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| author | Richard Henderson <rth@redhat.com> | 2011-12-13 11:11:25 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2011-12-13 11:11:25 -0800 |
| commit | 36cfbee133027429a681ce585643d38228ab1213 (patch) | |
| tree | 7506d65c4a5b0a1a5cd4450e48e4943360f9ab19 /libitm/libitm_i.h | |
| parent | c36cc670b57fa6ebfcc387732fb7e34b7881eb14 (diff) | |
| download | gcc-36cfbee133027429a681ce585643d38228ab1213.zip gcc-36cfbee133027429a681ce585643d38228ab1213.tar.gz gcc-36cfbee133027429a681ce585643d38228ab1213.tar.bz2 | |
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
Diffstat (limited to 'libitm/libitm_i.h')
| -rw-r--r-- | libitm/libitm_i.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libitm/libitm_i.h b/libitm/libitm_i.h index ff6884e..d57872e 100644 --- a/libitm/libitm_i.h +++ b/libitm/libitm_i.h @@ -37,6 +37,7 @@ #include <string.h> #include <unwind.h> #include "local_type_traits" +#include "local_atomic" #include "common.h" @@ -206,7 +207,7 @@ struct gtm_thread // If this transaction is inactive, shared_state is ~0. Otherwise, this is // an active or serial transaction. - gtm_word shared_state; + atomic<gtm_word> shared_state; // The lock that provides access to serial mode. Non-serialized // transactions acquire read locks; a serialized transaction aquires |