--- a/hotspot/src/cpu/x86/vm/globalDefinitions_x86.hpp Thu Mar 26 11:05:03 2015 +0100
+++ b/hotspot/src/cpu/x86/vm/globalDefinitions_x86.hpp Mon Apr 13 18:49:59 2015 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -58,4 +58,9 @@
#endif
#endif
+#if defined(COMPILER2) && !defined(JAVASE_EMBEDDED)
+// Include Restricted Transactional Memory lock eliding optimization
+#define INCLUDE_RTM_OPT 1
+#endif
+
#endif // CPU_X86_VM_GLOBALDEFINITIONS_X86_HPP
--- a/hotspot/src/cpu/x86/vm/rtmLocking.cpp Thu Mar 26 11:05:03 2015 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "memory/allocation.inline.hpp"
-#include "runtime/task.hpp"
-#include "runtime/rtmLocking.hpp"
-
-// One-shot PeriodicTask subclass for enabling RTM locking
-uintx RTMLockingCounters::_calculation_flag = 0;
-
-class RTMLockingCalculationTask : public PeriodicTask {
- public:
- RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){ }
-
- virtual void task() {
- RTMLockingCounters::_calculation_flag = 1;
- // Reclaim our storage and disenroll ourself
- delete this;
- }
-};
-
-void RTMLockingCounters::init() {
- if (UseRTMLocking && RTMLockingCalculationDelay > 0) {
- RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay);
- task->enroll();
- } else {
- _calculation_flag = 1;
- }
-}
-
-//------------------------------print_on-------------------------------
-void RTMLockingCounters::print_on(outputStream* st) {
- tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate);
- tty->print_cr("# rtm lock aborts : " UINTX_FORMAT, _abort_count);
- for (int i = 0; i < ABORT_STATUS_LIMIT; i++) {
- tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]);
- }
-}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/rtmLocking.cpp Mon Apr 13 18:49:59 2015 -0700
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+#if INCLUDE_RTM_OPT
+
+#include "memory/allocation.inline.hpp"
+#include "runtime/task.hpp"
+#include "runtime/rtmLocking.hpp"
+
+
+// One-shot PeriodicTask subclass for enabling RTM locking
+uintx RTMLockingCounters::_calculation_flag = 0;
+
+class RTMLockingCalculationTask : public PeriodicTask {
+ public:
+ RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){ }
+
+ virtual void task() {
+ RTMLockingCounters::_calculation_flag = 1;
+ // Reclaim our storage and disenroll ourself
+ delete this;
+ }
+};
+
+void RTMLockingCounters::init() {
+ if (UseRTMLocking && RTMLockingCalculationDelay > 0) {
+ RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay);
+ task->enroll();
+ } else {
+ _calculation_flag = 1;
+ }
+}
+
+//------------------------------print_on-------------------------------
+void RTMLockingCounters::print_on(outputStream* st) {
+ tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate);
+ tty->print_cr("# rtm lock aborts : " UINTX_FORMAT, _abort_count);
+ for (int i = 0; i < ABORT_STATUS_LIMIT; i++) {
+ tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]);
+ }
+}
+
+#endif
--- a/hotspot/src/share/vm/utilities/globalDefinitions.hpp Thu Mar 26 11:05:03 2015 +0100
+++ b/hotspot/src/share/vm/utilities/globalDefinitions.hpp Mon Apr 13 18:49:59 2015 -0700
@@ -407,14 +407,6 @@
// Machine dependent stuff
-#if defined(X86) && defined(COMPILER2) && !defined(JAVASE_EMBEDDED)
-// Include Restricted Transactional Memory lock eliding optimization
-#define INCLUDE_RTM_OPT 1
-#define RTM_OPT_ONLY(code) code
-#else
-#define INCLUDE_RTM_OPT 0
-#define RTM_OPT_ONLY(code)
-#endif
// States of Restricted Transactional Memory usage.
enum RTMState {
NoRTM = 0x2, // Don't use RTM
@@ -446,6 +438,15 @@
# include "globalDefinitions_aarch64.hpp"
#endif
+#ifndef INCLUDE_RTM_OPT
+#define INCLUDE_RTM_OPT 0
+#endif
+#if INCLUDE_RTM_OPT
+#define RTM_OPT_ONLY(code) code
+#else
+#define RTM_OPT_ONLY(code)
+#endif
+
// To assure the IRIW property on processors that are not multiple copy
// atomic, sync instructions must be issued between volatile reads to
// assure their ordering, instead of after volatile stores.