libitm: Fix race condition in dispatch choice at transaction begin.

[gcc.git] / libitm / ChangeLog

diff --git a/libitm/ChangeLog b/libitm/ChangeLog
index 6e24888b710a7ac88d7dff19ebb24fb1a58d08ef..e0d94a1d1130a7079f183fad90093eac8051f6d1 100644 (file)
--- a/libitm/ChangeLog
+++ b/libitm/ChangeLog
@@ -1,10 +1,65 @@
-2012-02-15  Uros Bizjak  <ubizjak@gmail.com>
+2012-02-20  Torvald Riegel  <triegel@redhat.com>
+
+       * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
+       acquisition to ...
+       * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
+       (default_dispatch): Make atomic.
+       (GTM::gtm_thread::set_default_dispatch): Access atomically.
+       (GTM::gtm_thread::decide_retry_strategy): Access atomically and
+       use decide_begin_dispatch() if default_dispatch might have changed.
+       (GTM::gtm_thread::number_of_threads_changed): Initialize
+       default_dispatch here.
+
+2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
+           Patrick Marlier  <patrick.marlier@gmail.com>
+
+       PR libitm/52220
+       * alloc_cpp.cc: No dummy definitions for darwin.
+       * eh_cpp.cc: Likewise.
+
+2012-02-14  Richard Henderson  <rth@redhat.com>
+
+       * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
+
+2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
+
+2012-02-14  Torvald Riegel  <triegel@redhat.com>
+
+       * libitm_i.h (GTM::gtm_rwlog_entry): New.
+       (GTM::gtm_thread): Add read and write logs.
+       (GTM::dispatch_ml_wt): Declare.
+       * retry.cc (parse_default_method): Support ml_wt.
+       * method-ml.cc: New file.
+       * Makefile.am: Add method-ml.cc.
+       * Makefile.in: Regenerate.
+
+2012-02-14  Torvald Riegel  <triegel@redhat.com>
+
+       * dispatch.h (GTM::abi_dispatch::supports): New.
+       (GTM::method_group::reinit): New.
+       * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
+       (GTM::gtm_thread::number_of_threads_changed): Check that the method
+       supports the current situation.
+
+2012-02-14  Torvald Riegel  <triegel@redhat.com>
+
+       * util.cc (GTM::xcalloc): New.
+       * common.h (GTM::xcalloc): Declare.
+
+2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * config/sparc/target.h (cpu_relax): Read from CC register.
+       * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
+
+2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 
        * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 
 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 
-       * configure.tgt (target_cpu): Handle sparc and sparc64 & sparcv9.
+       * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
        * config/sparc/cacheline.h: New file.
        * config/sparc/target.h: Likewise.
        * config/sparc/sjlj.S: Likewise.
@@ -19,8 +74,7 @@
 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
        PR libitm/51822
-       * testsuite/libitm.c++/c++.exp (lang_link_flags): Add
-       -shared-libgcc.
+       * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
        Correct libgomp references.
 
 2012-01-24  Torvald Riegel  <triegel@redhat.com>