diff options
author | torvald <torvald@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-22 16:13:06 +0000 |
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committer | torvald <torvald@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-22 16:13:06 +0000 |
commit | a44dd069f34153291b7c13b649fe3da21d9b5df8 (patch) | |
tree | 11c4d3a4315d5b73971745da630b492a4481574a /libitm/method-serial.cc | |
parent | c0b02c428dafb80a7b223b5ef3d2c29532306256 (diff) |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232735 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libitm/method-serial.cc')
-rw-r--r-- | libitm/method-serial.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libitm/method-serial.cc b/libitm/method-serial.cc index 1123e34d56ba..a151b669618f 100644 --- a/libitm/method-serial.cc +++ b/libitm/method-serial.cc @@ -226,13 +226,13 @@ struct htm_mg : public method_group // Enable the HTM fastpath if the HW is available. The fastpath is // initially disabled. #ifdef USE_HTM_FASTPATH - htm_fastpath = htm_init(); + gtm_thread::serial_lock.set_htm_fastpath(htm_init()); #endif } virtual void fini() { // Disable the HTM fastpath. - htm_fastpath = 0; + gtm_thread::serial_lock.set_htm_fastpath(0); } }; @@ -292,7 +292,7 @@ GTM::gtm_thread::serialirr_mode () #if defined(USE_HTM_FASTPATH) // HTM fastpath. If we are executing a HW transaction, don't go serial but // continue. See gtm_thread::begin_transaction. - if (likely(htm_fastpath && !gtm_thread::serial_lock.is_write_locked())) + if (likely(!gtm_thread::serial_lock.htm_fastpath_disabled())) return; #endif |