2011-12-21 Jakub Jelinek * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first. * Makefile.in: Regenerated. 2011-12-17 Kaz Kojima * 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 * 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) : Add hwcap.cc. * configure.ac (ARCH_AM): New conditional. * Makefile.in, configure: Rebuild. * configure.tgt: Handle ARM. 2011-12-13 Richard Henderson * 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 * 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 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined". * Makefile.in: Regenerate. 2011-11-22 Iain Sandoe * 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 * 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 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling. * testsuite/libitm.c/memset-1.c: Likewise. 2011-11-21 Andreas Tobler * configure: Regenerate. 2011-11-21 Rainer Orth * 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 * 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 * 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 PR bootstrap/51098 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector. * configure: Regenerate. 2011-11-14 H.J. Lu * testsuite/lib/libitm.exp: Check ia32 instead of ilp32. 2011-11-10 Rainer Orth * 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 * 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 * 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 * 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 * 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 * local.cc (_ITM_LB): Use a normal call, not a function alias. 2011-11-08 Richard Henderson * 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 * 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 * 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 * libitm.texi: No cover text and invariant sections. 2011-11-03 Richard Henderson * local_type_traits: New file. * libitm_i.h: Use it. Use C headers, not C++ wrappers. 2011-11-03 Richard Henderson * 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 * 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 * testsuite/config/default.exp: Update copyright date. * configure.ac: Add copyright info. * configure.tgt: Same. 2011-11-03 Aldy Hernandez * testsuite/libitm.c/reentrant.c: XFAIL. * testsuite/libitm.c++/static_ctor.C: XFAIL. 2011-10-29 Torvald Riegel * 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 * testsuite/*: Change __transaction to __transaction_atomic or __transaction_relaxed. 2011-10-19 Torvald Riegel * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile. (gtm_thr): Same. 2011-10-19 Torvald Riegel * 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 * 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 * 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 * 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 * alloc.cc (commit_allocations_2): Do not free transaction-local memory when committing a nested transaction. 2011-10-19 Torvald Riegel * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use serial-irrevocable dispatch, not serial. 2011-10-19 Torvald Riegel * 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 * 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 * config/x86/tls.h: Moved to ... * config/linux/x86/tls.h: ... here. 2011-08-23 Torvald Riegel * config/x86/tls.h: Use __x86_64__ instead of __LP64__. Add X32 support. * config/x86/sjlj.S: Same. 2011-08-19 Torvald Riegel * 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 * 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 * 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 * 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 * testsuite/libitm.c++/static_ctor.C: New file. 2011-08-12 Torvald Riegel * testsuite/libitm.c/reentrant.c: New file. 2011-08-12 Torvald Riegel * 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 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary. * testsuite/libitm.c/notx.c: New file. 2011-08-12 Torvald Riegel * 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 * 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 * 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 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level rollback. 2011-07-28 Torvald Riegel * 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 * 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 * libitm_i.h: Add closed nesting as restart reason. * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same. 2011-07-28 Torvald Riegel * 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 * 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 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value. 2011-07-28 Torvald Riegel * aatree.h (aa_tree::remove): New. (aa_tree::operator new): Add placement new. 2011-07-02 Torvald Riegel * 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 * 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 * libitm.texi: New file. * Makefile.am: Add libitm.texi. * Makefile.in: Rebuild. 2011-06-30 Torvald Riegel * 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 * 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 * 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 * config/posix/rwlock.cc (write_upgrade): Add missing case. From Patrik Marlier . 2011-02-03 Richard Henderson * 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 * 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 * 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 * config/x86/tls.h: New file. 2010-07-15 Richard Henderson * Makefile.am (AM_CXXFLAGS): Add -funwind-tables. * Makefile.in: Rebuild. 2010-07-13 Aldy Hernandez * method-wbetl.cc (trydropreference): Fix source line. 2010-07-13 Aldy Hernandez * libitm.h: Add comment. * libitm_i.h (begin_transaction): Add ITM_REGPARM. 2010-07-07 Aldy Hernandez * 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 * libitm.h (ITM_PURE): Define. Declare _ITM_malloc, _ITM_calloc, and _ITM_free. 2010-06-28 Aldy Hernandez * 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 * memcpy.cc (do_memcpy): Comment. 2010-06-25 Aldy Hernandez * barrier.tpl: Add comments throughout. 2010-06-24 Aldy Hernandez * method-wbetl.cc (struct w_entry): Add comments. (trycommit): Same. (rollback): Same. 2010-06-24 Aldy Hernandez * 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 * 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 * 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 * 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 * 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 * clone.cc (clone_entry_compare): Fix typo. From Patrik Marlier . 2010-05-13 Richard Henderson * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions in extern "C". 2010-05-07 Aldy Hernandez * 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 * 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 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from _ITM_getTMCloneOrIrrevokable. * libitm.h (_ITM_getTMCloneOrIrrevocable): Same. * libitm.map (_ITM_getTMCloneOrIrrevocable): Same. 2010-03-26 Aldy Hernandez * 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 * 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 * configure.tgt: Add emacs -*- tags. * barrier.tpl: Same. 2010-02-23 Aldy Hernandez * 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 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM. * config/linux/rwlock.h (class gtm_rwlock): Add comments. 2010-02-11 Aldy Hernandez * configure: Rebuild. 2009-11-12 Richard Henderson * Rewrite everything in C++. 2009-11-03 Richard Henderson * 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 * 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 * 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 * 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 * 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 * testsuite/*: Update for new compiler syntax. 2009-10-21 Richard Henderson * libitm.h (_ITM_abortReason): Add outerAbort. 2009-08-03 Richard Henderson * 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 * 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 * 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 * target_tls.h: Move ... * config/posix/target_tls.h: ... here. 2009-07-07 Richard Henderson * config/x86/target.h (atomic_write_barrier): Use sfence if available. 2009-07-07 Richard Henderson * Update to GPL3. 2009-07-07 Richard Henderson * 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 * config/linux/rwlock.c (EZ): New define. Use it throughout. 2009-07-06 Richard Henderson * 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 * 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 * 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 * 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 * Initial commit.