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| author | Torvald Riegel <triegel@redhat.com> | 2012-01-13 23:45:06 +0000 |
|---|---|---|
| committer | Torvald Riegel <torvald@gcc.gnu.org> | 2012-01-13 23:45:06 +0000 |
| commit | 07b6642b935e1cd499a2aae071db06d845e39a8b (patch) | |
| tree | 8ed0df69ae3d1543fa4811e7cb7e72a8d99333b5 /libitm/beginend.cc | |
| parent | 4cce1836bde85844781736f0f87b51ae9393da5f (diff) | |
| download | gcc-07b6642b935e1cd499a2aae071db06d845e39a8b.tar.gz | |
libitm: Filter out undo writes that overlap with the libitm stack.
PR libitm/51855
* config/generic/tls.h (GTM::mask_stack_top): New.
(GTM::mask_stack_bottom): Declare.
* config/generic/tls.c (GTM::mask_stack_bottom): New.
* local.cc (gtm_undolog::rollback): Filter out any updates that
overlap the libitm stack. Add current transaction as parameter.
* libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
* beginend.cc (GTM::gtm_thread::rollback): Adapt.
* testsuite/libitm.c/stackundo.c: New test.
From-SVN: r183172
Diffstat (limited to 'libitm/beginend.cc')
| -rw-r--r-- | libitm/beginend.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libitm/beginend.cc b/libitm/beginend.cc index fe14f32d110..08c2174ea67 100644 --- a/libitm/beginend.cc +++ b/libitm/beginend.cc @@ -327,7 +327,7 @@ GTM::gtm_thread::rollback (gtm_transaction_cp *cp, bool aborting) // data. Because of the latter, we have to roll it back before any // dispatch-specific rollback (which handles synchronization with other // transactions). - undolog.rollback (cp ? cp->undolog_size : 0); + undolog.rollback (this, cp ? cp->undolog_size : 0); // Perform dispatch-specific rollback. abi_disp()->rollback (cp); |