From patchwork Thu Nov 3 17:46:19 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aldy Hernandez X-Patchwork-Id: 123475 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) by ozlabs.org (Postfix) with SMTP id 778BAB6F8C for ; Fri, 4 Nov 2011 04:46:50 +1100 (EST) Received: (qmail 31259 invoked by alias); 3 Nov 2011 17:46:45 -0000 Received: (qmail 31234 invoked by uid 22791); 3 Nov 2011 17:46:40 -0000 X-SWARE-Spam-Status: No, hits=-6.1 required=5.0 tests=AWL, BAYES_20, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, SPF_HELO_PASS, TW_CP X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 03 Nov 2011 17:46:21 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id pA3HkKun015240 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 3 Nov 2011 13:46:20 -0400 Received: from houston.quesejoda.com (vpn-236-154.phx2.redhat.com [10.3.236.154]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id pA3HkKlB003654 for ; Thu, 3 Nov 2011 13:46:20 -0400 Message-ID: <4EB2D36B.5030805@redhat.com> Date: Thu, 03 Nov 2011 12:46:19 -0500 From: Aldy Hernandez User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: gcc-patches Subject: [patch] 2/n: ChangeLog entries for libitm runtime Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org The runtime is too big to post as one patch, hence the split. + * Initial commit. Index: libitm/ChangeLog =================================================================== --- libitm/ChangeLog (.../trunk) (revision 0) +++ libitm/ChangeLog (.../branches/transactional-memory) (revision 180773) @@ -0,0 +1,851 @@ +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 +