 | ||
1828 | 2010-05-07 Aldy Hernandez <aldyh@redhat.com> | |
1829 | ||
1830 | * libitm_i.h (struct gtm_transaction): Remove | |
1831 | get_allocation_size. | |
1832 | (record_allocation): Remove size parameter. | |
1833 | * libitm.map (_ITM_realloc): Remove. | |
1834 | * alloc_c.cc (_ITM_realloc): Remove. | |
1835 | (_ITM_malloc): Remove size argument to record_allocation. | |
1836 | (_ITM_calloc): Same. | |
1837 | * alloc_cpp.cc (_ZGTtnwm): Same. | |
1838 | (_ZGTtnwmRKSt9nothrow_t): Same. | |
1839 | (_ZGTtnam): Same. | |
1840 | (_ZGTtnamRKSt9nothrow_t): Same. | |
1841 | * alloc.cc (struct gtm_alloc_action): Remove size. | |
1842 | (get_allocation_size): Remove. | |
1843 | (commit_allocations): Add comment. | |
1844 | (record_allocation): Remove size parameter. | |
1845 | (forget_allocation): Remove set of size. | |
1846 | ||
1847 | 2010-04-19 Aldy Hernandez <aldyh@redhat.com> | |
1848 | ||
1849 | * Makefile.am (abi_version): New. | |
1850 | (AM_CXXFLAGS): Pass abi_version. | |
1851 | * Makefile.in: Regenerate. | |
1852 | * config/x86/unaligned.h: Remove always_inline kludge for vectors. | |
1853 | ||
1854 | 2010-04-06 Aldy Hernandez <aldyh@redhat.com> | |
1855 | ||
1856 | * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from | |
1857 | _ITM_getTMCloneOrIrrevokable. | |
1858 | * libitm.h (_ITM_getTMCloneOrIrrevocable): Same. | |
1859 | * libitm.map (_ITM_getTMCloneOrIrrevocable): Same. | |
1860 | ||
1861 | 2010-03-26 Aldy Hernandez <aldyh@redhat.com> | |
1862 | ||
1863 | * configure.ac: Remove Linux futex support. | |
1864 | * configure.tgt (config_path): Same. | |
1865 | * Makefile.am: Same. | |
1866 | * config/linux: Remove entire directory. | |
1867 | * configure: Rebuild. | |
1868 | * Makefile.in: Rebuild. | |
1869 | * testsuite/Makefile.in: Rebuild. | |
1870 | ||
1871 | 2010-03-09 Aldy Hernandez <aldyh@redhat.com> | |
1872 | ||
1873 | * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when | |
1874 | switching to serial mode. | |
1875 | * beginend.cc (trycommit_and_finalize): Unlock serial_lock. | |
1876 | ||
1877 | 2010-03-03 Aldy Hernandez <aldyh@redhat.com> | |
1878 | ||
1879 | * configure.tgt: Add emacs -*- tags. | |
1880 | * barrier.tpl: Same. | |
1881 | ||
1882 | 2010-02-23 Aldy Hernandez <aldyh@redhat.com> | |
1883 | ||
1884 | * Makefile.am: Rename serial.cc to method-serial.cc. | |
1885 | * Makefile.in: Regenerate with automake 1.11.1. | |
1886 | * testsuite/Makefile.in: Same. | |
1887 | * aclocal.m4: Regenerate with aclocal 1.11.1. | |
1888 | * method-serial.cc: Rename from serial.cc. | |
1889 | * libitm_i.h (struct gtm_transaction): Update comment on | |
1890 | serialirr_mode. | |
1891 | ||
1892 | 2010-02-22 Aldy Hernandez <aldyh@redhat.com> | |
1893 | ||
1894 | * libitm_i.h (GTM_longjmp): Add ITM_REGPARM. | |
1895 | * config/linux/rwlock.h (class gtm_rwlock): Add comments. | |
1896 | ||
1897 | 2010-02-11 Aldy Hernandez <aldyh@redhat.com> | |
1898 | ||
1899 | * configure: Rebuild. | |
1900 | ||
1901 | 2009-11-12 Richard Henderson <rth@redhat.com> | |
1902 | ||
1903 | * Rewrite everything in C++. | |
1904 | ||
1905 | 2009-11-03 Richard Henderson <rth@redhat.com> | |
1906 | ||
1907 | * config/x86/x86_sse.c, config/x86/x86_avx.c: New files. | |
1908 | * Makefile.am (libitm_la_SOURCES): Add them. | |
1909 | * configure.ac (ARCH_X86): New conditional. | |
1910 | * Makefile.in, configure: Rebuild. | |
1911 | * configure.tgt: Set up ARCH; do cflags setup at the same time. | |
1912 | Move futex setup into "other system configury" case. | |
1913 | * local.c (rollback_local): Merge into ... | |
1914 | (GTM_rollback_local): ... here. | |
1915 | (GTM_LB): Rename from GTM_alloc_local; do the memcpy here. | |
1916 | (_ITM_LB): Define as an alias to GTM_LB. | |
1917 | ||
1918 | 2009-11-03 Richard Henderson <rth@redhat.com> | |
1919 | ||
1920 | * method-readonly.c: New file. | |
1921 | * Makefile.am (libitm_la_SOURCES): Add it. | |
1922 | * Makefile.in: Rebuild. | |
1923 | * beginend.c (gtm_stmlock_array, gtm_clock): New. | |
1924 | (GTM_begin_transaction): Use dispatch_readonly for read-only txn. | |
1925 | * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c. | |
1926 | (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p, | |
1927 | gtm_stmlock_set_owned, gtm_stmlock_get_addr, | |
1928 | gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE, | |
1929 | gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY, | |
1930 | gtm_get_clock, gtm_inc_clock): New. | |
1931 | * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX, | |
1932 | LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP, | |
1933 | LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK, | |
1934 | locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and | |
1935 | replace uses with new libitm_i.h symbols. | |
1936 | (dispatch_wbetl): Rename from wbetl_dispatch. | |
1937 | * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move | |
1938 | away from dispatch_readonly; abort if the beginTransaction call | |
1939 | asserted that the transaction was readonly. | |
1940 | ||
1941 | 2009-11-03 Richard Henderson <rth@redhat.com> | |
1942 | ||
1943 | * memset.c: New file. | |
1944 | * Makefile.am (libitm_la_SOURCES): Add it. | |
1945 | * Makefile.in: Rebuild. | |
1946 | * testsuite/libitm.c/memset-1.c: New. | |
1947 | ||
1948 | 2009-11-03 Richard Henderson <rth@redhat.com> | |
1949 | ||
1950 | * dispatch.c: Remove file. | |
1951 | * useraction.c (struct gtm_user_action): Move from libitm.h. | |
1952 | * serial.c (GTM_null_read_lock, GTM_null_write_lock): New. | |
1953 | (serial_memset, serial_memmove, serial_memcpy): Remove. | |
1954 | (serial_W*, serial_R*): Remove. | |
1955 | (serial_dispatch): Update to match. | |
1956 | * configure.ac: Move Werror down below configure checks. Don't | |
1957 | check for sys/loadavg.h, do check for malloc.h. Don't check for | |
1958 | getloadavg and clock_gettime; do check for memalign, posix_memalign. | |
1959 | Use GCC_AC_FUNC_MMAP_BLACKLIST | |
1960 | * libitm.h: Split out all internal items to... | |
1961 | * libitm_i.h: ... here. New file. | |
1962 | * copymask.c: New file. | |
1963 | * local.c (struct gtm_local_undo): Move from libitm.h. | |
1964 | (GTM_alloc_local): Rename from alloc_local; export. | |
1965 | * memcpy.c: New file. | |
1966 | * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly. | |
1967 | * config/posix/page.c: New file. | |
1968 | * config/posix/target_tls.h: Remove file. | |
1969 | * barrier.c: New file. | |
1970 | * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c, | |
1971 | copymask.c, page.c. | |
1972 | * alloc.c (struct gtm_alloc_action): Move from libitm.h. | |
1973 | * method-wbetl.c: Rewrite for new cacheline methods. | |
1974 | * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild. | |
1975 | ||
1976 | * config/alpha/sjlj.S: Fix typo. | |
1977 | * config/alpha/target_i.h: Copy functions from alpha/target.h. | |
1978 | * config/alpha/copymask.c: New file. | |
1979 | * config/alpha/target.h (CACHELINE_SIZE): New. | |
1980 | (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New. | |
1981 | ||
1982 | * config/x86/target_i.h: Copy functions from x86/target.h. | |
1983 | * config/x86/copymask.c: New file. | |
1984 | * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove. | |
1985 | (CACHELINE_SIZE, STRICT_ALIGNMENT): New. | |
1986 | (PAGE_SIZE, FIXED_PAGE_SIZE): New. | |
1987 | * config/x86/target_tls.h: Move contents to target_i.h. | |
1988 | ||
1989 | * testsuite/libitm.c/clone-1.c: Include libitm.h. | |
1990 | * testsuite/libitm.c/memcpy-1.c: New. | |
1991 | ||
1992 | 2009-10-22 Richard Henderson <rth@redhat.com> | |
1993 | ||
1994 | * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove. | |
1995 | (AM_CCASFLAGS): New. | |
1996 | * configure.ac: Add AM_PROG_AS. Use m4_rename_force for | |
1997 | saving/restoring _AC_ARG_VAR_PRECIOUS. | |
1998 | * Makefile.in, aclocal.m4, config.h.in, configure, | |
1999 | testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64. | |
2000 | ||
2001 | 2009-10-22 Richard Henderson <rth@redhat.com> | |
2002 | ||
2003 | * testsuite/*: Update for new compiler syntax. | |
2004 | ||
2005 | 2009-10-21 Richard Henderson <rth@redhat.com> | |
2006 | ||
2007 | * libitm.h (_ITM_abortReason): Add outerAbort. | |
2008 | ||
2009 | 2009-08-03 Richard Henderson <rth@redhat.com> | |
2010 | ||
2011 | * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception, | |
2012 | _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export. | |
2013 | * method-wbetl.c (struct w_entry): Remove mask. | |
2014 | (wbetl_write, wbetl_load): Return pointer to word containing the data; | |
2015 | adjust all callers. | |
2016 | ||
2017 | 2009-07-22 Richard Henderson <rth@redhat.com> | |
2018 | ||
2019 | * eh_cpp.c: New file. | |
2020 | * Makefile.am (libitm_la_SOURCES): Add it. | |
2021 | * Makefile.in: Rebuild. | |
2022 | * beginend.c (GTM_rollback_transaction): Undo exception state. | |
2023 | (GTM_trycommit_transaction): Mark inline. | |
2024 | (GTM_trycommit_and_finalize_transaction): Split out from ... | |
2025 | (_ITM_commitTransaction): ... here. | |
2026 | (_ITM_commitTransactionEH): New function. | |
2027 | * libitm.h (struct gtm_transaction): Add cxa_catch_count, | |
2028 | cxa_unthrown, eh_in_flight; reorder. | |
2029 | ||
2030 | * testsuite/libitm.c++/c++.exp: New. | |
2031 | * testsuite/libitm.c++/eh-1.C: New. | |
2032 | ||
2033 | * aatree.c (aa_free): Remove REGPARM. | |
2034 | * aatree.h: Remove all REGPARM. | |
2035 | ||
2036 | 2009-07-18 Richard Henderson <rth@redhat.com> | |
2037 | ||
2038 | * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files. | |
2039 | * Makefile.am (libitm_la_SOURCES): Add them. | |
2040 | * Makefile.in: Rebuild. | |
2041 | * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations. | |
2042 | (GTM_trycommit_transaction): Likewise. | |
2043 | * libitm.h: Include aatree.h | |
2044 | (struct gtm_alloc_action): New. | |
2045 | (struct gtm_transaction): Add alloc_actions. | |
2046 | (GTM_record_allocation, GTM_forget_allocation): Declare. | |
2047 | (GTM_get_allocation_size, GTM_commit_allocations): Declare. | |
2048 | * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free, | |
2049 | _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t, | |
2050 | _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t, | |
2051 | _ZGTtdaPvRKSt9nothrow_t): Export. | |
2052 | ||
2053 | 2009-07-18 Richard Henderson <rth@redhat.com> | |
2054 | ||
2055 | * target_tls.h: Move ... | |
2056 | * config/posix/target_tls.h: ... here. | |
2057 | ||
2058 | 2009-07-07 Richard Henderson <rth@redhat.com> | |
2059 | ||
2060 | * config/x86/target.h (atomic_write_barrier): Use sfence if available. | |
2061 | ||
2062 | 2009-07-07 Richard Henderson <rth@redhat.com> | |
2063 | ||
2064 | * Update to GPL3. | |
2065 | ||
2066 | 2009-07-07 Richard Henderson <rth@redhat.com> | |
2067 | ||
2068 | * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t. | |
2069 | * beginend.c (global_tid): Widen to _ITM_transactionId_t. | |
2070 | ||
2071 | * configure.tgt: Don't use -ftls-model for x86 linux. | |
2072 | * libitm.h: Include target.h after standard includes. | |
2073 | (_gtm_thr): Rename from gtm_thr. | |
2074 | (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New. | |
2075 | (gtm_disp, set_gtm_disp): New. | |
2076 | * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c, | |
2077 | retry.c, serial.c, useraction.c: Use accessor functions throughout. | |
2078 | * config/alpha/target_tls.h, config/x86/target_tls.h: New files. | |
2079 | ||
2080 | 2009-07-07 Richard Henderson <rth@redhat.com> | |
2081 | ||
2082 | * config/linux/rwlock.c (EZ): New define. Use it throughout. | |
2083 | ||
2084 | 2009-07-06 Richard Henderson <rth@redhat.com> | |
2085 | ||
2086 | * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove. | |
2087 | (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove. | |
2088 | (_ITM_beginTransaction): Take variadic arguments. | |
2089 | (_ITM_registerThrownObject): Declare. | |
2090 | * beginend.c, serial.c: Update. | |
2091 | * libitm.map: Add _ITM_registerThrownObject. | |
2092 | ||
2093 | 2009-01-28 Richard Henderson <rth@redhat.com> | |
2094 | ||
2095 | * Makefile.am (libitm_la_SOURCES): Add clone.c. | |
2096 | * Makefile.in: Rebuild. | |
2097 | * beginend.c (_ITM_abortTransaction): Abort if irrevokable. | |
2098 | (GTM_restart_transaction): Fix uninstrumented code check. | |
2099 | * retry.c (GTM_decide_retry_strategy): Add serial check. | |
2100 | * serial.c (GTM_serialmode): Add irrevokable variable. Don't | |
2101 | automatically go irrevokable when in serial mode. | |
2102 | * clone.c: New file. | |
2103 | * libitm.h, libitm.map: Update. | |
2104 | ||
2105 | 2009-01-27 Richard Henderson <rth@redhat.com> | |
2106 | ||
2107 | * Makefile.am (LTCCASCOMPILE): Define. | |
2108 | (libitm_la_SOURCES): Add methid-wbetl.c. | |
2109 | * testsuite/Makefile.am: New | |
2110 | * configure.ac: Add testsuite/Makefile. | |
2111 | * Makefile.in, testsuite/Makefile.in, configure: Regenerate. | |
2112 | * beginend.c (GTM_begin_transaction): Install wbetl_dispatch. | |
2113 | (_ITM_abortTransaction): Finalize implementation method; pass | |
2114 | transaction properties to longjmp. | |
2115 | (GTM_restart_transaction): Split out from ... | |
2116 | (_ITM_commitTransaction): ... here. | |
2117 | * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier): | |
2118 | Move to config/x86/target.h. | |
2119 | * config/linux/alpha/futex_bits.h: New. | |
2120 | * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register. | |
2121 | * config/x86/target.h: Disable target types for 32-bit. | |
2122 | * config/alpha/sjlj.S, config/alpha/target.h: New. | |
2123 | * libitm.h (struct gtm_dispatch): Add init, fini. | |
2124 | (enum restart_reason): New. | |
2125 | (struct gtm_transaction): Add method and restarts. | |
2126 | * retry.c (GTM_decide_retry_strategy): Implement. | |
2127 | * serial.c (serial_init, serial_fini): New. | |
2128 | (GTM_serialmode): Finialize outgoing method. | |
2129 | * method-wbetl.c: New. | |
2130 | ||
2131 | 2008-12-09 Richard Henderson <rth@redhat.com> | |
2132 | ||
2133 | * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New. | |
2134 | * configure.tgt (i386-*, x86_64-*): Don't force SSE. | |
2135 | * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR. | |
2136 | * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default. | |
2137 | (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header. | |
2138 | (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES. | |
2139 | * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR. | |
2140 | * serial.c (serial_R##T, serial_W##T): Likewise. | |
2141 | ||
2142 | 2008-11-21 Richard Henderson <rth@redhat.com> | |
2143 | ||
2144 | * Initial commit. | |
2145 | \f | |
2146 | Copyright (C) 2008-2018 Free Software Foundation, Inc. | |
2147 | ||
2148 | Copying and distribution of this file, with or without modification, | |
2149 | are permitted in any medium without royalty provided the copyright | |
2150 | notice and this notice are preserved. |