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changeset 3568:409ef3a68dc8

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re-lock objects whose lock was removed by escape analysis, enable stack walking compilation policy (-XX:CompilationPolicyChoice=1)
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 01 Sep 2011 15:28:24 +0200
parents dbf8d6a4201f
children da1b32a58d7e
files src/share/vm/graal/graalCodeInstaller.cpp src/share/vm/runtime/arguments.cpp src/share/vm/runtime/compilationPolicy.cpp src/share/vm/runtime/compilationPolicy.hpp src/share/vm/runtime/rframe.cpp
diffstat 5 files changed, 16 insertions(+), 15 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/graal/graalCodeInstaller.cpp	Thu Sep 01 09:52:58 2011 +0200
+++ b/src/share/vm/graal/graalCodeInstaller.cpp	Thu Sep 01 15:28:24 2011 +0200
@@ -526,7 +526,8 @@
         LocationValue* loc = (LocationValue*)value;
         int monitor_offset = loc->location().stack_offset();
         LocationValue* obj = new LocationValue(Location::new_stk_loc(Location::oop, monitor_offset + BasicObjectLock::obj_offset_in_bytes()));
-        monitors->append(new MonitorValue(obj, Location::new_stk_loc(Location::normal, monitor_offset  + BasicObjectLock::lock_offset_in_bytes())));
+        bool eliminated = value->is_object();
+        monitors->append(new MonitorValue(obj, Location::new_stk_loc(Location::normal, monitor_offset  + BasicObjectLock::lock_offset_in_bytes()), eliminated));
       }
       if (second != NULL) {
         i++;
--- a/src/share/vm/runtime/arguments.cpp	Thu Sep 01 09:52:58 2011 +0200
+++ b/src/share/vm/runtime/arguments.cpp	Thu Sep 01 15:28:24 2011 +0200
@@ -2018,7 +2018,7 @@
 
   if (UseGraal) {
     if (PrintVMOptions) {
-      tty->print("Running Graal VM... ");
+      tty->print_cr("Running Graal VM... ");
     }
     const int BUFFER_SIZE = 1024;
     char maxine_dir[BUFFER_SIZE];
@@ -2026,7 +2026,7 @@
     if (!os::getenv("MAXINE", maxine_dir, sizeof(maxine_dir))) {
 	  fatal("Must set MAXINE environment variable to a Maxine project directory.");
     }
-    if (PrintVMOptions) tty->print("MAXINE=%s", maxine_dir);
+    if (PrintVMOptions) tty->print_cr("MAXINE=%s", maxine_dir);
 	SysClassPath scp_compiler(Arguments::get_sysclasspath());
     sprintf(temp, "%s/com.oracle.max.cri/bin", maxine_dir);
     scp_compiler.add_prefix(temp);
--- a/src/share/vm/runtime/compilationPolicy.cpp	Thu Sep 01 09:52:58 2011 +0200
+++ b/src/share/vm/runtime/compilationPolicy.cpp	Thu Sep 01 15:28:24 2011 +0200
@@ -60,11 +60,11 @@
     break;
 
   case 1:
-#ifdef COMPILER2
+//#ifdef COMPILER2
     CompilationPolicy::set_policy(new StackWalkCompPolicy());
-#else
-    Unimplemented();
-#endif
+//#else
+//    Unimplemented();
+//#endif
     break;
   case 2:
 #ifdef TIERED
@@ -422,7 +422,7 @@
 }
 // StackWalkCompPolicy - walk up stack to find a suitable method to compile
 
-#ifdef COMPILER2
+//#ifdef COMPILER2
 const char* StackWalkCompPolicy::_msg = NULL;
 
 
@@ -649,4 +649,4 @@
 
 
 
-#endif // COMPILER2
+//#endif // COMPILER2
--- a/src/share/vm/runtime/compilationPolicy.hpp	Thu Sep 01 09:52:58 2011 +0200
+++ b/src/share/vm/runtime/compilationPolicy.hpp	Thu Sep 01 15:28:24 2011 +0200
@@ -114,7 +114,7 @@
 
 // StackWalkCompPolicy - existing C2 policy
 
-#ifdef COMPILER2
+//#ifdef COMPILER2
 class StackWalkCompPolicy : public NonTieredCompPolicy {
  public:
   virtual void method_invocation_event(methodHandle m, TRAPS);
@@ -134,6 +134,6 @@
   // negative filter: should send NOT be inlined?  returns NULL (--> inline) or rejection msg
 
 };
-#endif
+//#endif
 
 #endif // SHARE_VM_RUNTIME_COMPILATIONPOLICY_HPP
--- a/src/share/vm/runtime/rframe.cpp	Thu Sep 01 09:52:58 2011 +0200
+++ b/src/share/vm/runtime/rframe.cpp	Thu Sep 01 15:28:24 2011 +0200
@@ -152,11 +152,11 @@
 
 void RFrame::print(const char* kind) {
 #ifndef PRODUCT
-#ifdef COMPILER2
+//#ifdef COMPILER2
   int cnt = top_method()->interpreter_invocation_count();
-#else
-  int cnt = top_method()->invocation_count();
-#endif
+//#else
+//  int cnt = top_method()->invocation_count();
+//#endif
   tty->print("%3d %s ", _num, is_interpreted() ? "I" : "C");
   top_method()->print_short_name(tty);
   tty->print_cr(": inv=%5d(%d) cst=%4d", _invocations, cnt, cost());