changeset 11057:e0fe0c9a88da

Merge
author nloodin
date Fri, 28 Jun 2013 14:05:27 +0200
parents be0600ec1102 (diff) 221df7e37535 (current diff)
children bb4f2b27e824
files
diffstat 28 files changed, 1110 insertions(+), 390 deletions(-) [+]
line wrap: on
line diff
--- a/make/linux/makefiles/gcc.make	Thu Jun 27 10:03:21 2013 -0700
+++ b/make/linux/makefiles/gcc.make	Fri Jun 28 14:05:27 2013 +0200
@@ -350,9 +350,9 @@
   ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
       ifeq ($(USE_CLANG), true)
         # Clang doesn't understand -gstabs
-        OPT_CFLAGS += -g
+        DEBUG_CFLAGS += -g
       else
-        OPT_CFLAGS += -gstabs
+        DEBUG_CFLAGS += -gstabs
       endif
   endif
   
@@ -365,9 +365,9 @@
     ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),)
       ifeq ($(USE_CLANG), true)
         # Clang doesn't understand -gstabs
-        OPT_CFLAGS += -g
+        FASTDEBUG_CFLAGS += -g
       else
-        OPT_CFLAGS += -gstabs
+        FASTDEBUG_CFLAGS += -gstabs
       endif
     endif
   
--- a/make/linux/makefiles/vm.make	Thu Jun 27 10:03:21 2013 -0700
+++ b/make/linux/makefiles/vm.make	Fri Jun 28 14:05:27 2013 +0200
@@ -107,6 +107,10 @@
 # File specific flags
 CXXFLAGS += $(CXXFLAGS/BYFILE)
 
+# Large File Support
+ifneq ($(LP64), 1)
+CXXFLAGS/ostream.o += -D_FILE_OFFSET_BITS=64
+endif # ifneq ($(LP64), 1)
 
 # CFLAGS_WARN holds compiler options to suppress/enable warnings.
 CFLAGS += $(CFLAGS_WARN/BYFILE)
--- a/make/solaris/makefiles/vm.make	Thu Jun 27 10:03:21 2013 -0700
+++ b/make/solaris/makefiles/vm.make	Fri Jun 28 14:05:27 2013 +0200
@@ -95,6 +95,10 @@
 # File specific flags
 CXXFLAGS += $(CXXFLAGS/BYFILE)
 
+# Large File Support
+ifneq ($(LP64), 1)
+CXXFLAGS/ostream.o += -D_FILE_OFFSET_BITS=64
+endif # ifneq ($(LP64), 1)
 
 # CFLAGS_WARN holds compiler options to suppress/enable warnings.
 CFLAGS += $(CFLAGS_WARN)
--- a/src/cpu/sparc/vm/macroAssembler_sparc.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/cpu/sparc/vm/macroAssembler_sparc.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -1161,12 +1161,6 @@
   while (offset() % modulus != 0) nop();
 }
 
-
-void MacroAssembler::safepoint() {
-  relocate(breakpoint_Relocation::spec(breakpoint_Relocation::safepoint));
-}
-
-
 void RegistersForDebugging::print(outputStream* s) {
   FlagSetting fs(Debugging, true);
   int j;
--- a/src/cpu/sparc/vm/relocInfo_sparc.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/cpu/sparc/vm/relocInfo_sparc.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -193,36 +193,6 @@
   return *(address*)addr();
 }
 
-
-int Relocation::pd_breakpoint_size() {
-  // minimum breakpoint size, in short words
-  return NativeIllegalInstruction::instruction_size / sizeof(short);
-}
-
-void Relocation::pd_swap_in_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_in_breakpoint");
-  // %%% probably do not need a general instrlen; just use the trap size
-  if (instrs != NULL) {
-    assert(instrlen * sizeof(short) == NativeIllegalInstruction::instruction_size, "enough instrlen in reloc. data");
-    for (int i = 0; i < instrlen; i++) {
-      instrs[i] = ((short*)x)[i];
-    }
-  }
-  NativeIllegalInstruction::insert(x);
-}
-
-
-void Relocation::pd_swap_out_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_out_breakpoint");
-  assert(instrlen * sizeof(short) == sizeof(int), "enough buf");
-  union { int l; short s[1]; } u;
-  for (int i = 0; i < instrlen; i++) {
-    u.s[i] = instrs[i];
-  }
-  NativeInstruction* ni = nativeInstruction_at(x);
-  ni->set_long_at(0, u.l);
-}
-
 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
 }
 
--- a/src/cpu/x86/vm/relocInfo_x86.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/cpu/x86/vm/relocInfo_x86.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -177,30 +177,6 @@
   return *pd_address_in_code();
 }
 
-int Relocation::pd_breakpoint_size() {
-  // minimum breakpoint size, in short words
-  return NativeIllegalInstruction::instruction_size / sizeof(short);
-}
-
-void Relocation::pd_swap_in_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_in_breakpoint");
-  if (instrs != NULL) {
-    assert(instrlen * sizeof(short) == NativeIllegalInstruction::instruction_size, "enough instrlen in reloc. data");
-    for (int i = 0; i < instrlen; i++) {
-      instrs[i] = ((short*)x)[i];
-    }
-  }
-  NativeIllegalInstruction::insert(x);
-}
-
-
-void Relocation::pd_swap_out_breakpoint(address x, short* instrs, int instrlen) {
-  Untested("pd_swap_out_breakpoint");
-  assert(NativeIllegalInstruction::instruction_size == sizeof(short), "right address unit for update");
-  NativeInstruction* ni = nativeInstruction_at(x);
-  *(short*)ni->addr_at(0) = instrs[0];
-}
-
 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
 #ifdef _LP64
   if (!Assembler::is_polling_page_far()) {
--- a/src/cpu/zero/vm/relocInfo_zero.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/cpu/zero/vm/relocInfo_zero.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -52,22 +52,6 @@
   return (address *) addr();
 }
 
-int Relocation::pd_breakpoint_size() {
-  ShouldNotCallThis();
-}
-
-void Relocation::pd_swap_in_breakpoint(address x,
-                                       short*  instrs,
-                                       int     instrlen) {
-  ShouldNotCallThis();
-}
-
-void Relocation::pd_swap_out_breakpoint(address x,
-                                        short*  instrs,
-                                        int     instrlen) {
-  ShouldNotCallThis();
-}
-
 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src,
                                                 CodeBuffer*       dst) {
   ShouldNotCallThis();
--- a/src/os/solaris/vm/os_solaris.inline.hpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/os/solaris/vm/os_solaris.inline.hpp	Fri Jun 28 14:05:27 2013 +0200
@@ -89,7 +89,7 @@
 
 inline struct dirent* os::readdir(DIR* dirp, dirent* dbuf) {
   assert(dirp != NULL, "just checking");
-#if defined(_LP64) || defined(_GNU_SOURCE)
+#if defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
   dirent* p;
   int status;
 
@@ -98,9 +98,9 @@
     return NULL;
   } else
     return p;
-#else  // defined(_LP64) || defined(_GNU_SOURCE)
+#else  // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
   return ::readdir_r(dirp, dbuf);
-#endif // defined(_LP64) || defined(_GNU_SOURCE)
+#endif // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
 }
 
 inline int os::closedir(DIR *dirp) {
--- a/src/share/vm/code/nmethod.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/code/nmethod.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -1081,11 +1081,6 @@
       metadata_Relocation* reloc = iter.metadata_reloc();
       reloc->fix_metadata_relocation();
     }
-
-    // There must not be any interfering patches or breakpoints.
-    assert(!(iter.type() == relocInfo::breakpoint_type
-             && iter.breakpoint_reloc()->active()),
-           "no active breakpoint");
   }
 }
 
--- a/src/share/vm/code/relocInfo.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/code/relocInfo.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -338,31 +338,6 @@
   _limit = limit;
 }
 
-
-void PatchingRelocIterator:: prepass() {
-  // turn breakpoints off during patching
-  _init_state = (*this);        // save cursor
-  while (next()) {
-    if (type() == relocInfo::breakpoint_type) {
-      breakpoint_reloc()->set_active(false);
-    }
-  }
-  (RelocIterator&)(*this) = _init_state;        // reset cursor for client
-}
-
-
-void PatchingRelocIterator:: postpass() {
-  // turn breakpoints back on after patching
-  (RelocIterator&)(*this) = _init_state;        // reset cursor again
-  while (next()) {
-    if (type() == relocInfo::breakpoint_type) {
-      breakpoint_Relocation* bpt = breakpoint_reloc();
-      bpt->set_active(bpt->enabled());
-    }
-  }
-}
-
-
 // All the strange bit-encodings are in here.
 // The idea is to encode relocation data which are small integers
 // very efficiently (a single extra halfword).  Larger chunks of
@@ -704,51 +679,6 @@
   _target  = address_from_scaled_offset(offset, base);
 }
 
-
-void breakpoint_Relocation::pack_data_to(CodeSection* dest) {
-  short* p = (short*) dest->locs_end();
-  address point = dest->locs_point();
-
-  *p++ = _bits;
-
-  assert(_target != NULL, "sanity");
-
-  if (internal())  normalize_address(_target, dest);
-
-  jint target_bits =
-    (jint)( internal() ? scaled_offset           (_target, point)
-                       : runtime_address_to_index(_target) );
-  if (settable()) {
-    // save space for set_target later
-    p = add_jint(p, target_bits);
-  } else {
-    p = add_var_int(p, target_bits);
-  }
-
-  for (int i = 0; i < instrlen(); i++) {
-    // put placeholder words until bytes can be saved
-    p = add_short(p, (short)0x7777);
-  }
-
-  dest->set_locs_end((relocInfo*) p);
-}
-
-
-void breakpoint_Relocation::unpack_data() {
-  _bits = live_bits();
-
-  int targetlen = datalen() - 1 - instrlen();
-  jint target_bits = 0;
-  if (targetlen == 0)       target_bits = 0;
-  else if (targetlen == 1)  target_bits = *(data()+1);
-  else if (targetlen == 2)  target_bits = relocInfo::jint_from_data(data()+1);
-  else                      { ShouldNotReachHere(); }
-
-  _target = internal() ? address_from_scaled_offset(target_bits, addr())
-                       : index_to_runtime_address  (target_bits);
-}
-
-
 //// miscellaneous methods
 oop* oop_Relocation::oop_addr() {
   int n = _oop_index;
@@ -933,81 +863,6 @@
   return target;
 }
 
-
-breakpoint_Relocation::breakpoint_Relocation(int kind, address target, bool internal) {
-  bool active    = false;
-  bool enabled   = (kind == initialization);
-  bool removable = (kind != safepoint);
-  bool settable  = (target == NULL);
-
-  int bits = kind;
-  if (enabled)    bits |= enabled_state;
-  if (internal)   bits |= internal_attr;
-  if (removable)  bits |= removable_attr;
-  if (settable)   bits |= settable_attr;
-
-  _bits = bits | high_bit;
-  _target = target;
-
-  assert(this->kind()      == kind,      "kind encoded");
-  assert(this->enabled()   == enabled,   "enabled encoded");
-  assert(this->active()    == active,    "active encoded");
-  assert(this->internal()  == internal,  "internal encoded");
-  assert(this->removable() == removable, "removable encoded");
-  assert(this->settable()  == settable,  "settable encoded");
-}
-
-
-address breakpoint_Relocation::target() const {
-  return _target;
-}
-
-
-void breakpoint_Relocation::set_target(address x) {
-  assert(settable(), "must be settable");
-  jint target_bits =
-    (jint)(internal() ? scaled_offset           (x, addr())
-                      : runtime_address_to_index(x));
-  short* p = &live_bits() + 1;
-  p = add_jint(p, target_bits);
-  assert(p == instrs(), "new target must fit");
-  _target = x;
-}
-
-
-void breakpoint_Relocation::set_enabled(bool b) {
-  if (enabled() == b) return;
-
-  if (b) {
-    set_bits(bits() | enabled_state);
-  } else {
-    set_active(false);          // remove the actual breakpoint insn, if any
-    set_bits(bits() & ~enabled_state);
-  }
-}
-
-
-void breakpoint_Relocation::set_active(bool b) {
-  assert(!b || enabled(), "cannot activate a disabled breakpoint");
-
-  if (active() == b) return;
-
-  // %%% should probably seize a lock here (might not be the right lock)
-  //MutexLockerEx ml_patch(Patching_lock, true);
-  //if (active() == b)  return;         // recheck state after locking
-
-  if (b) {
-    set_bits(bits() | active_state);
-    if (instrlen() == 0)
-      fatal("breakpoints in original code must be undoable");
-    pd_swap_in_breakpoint (addr(), instrs(), instrlen());
-  } else {
-    set_bits(bits() & ~active_state);
-    pd_swap_out_breakpoint(addr(), instrs(), instrlen());
-  }
-}
-
-
 //---------------------------------------------------------------------------------
 // Non-product code
 
--- a/src/share/vm/code/relocInfo.hpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/code/relocInfo.hpp	Fri Jun 28 14:05:27 2013 +0200
@@ -49,9 +49,6 @@
 //    RelocIterator
 //      A StackObj which iterates over the relocations associated with
 //      a range of code addresses.  Can be used to operate a copy of code.
-//    PatchingRelocIterator
-//      Specialized subtype of RelocIterator which removes breakpoints
-//      temporarily during iteration, then restores them.
 //    BoundRelocation
 //      An _internal_ type shared by packers and unpackers of relocations.
 //      It pastes together a RelocationHolder with some pointers into
@@ -204,15 +201,6 @@
 //   immediate field must not straddle a unit of memory coherence.
 //   //%note reloc_3
 //
-// relocInfo::breakpoint_type -- a conditional breakpoint in the code
-//   Value:  none
-//   Instruction types: any whatsoever
-//   Data:  [b [T]t  i...]
-//   The b is a bit-packed word representing the breakpoint's attributes.
-//   The t is a target address which the breakpoint calls (when it is enabled).
-//   The i... is a place to store one or two instruction words overwritten
-//   by a trap, so that the breakpoint may be subsequently removed.
-//
 // relocInfo::static_stub_type -- an extra stub for each static_call_type
 //   Value:  none
 //   Instruction types: a virtual call:  { set_oop; jump; }
@@ -271,8 +259,8 @@
     section_word_type       =  9, // internal, but a cross-section reference
     poll_type               = 10, // polling instruction for safepoints
     poll_return_type        = 11, // polling instruction for safepoints at return
-    breakpoint_type         = 12, // an initialization barrier or safepoint
-    metadata_type           = 13, // metadata that used to be oops
+    metadata_type           = 12, // metadata that used to be oops
+    yet_unused_type_1       = 13, // Still unused
     yet_unused_type_2       = 14, // Still unused
     data_prefix_tag         = 15, // tag for a prefix (carries data arguments)
     type_mask               = 15  // A mask which selects only the above values
@@ -312,7 +300,6 @@
     visitor(internal_word) \
     visitor(poll) \
     visitor(poll_return) \
-    visitor(breakpoint) \
     visitor(section_word) \
 
 
@@ -454,7 +441,7 @@
  public:
   enum {
     // Conservatively large estimate of maximum length (in shorts)
-    // of any relocation record (probably breakpoints are largest).
+    // of any relocation record.
     // Extended format is length prefix, data words, and tag/offset suffix.
     length_limit       = 1 + 1 + (3*BytesPerWord/BytesPerShort) + 1,
     have_format        = format_width > 0
@@ -571,8 +558,6 @@
 
   void initialize(nmethod* nm, address begin, address limit);
 
-  friend class PatchingRelocIterator;
-  // make an uninitialized one, for PatchingRelocIterator:
   RelocIterator() { initialize_misc(); }
 
  public:
@@ -779,9 +764,6 @@
   void       pd_verify_data_value    (address x, intptr_t off) { pd_set_data_value(x, off, true); }
   address    pd_call_destination     (address orig_addr = NULL);
   void       pd_set_call_destination (address x);
-  void       pd_swap_in_breakpoint   (address x, short* instrs, int instrlen);
-  void       pd_swap_out_breakpoint  (address x, short* instrs, int instrlen);
-  static int pd_breakpoint_size      ();
 
   // this extracts the address of an address in the code stream instead of the reloc data
   address* pd_address_in_code       ();
@@ -1302,87 +1284,6 @@
   void     fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest);
 };
 
-
-class breakpoint_Relocation : public Relocation {
-  relocInfo::relocType type() { return relocInfo::breakpoint_type; }
-
-  enum {
-    // attributes which affect the interpretation of the data:
-    removable_attr = 0x0010,   // buffer [i...] allows for undoing the trap
-    internal_attr  = 0x0020,   // the target is an internal addr (local stub)
-    settable_attr  = 0x0040,   // the target is settable
-
-    // states which can change over time:
-    enabled_state  = 0x0100,   // breakpoint must be active in running code
-    active_state   = 0x0200,   // breakpoint instruction actually in code
-
-    kind_mask      = 0x000F,   // mask for extracting kind
-    high_bit       = 0x4000    // extra bit which is always set
-  };
-
- public:
-  enum {
-    // kinds:
-    initialization = 1,
-    safepoint      = 2
-  };
-
-  // If target is NULL, 32 bits are reserved for a later set_target().
-  static RelocationHolder spec(int kind, address target = NULL, bool internal_target = false) {
-    RelocationHolder rh = newHolder();
-    new(rh) breakpoint_Relocation(kind, target, internal_target);
-    return rh;
-  }
-
- private:
-  // We require every bits value to NOT to fit into relocInfo::datalen_width,
-  // because we are going to actually store state in the reloc, and so
-  // cannot allow it to be compressed (and hence copied by the iterator).
-
-  short   _bits;                  // bit-encoded kind, attrs, & state
-  address _target;
-
-  breakpoint_Relocation(int kind, address target, bool internal_target);
-
-  friend class RelocIterator;
-  breakpoint_Relocation() { }
-
-  short    bits()       const { return _bits; }
-  short&   live_bits()  const { return data()[0]; }
-  short*   instrs()     const { return data() + datalen() - instrlen(); }
-  int      instrlen()   const { return removable() ? pd_breakpoint_size() : 0; }
-
-  void set_bits(short x) {
-    assert(live_bits() == _bits, "must be the only mutator of reloc info");
-    live_bits() = _bits = x;
-  }
-
- public:
-  address  target()     const;
-  void set_target(address x);
-
-  int  kind()           const { return  bits() & kind_mask; }
-  bool enabled()        const { return (bits() &  enabled_state) != 0; }
-  bool active()         const { return (bits() &   active_state) != 0; }
-  bool internal()       const { return (bits() &  internal_attr) != 0; }
-  bool removable()      const { return (bits() & removable_attr) != 0; }
-  bool settable()       const { return (bits() &  settable_attr) != 0; }
-
-  void set_enabled(bool b);     // to activate, you must also say set_active
-  void set_active(bool b);      // actually inserts bpt (must be enabled 1st)
-
-  // data is packed as 16 bits, followed by the target (1 or 2 words), followed
-  // if necessary by empty storage for saving away original instruction bytes.
-  void pack_data_to(CodeSection* dest);
-  void unpack_data();
-
-  // during certain operations, breakpoints must be out of the way:
-  void fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
-    assert(!active(), "cannot perform relocation on enabled breakpoints");
-  }
-};
-
-
 // We know all the xxx_Relocation classes, so now we can define these:
 #define EACH_CASE(name)                                         \
 inline name##_Relocation* RelocIterator::name##_reloc() {       \
@@ -1401,25 +1302,4 @@
   initialize(nm, begin, limit);
 }
 
-// if you are going to patch code, you should use this subclass of
-// RelocIterator
-class PatchingRelocIterator : public RelocIterator {
- private:
-  RelocIterator _init_state;
-
-  void prepass();               // deactivates all breakpoints
-  void postpass();              // reactivates all enabled breakpoints
-
-  // do not copy these puppies; it would have unpredictable side effects
-  // these are private and have no bodies defined because they should not be called
-  PatchingRelocIterator(const RelocIterator&);
-  void        operator=(const RelocIterator&);
-
- public:
-  PatchingRelocIterator(nmethod* nm, address begin = NULL, address limit = NULL)
-    : RelocIterator(nm, begin, limit)                { prepass();  }
-
-  ~PatchingRelocIterator()                           { postpass(); }
-};
-
 #endif // SHARE_VM_CODE_RELOCINFO_HPP
--- a/src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -70,6 +70,17 @@
   _virtual_space = vs;
 }
 
+void ASPSOldGen::initialize_work(const char* perf_data_name, int level) {
+
+  PSOldGen::initialize_work(perf_data_name, level);
+
+  // The old gen can grow to gen_size_limit().  _reserve reflects only
+  // the current maximum that can be committed.
+  assert(_reserved.byte_size() <= gen_size_limit(), "Consistency check");
+
+  initialize_performance_counters(perf_data_name, level);
+}
+
 void ASPSOldGen::reset_after_change() {
   _reserved = MemRegion((HeapWord*)virtual_space()->low_boundary(),
                         (HeapWord*)virtual_space()->high_boundary());
--- a/src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.hpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.hpp	Fri Jun 28 14:05:27 2013 +0200
@@ -50,6 +50,8 @@
   size_t max_gen_size()                 { return _reserved.byte_size(); }
   void set_gen_size_limit(size_t v)     { _gen_size_limit = v; }
 
+  virtual void initialize_work(const char* perf_data_name, int level);
+
   // After a shrink or expand reset the generation
   void reset_after_change();
 
--- a/src/share/vm/gc_implementation/parallelScavenge/psOldGen.hpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psOldGen.hpp	Fri Jun 28 14:05:27 2013 +0200
@@ -110,7 +110,7 @@
   virtual void initialize(ReservedSpace rs, size_t alignment,
                   const char* perf_data_name, int level);
   void initialize_virtual_space(ReservedSpace rs, size_t alignment);
-  void initialize_work(const char* perf_data_name, int level);
+  virtual void initialize_work(const char* perf_data_name, int level);
   virtual void initialize_performance_counters(const char* perf_data_name, int level);
 
   MemRegion reserved() const                { return _reserved; }
--- a/src/share/vm/interpreter/bytecodeInterpreter.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/interpreter/bytecodeInterpreter.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -481,9 +481,9 @@
     // So we have a second version of the assertion which handles the case where EnableInvokeDynamic was
     // switched off because of the wrong classes.
     if (EnableInvokeDynamic || FLAG_IS_CMDLINE(EnableInvokeDynamic)) {
-      assert(abs(istate->_stack_base - istate->_stack_limit) == (istate->_method->max_stack() + 1), "bad stack limit");
+      assert(labs(istate->_stack_base - istate->_stack_limit) == (istate->_method->max_stack() + 1), "bad stack limit");
     } else {
-      const int extra_stack_entries = Method::extra_stack_entries_for_indy;
+      const int extra_stack_entries = Method::extra_stack_entries_for_jsr292;
       assert(labs(istate->_stack_base - istate->_stack_limit) == (istate->_method->max_stack() + extra_stack_entries
                                                                                                + 1), "bad stack limit");
     }
@@ -2233,7 +2233,7 @@
         }
 
         Method* method = cache->f1_as_method();
-        VERIFY_OOP(method);
+        if (VerifyOops) method->verify();
 
         if (cache->has_appendix()) {
           ConstantPool* constants = METHOD->constants();
@@ -2265,8 +2265,7 @@
         }
 
         Method* method = cache->f1_as_method();
-
-        VERIFY_OOP(method);
+        if (VerifyOops) method->verify();
 
         if (cache->has_appendix()) {
           ConstantPool* constants = METHOD->constants();
--- a/src/share/vm/memory/metaspace.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/memory/metaspace.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -1556,19 +1556,7 @@
 
 // ChunkManager methods
 
-// Verification of _free_chunks_total and _free_chunks_count does not
-// work with the CMS collector because its use of additional locks
-// complicate the mutex deadlock detection but it can still be useful
-// for detecting errors in the chunk accounting with other collectors.
-
 size_t ChunkManager::free_chunks_total() {
-#ifdef ASSERT
-  if (!UseConcMarkSweepGC && !SpaceManager::expand_lock()->is_locked()) {
-    MutexLockerEx cl(SpaceManager::expand_lock(),
-                     Mutex::_no_safepoint_check_flag);
-    slow_locked_verify_free_chunks_total();
-  }
-#endif
   return _free_chunks_total;
 }
 
@@ -2608,14 +2596,14 @@
                         "->" SIZE_FORMAT
                         "("  SIZE_FORMAT ")",
                         prev_metadata_used,
-                        allocated_capacity_bytes(),
+                        allocated_used_bytes(),
                         reserved_in_bytes());
   } else {
     gclog_or_tty->print(" "  SIZE_FORMAT "K"
                         "->" SIZE_FORMAT "K"
                         "("  SIZE_FORMAT "K)",
                         prev_metadata_used / K,
-                        allocated_capacity_bytes() / K,
+                        allocated_used_bytes() / K,
                         reserved_in_bytes()/ K);
   }
 
--- a/src/share/vm/memory/universe.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/memory/universe.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -1127,6 +1127,7 @@
 
   // Initialize performance counters for metaspaces
   MetaspaceCounters::initialize_performance_counters();
+  MemoryService::add_metaspace_memory_pools();
 
   GC_locker::unlock();  // allow gc after bootstrapping
 
--- a/src/share/vm/opto/memnode.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/opto/memnode.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -2943,11 +2943,19 @@
       Node* my_mem = in(MemBarNode::Precedent);
       // The MembarAquire may keep an unused LoadNode alive through the Precedent edge
       if ((my_mem != NULL) && (opc == Op_MemBarAcquire) && (my_mem->outcnt() == 1)) {
-        assert(my_mem->unique_out() == this, "sanity");
-        phase->hash_delete(this);
-        del_req(Precedent);
-        phase->is_IterGVN()->_worklist.push(my_mem); // remove dead node later
-        my_mem = NULL;
+        // if the Precedent is a decodeN and its input (a Load) is used at more than one place,
+        // replace this Precedent (decodeN) with the Load instead.
+        if ((my_mem->Opcode() == Op_DecodeN) && (my_mem->in(1)->outcnt() > 1))  {
+          Node* load_node = my_mem->in(1);
+          set_req(MemBarNode::Precedent, load_node);
+          phase->is_IterGVN()->_worklist.push(my_mem);
+          my_mem = load_node;
+        } else {
+          assert(my_mem->unique_out() == this, "sanity");
+          del_req(Precedent);
+          phase->is_IterGVN()->_worklist.push(my_mem); // remove dead node later
+          my_mem = NULL;
+        }
       }
       if (my_mem != NULL && my_mem->is_Mem()) {
         const TypeOopPtr* t_oop = my_mem->in(MemNode::Address)->bottom_type()->isa_oopptr();
--- a/src/share/vm/services/management.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/services/management.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -894,12 +894,6 @@
     }
   }
 
-  // In our current implementation, we make sure that all non-heap
-  // pools have defined init and max sizes. Heap pools do not matter,
-  // as we never use total_init and total_max for them.
-  assert(heap || !has_undefined_init_size, "Undefined init size");
-  assert(heap || !has_undefined_max_size,  "Undefined max size");
-
   MemoryUsage usage((heap ? InitialHeapSize : total_init),
                     total_used,
                     total_committed,
--- a/src/share/vm/services/memoryManager.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/services/memoryManager.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -61,6 +61,10 @@
   return (MemoryManager*) new CodeCacheMemoryManager();
 }
 
+MemoryManager* MemoryManager::get_metaspace_memory_manager() {
+  return (MemoryManager*) new MetaspaceMemoryManager();
+}
+
 GCMemoryManager* MemoryManager::get_copy_memory_manager() {
   return (GCMemoryManager*) new CopyMemoryManager();
 }
--- a/src/share/vm/services/memoryManager.hpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/services/memoryManager.hpp	Fri Jun 28 14:05:27 2013 +0200
@@ -56,6 +56,7 @@
   enum Name {
     Abstract,
     CodeCache,
+    Metaspace,
     Copy,
     MarkSweepCompact,
     ParNew,
@@ -88,6 +89,7 @@
 
   // Static factory methods to get a memory manager of a specific type
   static MemoryManager*   get_code_cache_memory_manager();
+  static MemoryManager*   get_metaspace_memory_manager();
   static GCMemoryManager* get_copy_memory_manager();
   static GCMemoryManager* get_msc_memory_manager();
   static GCMemoryManager* get_parnew_memory_manager();
@@ -108,6 +110,14 @@
   const char* name()         { return "CodeCacheManager"; }
 };
 
+class MetaspaceMemoryManager : public MemoryManager {
+public:
+  MetaspaceMemoryManager() : MemoryManager() {}
+
+  MemoryManager::Name kind() { return MemoryManager::Metaspace; }
+  const char *name()         { return "Metaspace Manager"; }
+};
+
 class GCStatInfo : public ResourceObj {
 private:
   size_t _index;
--- a/src/share/vm/services/memoryPool.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/services/memoryPool.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -25,6 +25,7 @@
 #include "precompiled.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "classfile/vmSymbols.hpp"
+#include "memory/metaspace.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/javaCalls.hpp"
@@ -33,6 +34,7 @@
 #include "services/memoryManager.hpp"
 #include "services/memoryPool.hpp"
 #include "utilities/macros.hpp"
+#include "utilities/globalDefinitions.hpp"
 
 MemoryPool::MemoryPool(const char* name,
                        PoolType type,
@@ -256,3 +258,39 @@
 
   return MemoryUsage(initial_size(), used, committed, maxSize);
 }
+
+MetaspacePool::MetaspacePool() :
+  MemoryPool("Metaspace", NonHeap, capacity_in_bytes(), calculate_max_size(), true, false) { }
+
+MemoryUsage MetaspacePool::get_memory_usage() {
+  size_t committed = align_size_down_(capacity_in_bytes(), os::vm_page_size());
+  return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size());
+}
+
+size_t MetaspacePool::used_in_bytes() {
+  return MetaspaceAux::allocated_used_bytes(Metaspace::NonClassType);
+}
+
+size_t MetaspacePool::capacity_in_bytes() const {
+  return MetaspaceAux::allocated_capacity_bytes(Metaspace::NonClassType);
+}
+
+size_t MetaspacePool::calculate_max_size() const {
+  return FLAG_IS_CMDLINE(MaxMetaspaceSize) ? MaxMetaspaceSize : max_uintx;
+}
+
+CompressedKlassSpacePool::CompressedKlassSpacePool() :
+  MemoryPool("Compressed Class Space", NonHeap, capacity_in_bytes(), ClassMetaspaceSize, true, false) { }
+
+size_t CompressedKlassSpacePool::used_in_bytes() {
+  return MetaspaceAux::allocated_used_bytes(Metaspace::ClassType);
+}
+
+size_t CompressedKlassSpacePool::capacity_in_bytes() const {
+  return MetaspaceAux::allocated_capacity_bytes(Metaspace::ClassType);
+}
+
+MemoryUsage CompressedKlassSpacePool::get_memory_usage() {
+  size_t committed = align_size_down_(capacity_in_bytes(), os::vm_page_size());
+  return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size());
+}
--- a/src/share/vm/services/memoryPool.hpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/services/memoryPool.hpp	Fri Jun 28 14:05:27 2013 +0200
@@ -222,4 +222,21 @@
   size_t used_in_bytes()            { return _codeHeap->allocated_capacity(); }
 };
 
+class MetaspacePool : public MemoryPool {
+  size_t calculate_max_size() const;
+  size_t capacity_in_bytes() const;
+ public:
+  MetaspacePool();
+  MemoryUsage get_memory_usage();
+  size_t used_in_bytes();
+};
+
+class CompressedKlassSpacePool : public MemoryPool {
+  size_t capacity_in_bytes() const;
+ public:
+  CompressedKlassSpacePool();
+  MemoryUsage get_memory_usage();
+  size_t used_in_bytes();
+};
+
 #endif // SHARE_VM_SERVICES_MEMORYPOOL_HPP
--- a/src/share/vm/services/memoryService.cpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/services/memoryService.cpp	Fri Jun 28 14:05:27 2013 +0200
@@ -35,6 +35,7 @@
 #include "memory/memRegion.hpp"
 #include "memory/tenuredGeneration.hpp"
 #include "oops/oop.inline.hpp"
+#include "runtime/globals.hpp"
 #include "runtime/javaCalls.hpp"
 #include "services/classLoadingService.hpp"
 #include "services/lowMemoryDetector.hpp"
@@ -60,9 +61,11 @@
 GrowableArray<MemoryManager*>* MemoryService::_managers_list =
   new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryManager*>(init_managers_list_size, true);
 
-GCMemoryManager* MemoryService::_minor_gc_manager = NULL;
-GCMemoryManager* MemoryService::_major_gc_manager = NULL;
-MemoryPool*      MemoryService::_code_heap_pool   = NULL;
+GCMemoryManager* MemoryService::_minor_gc_manager      = NULL;
+GCMemoryManager* MemoryService::_major_gc_manager      = NULL;
+MemoryPool*      MemoryService::_code_heap_pool        = NULL;
+MemoryPool*      MemoryService::_metaspace_pool        = NULL;
+MemoryPool*      MemoryService::_compressed_class_pool = NULL;
 
 class GcThreadCountClosure: public ThreadClosure {
  private:
@@ -399,6 +402,22 @@
   _managers_list->append(mgr);
 }
 
+void MemoryService::add_metaspace_memory_pools() {
+  MemoryManager* mgr = MemoryManager::get_metaspace_memory_manager();
+
+  _metaspace_pool = new MetaspacePool();
+  mgr->add_pool(_metaspace_pool);
+  _pools_list->append(_metaspace_pool);
+
+  if (UseCompressedKlassPointers) {
+    _compressed_class_pool = new CompressedKlassSpacePool();
+    mgr->add_pool(_compressed_class_pool);
+    _pools_list->append(_compressed_class_pool);
+  }
+
+  _managers_list->append(mgr);
+}
+
 MemoryManager* MemoryService::get_memory_manager(instanceHandle mh) {
   for (int i = 0; i < _managers_list->length(); i++) {
     MemoryManager* mgr = _managers_list->at(i);
--- a/src/share/vm/services/memoryService.hpp	Thu Jun 27 10:03:21 2013 -0700
+++ b/src/share/vm/services/memoryService.hpp	Fri Jun 28 14:05:27 2013 +0200
@@ -73,6 +73,9 @@
   // Code heap memory pool
   static MemoryPool*                    _code_heap_pool;
 
+  static MemoryPool*                    _metaspace_pool;
+  static MemoryPool*                    _compressed_class_pool;
+
   static void add_generation_memory_pool(Generation* gen,
                                          MemoryManager* major_mgr,
                                          MemoryManager* minor_mgr);
@@ -121,6 +124,7 @@
 public:
   static void set_universe_heap(CollectedHeap* heap);
   static void add_code_heap_memory_pool(CodeHeap* heap);
+  static void add_metaspace_memory_pools();
 
   static MemoryPool*    get_memory_pool(instanceHandle pool);
   static MemoryManager* get_memory_manager(instanceHandle mgr);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/8005956/PolynomialRoot.java	Fri Jun 28 14:05:27 2013 +0200
@@ -0,0 +1,776 @@
+//package com.polytechnik.utils;
+/*
+ * (C) Vladislav Malyshkin 2010
+ * This file is under GPL version 3.
+ *
+ */
+
+/** Polynomial root.
+ *  @version $Id: PolynomialRoot.java,v 1.105 2012/08/18 00:00:05 mal Exp $
+ *  @author Vladislav Malyshkin mal@gromco.com
+ */
+
+/**
+* @test
+* @bug 8005956
+* @summary C2: assert(!def_outside->member(r)) failed: Use of external LRG overlaps the same LRG defined in this block
+*
+* @run main PolynomialRoot
+*/
+
+public class PolynomialRoot  {
+
+
+public static int findPolynomialRoots(final int n,
+              final double [] p,
+              final double [] re_root,
+              final double [] im_root)
+{
+    if(n==4)
+    {
+  return root4(p,re_root,im_root);
+    }
+    else if(n==3)
+    {
+  return root3(p,re_root,im_root);
+    }
+    else if(n==2)
+    {
+  return root2(p,re_root,im_root);
+    }
+    else if(n==1)
+    {
+  return root1(p,re_root,im_root);
+    }
+    else
+    {
+  throw new RuntimeException("n="+n+" is not supported yet");
+    }
+}
+
+
+
+static final double SQRT3=Math.sqrt(3.0),SQRT2=Math.sqrt(2.0);
+
+
+private static final boolean PRINT_DEBUG=false;
+
+public static int root4(final double [] p,final double [] re_root,final double [] im_root)
+{
+  if(PRINT_DEBUG) System.err.println("=====================root4:p="+java.util.Arrays.toString(p));
+  final double vs=p[4];
+  if(PRINT_DEBUG) System.err.println("p[4]="+p[4]);
+  if(!(Math.abs(vs)>EPS))
+  {
+      re_root[0]=re_root[1]=re_root[2]=re_root[3]=
+    im_root[0]=im_root[1]=im_root[2]=im_root[3]=Double.NaN;
+      return -1;
+  }
+
+/* zsolve_quartic.c - finds the complex roots of
+ *  x^4 + a x^3 + b x^2 + c x + d = 0
+ */
+  final double a=p[3]/vs,b=p[2]/vs,c=p[1]/vs,d=p[0]/vs;
+  if(PRINT_DEBUG) System.err.println("input a="+a+" b="+b+" c="+c+" d="+d);
+
+
+  final double r4 = 1.0 / 4.0;
+  final double q2 = 1.0 / 2.0, q4 = 1.0 / 4.0, q8 = 1.0 / 8.0;
+  final double q1 = 3.0 / 8.0, q3 = 3.0 / 16.0;
+  final int mt;
+
+  /* Deal easily with the cases where the quartic is degenerate. The
+   * ordering of solutions is done explicitly. */
+  if (0 == b && 0 == c)
+  {
+      if (0 == d)
+      {
+    re_root[0]=-a;
+    im_root[0]=im_root[1]=im_root[2]=im_root[3]=0;
+    re_root[1]=re_root[2]=re_root[3]=0;
+    return 4;
+      }
+      else if (0 == a)
+      {
+    if (d > 0)
+    {
+        final double sq4 = Math.sqrt(Math.sqrt(d));
+        re_root[0]=sq4*SQRT2/2;
+        im_root[0]=re_root[0];
+        re_root[1]=-re_root[0];
+        im_root[1]=re_root[0];
+        re_root[2]=-re_root[0];
+        im_root[2]=-re_root[0];
+        re_root[3]=re_root[0];
+        im_root[3]=-re_root[0];
+        if(PRINT_DEBUG) System.err.println("Path a=0 d>0");
+    }
+    else
+    {
+        final double sq4 = Math.sqrt(Math.sqrt(-d));
+        re_root[0]=sq4;
+        im_root[0]=0;
+        re_root[1]=0;
+        im_root[1]=sq4;
+        re_root[2]=0;
+        im_root[2]=-sq4;
+        re_root[3]=-sq4;
+        im_root[3]=0;
+        if(PRINT_DEBUG) System.err.println("Path a=0 d<0");
+    }
+    return 4;
+      }
+  }
+
+  if (0.0 == c && 0.0 == d)
+  {
+      root2(new double []{p[2],p[3],p[4]},re_root,im_root);
+      re_root[2]=im_root[2]=re_root[3]=im_root[3]=0;
+      return 4;
+  }
+
+  if(PRINT_DEBUG) System.err.println("G Path c="+c+" d="+d);
+  final double [] u=new double[3];
+
+  if(PRINT_DEBUG) System.err.println("Generic Path");
+  /* For non-degenerate solutions, proceed by constructing and
+   * solving the resolvent cubic */
+  final double aa = a * a;
+  final double pp = b - q1 * aa;
+  final double qq = c - q2 * a * (b - q4 * aa);
+  final double rr = d - q4 * a * (c - q4 * a * (b - q3 * aa));
+  final double rc = q2 * pp , rc3 = rc / 3;
+  final double sc = q4 * (q4 * pp * pp - rr);
+  final double tc = -(q8 * qq * q8 * qq);
+  if(PRINT_DEBUG) System.err.println("aa="+aa+" pp="+pp+" qq="+qq+" rr="+rr+" rc="+rc+" sc="+sc+" tc="+tc);
+  final boolean flag_realroots;
+
+  /* This code solves the resolvent cubic in a convenient fashion
+   * for this implementation of the quartic. If there are three real
+   * roots, then they are placed directly into u[].  If two are
+   * complex, then the real root is put into u[0] and the real
+   * and imaginary part of the complex roots are placed into
+   * u[1] and u[2], respectively. */
+  {
+      final double qcub = (rc * rc - 3 * sc);
+      final double rcub = (rc*(2 * rc * rc - 9 * sc) + 27 * tc);
+
+      final double Q = qcub / 9;
+      final double R = rcub / 54;
+
+      final double Q3 = Q * Q * Q;
+      final double R2 = R * R;
+
+      final double CR2 = 729 * rcub * rcub;
+      final double CQ3 = 2916 * qcub * qcub * qcub;
+
+      if(PRINT_DEBUG) System.err.println("CR2="+CR2+" CQ3="+CQ3+" R="+R+" Q="+Q);
+
+      if (0 == R && 0 == Q)
+      {
+    flag_realroots=true;
+    u[0] = -rc3;
+    u[1] = -rc3;
+    u[2] = -rc3;
+      }
+      else if (CR2 == CQ3)
+      {
+    flag_realroots=true;
+    final double sqrtQ = Math.sqrt (Q);
+    if (R > 0)
+    {
+        u[0] = -2 * sqrtQ - rc3;
+        u[1] = sqrtQ - rc3;
+        u[2] = sqrtQ - rc3;
+    }
+    else
+    {
+        u[0] = -sqrtQ - rc3;
+        u[1] = -sqrtQ - rc3;
+        u[2] = 2 * sqrtQ - rc3;
+    }
+      }
+      else if (R2 < Q3)
+      {
+    flag_realroots=true;
+    final double ratio = (R >= 0?1:-1) * Math.sqrt (R2 / Q3);
+    final double theta = Math.acos (ratio);
+    final double norm = -2 * Math.sqrt (Q);
+
+    u[0] = norm * Math.cos (theta / 3) - rc3;
+    u[1] = norm * Math.cos ((theta + 2.0 * Math.PI) / 3) - rc3;
+    u[2] = norm * Math.cos ((theta - 2.0 * Math.PI) / 3) - rc3;
+      }
+      else
+      {
+    flag_realroots=false;
+    final double A = -(R >= 0?1:-1)*Math.pow(Math.abs(R)+Math.sqrt(R2-Q3),1.0/3.0);
+    final double B = Q / A;
+
+    u[0] = A + B - rc3;
+    u[1] = -0.5 * (A + B) - rc3;
+    u[2] = -(SQRT3*0.5) * Math.abs (A - B);
+      }
+      if(PRINT_DEBUG) System.err.println("u[0]="+u[0]+" u[1]="+u[1]+" u[2]="+u[2]+" qq="+qq+" disc="+((CR2 - CQ3) / 2125764.0));
+  }
+  /* End of solution to resolvent cubic */
+
+  /* Combine the square roots of the roots of the cubic
+   * resolvent appropriately. Also, calculate 'mt' which
+   * designates the nature of the roots:
+   * mt=1 : 4 real roots
+   * mt=2 : 0 real roots
+   * mt=3 : 2 real roots
+   */
+
+
+  final double w1_re,w1_im,w2_re,w2_im,w3_re,w3_im,mod_w1w2,mod_w1w2_squared;
+  if (flag_realroots)
+  {
+      mod_w1w2=-1;
+      mt = 2;
+      int jmin=0;
+      double vmin=Math.abs(u[jmin]);
+      for(int j=1;j<3;j++)
+      {
+    final double vx=Math.abs(u[j]);
+    if(vx<vmin)
+    {
+        vmin=vx;
+        jmin=j;
+    }
+      }
+      final double u1=u[(jmin+1)%3],u2=u[(jmin+2)%3];
+      mod_w1w2_squared=Math.abs(u1*u2);
+      if(u1>=0)
+      {
+    w1_re=Math.sqrt(u1);
+    w1_im=0;
+      }
+      else
+      {
+    w1_re=0;
+    w1_im=Math.sqrt(-u1);
+      }
+      if(u2>=0)
+      {
+    w2_re=Math.sqrt(u2);
+    w2_im=0;
+      }
+      else
+      {
+    w2_re=0;
+    w2_im=Math.sqrt(-u2);
+      }
+      if(PRINT_DEBUG) System.err.println("u1="+u1+" u2="+u2+" jmin="+jmin);
+  }
+  else
+  {
+      mt = 3;
+      final double w_mod2_sq=u[1]*u[1]+u[2]*u[2],w_mod2=Math.sqrt(w_mod2_sq),w_mod=Math.sqrt(w_mod2);
+      if(w_mod2_sq<=0)
+      {
+    w1_re=w1_im=0;
+      }
+      else
+      {
+    // calculate square root of a complex number (u[1],u[2])
+    // the result is in the (w1_re,w1_im)
+    final double absu1=Math.abs(u[1]),absu2=Math.abs(u[2]),w;
+    if(absu1>=absu2)
+    {
+        final double t=absu2/absu1;
+        w=Math.sqrt(absu1*0.5 * (1.0 + Math.sqrt(1.0 + t * t)));
+        if(PRINT_DEBUG) System.err.println(" Path1 ");
+    }
+    else
+    {
+        final double t=absu1/absu2;
+        w=Math.sqrt(absu2*0.5 * (t + Math.sqrt(1.0 + t * t)));
+        if(PRINT_DEBUG) System.err.println(" Path1a ");
+    }
+    if(u[1]>=0)
+    {
+        w1_re=w;
+        w1_im=u[2]/(2*w);
+        if(PRINT_DEBUG) System.err.println(" Path2 ");
+    }
+    else
+    {
+        final double vi = (u[2] >= 0) ? w : -w;
+        w1_re=u[2]/(2*vi);
+        w1_im=vi;
+        if(PRINT_DEBUG) System.err.println(" Path2a ");
+    }
+      }
+      final double absu0=Math.abs(u[0]);
+      if(w_mod2>=absu0)
+      {
+    mod_w1w2=w_mod2;
+    mod_w1w2_squared=w_mod2_sq;
+    w2_re=w1_re;
+    w2_im=-w1_im;
+      }
+      else
+      {
+    mod_w1w2=-1;
+    mod_w1w2_squared=w_mod2*absu0;
+    if(u[0]>=0)
+    {
+        w2_re=Math.sqrt(absu0);
+        w2_im=0;
+    }
+    else
+    {
+        w2_re=0;
+        w2_im=Math.sqrt(absu0);
+    }
+      }
+      if(PRINT_DEBUG) System.err.println("u[0]="+u[0]+"u[1]="+u[1]+" u[2]="+u[2]+" absu0="+absu0+" w_mod="+w_mod+" w_mod2="+w_mod2);
+  }
+
+  /* Solve the quadratic in order to obtain the roots
+   * to the quartic */
+  if(mod_w1w2>0)
+  {
+      // a shorcut to reduce rounding error
+      w3_re=qq/(-8)/mod_w1w2;
+      w3_im=0;
+  }
+  else if(mod_w1w2_squared>0)
+  {
+      // regular path
+      final double mqq8n=qq/(-8)/mod_w1w2_squared;
+      w3_re=mqq8n*(w1_re*w2_re-w1_im*w2_im);
+      w3_im=-mqq8n*(w1_re*w2_im+w2_re*w1_im);
+  }
+  else
+  {
+      // typically occur when qq==0
+      w3_re=w3_im=0;
+  }
+
+  final double h = r4 * a;
+  if(PRINT_DEBUG) System.err.println("w1_re="+w1_re+" w1_im="+w1_im+" w2_re="+w2_re+" w2_im="+w2_im+" w3_re="+w3_re+" w3_im="+w3_im+" h="+h);
+
+  re_root[0]=w1_re+w2_re+w3_re-h;
+  im_root[0]=w1_im+w2_im+w3_im;
+  re_root[1]=-(w1_re+w2_re)+w3_re-h;
+  im_root[1]=-(w1_im+w2_im)+w3_im;
+  re_root[2]=w2_re-w1_re-w3_re-h;
+  im_root[2]=w2_im-w1_im-w3_im;
+  re_root[3]=w1_re-w2_re-w3_re-h;
+  im_root[3]=w1_im-w2_im-w3_im;
+
+  return 4;
+}
+
+
+
+    static void setRandomP(final double [] p,final int n,java.util.Random r)
+    {
+  if(r.nextDouble()<0.1)
+  {
+      // integer coefficiens
+      for(int j=0;j<p.length;j++)
+      {
+    if(j<=n)
+    {
+        p[j]=(r.nextInt(2)<=0?-1:1)*r.nextInt(10);
+    }
+    else
+    {
+        p[j]=0;
+    }
+      }
+  }
+  else
+  {
+      // real coefficiens
+      for(int j=0;j<p.length;j++)
+      {
+    if(j<=n)
+    {
+        p[j]=-1+2*r.nextDouble();
+    }
+    else
+    {
+        p[j]=0;
+    }
+      }
+  }
+  if(Math.abs(p[n])<1e-2)
+  {
+      p[n]=(r.nextInt(2)<=0?-1:1)*(0.1+r.nextDouble());
+  }
+    }
+
+
+    static void checkValues(final double [] p,
+          final int n,
+          final double rex,
+          final double imx,
+          final double eps,
+          final String txt)
+    {
+  double res=0,ims=0,sabs=0;
+  final double xabs=Math.abs(rex)+Math.abs(imx);
+  for(int k=n;k>=0;k--)
+  {
+      final double res1=(res*rex-ims*imx)+p[k];
+      final double ims1=(ims*rex+res*imx);
+      res=res1;
+      ims=ims1;
+      sabs+=xabs*sabs+p[k];
+  }
+  sabs=Math.abs(sabs);
+  if(false && sabs>1/eps?
+     (!(Math.abs(res/sabs)<=eps)||!(Math.abs(ims/sabs)<=eps))
+     :
+     (!(Math.abs(res)<=eps)||!(Math.abs(ims)<=eps)))
+  {
+      throw new RuntimeException(
+    getPolinomTXT(p)+"\n"+
+    "\t x.r="+rex+" x.i="+imx+"\n"+
+    "res/sabs="+(res/sabs)+" ims/sabs="+(ims/sabs)+
+    " sabs="+sabs+
+    "\nres="+res+" ims="+ims+" n="+n+" eps="+eps+" "+
+    " sabs>1/eps="+(sabs>1/eps)+
+    " f1="+(!(Math.abs(res/sabs)<=eps)||!(Math.abs(ims/sabs)<=eps))+
+    " f2="+(!(Math.abs(res)<=eps)||!(Math.abs(ims)<=eps))+
+    " "+txt);
+  }
+    }
+
+    static String getPolinomTXT(final double [] p)
+    {
+  final StringBuilder buf=new StringBuilder();
+  buf.append("order="+(p.length-1)+"\t");
+  for(int k=0;k<p.length;k++)
+  {
+      buf.append("p["+k+"]="+p[k]+";");
+  }
+  return buf.toString();
+    }
+
+    static String getRootsTXT(int nr,final double [] re,final double [] im)
+    {
+  final StringBuilder buf=new StringBuilder();
+  for(int k=0;k<nr;k++)
+  {
+      buf.append("x."+k+"("+re[k]+","+im[k]+")\n");
+  }
+  return buf.toString();
+    }
+
+    static void testRoots(final int n,
+        final int n_tests,
+        final java.util.Random rn,
+        final double eps)
+    {
+  final double [] p=new double [n+1];
+  final double [] rex=new double [n],imx=new double [n];
+  for(int i=0;i<n_tests;i++)
+  {
+    for(int dg=n;dg-->-1;)
+    {
+      for(int dr=3;dr-->0;)
+      {
+        setRandomP(p,n,rn);
+        for(int j=0;j<=dg;j++)
+        {
+      p[j]=0;
+        }
+        if(dr==0)
+        {
+      p[0]=-1+2.0*rn.nextDouble();
+        }
+        else if(dr==1)
+        {
+      p[0]=p[1]=0;
+        }
+
+        findPolynomialRoots(n,p,rex,imx);
+
+        for(int j=0;j<n;j++)
+        {
+      //System.err.println("j="+j);
+      checkValues(p,n,rex[j],imx[j],eps," t="+i);
+        }
+      }
+    }
+  }
+  System.err.println("testRoots(): n_tests="+n_tests+" OK, dim="+n);
+    }
+
+
+
+
+    static final double EPS=0;
+
+    public static int root1(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  if(!(Math.abs(p[1])>EPS))
+  {
+      re_root[0]=im_root[0]=Double.NaN;
+      return -1;
+  }
+  re_root[0]=-p[0]/p[1];
+  im_root[0]=0;
+  return 1;
+    }
+
+    public static int root2(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  if(!(Math.abs(p[2])>EPS))
+  {
+      re_root[0]=re_root[1]=im_root[0]=im_root[1]=Double.NaN;
+      return -1;
+  }
+  final double b2=0.5*(p[1]/p[2]),c=p[0]/p[2],d=b2*b2-c;
+  if(d>=0)
+  {
+      final double sq=Math.sqrt(d);
+      if(b2<0)
+      {
+    re_root[1]=-b2+sq;
+    re_root[0]=c/re_root[1];
+      }
+      else if(b2>0)
+      {
+    re_root[0]=-b2-sq;
+    re_root[1]=c/re_root[0];
+      }
+      else
+      {
+    re_root[0]=-b2-sq;
+    re_root[1]=-b2+sq;
+      }
+      im_root[0]=im_root[1]=0;
+  }
+  else
+  {
+      final double sq=Math.sqrt(-d);
+      re_root[0]=re_root[1]=-b2;
+      im_root[0]=sq;
+      im_root[1]=-sq;
+  }
+  return 2;
+    }
+
+    public static int root3(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  final double vs=p[3];
+  if(!(Math.abs(vs)>EPS))
+  {
+      re_root[0]=re_root[1]=re_root[2]=
+    im_root[0]=im_root[1]=im_root[2]=Double.NaN;
+      return -1;
+  }
+  final double a=p[2]/vs,b=p[1]/vs,c=p[0]/vs;
+  /* zsolve_cubic.c - finds the complex roots of x^3 + a x^2 + b x + c = 0
+   */
+  final double q = (a * a - 3 * b);
+  final double r = (a*(2 * a * a - 9 * b) + 27 * c);
+
+  final double Q = q / 9;
+  final double R = r / 54;
+
+  final double Q3 = Q * Q * Q;
+  final double R2 = R * R;
+
+  final double CR2 = 729 * r * r;
+  final double CQ3 = 2916 * q * q * q;
+  final double a3=a/3;
+
+  if (R == 0 && Q == 0)
+  {
+      re_root[0]=re_root[1]=re_root[2]=-a3;
+      im_root[0]=im_root[1]=im_root[2]=0;
+      return 3;
+  }
+  else if (CR2 == CQ3)
+  {
+      /* this test is actually R2 == Q3, written in a form suitable
+         for exact computation with integers */
+
+      /* Due to finite precision some double roots may be missed, and
+         will be considered to be a pair of complex roots z = x +/-
+         epsilon i close to the real axis. */
+
+      final double sqrtQ = Math.sqrt (Q);
+
+      if (R > 0)
+      {
+    re_root[0] = -2 * sqrtQ - a3;
+    re_root[1]=re_root[2]=sqrtQ - a3;
+    im_root[0]=im_root[1]=im_root[2]=0;
+      }
+      else
+      {
+    re_root[0]=re_root[1] = -sqrtQ - a3;
+    re_root[2]=2 * sqrtQ - a3;
+    im_root[0]=im_root[1]=im_root[2]=0;
+      }
+      return 3;
+  }
+  else if (R2 < Q3)
+  {
+      final double sgnR = (R >= 0 ? 1 : -1);
+      final double ratio = sgnR * Math.sqrt (R2 / Q3);
+      final double theta = Math.acos (ratio);
+      final double norm = -2 * Math.sqrt (Q);
+      final double r0 = norm * Math.cos (theta/3) - a3;
+      final double r1 = norm * Math.cos ((theta + 2.0 * Math.PI) / 3) - a3;
+      final double r2 = norm * Math.cos ((theta - 2.0 * Math.PI) / 3) - a3;
+
+      re_root[0]=r0;
+      re_root[1]=r1;
+      re_root[2]=r2;
+      im_root[0]=im_root[1]=im_root[2]=0;
+      return 3;
+  }
+  else
+  {
+      final double sgnR = (R >= 0 ? 1 : -1);
+      final double A = -sgnR * Math.pow (Math.abs (R) + Math.sqrt (R2 - Q3), 1.0 / 3.0);
+      final double B = Q / A;
+
+      re_root[0]=A + B - a3;
+      im_root[0]=0;
+      re_root[1]=-0.5 * (A + B) - a3;
+      im_root[1]=-(SQRT3*0.5) * Math.abs(A - B);
+      re_root[2]=re_root[1];
+      im_root[2]=-im_root[1];
+      return 3;
+  }
+
+    }
+
+
+    static void root3a(final double [] p,final double [] re_root,final double [] im_root)
+    {
+  if(Math.abs(p[3])>EPS)
+  {
+      final double v=p[3],
+    a=p[2]/v,b=p[1]/v,c=p[0]/v,
+    a3=a/3,a3a=a3*a,
+    pd3=(b-a3a)/3,
+    qd2=a3*(a3a/3-0.5*b)+0.5*c,
+    Q=pd3*pd3*pd3+qd2*qd2;
+      if(Q<0)
+      {
+    // three real roots
+    final double SQ=Math.sqrt(-Q);
+    final double th=Math.atan2(SQ,-qd2);
+    im_root[0]=im_root[1]=im_root[2]=0;
+    final double f=2*Math.sqrt(-pd3);
+    re_root[0]=f*Math.cos(th/3)-a3;
+    re_root[1]=f*Math.cos((th+2*Math.PI)/3)-a3;
+    re_root[2]=f*Math.cos((th+4*Math.PI)/3)-a3;
+    //System.err.println("3r");
+      }
+      else
+      {
+    // one real & two complex roots
+    final double SQ=Math.sqrt(Q);
+    final double r1=-qd2+SQ,r2=-qd2-SQ;
+    final double v1=Math.signum(r1)*Math.pow(Math.abs(r1),1.0/3),
+        v2=Math.signum(r2)*Math.pow(Math.abs(r2),1.0/3),
+        sv=v1+v2;
+    // real root
+    re_root[0]=sv-a3;
+    im_root[0]=0;
+    // complex roots
+    re_root[1]=re_root[2]=-0.5*sv-a3;
+    im_root[1]=(v1-v2)*(SQRT3*0.5);
+    im_root[2]=-im_root[1];
+    //System.err.println("1r2c");
+      }
+  }
+  else
+  {
+      re_root[0]=re_root[1]=re_root[2]=im_root[0]=im_root[1]=im_root[2]=Double.NaN;
+  }
+    }
+
+
+    static void printSpecialValues()
+    {
+  for(int st=0;st<6;st++)
+  {
+      //final double [] p=new double []{8,1,3,3.6,1};
+      final double [] re_root=new double [4],im_root=new double [4];
+      final double [] p;
+      final int n;
+      if(st<=3)
+      {
+    if(st<=0)
+    {
+        p=new double []{2,-4,6,-4,1};
+        //p=new double []{-6,6,-6,8,-2};
+    }
+    else if(st==1)
+    {
+        p=new double []{0,-4,8,3,-9};
+    }
+    else if(st==2)
+    {
+        p=new double []{-1,0,2,0,-1};
+    }
+    else
+    {
+        p=new double []{-5,2,8,-2,-3};
+    }
+    root4(p,re_root,im_root);
+    n=4;
+      }
+      else
+      {
+    p=new double []{0,2,0,1};
+    if(st==4)
+    {
+        p[1]=-p[1];
+    }
+    root3(p,re_root,im_root);
+    n=3;
+      }
+      System.err.println("======== n="+n);
+      for(int i=0;i<=n;i++)
+      {
+    if(i<n)
+    {
+        System.err.println(String.valueOf(i)+"\t"+
+               p[i]+"\t"+
+               re_root[i]+"\t"+
+               im_root[i]);
+    }
+    else
+    {
+        System.err.println(String.valueOf(i)+"\t"+p[i]+"\t");
+    }
+      }
+  }
+    }
+
+
+
+    public static void main(final String [] args)
+    {
+  final long t0=System.currentTimeMillis();
+  final double eps=1e-6;
+  //checkRoots();
+  final java.util.Random r=new java.util.Random(-1381923);
+  printSpecialValues();
+
+  final int n_tests=10000000;
+  //testRoots(2,n_tests,r,eps);
+  //testRoots(3,n_tests,r,eps);
+  testRoots(4,n_tests,r,eps);
+  final long t1=System.currentTimeMillis();
+  System.err.println("PolynomialRoot.main: "+n_tests+" tests OK done in "+(t1-t0)+" milliseconds. ver=$Id: PolynomialRoot.java,v 1.105 2012/08/18 00:00:05 mal Exp $");
+    }
+
+
+
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/metaspace/TestMetaspaceMemoryPool.java	Fri Jun 28 14:05:27 2013 +0200
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+import java.util.List;
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryManagerMXBean;
+import java.lang.management.MemoryPoolMXBean;
+import java.lang.management.MemoryUsage;
+
+import java.lang.management.RuntimeMXBean;
+import java.lang.management.ManagementFactory;
+
+/* @test TestMetaspaceMemoryPool
+ * @bug 8000754
+ * @summary Tests that a MemoryPoolMXBeans is created for metaspace and that a
+ *          MemoryManagerMXBean is created.
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops TestMetaspaceMemoryPool
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:MaxMetaspaceSize=60m TestMetaspaceMemoryPool
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers TestMetaspaceMemoryPool
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers -XX:ClassMetaspaceSize=60m TestMetaspaceMemoryPool
+ */
+public class TestMetaspaceMemoryPool {
+    public static void main(String[] args) {
+        verifyThatMetaspaceMemoryManagerExists();
+        verifyMemoryPool(getMemoryPool("Metaspace"), isFlagDefined("MaxMetaspaceSize"));
+
+        if (runsOn64bit()) {
+            if (usesCompressedOops()) {
+                MemoryPoolMXBean cksPool = getMemoryPool("Compressed Class Space");
+                verifyMemoryPool(cksPool, true);
+            }
+        }
+    }
+
+    private static boolean runsOn64bit() {
+        return !System.getProperty("sun.arch.data.model").equals("32");
+    }
+
+    private static boolean usesCompressedOops() {
+        return isFlagDefined("+UseCompressedOops");
+    }
+
+    private static boolean isFlagDefined(String name) {
+        RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
+        List<String> args = runtimeMxBean.getInputArguments();
+        for (String arg : args) {
+            if (arg.startsWith("-XX:" + name)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static void verifyThatMetaspaceMemoryManagerExists() {
+        List<MemoryManagerMXBean> managers = ManagementFactory.getMemoryManagerMXBeans();
+        for (MemoryManagerMXBean manager : managers) {
+            if (manager.getName().equals("Metaspace Manager")) {
+                return;
+            }
+        }
+
+        throw new RuntimeException("Expected to find a metaspace memory manager");
+    }
+
+    private static MemoryPoolMXBean getMemoryPool(String name) {
+        List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
+        for (MemoryPoolMXBean pool : pools) {
+            if (pool.getName().equals(name)) {
+                return pool;
+            }
+        }
+
+        throw new RuntimeException("Expected to find a memory pool with name " + name);
+    }
+
+    private static void verifyMemoryPool(MemoryPoolMXBean pool, boolean isMaxDefined) {
+        MemoryUsage mu = pool.getUsage();
+        assertDefined(mu.getInit(), "init");
+        assertDefined(mu.getUsed(), "used");
+        assertDefined(mu.getCommitted(), "committed");
+
+        if (isMaxDefined) {
+            assertDefined(mu.getMax(), "max");
+        } else {
+            assertUndefined(mu.getMax(), "max");
+        }
+    }
+
+    private static void assertDefined(long value, String name) {
+        assertTrue(value != -1, "Expected " + name + " to be defined");
+    }
+
+    private static void assertUndefined(long value, String name) {
+        assertEquals(value, -1, "Expected " + name + " to be undefined");
+    }
+
+    private static void assertEquals(long actual, long expected, String msg) {
+        assertTrue(actual == expected, msg);
+    }
+
+    private static void assertTrue(boolean condition, String msg) {
+        if (!condition) {
+            throw new RuntimeException(msg);
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/parallelScavenge/AdaptiveGCBoundary.java	Fri Jun 28 14:05:27 2013 +0200
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+/**
+ * @test AdaptiveGCBoundary
+ * @summary UseAdaptiveGCBoundary is broken
+ * @bug 8014546
+ * @key gc
+ * @key regression
+ * @library /testlibrary
+ * @run main/othervm AdaptiveGCBoundary
+ * @author jon.masamitsu@oracle.com
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class AdaptiveGCBoundary {
+  public static void main(String args[]) throws Exception {
+
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+      "-showversion",
+      "-XX:+UseParallelGC",
+      "-XX:+UseAdaptiveGCBoundary",
+      "-XX:+PrintCommandLineFlags",
+      SystemGCCaller.class.getName()
+      );
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+    output.shouldContain("+UseAdaptiveGCBoundary");
+
+    output.shouldNotContain("error");
+
+    output.shouldHaveExitValue(0);
+  }
+  static class SystemGCCaller {
+    public static void main(String [] args) {
+      System.gc();
+    }
+  }
+}