Mercurial > hg > CbC > CbC_gcc
diff libitm/ChangeLog @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libitm/ChangeLog Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,2047 @@ +2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * testsuite/lib/libitm.exp: Load scanlang.exp. + +2017-04-03 Jonathan Wakely <jwakely@redhat.com> + + * libitm_i.h (sutrct gtm_thread): Fix typo in comment. + +2017-01-21 Jakub Jelinek <jakub@redhat.com> + + PR other/79046 + * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead + of cat to get version from BASE-VER file. + * testsuite/Makefile.in: Regenerated. + +2017-01-19 Uros Bizjak <ubizjak@gmail.com> + + * config/x86/target.h (htm_available): Determine vendor from + __get_cpuid_max return. Use signature_INTEL_ebx. Cleanup. + +2017-01-18 Torvald Riegel <triegel@redhat.com> + + * config/x86/target.h (htm_available): Add check for some processors + on which TSX is broken. + +2017-01-17 Jakub Jelinek <jakub@redhat.com> + + PR other/79046 + * configure.ac: Add GCC_BASE_VER. + * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to + get version from BASE-VER file. + * testsuite/Makefile.in: Regenerated. + * configure: Regenerated. + * Makefile.in: Regenerated. + +2017-01-04 Alan Modra <amodra@gmail.com> + + * Makefile.in: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2017-01-01 Jakub Jelinek <jakub@redhat.com> + + Update copyright years. + + * libitm.texi: Bump @copying's copyright year. + +2016-12-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove. + * aclocal.m4: Regenerate. + * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of + LIBITM_CHECK_LINKER_HWCAP. + +2016-11-15 Matthias Klose <doko@ubuntu.com> + + * configure: Regenerate. + +2016-04-19 H.J. Lu <hongjiu.lu@intel.com> + + PR libitm/70456 + * util.cc (xmalloc): Use posix_memalign to allocate memory on + on cache line if requested. + +2016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com> + + * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define + function attribute to disable floating point in begin_transaction() on + S/390. + * beginend.cc (begin_transaction): Use + TARGET_BEGIN_TRANSACTION_ATTRIBUTE. + +2016-01-22 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline + boundary. + (htm_fastpath): Remove. + (gtm_thread::begin_transaction): Fix HTM fastpath. + (_ITM_commitTransaction): Adapt. + (_ITM_commitTransactionEH): Adapt. + * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member + and accessors. + * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise. + * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt. + * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath. + * libitm/libitm_i.h (htm_fastpath): Remove declaration. + * libitm/method-serial.cc (htm_mg): Adapt. + (gtm_thread::serialirr_mode): Adapt. + * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt. + +2016-01-21 Torvald Riegel <triegel@redhat.com> + + * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin + or AIX. + +2016-01-19 Richard Henderson <rth@redhat.com> + + PR bootstrap/69343 + PR bootstrap/69339 + Revert: + 2016-01-13 Richard Henderson <rth@redhat.com> + + * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc + (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc + (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc + (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc + * configure.ac (ARCH_AARCH64): New conditional. + (ARCH_PPC, ARCH_S390): Likewise. + * Makefile.in, configure: Rebuild. + + * libitm.h (_ITM_TYPE_M128): Always define. + * vect64.cc: Split ... + * vect128.cc: ... out of... + * config/x86/x86_sse.cc: ... here. + * config/arm/neon.cc: New file. + +2016-01-19 Torvald Riegel <triegel@redhat.com> + + * local_type_traits: Remove file. + * libitm_i.h: Don't include it anymore. + (sized_integral): Remove. + +2016-01-16 Torvald Riegel <triegel@redhat.com> + + * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization + safety. + * method-ml.cc (ml_wt_dispatch::trycommit): Likewise. + * libitm/testsuite/libitm.c/priv-1.c: New. + +2015-01-15 Torvald Riegel <triegel@redhat.com> + + testsuite/libitm.c++/libstdc++-safeexc.C: New. + +2016-01-13 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences. + * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise. + (gtm_rwlock::write_unlock): Likewise. + +2016-01-13 Richard Henderson <rth@redhat.com> + + * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc + (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc + (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc + (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc + * configure.ac (ARCH_AARCH64): New conditional. + (ARCH_PPC, ARCH_S390): Likewise. + * Makefile.in, configure: Rebuild. + + * libitm.h (_ITM_TYPE_M128): Always define. + * vect64.cc: Split ... + * vect128.cc: ... out of... + * config/x86/x86_sse.cc: ... here. + * config/arm/neon.cc: New file. + +2016-01-13 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (gtm_thread::trycommit): Fix privatization safety. + * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise. + * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise. + * dispatch.h (abi_dispatch::snapshot_most_recent): New. + * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New. + * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New. + * method-serial.cc (serial_dispatch::snapshot_most_recent): New. + (serialirr_dispatch::snapshot_most_recent): New. + (serialirr_onwrite_dispatch::snapshot_most_recent): New. + +2016-01-12 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h (gtm_mask_stack): Remove. + * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise. + * stmlock.h: Remove file. + * config/alpha/cacheline.h: Likewise. + * config/generic/cacheline.h: Likewise. + * config/powerpc/cacheline.h: Likewise. + * config/sparc/cacheline.h: Likewise. + * config/x86/cacheline.h: Likewise. + +2016-01-04 Jakub Jelinek <jakub@redhat.com> + + Update copyright years. + + * libitm.texi: Bump @copying's copyright year. + +2015-11-26 Torvald Riegel <triegel@redhat.com> + + * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing. + (ml_wt_dispatch::pre_write): Adapt. + (ml_wt_dispatch::pre_load): Likewise. + +2015-11-22 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h (gtm_alloc_action): Remove union. + * testsuite/libitm.c/alloc-1.c: New. + +2015-11-19 Torvald Riegel <triegel@redhat.com> + + * testsuite/libitm.c++/eh-5.C: New. + * libitm.h (_ITM_cxa_free_exception): New. + * libitm.map (_ITM_cxa_free_exception): Add it. + * libitm.texi: Update ABI docs. + * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove. + (gtm_transaction_cp::cxa_uncaught_count): Add. + (gtm_thread::cxa_unthrown): Remove. + (gtm_thread::cxa_uncaught_count_ptr): Add. + (gtm_thread::cxa_uncaught_count): Add. + (gtm_thread::drop_references_allocations): Rename to... + (gtm_thread::discard_allocation): ... this and adapt. + (gtm_thread::init_cpp_exceptions): New. + * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling. + (gtm_thread::begin_transaction): Likewise. + (gtm_transaction_cp::save): Likewise. + (gtm_thread::trycommit): Likewise. + * eh_cpp.cc: Add overview comments. + (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare. + (free_any_exception, _ITM_cxa_free_exception): New. + (gtm_thread::init_cpp_exceptions): Define. + (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt. + (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise. + (gtm_thread::revert_cpp_exceptions): Likewise. + +2015-11-09 Torvald Riegel <triegel@redhat.com> + + * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX, + _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New. + * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t. + * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments. + (gtm_thread::forget_allocations): New overload with size_t argument. + * alloc.c (gtm_thread::forget_allocation): Define new overload and + adapt existing one. + (gtm_thread::record_allocation): Adapt. + (gtm_thread::commit_allocations_1): Adapt. + (gtm_thread::commit_allocations_2): Adapt. + * testsuite/libitm.c++/newdelete.C: New. + +2015-10-27 Daniel Jacobowitz <dan@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + Mark Shinwell <shinwell@codesourcery.com> + Andrew Stubbs <ams@codesourcery.com> + Rich Felker <dalias@libc.org> + + * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling + GTM_begin_transaction for compatibility with FDPIC. + +2015-10-09 David Malcolm <dmalcolm@redhat.com> + + * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp, + using load_gcc_lib. + +2015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change) + + PR libitm/61164 + * local_atomic (__always_inline): Rename to... + (__libitm_always_inline): ... this. + +2015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com> + + PR target/52482 + * config/powerpc/sjlj.S: Port to Xcode 2.5. + +2015-05-27 Uros Bizjak <ubizjak@gmail.com> + + * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change + operands "op" and "val" to int. + +2015-05-27 Uros Bizjak <ubizjak@gmail.com> + + * config/linux/sh/futex_bits.h (sys_futex0) Change operands + "op" and "val" to int. + +2015-05-27 Uros Bizjak <ubizjak@gmail.com> + + * config/linux/alpha/futex_bits.h (sys_futex0) Change operands + "op" and "val" to int. + +2015-05-27 Uros Bizjak <ubizjak@gmail.com> + + * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake): + Declare as static int. + (FUTEX_PRIVATE_FLAG): Remove L suffix. + * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int. + +2015-05-27 Uros Bizjak <ubizjak@gmail.com> + + * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove + sys_futex0 function. + +2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com> + + * Makefile.in: Regenerated with automake-1.11.6. + * aclocal.m4: Likewise. + * configure: Likewise. + * testsuite/Makefile.in: Likewise. + +2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca> + + * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h. + * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined. + +2015-01-15 H.J. Lu <hongjiu.lu@intel.com> + + PR libitm/64360 + * libitm.c/stackundo.c (test2): Make it static. + (test1): Likewise. + +2015-01-05 Jakub Jelinek <jakub@redhat.com> + + Update copyright years. + +2015-01-05 Jakub Jelinek <jakub@redhat.com> + + * libitm.texi: Bump @copying's copyright year. + +2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * testsuite/lib/libitm.exp: Load target-utils.exp. + Move load of target-supports.exp earlier. + +2014-12-03 Uros Bizjak <ubizjak@gmail.com> + + * configure.tgt (x86_64): Tune -m32 multilib to generic. + +2014-11-21 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/63784 + * configure: Regenerated. + +2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR target/63610 + * configure: Regenerate. + +2014-10-06 Marek Polacek <polacek@redhat.com> + + * testsuite/libitm.c/memcpy-1.c: Declare getpagesize. + * testsuite/libitm.c/memset-1.c: Likewise. + +2014-07-24 Richard Henderson <rth@redhat.com> + + * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc + addressing mode in epilogue. + +2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for + -mclear-hwcap instead. + * configure: Regenerate. + * clearcap.map: Remove. + +2014-05-21 John Marino <gnugcc@marino.st> + + * configure.tgt (*-*-dragonfly*): New target. + +2014-05-19 Richard Henderson <rth@redhat.com> + + * config/aarch64/sjlj.S: New file. + * config/aarch64/target.h: New file. + * configure.tgt: Enable aarch64. + +2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * config/generic/asmcfi.h: Also check for + __GCC_HAVE_DWARF2_CFI_ASM. + +2013-04-02 Richard Henderson <rth@redhat.com> + + * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove. + * config/arm/target.h, config/sh/target.h: Likewise. + * config/sparc/target.h, config/x86/target.h: Likewise. + +2014-03-26 Jakub Jelinek <jakub@redhat.com> + + * config/linux/futex_bits.h: Include errno.h. + (sys_futex0): If syscall returns -1, return -errno rather than + -1. + +2014-03-26 Joseph Myers <joseph@codesourcery.com> + + * libitm.texi (Index): Rename to Library Index. + +2014-01-13 H.J. Lu <hongjiu.lu@intel.com> + + PR libitm/53113 + * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS. + (x86_avx.lo): Append -mavx to CXXFLAGS. + * Makefile.in: Regenerate. + +2014-01-02 Richard Sandiford <rdsandiford@googlemail.com> + + Update copyright years + +2014-01-02 Tobias Burnus <burnus@net-b.de> + + * libitm.texi: Bump @copying's copyright year. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]: + (FUNC): Define ELFv2 variant. + (END): Likewise. + (HIDDEN): Likewise. + (CALL): Likewise. + (BASE): Likewise. + (LR_SAVE): Likewise. + +2013-09-20 Alan Modra <amodra@gmail.com> + + * configure: Regenerate. + +2013-08-30 Torvald Riegel <triegel@redhat.com> + + * config/posix/rwlock.cc: Fix initialization order. + +2013-08-30 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h (gtm_thread): Assign an asm name to serial_lock. + (htm_fastpath): Assign an asm name. + * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom + HTM fast paths. + (_ITM_actions): Likewise. + * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on + x86_64. + * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path. + * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary + field to the start of the structure. + * config/linux/rwlock.h (gtm_rwlock): Update comments. + * beginend.cc (gtm_thread::begin_transaction): Add retry policy + handling for custom HTM fast paths. + +2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + Revert: + 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * configure.tgt: Add -msoft-float to XCFLAGS. + +2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * configure.tgt: Add -msoft-float to XCFLAGS. + +2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/target.h (htm_begin, htm_commit, htm_abort) + (htm_transaction_active): Enable zEC12 instructions in the + assembler. + * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS. + +2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * acinclude.m4: Add htm asm check for s390. + * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options. + * configure: Regenerate. + * config/s390/target.h: Remove __HTM__ check. + (htm_available): Call getauxval to get hwcaps and check whether + HTM is available or not. + +2013-07-15 Peter Bergner <bergner@vnet.ibm.com> + + * acinclude.m4 (LIBITM_CHECK_AS_HTM): New. + * configure.ac: Use it. + (AC_CHECK_HEADERS): Check for sys/auxv.h. + (AC_CHECK_FUNCS): Check for getauxval. + * config.h.in, configure: Rebuild. + * configure.tgt (target_cpu): Add -mhtm to XCFLAGS. + * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h. + (USE_HTM_FASTPATH): Define. + (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT, + _HTM_RETRIES) New macros. + (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init, + htm_begin_success, htm_commit, htm_transaction_active): New functions. + +2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/target.h: Include htmintrin.h. + (_HTM_ITM_RETRIES): New macro definition. + (htm_available, htm_init, htm_begin, htm_begin_success) + (htm_commit, htm_abort, htm_abort_should_retry): New functions. + +2013-06-20 Iain Sandoe <iain@codesourcery.com> + Cesar Philippidis <cesar@codesourcery.com> + + * testsuite/lib/libitm.exp: Reorder lib loads into dependency order. + Do not load_gcc_lib gcc-dg.exp and add a comment as to why. + * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp. + * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp. + +2013-06-20 Torvald Riegel <triegel@redhat.com> + + * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath. + (_ITM_getTransactionId): Same. + * config/x86/target.h (htm_transaction_active): New. + +2013-06-20 Torvald Riegel <triegel@redhat.com> + + PR libitm/57643 + * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in + the HTM fastpath. + +2013-03-31 Gerald Pfeifer <gerald@pfeifer.com> + + PR bootstrap/56714 + * local_atomic (__always_inline): Always define our version. + (__calculate_memory_order): Mark inline. + (atomic_thread_fence): Ditto. + (atomic_signal_fence): Ditto. + (atomic_bool::atomic_flag_test_and_set_explicit): Ditto. + (atomic_bool::atomic_flag_clear_explicit): Ditto. + (atomic_bool::atomic_flag_test_and_set): Ditto. + (atomic_bool::atomic_flag_clear): Ditto. + +2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/sjlj.S: New file. + * config/s390/target.h: New file. + * configure.tgt: Set options for S/390. + +2013-03-23 Andi Kleen <ak@linux.intel.com> + + * local_atomic (__always_inline): Add. + (__calculate_memory_order, atomic_thread_fence, + atomic_signal_fence, test_and_set, clear, store, load, + exchange, compare_exchange_weak, compare_exchange_strong, + fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor): + Add __always_inline to force inlining. + +2013-02-11 Iain Sandoe <iain@codesourcery.com> + Jack Howarth <howarth@bromo.med.uc.edu> + Patrick Marlier <patrick.marlier@gmail.com> + + PR libitm/55693 + * alloc_cpp.cc: Enable function declarations on darwin. + * eh_cpp.cc: Likewise. + +2013-02-03 Richard Sandiford <rdsandiford@googlemail.com> + + Update copyright years. + +2012-11-09 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (htm_fastpath): New. + (gtm_thread::begin_transaction, _ITM_commitTransaction, + _ITM_commitTransactionEH): Add HTM fastpath handling. + * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New. + * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New. + * config/x86/target.h (htm_available, htm_init, htm_begin_success, + htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New. + * configure.tgt: Add -mrtm to XCFLAGS. + * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New. + (gtm_thread::serialirr_mode): Add HTM fastpath handling. + * libitm_i.h (htm_fastpath, dispatch_htm): Declare. + * retry.cc (parse_default_method): Add HTM method parsing. + (gtm_thread::number_of_threads_changed): Use HTM by default if + available. + +2012-11-04 Thomas Schwinge <thomas@codesourcery.com> + + * configure: Regenerate. + +2012-10-31 Richard Henderson <rth@redhat.com> + + * acinclude.m4 (LIBITM_CHECK_AS_RTM): New. + * configure.ac: Use it. + * config.h.in, configure: Rebuild. + * testsuite/Makefile.in: Rebuild. + +2012-10-24 Torvald Riegel <triegel@redhat.com> + + * libitm.texi: Clarify ABI requirements for data-logging functions. + +2012-10-24 Torvald Riegel <triegel@redhat.com> + + * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether + it requires serial mode instead of assuming that for certain + dispatchs. + * dispatch.h (abi_dispatch::requires_serial): New. + (abi_dispatch::abi_dispatch): Adapt. + * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt. + * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same. + * method-serial.cc (serialirr_dispatch::serialirr_dispatch, + serial_dispatch::serial_dispatch, + serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same. + +2012-10-02 Uros Bizjak <ubizjak@gmail.com> + + * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64 + and ia32 declarations some more. + * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code. + +2012-09-20 Jakub Jelinek <jakub@redhat.com> + + PR other/43620 + * configure.ac (AM_INIT_AUTOMAKE): Add no-dist. + * configure: Regenerate. + * Makefile.in: Regenerate. + +2012-09-14 David Edelsohn <dje.gcc@gmail.com> + + * configure: Regenerated. + +2012-07-31 Uros Bizjak <ubizjak@gmail.com> + + * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause. + +2012-05-21 Patrick Marlier <patrick.marlier@gmail.com> + + * eh_cpp.cc: Fix __cxa_end_catch declaration. + +2012-05-16 H.J. Lu <hongjiu.lu@intel.com> + + * configure: Regenerated. + +2012-04-04 H.J. Lu <hongjiu.lu@intel.com> + + PR libitm/52854 + * config/x86/target.h (gtm_jmpbuf): Replace long with long long + for x86-64. + +2012-04-03 Tristan Gingold <gingold@adacore.com> + + * configure: Regenerate. + +2012-03-31 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/52812 + * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64. + +2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * testsuite/lib/libitm.exp: load fortran-modules.exp + +2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * configure.tgt (*-*-irix6*): Remove. + +2012-03-13 Torvald Riegel <triegel@redhat.com> + + PR libitm/52526 + * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost + wake-up. + +2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * configure.tgt (*-*-osf*): Remove. + * configure: Regenerate. + +2012-03-05 Torvald Riegel <triegel@redhat.com> + + * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute + memtransfer/memset if size isn't larger than zero. + +2012-03-02 Torvald Riegel <triegel@redhat.com> + + * libitm.texi: Link to specification and add a usage example. + +2012-02-24 Torvald Riegel <triegel@redhat.com> + + * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change + default dispatch for more than 1 thread to ml_wt. + +2012-02-20 Torvald Riegel <triegel@redhat.com> + + * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline. + +2012-02-20 Torvald Riegel <triegel@redhat.com> + + * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders. + +2012-02-20 Torvald Riegel <triegel@redhat.com> + + * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of + serial mode corner cases made obsolete by prior gtm_rwlock changes. + (gl_wt_dispatch.rollback): Same. + +2012-02-20 Torvald Riegel <triegel@redhat.com> + + * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders. + +2012-02-20 Torvald Riegel <triegel@redhat.com> + + * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo + for RfW src. Optimize number of calls to gtm_thr. + +2012-02-20 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock + acquisition to ... + * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here. + (default_dispatch): Make atomic. + (GTM::gtm_thread::set_default_dispatch): Access atomically. + (GTM::gtm_thread::decide_retry_strategy): Access atomically and + use decide_begin_dispatch() if default_dispatch might have changed. + (GTM::gtm_thread::number_of_threads_changed): Initialize + default_dispatch here. + +2012-02-15 Iain Sandoe <iains@gcc.gnu.org> + Patrick Marlier <patrick.marlier@gmail.com> + + PR libitm/52220 + * alloc_cpp.cc: No dummy definitions for darwin. + * eh_cpp.cc: Likewise. + +2012-02-14 Richard Henderson <rth@redhat.com> + + * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections. + +2012-02-14 Uros Bizjak <ubizjak@gmail.com> + + * config/x86/target.h (GTM_longjmp): Correct .cfi directives. + +2012-02-14 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h (GTM::gtm_rwlog_entry): New. + (GTM::gtm_thread): Add read and write logs. + (GTM::dispatch_ml_wt): Declare. + * retry.cc (parse_default_method): Support ml_wt. + * method-ml.cc: New file. + * Makefile.am: Add method-ml.cc. + * Makefile.in: Regenerate. + +2012-02-14 Torvald Riegel <triegel@redhat.com> + + * dispatch.h (GTM::abi_dispatch::supports): New. + (GTM::method_group::reinit): New. + * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit(). + (GTM::gtm_thread::number_of_threads_changed): Check that the method + supports the current situation. + +2012-02-14 Torvald Riegel <triegel@redhat.com> + + * util.cc (GTM::xcalloc): New. + * common.h (GTM::xcalloc): Declare. + +2012-02-14 Eric Botcazou <ebotcazou@adacore.com> + + * config/sparc/target.h (cpu_relax): Read from CC register. + * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically. + +2012-02-14 Uros Bizjak <ubizjak@gmail.com> + + * config/x86/target.h (GTM_longjmp): Jump indirect from memory address. + +2012-02-13 Eric Botcazou <ebotcazou@adacore.com> + + * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9. + * config/sparc/cacheline.h: New file. + * config/sparc/target.h: Likewise. + * config/sparc/sjlj.S: Likewise. + * config/linux/sparc/futex_bits.h: Likewise. + +2012-02-13 Eric Botcazou <ebotcazou@adacore.com> + + * configure.ac (link_itm): Fix comment. + * configure: Regenerate. + * testsuite/lib/libitm.exp: Do not pass -litm for the link. + +2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + PR libitm/51822 + * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc. + Correct libgomp references. + +2012-01-24 Torvald Riegel <triegel@redhat.com> + + * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader + wake-up. + +2012-01-24 Uros Bizjak <ubizjak@gmail.com> + + * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the + end of structure. + * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update + offset values. Do not copy return address. Decrement stack + by 56 bytes only. + (GTM_longjump) [__x86_64__]: Update offset values. + +2012-01-23 Uros Bizjak <ubizjak@gmail.com> + + PR libitm/51830 + * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load + the first function argument to %eax. + +2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * libitm.h (_ITM_getThreadnum): Remove. + * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0. + +2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * clearcap.map: New file. + * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test. + * configure.ac: Call it. + Clear HWCAP_LDFLAGS if defaulting to -mavx. + * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS) + * configure: Regenerate. + * Makefile.in: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + PR libitm/51173 + * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove + include, exclude options. + +2012-01-14 Torvald Riegel <triegel@redhat.com> + + * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after + rolling back. + * containers.h (GTM::vector::set_size): New. + +2012-01-14 Torvald Riegel <triegel@redhat.com> + + PR libitm/51855 + * config/generic/tls.h (GTM::mask_stack_top): New. + (GTM::mask_stack_bottom): Declare. + * config/generic/tls.c (GTM::mask_stack_bottom): New. + * local.cc (gtm_undolog::rollback): Filter out any updates that + overlap the libitm stack. Add current transaction as parameter. + * libitm_i.h (GTM::gtm_undolog::rollback): Adapt. + * beginend.cc (GTM::gtm_thread::rollback): Adapt. + * testsuite/libitm.c/stackundo.c: New test. + +2012-01-10 Richard Henderson <rth@redhat.com> + + * libitm_i.h (_Unwind_DeleteException): Declare weak. + * eh_cpp.cc (_Unwind_DeleteException): Define for + !HAVE_ELF_STYLE_WEAKREF. + +2012-01-08 Torvald Riegel <triegel@redhat.com> + + * local.cc (GTM_LB): Use GTM::gtm_undolog. + (GTM::gtm_thread::drop_references_undolog): Remove. + (GTM::gtm_thread::commit_undolog, + GTM::gtm_thread::rollback_undolog): Move to ... + * libitm_i.h (GTM::gtm_undolog): ...here. New. + (GTM::gtm_undolog_entry): Remove. + (GTM::gtm_thread): Adapt. + * beginend.cc (GTM::gtm_thread::rollback): Adapt. + (GTM::gtm_thread::trycommit): Adapt. + * method-serial.cc (serial_dispatch::log): Adapt. + * method-gl.cc (gl_wt_dispatch::pre_write): Adapt. + (gl_wt_dispatch::store): Fix likely/unlikely. + * containers.h (GTM::vector::resize): Add additional_capacity + parameter and handle it. + (GTM::vector::resize_noinline): New/adapt. + (GTM::vector::push): New. + +2012-01-06 Richard Henderson <rth@redhat.com> + + * configure.tgt: Support powerpc-linux and powerpc-darwin. + * config/linux/powerpc/futex_bits.h: New file. + * config/powerpc/cacheline.h: New file. + * config/powerpc/sjlj.S: New file. + * config/powerpc/target.h: New file. + * config/generic/asmcfi.h (cfi_offset): New. + (cfi_restore, cfi_undefined): New. + +2012-01-05 Aldy Hernandez <aldyh@redhat.com> + + PR other/51171 + * testsuite/libitm.c/reentrant.c: Remove xfail. + (thread): Pass x to pure(). + From Patrik Marlier <patrick.marlier@gmail.com>. + +2011-12-24 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce + privatization safety if already in serial mode. + +2011-12-24 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_thread::restart): Add and handle + finish_serial_upgrade parameter. + * libitm.h (GTM::gtm_thread::restart): Adapt declaration. + * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic): + Don't unset reader flag. + (GTM::gtm_rwlock::write_upgrade_finish): New. + * config/posix/rwlock.cc: Same. + * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish): + Declare. + * config/posix/rwlock.h: Same. + * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader + flag after commit or after rollback when restarting. + +2011-12-24 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment. + (GTM::gtm_thread::try_commit): Changed memory order. + * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int + as parameter. + * config/linux/x86/futex_bits.h (sys_futex0): Same. + * config/linux/sh/futex_bits.h (sys_futex0): Same. + * config/linux/futex_bits.h (sys_futex0): Same. + * config/linux/futex.cc (futex_wait, futex_wake): Same. + * config/linux/futex.h (futex_wait, futex_wake): Same. + * config/linux/rwlock.h (gtm_rwlock::writers, + gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic + ints. + * config/linux/rwlock.cc (gtm_rwlock::read_lock, + gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock, + gtm_rwlock::write_unlock): Fix memory orders and fences. + * config/posix/rwlock.cc (gtm_rwlock::read_lock, + gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock, + gtm_rwlock::write_unlock): Same. + * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int. + * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static, + gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart): + Add comments. + (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate, + gl_wt_dispatch::load, gl_wt_dispatch::store, + gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory + orders and fences. Add comments. + +2011-12-21 Jakub Jelinek <jakub@redhat.com> + + * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first. + * Makefile.in: Regenerated. + +2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org> + + * configure.tgt: Add sh* case. + * config/sh/target.h: New file. + * config/sh/sjlj.S: New file. + * config/linux/sh/futex_bits.h: New file. + +2011-12-14 Richard Henderson <rth@redhat.com> + + * config/arm/hwcap.h, config/arm/hwcap.cc: New files. + * config/arm/sjlj.S, config/arm/target.h: New files. + * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New. + (cfi_rel_offset): New. + * config/linux/futex_bits.h: New file. + * config/linux/futex.cc: Include futex_bits.h here... + * config/linux/futex.h: ... not here. + * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc. + * configure.ac (ARCH_AM): New conditional. + * Makefile.in, configure: Rebuild. + * configure.tgt: Handle ARM. + +2011-12-13 Richard Henderson <rth@redhat.com> + + * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix + signed/unsigned comparison werror. + + * local_atomic: New file. + * libitm_i.h: Include it. + (gtm_thread::shared_state): Use atomic template. + * beginend.cc (GTM::gtm_clock): Use atomic template. + (global_tid): Use atomic template if 64-bit atomics available. + (gtm_thread::gtm_thread): Update shared_state access. + (gtm_thread::trycommit): Likewise. + (choose_code_path): Update global_tid access. + * method-gl.cc (gl_mg::orec): Use atomic template. Update all users. + * stmlock.h (GTM::gtm_clock): Use atomic template. + (gtm_get_clock, gtm_inc_clock): Update accesses. + * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove + redundant __sync_synchronize after atomic shared_state access. + * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise. + (gtm_rwlock::write_lock_generic): Likewise. + (gtm_rwlock::read_unlock): Likewise. + * config/alpha/target.h (atomic_read_barrier): Remove. + (atomic_write_barrier): Remove. + * config/x86/target.h (atomic_read_barrier): Remove. + (atomic_write_barrier): Remove. + +2011-11-30 Richard Henderson <rth@redhat.com> + + * libitm_i.h (GTM_longjmp): Swap first and second arguments. + * beginend.c (_ITM_abortTransaction): Update to match. + (GTM::gtm_thread::restart): Likewise. + * config/alpha/sjlj.S (GTM_longjmp): Likewise. + * config/x86/sjlj.S (GTM_longjmp): Likewise. + +2011-11-23 Iain Sandoe <iains@gcc.gnu.org> + + * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined". + * Makefile.in: Regenerate. + +2011-11-22 Iain Sandoe <iains@gcc.gnu.org> + + * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF. + * alloc_cpp.cc: Generate dummy functions if we don't + HAVE_ELF_STYLE_WEAKREF. + * eh_cpp.cc: Likewise. + * configure: Regenerate. + * aclocal.m4: Likewise. + * config.h.in: Likewise. + * Makefile.in: Likewise. + * testsuite/Makefile.in: Likewise. + +2011-11-22 Iain Sandoe <iains@gcc.gnu.org> + + * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to + __USER_LABEL_PREFIX__ for targets that use it. + (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets. + (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist + in portability to non-elf targets. + (GTM_longjmp): Likewise. + * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__ + where required. + +2011-11-22 Iain Sandoe <iains@gcc.gnu.org> + + * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling. + * testsuite/libitm.c/memset-1.c: Likewise. + +2011-11-21 Andreas Tobler <andreast@fgznet.ch> + + * configure: Regenerate. + +2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold. + (LIBITM_ENABLE_SYMVERS): Handle sun style. + * Makefile.am: Handle sun style versioning. + (libitm_la_LINK): Add $(libitm_la_LDFLAGS). + * configure: Regenerate. + * Makefile.in: Regenerate. + +2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * config/generic/asmcfi.h: Fix comment. + * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code + sequence without .hidden support, error for non-ELF targets. + (GTM_longjmp) [__ELF__]: Only use .hidden if + HAVE_ATTRIBUTE_VISIBILITY. + +2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv, + _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t): + Dummy functions. + * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw, + __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise. + +2011-11-16 Uros Bizjak <ubizjak@gmail.com> + + PR bootstrap/51098 + * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector. + * configure: Regenerate. + +2011-11-14 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/lib/libitm.exp: Check ia32 instead of ilp32. + +2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use + .hidden. + (.note.GNU-stack): Only use if __linux__. + * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function. + * testsuite/libitm.c/notx.c: Use dg-options "-pthread". + * testsuite/libitm.c/reentrant.c: Likewise. + * testsuite/libitm.c/simple-2.c: Likewise. + * testsuite/libitm.c/txrelease.c: Likewise. + * testsuite/libitm.c++/static_ctor.C: Likewise. + +2011-11-10 Richard Henderson <rth@redhat.com> + + * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments. + * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX. + * configure.ac (ARCH_X86_AVX): New conditional. + * Makefile.in, configure: Rebuild. + +2011-11-09 Richard Henderson <rth@redhat.com> + + * acinclude.m4 (LIBITM_CHECK_AS_AVX): New. + * configure.ac: Use it. + * config.h.in, configure: Rebuild. + * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX. + +2011-11-09 Richard Henderson <rth@redhat.com> + + * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file. + * config/alpha/unaligned.h: Remove file. + * config/generic/unaligned.h: Remove file. + * config/x86/unaligned.h: Remove file. + * config/generic/cachepage.h: Remove file. + * config/posix/cachepage.cc: Remove file. + * config/generic/cacheline.cc: Remove file. + * config/x86/cacheline.cc: Remove file. + * config/generic/cacheline.h (gtm_cacheline): Remove the + store_mask, copy_mask, copy_mask_wb methods. + * config/x86/cacheline.h: Likewise. + * config/alpha/cacheline.h: Fall back to generic after setting size. + * config/generic/tls.cc (gtm_mask_stack): Remove. + * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove. + (GTM_vpalignr_table): Remove. + * config/x86/x86_sse.cc (GTM_palignr_table): Remove. + (GTM_pshift_table): Remove. + * config/libitm_i.h: Don't include cachepage.h. + * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc + * Makefile.in, testsuite/Makefile.in: Rebuild. + +2011-11-09 Richard Henderson <rth@redhat.com> + + * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte + to emit branch prediction hint. + + * config/x86/sjlj.S: Protect elf directives with __ELF__. + Protect .note.GNU-stack with __linux__. + + * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it. + * configure, aclocal.m4, config.h.in: Rebuild. + * config/generic/asmcfi.h: New file. + * config/x86/sjlj.S: Use it. + +2011-11-08 Richard Henderson <rth@redhat.com> + + * local.cc (_ITM_LB): Use a normal call, not a function alias. + +2011-11-08 Richard Henderson <rth@redhat.com> + + * configure.tgt: Test correct directory for supported cpus. + + * configure.ac: Exit if unsupported. + * configure: Rebuild. + * configure.tgt: Delete boilerplate from libgomp for unsupported + targets. Set UNSUPPORTED for unsupported targets. + +2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * configure.tgt: Handle i386 like i[456]86. + * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't + take address. + * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD || + !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable. + +2011-11-05 Aldy Hernandez <aldyh@redhat.com> + + * method-wbetl.cc: Update copyright notice. + * aatree.cc: Same. + * util.cc: Same. + * libitm.h: Same. + * memset.cc: Same. + * eh_cpp.cc: Same. + * barrier.tpl: Same. + * useraction.cc: Same. + * stmlock.h: Same. + * memcpy.cc: Same. + * common.h: Same. + * config/generic/tls.cc: Same. + * config/generic/cacheline.h: Same. + * config/generic/cachepage.h: Same. + * config/generic/cacheline.cc: Same. + * config/generic/unaligned.h: Same. + * config/x86/cacheline.h: Same. + * config/x86/cacheline.cc: Same. + * config/x86/unaligned.h: Same. + * config/alpha/cacheline.h: Same. + * config/alpha/unaligned.h: Same. + * config/alpha/sjlj.S: Same. + * config/posix/cachepage.cc: Same. + * config/linux/futex.h: Same. + * config/linux/alpha/futex_bits.h: Same. + +2011-11-04 Torvald Riegel <triegel@redhat.com> + + * libitm.texi: No cover text and invariant sections. + +2011-11-03 Richard Henderson <rth@redhat.com> + + * local_type_traits: New file. + * libitm_i.h: Use it. Use C headers, not C++ wrappers. + +2011-11-03 Richard Henderson <rth@redhat.com> + + * configure.ac: Don't test for gfortran. + * configure: Rebuild. + + * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp. + * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest. + +2011-11-03 Aldy Hernandez <aldyh@redhat.com> + + * testsuite/libitm.c/memcpy-1.c: Add copyright notice. + * testsuite/libitm.c/memset-1.c: Same. + * testsuite/libitm.c/c.exp: Same. + * testsuite/lib/libitm-dg.exp: Same. + * testsuite/lib/libitm.exp: Same. + * testsuite/libitm.c++/c++.exp: Same. + +2011-11-03 Aldy Hernandez <aldyh@redhat.com> + + * testsuite/config/default.exp: Update copyright date. + * configure.ac: Add copyright info. + * configure.tgt: Same. + +2011-11-03 Aldy Hernandez <aldyh@redhat.com> + + * testsuite/libitm.c/reentrant.c: XFAIL. + * testsuite/libitm.c++/static_ctor.C: XFAIL. + +2011-10-29 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and + handle aborts. + (_ITM_abortTransaction): Handle aborts of outer transactions. + * libitm_i.h: Same. + * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion. + * libitm.texi: Document aborts of outer transactions. + * testsuite/libitm.c/cancel.c: New file. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * testsuite/*: Change __transaction to __transaction_atomic or + __transaction_relaxed. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile. + (gtm_thr): Same. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h: Add gl_wt dispatch. + * retry.cc (parse_default_method): Same. + * method-gl.cc: New file. + * Makefile.am: Use method-gl.cc. + * Makefile.in: Rebuild. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization + safety if requested by a TM method. + * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for + privatization safety. + * method-serial.cc: Same. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry. + (GTM::gtm_thread): Renamed local_undo to undolog. Renamed + undolog-related member functions from *_local to *_undolog. + * local.cc (gtm_thread::commit_undolog): Same. + * beginend.cc (GTM::gtm_thread::trycommit): Same. + (GTM::gtm_thread::rollback): Roll back undolog before + dispatch-specific rollback. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle + re-initialization of the current method group. + * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * alloc.cc (commit_allocations_2): Do not free transaction-local + memory when committing a nested transaction. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use + serial-irrevocable dispatch, not serial. + +2011-10-19 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up + declarations. + * dispatch.h (GTM::abi_dispatch::begin_or_restart): New. + * method-serial.cc: Implement begin_or_restart(). + * beginend.cc (GTM::gtm_thread::begin_transaction): Call + dispatch-specific begin_or_restart(). + (GTM::gtm_thread::restart): Same. + +2011-08-23 Torvald Riegel <triegel@redhat.com> + + * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix + restarting without switching to serial mode. + (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the + transaction state. Choose closed-nesting alternative if available. + (GTM::gtm_thread::set_default_dispatch): New. + (parse_default_method): New. + (GTM::gtm_thread::number_of_threads_changed): New. + * method-serial.cc (GTM::serial_mg): New method group class. + (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and + fini. + (GTM::serial_dispatch): Same. + (GTM::serialirr_onwrite_dispatch): Same. + (GTM::gtm_thread::serialirr_mode): Remove calls to fini. + * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of + registered threads. + (GTM::gtm_thread::gtm_thread): Same. + (_ITM_abortTransaction): Remove calls to abi_dispatch::fini(). + (GTM::gtm_thread::trycommit): Same. Reset number of restarts. + (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch() + choose dispatch but set state according to dispatch here. + * dispatch.h (GTM::abi_dispatch::fini): Move to method group. + (GTM::method_group): New class. + (GTM::abi_dispatch): Add comments. Maintain pointer to method_group. + * libitm_i.h (GTM::gtm_thread): Add declarations for new members. + * libitm.texi: Document TM methods, method groups, method life cycle. + Rename method sets to method groups. + +2011-08-23 Torvald Riegel <triegel@redhat.com> + + * config/x86/tls.h: Moved to ... + * config/linux/x86/tls.h: ... here. + +2011-08-23 Torvald Riegel <triegel@redhat.com> + + * config/x86/tls.h: Use __x86_64__ instead of __LP64__. + Add X32 support. + * config/x86/sjlj.S: Same. + +2011-08-19 Torvald Riegel <triegel@redhat.com> + + * config/linux/rwlock.h: New file. + * config/linux/rwlock.c: New file. + * configure.ac: Reenable futex support (undo SVN rev 157758). + * Makefile.am: Same. + * configure.tgt: Same. + * config/linux/alpha/futex_bits.h: Same. + * config/linux/futex.h: Same. Return number of woken processes. + * config/linux/futex.cc: Same. + (futex_wait): Remove spinning. + * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero. + Use __x86_64__ instead of __LP64__. + * aclocal.m4: Include generic futex checks. + * configure: Rebuild. + * Makefile.in: Rebuild. + * testsuite/Makefile.in: Rebuild. + * beginend.cc: Include pthread.h. + * config/posix/cachepage.cc: Same. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed. + (abi_disp, set_abi_disp): Move to tx's TLS slot. + (set_gtm_thr): New. + * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed. + (set_gtm_thr): New. + (GTM::gtm_thread::thread_num): Removed. + (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls. + * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More + tx-to-thread renaming. + * beginend.cc: Adapted to tx-to-thread renaming. + (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler(). + (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction(). + * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed + gtm_transaction to gtm_thread. + (_ITM_getThreadnum): Removed. Not supported anymore. + * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call. + * libitm.texi: Documented that _ITM_getThreadnum is not supported. + * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to + gtm_tx-to-gtm_thr renaming if necessary. + * eh_cpp.cc: Same. + * local.cc: Same. + * retry.cc: Same. + * clone.cc: Same. + * alloc.cc: Same. + * alloc_c.cc: Same. + * alloc_cpp.cc: Same. + * method-serial.cc: Same. + * config/generic/tls.cc: Same. + * config/posix/rwlock.h (gtm_rwlock): Same. + * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking + implementation. + (gtm_rwlock::read_unlock): Same. + (gtm_rwlock::write_lock_generic): New. Generalized from ... + (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these. + * libitm_i.h (GTM::gtm_transaction): Added shared_state. + * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and + w_upgrade. Replaced by per-transaction flags (in shared_state). + Added c_confirmed_writers. + (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock, + GTM::gtm_rwlock::write_upgrade): Add tx parameter. + * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same. + * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same. + * beginend.cc (GTM::gtm_transaction::begin_transaction, + _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same. + * libitm.texi: Document locking conventions and implementations in + libitm. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h (next_tx): Add list of all threads' transaction. + * beginend.cc (GTM::gtm_transaction::begin_transaction): Register + transaction with list of transactions and ... + (thread_exit_handler): ... deregister here. + * config/alpha/target.h: Add HW_CACHELINE_SIZE setting. + * config/x86/target.h: Same. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * testsuite/libitm.c++/static_ctor.C: New file. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * testsuite/libitm.c/reentrant.c: New file. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * config/generic/tls.h: Remove the free list for transactions and ... + * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ... + (GTM::gtm_transaction::operator delete): ... and release here. + (thread_exit_handler): New. Delete tx when thread terminates. + (thread_exit_init): New. + (GTM::gtm_transaction::begin_transaction): Set up on-exit handler. + * testsuite/libitm.c/txrelease.c: New file. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary. + * testsuite/libitm.c/notx.c: New file. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * config/generic/tls.h (gtm_thread): Move local_tid from here ... + * libitm_i.h (local_tid): ... to here. + * beginend.cc (GTM::gtm_transaction::begin_transaction): Same. + (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use + serialirr_onwrite_dispatch as new default for now. + * method-serial.cc (serialirr_onwrite_dispatch): New. + (GTM::dispatch_serialirr_onwrite): New. + * libitm_i.h: Same. + +2011-08-12 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well. + * query.cc (_ITM_getTransactionId): There is no active transaction if + the current nesting level is zero. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level + rollback. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get + transaction properties from the caller instead of from the + transaction object. + * libitm_i.h: Same. + * beginend.cc (GTM::gtm_transaction::begin_transaction): Same. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * local.cc (gtm_transaction::rollback_local): Support closed nesting. + * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same. + * dispatch.h: Same. + * method-serial.cc: Same. + * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to + flat nesting as default, and closed nesting on demand. + (GTM::gtm_transaction::rollback): Same. + (_ITM_abortTransaction): Same. + (GTM::gtm_transaction::restart): Same. + (GTM::gtm_transaction::trycommit): Same. + (GTM::gtm_transaction::trycommit_and_finalize): Removed. + (choose_code_path): New. + (GTM::gtm_transaction_cp::save): New. + (GTM::gtm_transaction_cp::commit): New. + * query.cc (_ITM_inTransaction): Support flat nesting. + * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting. + (GTM::gtm_transaction): Support flat and closed nesting. + * alloc.cc (commit_allocations_2): New. + (commit_cb_data): New helper struct. + (GTM::gtm_transaction::commit_allocations): Handle nested + commits/rollbacks. + * libitm.texi: Update user action section, add description of nesting. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h: Add closed nesting as restart reason. + * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * useraction.cc: Use vector instead of list to store actions. + Also support partial rollbacks for closed nesting. + * libitm_i.h (GTM::gtm_transaction::user_action): Same. + * beginend.cc: Same. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and + closed_nesting flags, as well as a closed nesting alternative. + * method-serial.cc: Same. + (serial_dispatch): Renamed to serialirr_dispatch. + (GTM::dispatch_serialirr): Same. + (serial_dispatch_ul): Renamed to serial_dispatch. + (GTM::dispatch_serial): Same. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value. + +2011-07-28 Torvald Riegel <triegel@redhat.com> + + * aatree.h (aa_tree::remove): New. + (aa_tree::operator new): Add placement new. + +2011-07-02 Torvald Riegel <triegel@redhat.com> + + * containers.h: New file. + * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag. + * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ... + * common.h: ... to here. + (local_undo): Use GTM::vector for gtm_transaction::local_undo. + * local.cc: Same. + +2011-06-30 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h (STATE_ABORTING): Remove. + * beginend.cc (_ITM_abortTransaction): Same. + (GTM::gtm_transaction::trycommit_and_finalize): Same. + * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove. + (_ITM_rollbackTransaction): Remove. + * beginend.cc: Same. + * libitm.map: Same. + * libitm.texi: Document these ABI changes. + +2011-06-30 Torvald Riegel <triegel@redhat.com> + + * libitm.texi: New file. + * Makefile.am: Add libitm.texi. + * Makefile.in: Rebuild. + +2011-06-30 Torvald Riegel <triegel@redhat.com> + + * libitm_i.h: Move parts to common.h and dispatch.h. + * common.h: New file. + * dispatch.h: New file, new dispatch class. + Rename GTM::abi_dispatch::lock_type to ls_modifier. + RenameGTM::abi_dispatch::NOLOCK to NONTXNAL. + * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode + decision to retry.cc. + * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode + only. + (GTM::gtm_transaction::decide_begin_dispatch): Same. + * method-serial.cc: Adapt to new dispatch. Add serial mode with undo + logging. + * barrier.cc: Use new barriers definitions. + (abi_dispatch::memmove_overlap_check): New. + * config/x86/x86_sse.cc: Same. + * config/x86/x86_avx.cc: Same. + * Makefile.am: Don't build readonly and wbetl methods, memset.cc and + memcpy.cc. + * Makefile.in: Rebuild. + * method-readonly.cc: Remove. + * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier. + Rename GTM::abi_dispatch::NOLOCK to NONTXNAL. + +2011-06-30 Torvald Riegel <triegel@redhat.com> + + * alloc_c.cc (_ITM_dropReferences): Don't support it anymore. + * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail. + * testsuite/libitm.c/dropref-2.c: Same. + * testsuite/libitm.c/dropref.c: Same. + +2011-06-30 Torvald Riegel <triegel@redhat.com> + + * config/generic/tls.h (gtm_disp): Rename to abi_disp. + * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp. + * libitm_i.h: Rename gtm_dispatch to abi_dispatch. + * alloc_c.cc: Same. + * barrier.tpl: Same. + * beginend.c: Same. + * config/generic/tls.h: Same. + * config/x86/tls.h: Same. + * libitm_i.h: Same. + * memcpy.cc: Same. + * memset.cc: Same. + * method-readonly.cc: Same. + * method-serial.cc: Same. + * method-wbetl.cc: Same. + * retry.cc: Same. + +2011-03-03 Richard Henderson <rth@redhat.com> + + * config/posix/rwlock.cc (write_upgrade): Add missing case. + From Patrik Marlier <patrick.marlier@unine.ch>. + +2011-02-03 Richard Henderson <rth@redhat.com> + + * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New. + * configure.ac: Use it. + * configure, config.h.in: Rebuild. + * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name. + (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX, + _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise. + * libitm.map: Use wildcards to match size_t mangling. + +2010-12-14 Richard Henderson <rth@redhat.com> + + * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate + blocks of TIDs per thread. + * config/generic/tls.h (struct gtm_thread): Add local_tid member. + (setup_gtm_thr): Return the thread structure. + * config/x86/tls.h (setup_gtm_thr): Likewise. + +2010-12-14 Richard Henderson <rth@redhat.com> + + * clone.cc (table_lock): Remove. + (find_clone): Don't take it. + (ExcludeTransaction): New helper class. + (_ITM_registerTMCloneTable): Use it. + (_ITM_deregisterTMCloneTable): Likewise. + +2010-12-14 Richard Henderson <rth@redhat.com> + + * config/x86/tls.h: New file. + +2010-07-15 Richard Henderson <rth@redhat.com> + + * Makefile.am (AM_CXXFLAGS): Add -funwind-tables. + * Makefile.in: Rebuild. + +2010-07-13 Aldy Hernandez <aldyh@redhat.com> + + * method-wbetl.cc (trydropreference): Fix source line. + +2010-07-13 Aldy Hernandez <aldyh@redhat.com> + + * libitm.h: Add comment. + * libitm_i.h (begin_transaction): Add ITM_REGPARM. + +2010-07-07 Aldy Hernandez <aldyh@redhat.com> + + * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS. + * beginend.cc (begin_transaction): If 64-bit sync builtins are not + available, use pthread mutexes. + * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New. + * config.h.in: Regenerate. + * configure: Regenerate. + +2010-07-06 Aldy Hernandez <aldyh@redhat.com> + + * libitm.h (ITM_PURE): Define. + Declare _ITM_malloc, _ITM_calloc, and _ITM_free. + +2010-06-28 Aldy Hernandez <aldyh@redhat.com> + + * method-wbetl.cc (class wbetl_dispatch): Add trydropreference. + (validate): Add comment. + (trydropreference): New. + * method-readonly.cc (class readonly_dispatch): Add + trydropreference. + * alloc_c.cc (_ITM_dropReferences): Remove const attribute. + Call trydropreference(). + * libitm.h (_ITM_dropReferences): Remove const attribute. + * method-serial.cc (class serial_dispatch): Add trydropreference. + * libitm_i.h (struct gtm_dispatch): Add trydropreference. + +2010-06-28 Aldy Hernandez <aldyh@redhat.com> + + * memcpy.cc (do_memcpy): Comment. + +2010-06-25 Aldy Hernandez <aldyh@redhat.com> + + * barrier.tpl: Add comments throughout. + +2010-06-24 Aldy Hernandez <aldyh@redhat.com> + + * method-wbetl.cc (struct w_entry): Add comments. + (trycommit): Same. + (rollback): Same. + +2010-06-24 Aldy Hernandez <aldyh@redhat.com> + + * alloc_c.cc (_ITM_dropReferences): New. + * libitm.map (_ITM_dropReferences): Add. + * libitm.h (_ITM_dropReferences): Add transaction_pure attribute. + * libitm_i.h (struct gtm_transaction): Declare + drop_references_allocations and drop_references_local. + * local.cc (rollback_local): Ignore memory when applicable. + (drop_references_local): New. + +2010-06-23 Richard Henderson <rth@redhat.com> + + * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc, + memset.cc, method-serial.cc: Revert the 2010-06-16 change. + * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*. + * config/alpha/target.h: Likewise. + * config/generic/tls.cc (gtm_mask_stack): Use it. + +2010-06-23 Richard Henderson <rth@redhat.com> + + * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use + a mutex instead of trying a lock-free compare-and-swap on the list. + (gtm_cacheline_page::operator delete): Likewise. + +2010-06-16 Richard Henderson <rth@redhat.com> + + * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes + that overlap the libitm stack. + * barrier.tpl: Mark incoming stack. + * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction, + _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise. + * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise. + * memcpy.cc, memset.cc: Likewise. + * method-serial.cc (_ITM_changeTransactionMode): Likewise. + * config/generic/tls.h (gtm_thread): Add stack_top member. + (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New. + * libitm_i.h (gtm_mask_stack): Declare. + * config/generic/tls.cc: New file. + * Makefile.am (libitm_la_SOURCES): Add it. + (AM_CXXFLAGS): Turn off exceptions. + * Makefile.in: Rebuild. + +2010-06-16 Richard Henderson <rth@redhat.com> + + * alloc.cc (struct gtm_alloc_action): Move definition ... + * libitm_i.h: ... here. + (class gtm_transaction): Declare new and delete. + * beginend.cc (alloc_tx): Reformulate as operator new. + (free_tx): Reformulate as operator delete. + * config/generic/tls.h (gtm_thread): Change free_tx member to void *. + +2010-06-11 Richard Henderson <rth@redhat.com> + + * clone.cc (clone_entry_compare): Fix typo. + From Patrik Marlier <patrick.marlier@unine.ch>. + +2010-05-13 Richard Henderson <rth@redhat.com> + + * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions + in extern "C". + +2010-05-07 Aldy Hernandez <aldyh@redhat.com> + + * libitm_i.h (struct gtm_transaction): Remove + get_allocation_size. + (record_allocation): Remove size parameter. + * libitm.map (_ITM_realloc): Remove. + * alloc_c.cc (_ITM_realloc): Remove. + (_ITM_malloc): Remove size argument to record_allocation. + (_ITM_calloc): Same. + * alloc_cpp.cc (_ZGTtnwm): Same. + (_ZGTtnwmRKSt9nothrow_t): Same. + (_ZGTtnam): Same. + (_ZGTtnamRKSt9nothrow_t): Same. + * alloc.cc (struct gtm_alloc_action): Remove size. + (get_allocation_size): Remove. + (commit_allocations): Add comment. + (record_allocation): Remove size parameter. + (forget_allocation): Remove set of size. + +2010-04-19 Aldy Hernandez <aldyh@redhat.com> + + * Makefile.am (abi_version): New. + (AM_CXXFLAGS): Pass abi_version. + * Makefile.in: Regenerate. + * config/x86/unaligned.h: Remove always_inline kludge for vectors. + +2010-04-06 Aldy Hernandez <aldyh@redhat.com> + + * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from + _ITM_getTMCloneOrIrrevokable. + * libitm.h (_ITM_getTMCloneOrIrrevocable): Same. + * libitm.map (_ITM_getTMCloneOrIrrevocable): Same. + +2010-03-26 Aldy Hernandez <aldyh@redhat.com> + + * configure.ac: Remove Linux futex support. + * configure.tgt (config_path): Same. + * Makefile.am: Same. + * config/linux: Remove entire directory. + * configure: Rebuild. + * Makefile.in: Rebuild. + * testsuite/Makefile.in: Rebuild. + +2010-03-09 Aldy Hernandez <aldyh@redhat.com> + + * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when + switching to serial mode. + * beginend.cc (trycommit_and_finalize): Unlock serial_lock. + +2010-03-03 Aldy Hernandez <aldyh@redhat.com> + + * configure.tgt: Add emacs -*- tags. + * barrier.tpl: Same. + +2010-02-23 Aldy Hernandez <aldyh@redhat.com> + + * Makefile.am: Rename serial.cc to method-serial.cc. + * Makefile.in: Regenerate with automake 1.11.1. + * testsuite/Makefile.in: Same. + * aclocal.m4: Regenerate with aclocal 1.11.1. + * method-serial.cc: Rename from serial.cc. + * libitm_i.h (struct gtm_transaction): Update comment on + serialirr_mode. + +2010-02-22 Aldy Hernandez <aldyh@redhat.com> + + * libitm_i.h (GTM_longjmp): Add ITM_REGPARM. + * config/linux/rwlock.h (class gtm_rwlock): Add comments. + +2010-02-11 Aldy Hernandez <aldyh@redhat.com> + + * configure: Rebuild. + +2009-11-12 Richard Henderson <rth@redhat.com> + + * Rewrite everything in C++. + +2009-11-03 Richard Henderson <rth@redhat.com> + + * config/x86/x86_sse.c, config/x86/x86_avx.c: New files. + * Makefile.am (libitm_la_SOURCES): Add them. + * configure.ac (ARCH_X86): New conditional. + * Makefile.in, configure: Rebuild. + * configure.tgt: Set up ARCH; do cflags setup at the same time. + Move futex setup into "other system configury" case. + * local.c (rollback_local): Merge into ... + (GTM_rollback_local): ... here. + (GTM_LB): Rename from GTM_alloc_local; do the memcpy here. + (_ITM_LB): Define as an alias to GTM_LB. + +2009-11-03 Richard Henderson <rth@redhat.com> + + * method-readonly.c: New file. + * Makefile.am (libitm_la_SOURCES): Add it. + * Makefile.in: Rebuild. + * beginend.c (gtm_stmlock_array, gtm_clock): New. + (GTM_begin_transaction): Use dispatch_readonly for read-only txn. + * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c. + (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p, + gtm_stmlock_set_owned, gtm_stmlock_get_addr, + gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE, + gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY, + gtm_get_clock, gtm_inc_clock): New. + * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX, + LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP, + LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK, + locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and + replace uses with new libitm_i.h symbols. + (dispatch_wbetl): Rename from wbetl_dispatch. + * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move + away from dispatch_readonly; abort if the beginTransaction call + asserted that the transaction was readonly. + +2009-11-03 Richard Henderson <rth@redhat.com> + + * memset.c: New file. + * Makefile.am (libitm_la_SOURCES): Add it. + * Makefile.in: Rebuild. + * testsuite/libitm.c/memset-1.c: New. + +2009-11-03 Richard Henderson <rth@redhat.com> + + * dispatch.c: Remove file. + * useraction.c (struct gtm_user_action): Move from libitm.h. + * serial.c (GTM_null_read_lock, GTM_null_write_lock): New. + (serial_memset, serial_memmove, serial_memcpy): Remove. + (serial_W*, serial_R*): Remove. + (serial_dispatch): Update to match. + * configure.ac: Move Werror down below configure checks. Don't + check for sys/loadavg.h, do check for malloc.h. Don't check for + getloadavg and clock_gettime; do check for memalign, posix_memalign. + Use GCC_AC_FUNC_MMAP_BLACKLIST + * libitm.h: Split out all internal items to... + * libitm_i.h: ... here. New file. + * copymask.c: New file. + * local.c (struct gtm_local_undo): Move from libitm.h. + (GTM_alloc_local): Rename from alloc_local; export. + * memcpy.c: New file. + * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly. + * config/posix/page.c: New file. + * config/posix/target_tls.h: Remove file. + * barrier.c: New file. + * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c, + copymask.c, page.c. + * alloc.c (struct gtm_alloc_action): Move from libitm.h. + * method-wbetl.c: Rewrite for new cacheline methods. + * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild. + + * config/alpha/sjlj.S: Fix typo. + * config/alpha/target_i.h: Copy functions from alpha/target.h. + * config/alpha/copymask.c: New file. + * config/alpha/target.h (CACHELINE_SIZE): New. + (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New. + + * config/x86/target_i.h: Copy functions from x86/target.h. + * config/x86/copymask.c: New file. + * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove. + (CACHELINE_SIZE, STRICT_ALIGNMENT): New. + (PAGE_SIZE, FIXED_PAGE_SIZE): New. + * config/x86/target_tls.h: Move contents to target_i.h. + + * testsuite/libitm.c/clone-1.c: Include libitm.h. + * testsuite/libitm.c/memcpy-1.c: New. + +2009-10-22 Richard Henderson <rth@redhat.com> + + * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove. + (AM_CCASFLAGS): New. + * configure.ac: Add AM_PROG_AS. Use m4_rename_force for + saving/restoring _AC_ARG_VAR_PRECIOUS. + * Makefile.in, aclocal.m4, config.h.in, configure, + testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64. + +2009-10-22 Richard Henderson <rth@redhat.com> + + * testsuite/*: Update for new compiler syntax. + +2009-10-21 Richard Henderson <rth@redhat.com> + + * libitm.h (_ITM_abortReason): Add outerAbort. + +2009-08-03 Richard Henderson <rth@redhat.com> + + * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception, + _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export. + * method-wbetl.c (struct w_entry): Remove mask. + (wbetl_write, wbetl_load): Return pointer to word containing the data; + adjust all callers. + +2009-07-22 Richard Henderson <rth@redhat.com> + + * eh_cpp.c: New file. + * Makefile.am (libitm_la_SOURCES): Add it. + * Makefile.in: Rebuild. + * beginend.c (GTM_rollback_transaction): Undo exception state. + (GTM_trycommit_transaction): Mark inline. + (GTM_trycommit_and_finalize_transaction): Split out from ... + (_ITM_commitTransaction): ... here. + (_ITM_commitTransactionEH): New function. + * libitm.h (struct gtm_transaction): Add cxa_catch_count, + cxa_unthrown, eh_in_flight; reorder. + + * testsuite/libitm.c++/c++.exp: New. + * testsuite/libitm.c++/eh-1.C: New. + + * aatree.c (aa_free): Remove REGPARM. + * aatree.h: Remove all REGPARM. + +2009-07-18 Richard Henderson <rth@redhat.com> + + * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files. + * Makefile.am (libitm_la_SOURCES): Add them. + * Makefile.in: Rebuild. + * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations. + (GTM_trycommit_transaction): Likewise. + * libitm.h: Include aatree.h + (struct gtm_alloc_action): New. + (struct gtm_transaction): Add alloc_actions. + (GTM_record_allocation, GTM_forget_allocation): Declare. + (GTM_get_allocation_size, GTM_commit_allocations): Declare. + * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free, + _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t, + _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t, + _ZGTtdaPvRKSt9nothrow_t): Export. + +2009-07-18 Richard Henderson <rth@redhat.com> + + * target_tls.h: Move ... + * config/posix/target_tls.h: ... here. + +2009-07-07 Richard Henderson <rth@redhat.com> + + * config/x86/target.h (atomic_write_barrier): Use sfence if available. + +2009-07-07 Richard Henderson <rth@redhat.com> + + * Update to GPL3. + +2009-07-07 Richard Henderson <rth@redhat.com> + + * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t. + * beginend.c (global_tid): Widen to _ITM_transactionId_t. + + * configure.tgt: Don't use -ftls-model for x86 linux. + * libitm.h: Include target.h after standard includes. + (_gtm_thr): Rename from gtm_thr. + (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New. + (gtm_disp, set_gtm_disp): New. + * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c, + retry.c, serial.c, useraction.c: Use accessor functions throughout. + * config/alpha/target_tls.h, config/x86/target_tls.h: New files. + +2009-07-07 Richard Henderson <rth@redhat.com> + + * config/linux/rwlock.c (EZ): New define. Use it throughout. + +2009-07-06 Richard Henderson <rth@redhat.com> + + * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove. + (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove. + (_ITM_beginTransaction): Take variadic arguments. + (_ITM_registerThrownObject): Declare. + * beginend.c, serial.c: Update. + * libitm.map: Add _ITM_registerThrownObject. + +2009-01-28 Richard Henderson <rth@redhat.com> + + * Makefile.am (libitm_la_SOURCES): Add clone.c. + * Makefile.in: Rebuild. + * beginend.c (_ITM_abortTransaction): Abort if irrevokable. + (GTM_restart_transaction): Fix uninstrumented code check. + * retry.c (GTM_decide_retry_strategy): Add serial check. + * serial.c (GTM_serialmode): Add irrevokable variable. Don't + automatically go irrevokable when in serial mode. + * clone.c: New file. + * libitm.h, libitm.map: Update. + +2009-01-27 Richard Henderson <rth@redhat.com> + + * Makefile.am (LTCCASCOMPILE): Define. + (libitm_la_SOURCES): Add methid-wbetl.c. + * testsuite/Makefile.am: New + * configure.ac: Add testsuite/Makefile. + * Makefile.in, testsuite/Makefile.in, configure: Regenerate. + * beginend.c (GTM_begin_transaction): Install wbetl_dispatch. + (_ITM_abortTransaction): Finalize implementation method; pass + transaction properties to longjmp. + (GTM_restart_transaction): Split out from ... + (_ITM_commitTransaction): ... here. + * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier): + Move to config/x86/target.h. + * config/linux/alpha/futex_bits.h: New. + * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register. + * config/x86/target.h: Disable target types for 32-bit. + * config/alpha/sjlj.S, config/alpha/target.h: New. + * libitm.h (struct gtm_dispatch): Add init, fini. + (enum restart_reason): New. + (struct gtm_transaction): Add method and restarts. + * retry.c (GTM_decide_retry_strategy): Implement. + * serial.c (serial_init, serial_fini): New. + (GTM_serialmode): Finialize outgoing method. + * method-wbetl.c: New. + +2008-12-09 Richard Henderson <rth@redhat.com> + + * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New. + * configure.tgt (i386-*, x86_64-*): Don't force SSE. + * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR. + * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default. + (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header. + (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES. + * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR. + * serial.c (serial_R##T, serial_W##T): Likewise. + +2008-11-21 Richard Henderson <rth@redhat.com> + + * Initial commit. + +Copyright (C) 2008-2017 Free Software Foundation, Inc. + +Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved.