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18 Commits

Author SHA1 Message Date
Jakub Jelinek 7adcbafe45 Update copyright years. 2022-01-03 10:42:10 +01:00
Jakub Jelinek 99dee82307 Update copyright years. 2021-01-04 10:26:59 +01:00
Jakub Jelinek 8d9254fc8a Update copyright years. 
From-SVN: r279813
 2020-01-01 12:51:42 +01:00
Jakub Jelinek a554497024 Update copyright years. 
From-SVN: r267494
 2019-01-01 13:31:55 +01:00
Jakub Jelinek 85ec4feb11 Update copyright years. 
From-SVN: r256169
 2018-01-03 11:03:58 +01:00
Jakub Jelinek cbe34bb5ed Update copyright years. 
From-SVN: r243994
 2017-01-01 13:07:43 +01:00
Torvald Riegel 6041f70ae3 libitm: Fix HTM fastpath. 
* 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.

From-SVN: r232735
 2016-01-22 16:13:06 +00:00
Torvald Riegel 629e47295b libitm: Fix privatization safety interaction with serial mode. 
From-SVN: r232322
 2016-01-13 12:40:34 +00:00
Jakub Jelinek 818ab71a41 Update copyright years. 
From-SVN: r232055
 2016-01-04 15:30:50 +01:00
Jakub Jelinek 5624e564d2 Update copyright years. 
From-SVN: r219188
 2015-01-05 13:33:28 +01:00
Richard Sandiford f93608e6d4 Update copyright years in libitm/ 
From-SVN: r206298
 2014-01-02 22:26:00 +00:00
Torvald Riegel 6fb471d812 libitm: Fix wrong initialization order introduced with r202101. 
* config/posix/rwlock.cc: Fix initialization order.

From-SVN: r202116
 2013-08-30 17:13:05 +00:00
Richard Sandiford 75f9527c9b Update copyright in libitm. 
From-SVN: r195697
 2013-02-03 17:46:11 +00:00
Torvald Riegel 610e390135 libitm: Fix privatization safety during upgrades to serial mode. 
libitm/
	* 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.

From-SVN: r182675
 2011-12-24 01:42:35 +00:00
Torvald Riegel 799142bf74 libitm: Fixed conversion to C++11 atomics. 
libitm/
	* 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.

From-SVN: r182674
 2011-12-24 01:42:20 +00:00
Richard Henderson 5d9d05d349 rwlock.cc (gtm_rwlock::write_lock_generic): Fix signed/unsigned comparison werror. 
* config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
        signed/unsigned comparison werror.

From-SVN: r182302
 2011-12-13 12:10:36 -08:00
Richard Henderson 36cfbee133 libitm: Conversion to c++11 atomics. 
* 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.

From-SVN: r182294
 2011-12-13 11:11:25 -08:00
Aldy Hernandez 0a35513e4e Merge from transactional-memory branch. 
From-SVN: r181154
 2011-11-08 11:13:41 +00:00