changeset 12998:6e45be41abe4

Merge
author lana
date Thu, 11 May 2017 20:23:29 +0000
parents 910e24afc502 bd7fe2f1094d
children f5ded0cf954c
files .hgtags src/share/vm/runtime/arguments.cpp src/share/vm/runtime/globals.hpp test/gc/arguments/TestExplicitGCInvokesConcurrentAndUnloadsClasses.java test/gc/startup_warnings/TestDefNewCMS.java test/gc/startup_warnings/TestParNewCMS.java test/gc/startup_warnings/TestParNewSerialOld.java test/gc/startup_warnings/TestUseAutoGCSelectPolicy.java test/runtime/NMT/AutoshutdownNMT.java
diffstat 38 files changed, 378 insertions(+), 644 deletions(-) [+]
line wrap: on
line diff
--- a/.hgtags	Thu May 11 16:26:48 2017 +0000
+++ b/.hgtags	Thu May 11 20:23:29 2017 +0000
@@ -556,9 +556,11 @@
 2a2ac7d9f52c8cb2b80077e515b5840b947e640c jdk-9+151
 31f1d26c60df7b2e516a4f84160d76ba017d4e09 jdk-9+152
 217ba81b9a4ce8698200370175aa2db86a39f66c jdk-9+153
+fc7e94cb748507366b839e859f865f724467446a jdk-10+0
 a9fdfd55835ef9dccb7f317b07249bd66653b874 jdk-9+154
 f3b3d77a1751897413aae43ac340a130b6fa2ae1 jdk-9+155
 43139c588ea48b6504e52b6c3dec530b17b1fdb4 jdk-9+156
+1ea217626ba0995dd03127f8322ba3687926a085 jdk-10+1
 b2d0a906afd73dcf27f572217eb1be0f196ec16c jdk-9+157
 4e78f30935229f13ce7c43089621cf7169f5abac jdk-9+158
 9211c2e89c1cd11ec2d5752b0f97131a7d7525c7 jdk-9+159
@@ -569,6 +571,11 @@
 0af429be8bbaeaaf0cb838e9af28c953dda6a9c8 jdk-9+164
 c92c6416ca03b1464d5ed99cf6201e52b5ba0a70 jdk-9+165
 560d7aa083a24b6a56443feb8de0f40435d33aa9 jdk-9+166
+48809c513ed5ebb4d4dbf2f454afcce2780db6db jdk-10+2
+6c3b6b3438c4a63e619f00bd5732d1260ffd5600 jdk-10+3
+8295ca08f5cb09c090eb048bbdd338d7e270c8bf jdk-10+4
+7b5ca2ff1f78873ca3ee99b6589d3cb4dde2e454 jdk-10+5
+762465099d938fd96cd1efda193bc1fa23d070d3 jdk-10+6
 1ca7ed1b17b5776930d641d1379834f3140a74e4 jdk-9+167
 fbb9c802649585d19f6d7e81b4a519d44806225a jdk-9+168
 16d692be099c5c38eb48cc9aca78b0c900910d5b jdk-9+169
--- a/.jcheck/conf	Thu May 11 16:26:48 2017 +0000
+++ b/.jcheck/conf	Thu May 11 20:23:29 2017 +0000
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/src/cpu/aarch64/vm/aarch64.ad	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/aarch64.ad	Thu May 11 20:23:29 2017 +0000
@@ -577,7 +577,7 @@
     R26
  /* R27, */                     // heapbase
  /* R28, */                     // thread
- /* R29, */                     // fp
+    R29,                        // fp
  /* R30, */                     // lr
  /* R31 */                      // sp
 );
@@ -646,7 +646,7 @@
     R26, R26_H,
  /* R27, R27_H, */              // heapbase
  /* R28, R28_H, */              // thread
- /* R29, R29_H, */              // fp
+    R29, R29_H,                 // fp
  /* R30, R30_H, */              // lr
  /* R31, R31_H */               // sp
 );
@@ -14021,10 +14021,12 @@
   ins_pipe(pipe_class_memory);
 %}
 
-instruct clearArray_imm_reg(immL cnt, iRegP_R10 base, iRegL_R11 tmp, Universe dummy, rFlagsReg cr)
-%{
+instruct clearArray_imm_reg(immL cnt, iRegP_R10 base, Universe dummy, rFlagsReg cr)
+%{
+  predicate((u_int64_t)n->in(2)->get_long()
+            < (u_int64_t)(BlockZeroingLowLimit >> LogBytesPerWord));
   match(Set dummy (ClearArray cnt base));
-  effect(USE_KILL base, TEMP tmp);
+  effect(USE_KILL base);
 
   ins_cost(4 * INSN_COST);
   format %{ "ClearArray $cnt, $base" %}
--- a/src/cpu/aarch64/vm/c1_globals_aarch64.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/c1_globals_aarch64.hpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -45,10 +45,8 @@
 // We compile very aggressively with the builtin simulator because
 // doing so greatly reduces run times and tests more code.
 define_pd_global(intx, CompileThreshold,             150 );
-define_pd_global(intx, BackEdgeThreshold,            500);
 #else
 define_pd_global(intx, CompileThreshold,             1500 );
-define_pd_global(intx, BackEdgeThreshold,            100000);
 #endif
 
 define_pd_global(intx, OnStackReplacePercentage,     933  );
@@ -76,6 +74,4 @@
 define_pd_global(bool, CSEArrayLength,               false);
 define_pd_global(bool, TwoOperandLIRForm,            false );
 
-define_pd_global(intx, SafepointPollOffset,          0  );
-
 #endif // CPU_AARCH64_VM_C1_GLOBALS_AARCH64_HPP
--- a/src/cpu/aarch64/vm/c2_globals_aarch64.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/c2_globals_aarch64.hpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -43,7 +43,6 @@
 define_pd_global(bool, ProfileInterpreter,           true);
 define_pd_global(bool, TieredCompilation,            trueInTiered);
 define_pd_global(intx, CompileThreshold,             10000);
-define_pd_global(intx, BackEdgeThreshold,            100000);
 
 define_pd_global(intx, OnStackReplacePercentage,     140);
 define_pd_global(intx, ConditionalMoveLimit,         3);
--- a/src/cpu/aarch64/vm/globalDefinitions_aarch64.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/globalDefinitions_aarch64.hpp	Thu May 11 20:23:29 2017 +0000
@@ -34,10 +34,6 @@
 
 #define SUPPORTS_NATIVE_CX8
 
-// The maximum B/BL offset range on AArch64 is 128MB.
-#undef CODE_CACHE_DEFAULT_LIMIT
-#define CODE_CACHE_DEFAULT_LIMIT (128*M)
-
 // According to the ARMv8 ARM, "Concurrent modification and execution
 // of instructions can lead to the resulting instruction performing
 // any behavior that can be achieved by executing any sequence of
--- a/src/cpu/aarch64/vm/macroAssembler_aarch64.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/macroAssembler_aarch64.cpp	Thu May 11 20:23:29 2017 +0000
@@ -698,6 +698,7 @@
 // trampolines won't be emitted.
 
 address MacroAssembler::trampoline_call(Address entry, CodeBuffer *cbuf) {
+  assert(JavaThread::current()->is_Compiler_thread(), "just checking");
   assert(entry.rspec().type() == relocInfo::runtime_call_type
          || entry.rspec().type() == relocInfo::opt_virtual_call_type
          || entry.rspec().type() == relocInfo::static_call_type
@@ -4944,34 +4945,67 @@
 }
 
 
-// base:     Address of a buffer to be zeroed, 8 bytes aligned.
-// cnt:      Count in HeapWords.
-// is_large: True when 'cnt' is known to be >= BlockZeroingLowLimit.
-void MacroAssembler::zero_words(Register base, Register cnt)
+// The size of the blocks erased by the zero_blocks stub.  We must
+// handle anything smaller than this ourselves in zero_words().
+const int MacroAssembler::zero_words_block_size = 8;
+
+// zero_words() is used by C2 ClearArray patterns.  It is as small as
+// possible, handling small word counts locally and delegating
+// anything larger to the zero_blocks stub.  It is expanded many times
+// in compiled code, so it is important to keep it short.
+
+// ptr:   Address of a buffer to be zeroed.
+// cnt:   Count in HeapWords.
+//
+// ptr, cnt, rscratch1, and rscratch2 are clobbered.
+void MacroAssembler::zero_words(Register ptr, Register cnt)
 {
-  if (UseBlockZeroing) {
-    block_zero(base, cnt);
-  } else {
-    fill_words(base, cnt, zr);
+  assert(is_power_of_2(zero_words_block_size), "adjust this");
+  assert(ptr == r10 && cnt == r11, "mismatch in register usage");
+
+  BLOCK_COMMENT("zero_words {");
+  cmp(cnt, zero_words_block_size);
+  Label around, done, done16;
+  br(LO, around);
+  {
+    RuntimeAddress zero_blocks =  RuntimeAddress(StubRoutines::aarch64::zero_blocks());
+    assert(zero_blocks.target() != NULL, "zero_blocks stub has not been generated");
+    if (StubRoutines::aarch64::complete()) {
+      trampoline_call(zero_blocks);
+    } else {
+      bl(zero_blocks);
+    }
   }
+  bind(around);
+  for (int i = zero_words_block_size >> 1; i > 1; i >>= 1) {
+    Label l;
+    tbz(cnt, exact_log2(i), l);
+    for (int j = 0; j < i; j += 2) {
+      stp(zr, zr, post(ptr, 16));
+    }
+    bind(l);
+  }
+  {
+    Label l;
+    tbz(cnt, 0, l);
+    str(zr, Address(ptr));
+    bind(l);
+  }
+  BLOCK_COMMENT("} zero_words");
 }
 
-// r10 = base:   Address of a buffer to be zeroed, 8 bytes aligned.
+// base:         Address of a buffer to be zeroed, 8 bytes aligned.
 // cnt:          Immediate count in HeapWords.
-// r11 = tmp:    For use as cnt if we need to call out
-#define ShortArraySize (18 * BytesPerLong)
+#define SmallArraySize (18 * BytesPerLong)
 void MacroAssembler::zero_words(Register base, u_int64_t cnt)
 {
-  Register tmp = r11;
+  BLOCK_COMMENT("zero_words {");
   int i = cnt & 1;  // store any odd word to start
   if (i) str(zr, Address(base));
 
-  if (cnt <= ShortArraySize / BytesPerLong) {
+  if (cnt <= SmallArraySize / BytesPerLong) {
     for (; i < (int)cnt; i += 2)
       stp(zr, zr, Address(base, i * wordSize));
-  } else if (UseBlockZeroing && cnt >= (u_int64_t)(BlockZeroingLowLimit >> LogBytesPerWord)) {
-    mov(tmp, cnt);
-    block_zero(base, tmp, true);
   } else {
     const int unroll = 4; // Number of stp(zr, zr) instructions we'll unroll
     int remainder = cnt % (2 * unroll);
@@ -4992,6 +5026,51 @@
     stp(zr, zr, Address(pre(loop_base, 2 * unroll * wordSize)));
     cbnz(cnt_reg, loop);
   }
+  BLOCK_COMMENT("} zero_words");
+}
+
+// Zero blocks of memory by using DC ZVA.
+//
+// Aligns the base address first sufficently for DC ZVA, then uses
+// DC ZVA repeatedly for every full block.  cnt is the size to be
+// zeroed in HeapWords.  Returns the count of words left to be zeroed
+// in cnt.
+//
+// NOTE: This is intended to be used in the zero_blocks() stub.  If
+// you want to use it elsewhere, note that cnt must be >= 2*zva_length.
+void MacroAssembler::zero_dcache_blocks(Register base, Register cnt) {
+  Register tmp = rscratch1;
+  Register tmp2 = rscratch2;
+  int zva_length = VM_Version::zva_length();
+  Label initial_table_end, loop_zva;
+  Label fini;
+
+  // Base must be 16 byte aligned. If not just return and let caller handle it
+  tst(base, 0x0f);
+  br(Assembler::NE, fini);
+  // Align base with ZVA length.
+  neg(tmp, base);
+  andr(tmp, tmp, zva_length - 1);
+
+  // tmp: the number of bytes to be filled to align the base with ZVA length.
+  add(base, base, tmp);
+  sub(cnt, cnt, tmp, Assembler::ASR, 3);
+  adr(tmp2, initial_table_end);
+  sub(tmp2, tmp2, tmp, Assembler::LSR, 2);
+  br(tmp2);
+
+  for (int i = -zva_length + 16; i < 0; i += 16)
+    stp(zr, zr, Address(base, i));
+  bind(initial_table_end);
+
+  sub(cnt, cnt, zva_length >> 3);
+  bind(loop_zva);
+  dc(Assembler::ZVA, base);
+  subs(cnt, cnt, zva_length >> 3);
+  add(base, base, zva_length);
+  br(Assembler::GE, loop_zva);
+  add(cnt, cnt, zva_length >> 3); // count not zeroed by DC ZVA
+  bind(fini);
 }
 
 // base:   Address of a buffer to be filled, 8 bytes aligned.
@@ -5052,69 +5131,6 @@
   bind(fini);
 }
 
-// Use DC ZVA to do fast zeroing.
-// base:   Address of a buffer to be zeroed, 8 bytes aligned.
-// cnt:    Count in HeapWords.
-// is_large: True when 'cnt' is known to be >= BlockZeroingLowLimit.
-void MacroAssembler::block_zero(Register base, Register cnt, bool is_large)
-{
-  Label small;
-  Label store_pair, loop_store_pair, done;
-  Label base_aligned;
-
-  assert_different_registers(base, cnt, rscratch1);
-  guarantee(base == r10 && cnt == r11, "fix register usage");
-
-  Register tmp = rscratch1;
-  Register tmp2 = rscratch2;
-  int zva_length = VM_Version::zva_length();
-
-  // Ensure ZVA length can be divided by 16. This is required by
-  // the subsequent operations.
-  assert (zva_length % 16 == 0, "Unexpected ZVA Length");
-
-  if (!is_large) cbz(cnt, done);
-  tbz(base, 3, base_aligned);
-  str(zr, Address(post(base, 8)));
-  sub(cnt, cnt, 1);
-  bind(base_aligned);
-
-  // Ensure count >= zva_length * 2 so that it still deserves a zva after
-  // alignment.
-  if (!is_large || !(BlockZeroingLowLimit >= zva_length * 2)) {
-    int low_limit = MAX2(zva_length * 2, (int)BlockZeroingLowLimit);
-    subs(tmp, cnt, low_limit >> 3);
-    br(Assembler::LT, small);
-  }
-
-  far_call(StubRoutines::aarch64::get_zero_longs());
-
-  bind(small);
-
-  const int unroll = 8; // Number of stp instructions we'll unroll
-  Label small_loop, small_table_end;
-
-  andr(tmp, cnt, (unroll-1) * 2);
-  sub(cnt, cnt, tmp);
-  add(base, base, tmp, Assembler::LSL, 3);
-  adr(tmp2, small_table_end);
-  sub(tmp2, tmp2, tmp, Assembler::LSL, 1);
-  br(tmp2);
-
-  bind(small_loop);
-  add(base, base, unroll * 16);
-  for (int i = -unroll; i < 0; i++)
-    stp(zr, zr, Address(base, i * 16));
-  bind(small_table_end);
-  subs(cnt, cnt, unroll * 2);
-  br(Assembler::GE, small_loop);
-
-  tbz(cnt, 0, done);
-  str(zr, Address(post(base, 8)));
-
-  bind(done);
-}
-
 // Intrinsic for sun/nio/cs/ISO_8859_1$Encoder.implEncodeISOArray and
 // java/lang/StringUTF16.compress.
 void MacroAssembler::encode_iso_array(Register src, Register dst,
--- a/src/cpu/aarch64/vm/macroAssembler_aarch64.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/macroAssembler_aarch64.hpp	Thu May 11 20:23:29 2017 +0000
@@ -1213,8 +1213,10 @@
 
   void fill_words(Register base, Register cnt, Register value);
   void zero_words(Register base, u_int64_t cnt);
-  void zero_words(Register base, Register cnt);
-  void block_zero(Register base, Register cnt, bool is_large = false);
+  void zero_words(Register ptr, Register cnt);
+  void zero_dcache_blocks(Register base, Register cnt);
+
+  static const int zero_words_block_size;
 
   void byte_array_inflate(Register src, Register dst, Register len,
                           FloatRegister vtmp1, FloatRegister vtmp2,
--- a/src/cpu/aarch64/vm/stubGenerator_aarch64.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/stubGenerator_aarch64.cpp	Thu May 11 20:23:29 2017 +0000
@@ -719,48 +719,74 @@
     }
   }
 
-  address generate_zero_longs(Register base, Register cnt) {
-    Register tmp = rscratch1;
-    Register tmp2 = rscratch2;
-    int zva_length = VM_Version::zva_length();
-    Label initial_table_end, loop_zva;
-    Label fini;
+  // The inner part of zero_words().  This is the bulk operation,
+  // zeroing words in blocks, possibly using DC ZVA to do it.  The
+  // caller is responsible for zeroing the last few words.
+  //
+  // Inputs:
+  // r10: the HeapWord-aligned base address of an array to zero.
+  // r11: the count in HeapWords, r11 > 0.
+  //
+  // Returns r10 and r11, adjusted for the caller to clear.
+  // r10: the base address of the tail of words left to clear.
+  // r11: the number of words in the tail.
+  //      r11 < MacroAssembler::zero_words_block_size.
+
+  address generate_zero_blocks() {
+    Label store_pair, loop_store_pair, done;
+    Label base_aligned;
+
+    Register base = r10, cnt = r11;
 
     __ align(CodeEntryAlignment);
-    StubCodeMark mark(this, "StubRoutines", "zero_longs");
+    StubCodeMark mark(this, "StubRoutines", "zero_blocks");
     address start = __ pc();
 
-    // Base must be 16 byte aligned. If not just return and let caller handle it
-    __ tst(base, 0x0f);
-    __ br(Assembler::NE, fini);
-    // Align base with ZVA length.
-    __ neg(tmp, base);
-    __ andr(tmp, tmp, zva_length - 1);
-
-    // tmp: the number of bytes to be filled to align the base with ZVA length.
-    __ add(base, base, tmp);
-    __ sub(cnt, cnt, tmp, Assembler::ASR, 3);
-    __ adr(tmp2, initial_table_end);
-    __ sub(tmp2, tmp2, tmp, Assembler::LSR, 2);
-    __ br(tmp2);
-
-    for (int i = -zva_length + 16; i < 0; i += 16)
-      __ stp(zr, zr, Address(base, i));
-    __ bind(initial_table_end);
-
-    __ sub(cnt, cnt, zva_length >> 3);
-    __ bind(loop_zva);
-    __ dc(Assembler::ZVA, base);
-    __ subs(cnt, cnt, zva_length >> 3);
-    __ add(base, base, zva_length);
-    __ br(Assembler::GE, loop_zva);
-    __ add(cnt, cnt, zva_length >> 3); // count not zeroed by DC ZVA
-    __ bind(fini);
+    if (UseBlockZeroing) {
+      int zva_length = VM_Version::zva_length();
+
+      // Ensure ZVA length can be divided by 16. This is required by
+      // the subsequent operations.
+      assert (zva_length % 16 == 0, "Unexpected ZVA Length");
+
+      __ tbz(base, 3, base_aligned);
+      __ str(zr, Address(__ post(base, 8)));
+      __ sub(cnt, cnt, 1);
+      __ bind(base_aligned);
+
+      // Ensure count >= zva_length * 2 so that it still deserves a zva after
+      // alignment.
+      Label small;
+      int low_limit = MAX2(zva_length * 2, (int)BlockZeroingLowLimit);
+      __ cmp(cnt, low_limit >> 3);
+      __ br(Assembler::LT, small);
+      __ zero_dcache_blocks(base, cnt);
+      __ bind(small);
+    }
+
+    {
+      // Number of stp instructions we'll unroll
+      const int unroll =
+        MacroAssembler::zero_words_block_size / 2;
+      // Clear the remaining blocks.
+      Label loop;
+      __ subs(cnt, cnt, unroll * 2);
+      __ br(Assembler::LT, done);
+      __ bind(loop);
+      for (int i = 0; i < unroll; i++)
+        __ stp(zr, zr, __ post(base, 16));
+      __ subs(cnt, cnt, unroll * 2);
+      __ br(Assembler::GE, loop);
+      __ bind(done);
+      __ add(cnt, cnt, unroll * 2);
+    }
+
     __ ret(lr);
 
     return start;
   }
 
+
   typedef enum {
     copy_forwards = 1,
     copy_backwards = -1
@@ -2346,20 +2372,16 @@
     __ subw(count, count, cnt_words, Assembler::LSL, 3 - shift);
     if (UseBlockZeroing) {
       Label non_block_zeroing, rest;
-      Register tmp = rscratch1;
-      // count >= BlockZeroingLowLimit && value == 0
-      __ subs(tmp, cnt_words, BlockZeroingLowLimit >> 3);
-      __ ccmp(value, 0 /* comparing value */, 0 /* NZCV */, Assembler::GE);
-      __ br(Assembler::NE, non_block_zeroing);
+      // If the fill value is zero we can use the fast zero_words().
+      __ cbnz(value, non_block_zeroing);
       __ mov(bz_base, to);
-      __ block_zero(bz_base, cnt_words, true);
-      __ mov(to, bz_base);
+      __ add(to, to, cnt_words, Assembler::LSL, LogBytesPerWord);
+      __ zero_words(bz_base, cnt_words);
       __ b(rest);
       __ bind(non_block_zeroing);
       __ fill_words(to, cnt_words, value);
       __ bind(rest);
-    }
-    else {
+    } else {
       __ fill_words(to, cnt_words, value);
     }
 
@@ -2420,7 +2442,7 @@
     generate_copy_longs(copy_f, r0, r1, rscratch2, copy_forwards);
     generate_copy_longs(copy_b, r0, r1, rscratch2, copy_backwards);
 
-    StubRoutines::aarch64::_zero_longs = generate_zero_longs(r10, r11);
+    StubRoutines::aarch64::_zero_blocks = generate_zero_blocks();
 
     //*** jbyte
     // Always need aligned and unaligned versions
@@ -4769,6 +4791,7 @@
                                                        &StubRoutines::_safefetchN_fault_pc,
                                                        &StubRoutines::_safefetchN_continuation_pc);
 #endif
+    StubRoutines::aarch64::set_completed();
   }
 
  public:
--- a/src/cpu/aarch64/vm/stubRoutines_aarch64.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/stubRoutines_aarch64.cpp	Thu May 11 20:23:29 2017 +0000
@@ -43,7 +43,8 @@
 address StubRoutines::aarch64::_float_sign_flip = NULL;
 address StubRoutines::aarch64::_double_sign_mask = NULL;
 address StubRoutines::aarch64::_double_sign_flip = NULL;
-address StubRoutines::aarch64::_zero_longs = NULL;
+address StubRoutines::aarch64::_zero_blocks = NULL;
+bool StubRoutines::aarch64::_completed = false;
 
 /**
  *  crc_table[] from jdk/src/share/native/java/util/zip/zlib-1.2.5/crc32.h
--- a/src/cpu/aarch64/vm/stubRoutines_aarch64.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/cpu/aarch64/vm/stubRoutines_aarch64.hpp	Thu May 11 20:23:29 2017 +0000
@@ -61,7 +61,8 @@
   static address _double_sign_mask;
   static address _double_sign_flip;
 
-  static address _zero_longs;
+  static address _zero_blocks;
+  static bool _completed;
 
  public:
 
@@ -115,12 +116,19 @@
     return _double_sign_flip;
   }
 
-  static address get_zero_longs()
-  {
-    return _zero_longs;
+  static address zero_blocks() {
+    return _zero_blocks;
   }
 
- private:
+  static bool complete() {
+    return _completed;
+  }
+
+  static void set_completed() {
+    _completed = true;
+  }
+
+private:
   static juint    _crc_table[];
 
 };
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/AltHashing.java	Thu May 11 20:23:29 2017 +0000
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2017, 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.
+ *
+ */
+
+package sun.jvm.hotspot.memory;
+
+public class AltHashing {
+    public static long murmur3_32(long seed, byte[] data) {
+      long h1 = seed;
+      int len = data.length;
+      int count = len;
+
+      int offset = 0;
+
+      // body
+      while (count >= 4) {
+          long k1 = (data[offset] & 0x0FF)
+              | (data[offset + 1] & 0x0FF) << 8
+              | (data[offset + 2] & 0x0FF) << 16
+              | data[offset + 3] << 24;
+
+          count -= 4;
+          offset += 4;
+
+          k1 *= 0xcc9e2d51;
+          k1 = Integer.rotateLeft((int)k1, 15);
+          k1 *= 0x1b873593;
+          k1 &= 0xFFFFFFFFL;
+
+          h1 ^= k1;
+          h1 = Integer.rotateLeft((int)h1, 13);
+          h1 = h1 * 5 + 0xe6546b64;
+          h1 &= 0xFFFFFFFFL;
+      }
+
+      //tail
+      if (count > 0) {
+          long k1 = 0;
+
+          switch (count) {
+              case 3:
+                  k1 ^= (data[offset + 2] & 0xff) << 16;
+                  // fall through
+              case 2:
+                  k1 ^= (data[offset + 1] & 0xff) << 8;
+                  // fall through
+              case 1:
+                  k1 ^= (data[offset] & 0xff);
+                  // fall through
+              default:
+                  k1 *= 0xcc9e2d51;
+                  k1 = Integer.rotateLeft((int)k1, 15);
+                  k1 *= 0x1b873593;
+                  k1 &= 0xFFFFFFFFL;
+                  h1 ^= k1;
+                  h1 &= 0xFFFFFFFFL;
+          }
+      }
+
+      // finalization
+      h1 ^= len;
+
+      // finalization mix force all bits of a hash block to avalanche
+      h1 ^= h1 >> 16;
+      h1 *= 0x85ebca6b;
+      h1 &= 0xFFFFFFFFL;
+      h1 ^= h1 >> 13;
+      h1 *= 0xc2b2ae35;
+      h1 &= 0xFFFFFFFFL;
+      h1 ^= h1 >> 16;
+
+      return h1 & 0xFFFFFFFFL;
+  }
+}
--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/SymbolTable.java	Thu May 11 16:26:48 2017 +0000
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/SymbolTable.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2017, 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
@@ -45,11 +45,14 @@
     Type type = db.lookupType("SymbolTable");
     theTableField  = type.getAddressField("_the_table");
     sharedTableField = type.getAddressField("_shared_table");
+    type = db.lookupType("RehashableSymbolHashtable");
+    seedField = type.getCIntegerField("_seed");
   }
 
   // Fields
   private static AddressField theTableField;
   private static AddressField sharedTableField;
+  private static CIntegerField seedField;
 
   private CompactHashTable sharedTable;
 
@@ -62,6 +65,17 @@
     return table;
   }
 
+  public static long getSeed() {
+      return (long) seedField.getValue();
+  }
+
+  public static boolean useAlternateHashcode() {
+      if (getSeed() != 0) {
+          return true;
+      }
+      return false;
+  }
+
   public SymbolTable(Address addr) {
     super(addr);
   }
@@ -86,11 +100,17 @@
   public Symbol probe(byte[] name) {
     long hashValue = hashSymbol(name);
 
+    // shared table does not use alternate hashing algorithm,
+    // it always uses the same original hash code.
     Symbol s = sharedTable.probe(name, hashValue);
     if (s != null) {
       return s;
     }
 
+    if (useAlternateHashcode()) {
+        hashValue = AltHashing.murmur3_32(getSeed(), name);
+    }
+
     for (HashtableEntry e = (HashtableEntry) bucket(hashToIndex(hashValue)); e != null; e = (HashtableEntry) e.next()) {
       if (e.hash() == hashValue) {
          Symbol sym = Symbol.create(e.literalValue());
--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/HeapSummary.java	Thu May 11 16:26:48 2017 +0000
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/HeapSummary.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2017, 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
@@ -150,13 +150,7 @@
    // Helper methods
 
    private void printGCAlgorithm(Map flagMap) {
-       // print about new generation
-       long l = getFlagValue("UseParNewGC", flagMap);
-       if (l == 1L) {
-          System.out.println("using parallel threads in the new generation.");
-       }
-
-       l = getFlagValue("UseTLAB", flagMap);
+       long l = getFlagValue("UseTLAB", flagMap);
        if (l == 1L) {
           System.out.println("using thread-local object allocation.");
        }
--- a/src/os/solaris/vm/os_solaris.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/os/solaris/vm/os_solaris.cpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -3050,15 +3050,12 @@
   thr_yield();
 }
 
-// Interface for setting lwp priorities.  If we are using T2 libthread,
-// which forces the use of BoundThreads or we manually set UseBoundThreads,
-// all of our threads will be assigned to real lwp's.  Using the thr_setprio
-// function is meaningless in this mode so we must adjust the real lwp's priority
+// Interface for setting lwp priorities.  We are using T2 libthread,
+// which forces the use of bound threads, so all of our threads will
+// be assigned to real lwp's.  Using the thr_setprio function is
+// meaningless in this mode so we must adjust the real lwp's priority.
 // The routines below implement the getting and setting of lwp priorities.
 //
-// Note: T2 is now the only supported libthread. UseBoundThreads flag is
-//       being deprecated and all threads are now BoundThreads
-//
 // Note: There are three priority scales used on Solaris.  Java priotities
 //       which range from 1 to 10, libthread "thr_setprio" scale which range
 //       from 0 to 127, and the current scheduling class of the process we
--- a/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2017, 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
@@ -488,9 +488,6 @@
   _gc_timer_cm(new (ResourceObj::C_HEAP, mtGC) ConcurrentGCTimer()),
   _cms_start_registered(false)
 {
-  if (ExplicitGCInvokesConcurrentAndUnloadsClasses) {
-    ExplicitGCInvokesConcurrent = true;
-  }
   // Now expand the span and allocate the collection support structures
   // (MUT, marking bit map etc.) to cover both generations subject to
   // collection.
@@ -2559,10 +2556,8 @@
 // Decide if we want to enable class unloading as part of the
 // ensuing concurrent GC cycle. We will collect and
 // unload classes if it's the case that:
-// (1) an explicit gc request has been made and the flag
-//     ExplicitGCInvokesConcurrentAndUnloadsClasses is set, OR
-// (2) (a) class unloading is enabled at the command line, and
-//     (b) old gen is getting really full
+//  (a) class unloading is enabled at the command line, and
+//  (b) old gen is getting really full
 // NOTE: Provided there is no change in the state of the heap between
 // calls to this method, it should have idempotent results. Moreover,
 // its results should be monotonically increasing (i.e. going from 0 to 1,
@@ -2575,11 +2570,7 @@
 // below.
 void CMSCollector::update_should_unload_classes() {
   _should_unload_classes = false;
-  // Condition 1 above
-  if (_full_gc_requested && ExplicitGCInvokesConcurrentAndUnloadsClasses) {
-    _should_unload_classes = true;
-  } else if (CMSClassUnloadingEnabled) { // Condition 2.a above
-    // Disjuncts 2.b.(i,ii,iii) above
+  if (CMSClassUnloadingEnabled) {
     _should_unload_classes = (concurrent_cycles_since_last_unload() >=
                               CMSClassUnloadingMaxInterval)
                            || _cmsGen->is_too_full();
--- a/src/share/vm/oops/method.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/oops/method.cpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -2199,7 +2199,6 @@
   ResourceMark rm;
   assert(is_method(), "must be method");
   st->print_cr("%s", internal_name());
-  // get the effect of PrintOopAddress, always, for methods:
   st->print_cr(" - this oop:          " INTPTR_FORMAT, p2i(this));
   st->print   (" - method holder:     "); method_holder()->print_value_on(st); st->cr();
   st->print   (" - constants:         " INTPTR_FORMAT " ", p2i(constants()));
--- a/src/share/vm/prims/jvm.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/prims/jvm.cpp	Thu May 11 20:23:29 2017 +0000
@@ -2967,14 +2967,7 @@
   JVMWrapper("JVM_Yield");
   if (os::dont_yield()) return;
   HOTSPOT_THREAD_YIELD();
-
-  // When ConvertYieldToSleep is off (default), this matches the classic VM use of yield.
-  // Critical for similar threading behaviour
-  if (ConvertYieldToSleep) {
-    os::sleep(thread, MinSleepInterval, false);
-  } else {
-    os::naked_yield();
-  }
+  os::naked_yield();
 JVM_END
 
 
@@ -2998,18 +2991,7 @@
   EventThreadSleep event;
 
   if (millis == 0) {
-    // When ConvertSleepToYield is on, this matches the classic VM implementation of
-    // JVM_Sleep. Critical for similar threading behaviour (Win32)
-    // It appears that in certain GUI contexts, it may be beneficial to do a short sleep
-    // for SOLARIS
-    if (ConvertSleepToYield) {
-      os::naked_yield();
-    } else {
-      ThreadState old_state = thread->osthread()->get_state();
-      thread->osthread()->set_state(SLEEPING);
-      os::sleep(thread, MinSleepInterval, false);
-      thread->osthread()->set_state(old_state);
-    }
+    os::naked_yield();
   } else {
     ThreadState old_state = thread->osthread()->get_state();
     thread->osthread()->set_state(SLEEPING);
--- a/src/share/vm/runtime/arguments.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/runtime/arguments.cpp	Thu May 11 20:23:29 2017 +0000
@@ -376,53 +376,17 @@
   // --- Non-alias flags - sorted by obsolete_in then expired_in:
   { "MaxGCMinorPauseMillis",        JDK_Version::jdk(8), JDK_Version::undefined(), JDK_Version::undefined() },
   { "UseConcMarkSweepGC",           JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::undefined() },
-  { "AutoGCSelectPauseMillis",      JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "UseAutoGCSelectPolicy",        JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "UseParNewGC",                  JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ExplicitGCInvokesConcurrentAndUnloadsClasses", JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ConvertSleepToYield",          JDK_Version::jdk(9), JDK_Version::jdk(10),     JDK_Version::jdk(11) },
-  { "ConvertYieldToSleep",          JDK_Version::jdk(9), JDK_Version::jdk(10),     JDK_Version::jdk(11) },
 
   // --- Deprecated alias flags (see also aliased_jvm_flags) - sorted by obsolete_in then expired_in:
   { "DefaultMaxRAMFraction",        JDK_Version::jdk(8), JDK_Version::undefined(), JDK_Version::undefined() },
   { "CreateMinidumpOnCrash",        JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::undefined() },
-  { "CMSMarkStackSizeMax",          JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "CMSMarkStackSize",             JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "G1MarkStackSize",              JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ParallelMarkingThreads",       JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ParallelCMSThreads",           JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
 
   // -------------- Obsolete Flags - sorted by expired_in --------------
-  { "UseOldInlining",                JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "SafepointPollOffset",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseBoundThreads",               JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "DefaultThreadPriority",         JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "NoYieldsInMicrolock",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "BackEdgeThreshold",             JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseNewReflection",              JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "ReflectionWrapResolutionErrors",JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "VerifyReflectionBytecodes",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "AutoShutdownNMT",               JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "NmethodSweepFraction",          JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "NmethodSweepCheckInterval",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "CodeCacheMinimumFreeSpace",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-#ifndef ZERO
-  { "UseFastAccessorMethods",        JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseFastEmptyMethods",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-#endif // ZERO
-  { "UseCompilerSafepoints",         JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "AdaptiveSizePausePolicy",       JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "ParallelGCRetainPLAB",          JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "ThreadSafetyMargin",            JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "LazyBootClassLoader",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "StarvationMonitorInterval",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "PreInflateSpin",                JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "JNIDetachReleasesMonitors",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseAltSigs",                    JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "SegmentedHeapDumpThreshold",    JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "PrintOopAddress",               JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "PermSize",                      JDK_Version::undefined(), JDK_Version::jdk(8), JDK_Version::jdk(10) },
-  { "MaxPermSize",                   JDK_Version::undefined(), JDK_Version::jdk(8), JDK_Version::jdk(10) },
+  { "ConvertSleepToYield",           JDK_Version::jdk(9),      JDK_Version::jdk(10), JDK_Version::jdk(11) },
+  { "ConvertYieldToSleep",           JDK_Version::jdk(9),      JDK_Version::jdk(10), JDK_Version::jdk(11) },
+  { "MinSleepInterval",              JDK_Version::jdk(9),      JDK_Version::jdk(10), JDK_Version::jdk(11) },
+  { "PermSize",                      JDK_Version::undefined(), JDK_Version::jdk(8),  JDK_Version::undefined() },
+  { "MaxPermSize",                   JDK_Version::undefined(), JDK_Version::jdk(8),  JDK_Version::undefined() },
 
 #ifdef TEST_VERIFY_SPECIAL_JVM_FLAGS
   { "dep > obs",                    JDK_Version::jdk(9), JDK_Version::jdk(8), JDK_Version::undefined() },
@@ -445,11 +409,6 @@
 
 static AliasedFlag const aliased_jvm_flags[] = {
   { "DefaultMaxRAMFraction",    "MaxRAMFraction"    },
-  { "CMSMarkStackSizeMax",      "MarkStackSizeMax"  },
-  { "CMSMarkStackSize",         "MarkStackSize"     },
-  { "G1MarkStackSize",          "MarkStackSize"     },
-  { "ParallelMarkingThreads",   "ConcGCThreads"     },
-  { "ParallelCMSThreads",       "ConcGCThreads"     },
   { "CreateMinidumpOnCrash",    "CreateCoredumpOnCrash" },
   { NULL, NULL}
 };
@@ -1548,7 +1507,6 @@
   assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC,
          "control point invariant");
   assert(UseConcMarkSweepGC, "CMS is expected to be on here");
-  assert(UseParNewGC, "ParNew should always be used with CMS");
 
   if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
     FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads());
@@ -1589,7 +1547,6 @@
 void Arguments::set_cms_and_parnew_gc_flags() {
   assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error");
   assert(UseConcMarkSweepGC, "CMS is expected to be on here");
-  assert(UseParNewGC, "ParNew should always be used with CMS");
 
   // Turn off AdaptiveSizePolicy by default for cms until it is complete.
   disable_adaptive_size_policy("UseConcMarkSweepGC");
@@ -1729,16 +1686,6 @@
   NOT_LP64(ShouldNotReachHere(); return 0);
 }
 
-bool Arguments::should_auto_select_low_pause_collector() {
-  if (UseAutoGCSelectPolicy &&
-      !FLAG_IS_DEFAULT(MaxGCPauseMillis) &&
-      (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) {
-    log_trace(gc)("Automatic selection of the low pause collector based on pause goal of %d (ms)", (int) MaxGCPauseMillis);
-    return true;
-  }
-  return false;
-}
-
 void Arguments::set_use_compressed_oops() {
 #ifndef ZERO
 #ifdef _LP64
@@ -1842,16 +1789,7 @@
 void Arguments::select_gc_ergonomically() {
 #if INCLUDE_ALL_GCS
   if (os::is_server_class_machine()) {
-    if (!UseAutoGCSelectPolicy) {
-       FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true);
-    } else {
-      if (should_auto_select_low_pause_collector()) {
-        FLAG_SET_ERGO_IF_DEFAULT(bool, UseConcMarkSweepGC, true);
-        FLAG_SET_ERGO_IF_DEFAULT(bool, UseParNewGC, true);
-      } else {
-        FLAG_SET_ERGO_IF_DEFAULT(bool, UseParallelGC, true);
-      }
-    }
+    FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true);
   } else {
     FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
   }
@@ -1860,7 +1798,6 @@
   UNSUPPORTED_OPTION(UseParallelGC);
   UNSUPPORTED_OPTION(UseParallelOldGC);
   UNSUPPORTED_OPTION(UseConcMarkSweepGC);
-  UNSUPPORTED_OPTION(UseParNewGC);
   FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
 #endif // INCLUDE_ALL_GCS
 }
@@ -2079,7 +2016,6 @@
   if (!ClassUnloading) {
     FLAG_SET_CMDLINE(bool, CMSClassUnloadingEnabled, false);
     FLAG_SET_CMDLINE(bool, ClassUnloadingWithConcurrentMark, false);
-    FLAG_SET_CMDLINE(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false);
   }
 #endif // INCLUDE_ALL_GCS
 }
@@ -2432,18 +2368,6 @@
     return false;
   }
 
-  if (UseConcMarkSweepGC && !UseParNewGC) {
-    jio_fprintf(defaultStream::error_stream(),
-        "It is not possible to combine the DefNew young collector with the CMS collector.\n");
-    return false;
-  }
-
-  if (UseParNewGC && !UseConcMarkSweepGC) {
-    jio_fprintf(defaultStream::error_stream(),
-        "It is not possible to combine the ParNew young collector with any collector other than CMS.\n");
-    return false;
-  }
-
   return true;
 }
 
@@ -3741,11 +3665,6 @@
     }
   }
 
-  if (UseConcMarkSweepGC && FLAG_IS_DEFAULT(UseParNewGC) && !UseParNewGC) {
-    // CMS can only be used with ParNew
-    FLAG_SET_ERGO(bool, UseParNewGC, true);
-  }
-
   if (!check_vm_args_consistency()) {
     return JNI_ERR;
   }
--- a/src/share/vm/runtime/arguments.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/runtime/arguments.hpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -480,9 +480,6 @@
   static julong limit_by_allocatable_memory(julong size);
   // Setup heap size
   static void set_heap_size();
-  // Based on automatic selection criteria, should the
-  // low pause collector be used.
-  static bool should_auto_select_low_pause_collector();
 
   // Bytecode rewriting
   static void set_bytecode_flags();
--- a/src/share/vm/runtime/globals.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/runtime/globals.hpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -1158,13 +1158,6 @@
   product_pd(bool, DontYieldALot,                                           \
           "Throw away obvious excess yield calls")                          \
                                                                             \
-  product(bool, ConvertSleepToYield, true,                                  \
-          "Convert sleep(0) to thread yield ")                              \
-                                                                            \
-  product(bool, ConvertYieldToSleep, false,                                 \
-          "Convert yield to a sleep of MinSleepInterval to simulate Win32 " \
-          "behavior")                                                       \
-                                                                            \
   develop(bool, UseDetachedThreads, true,                                   \
           "Use detached threads that are recycled upon termination "        \
           "(for Solaris only)")                                             \
@@ -1478,11 +1471,6 @@
           "A System.gc() request invokes a concurrent collection; "         \
           "(effective only when using concurrent collectors)")              \
                                                                             \
-  product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false,        \
-          "A System.gc() request invokes a concurrent collection and "      \
-          "also unloads classes during such a concurrent gc cycle "         \
-          "(effective only when UseConcMarkSweepGC)")                       \
-                                                                            \
   product(bool, GCLockerInvokesConcurrent, false,                           \
           "The exit of a JNI critical section necessitating a scavenge, "   \
           "also kicks off a background concurrent collection")              \
@@ -1500,9 +1488,6 @@
   product(bool, UseCMSBestFit, true,                                        \
           "Use CMS best fit allocation strategy")                           \
                                                                             \
-  product(bool, UseParNewGC, false,                                         \
-          "Use parallel threads in the new generation")                     \
-                                                                            \
   product(uintx, ParallelGCBufferWastePct, 10,                              \
           "Wasted fraction of parallel allocation buffer")                  \
           range(0, 100)                                                     \
@@ -2058,13 +2043,6 @@
           "Maximum fraction (1/n) of virtual memory used for ergonomically "\
           "determining maximum heap size")                                  \
                                                                             \
-  product(bool, UseAutoGCSelectPolicy, false,                               \
-          "Use automatic collection selection policy")                      \
-                                                                            \
-  product(uintx, AutoGCSelectPauseMillis, 5000,                             \
-          "Automatic GC selection pause threshold in milliseconds")         \
-          range(0, max_uintx)                                               \
-                                                                            \
   product(bool, UseAdaptiveSizePolicy, true,                                \
           "Use adaptive generation sizing policies")                        \
                                                                             \
@@ -3002,10 +2980,6 @@
   develop(intx, DontYieldALotInterval,    10,                               \
           "Interval between which yields will be dropped (milliseconds)")   \
                                                                             \
-  develop(intx, MinSleepInterval,     1,                                    \
-          "Minimum sleep() interval (milliseconds) when "                   \
-          "ConvertSleepToYield is off (used for Solaris)")                  \
-                                                                            \
   develop(intx, ProfilerPCTickThreshold,    15,                             \
           "Number of ticks in a PC buckets to be a hotspot")                \
                                                                             \
--- a/src/share/vm/runtime/vmStructs.cpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/runtime/vmStructs.cpp	Thu May 11 20:23:29 2017 +0000
@@ -199,6 +199,7 @@
 typedef HashtableEntry<Klass*, mtClass>       KlassHashtableEntry;
 typedef TwoOopHashtable<Symbol*, mtClass>     SymbolTwoOopHashtable;
 typedef CompactHashtable<Symbol*, char>       SymbolCompactHashTable;
+typedef RehashableHashtable<Symbol*, mtSymbol>   RehashableSymbolHashtable;
 
 //--------------------------------------------------------------------------------
 // VM_STRUCTS
@@ -584,6 +585,7 @@
                                                                                                                                      \
      static_field(SymbolTable,                 _the_table,                                    SymbolTable*)                          \
      static_field(SymbolTable,                 _shared_table,                                 SymbolCompactHashTable)                \
+     static_field(RehashableSymbolHashtable,   _seed,                                         juint)                                 \
                                                                                                                                      \
   /***************/                                                                                                                  \
   /* StringTable */                                                                                                                  \
@@ -1602,6 +1604,8 @@
                                                                           \
   declare_toplevel_type(BasicHashtable<mtInternal>)                       \
     declare_type(IntptrHashtable, BasicHashtable<mtInternal>)             \
+  declare_toplevel_type(BasicHashtable<mtSymbol>)                         \
+    declare_type(RehashableSymbolHashtable, BasicHashtable<mtSymbol>)     \
   declare_type(SymbolTable, SymbolHashtable)                              \
   declare_type(StringTable, StringHashtable)                              \
     declare_type(LoaderConstraintTable, KlassHashtable)                   \
--- a/src/share/vm/utilities/hashtable.hpp	Thu May 11 16:26:48 2017 +0000
+++ b/src/share/vm/utilities/hashtable.hpp	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2017, 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
@@ -294,6 +294,7 @@
 };
 
 template <class T, MEMFLAGS F> class RehashableHashtable : public Hashtable<T, F> {
+ friend class VMStructs;
  protected:
 
   enum {
--- a/test/TEST.groups	Thu May 11 16:26:48 2017 +0000
+++ b/test/TEST.groups	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2013, 2017, 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
@@ -209,11 +209,8 @@
   gc/g1/TestShrinkToOneRegion.java \
   gc/metaspace/G1AddMetaspaceDependency.java \
   gc/startup_warnings/TestCMS.java \
-  gc/startup_warnings/TestDefNewCMS.java \
   gc/startup_warnings/TestParallelGC.java \
   gc/startup_warnings/TestParallelScavengeSerialOld.java \
-  gc/startup_warnings/TestParNewCMS.java \
-  gc/startup_warnings/TestParNewSerialOld.java \
   runtime/SharedArchiveFile/SharedArchiveFile.java
 
 # Minimal VM on Compact 2 adds in some compact2 tests
--- a/test/compiler/c2/cr7200264/TestDriver.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/compiler/c2/cr7200264/TestDriver.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, 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
@@ -26,7 +26,6 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.regex.Pattern;
 
 import jdk.test.lib.Asserts;
 import jdk.test.lib.process.OutputAnalyzer;
@@ -45,7 +44,7 @@
     }
 
     private List<String> executeApplication() throws Throwable {
-        OutputAnalyzer outputAnalyzer = ProcessTools.executeTestJvmAllArgs(
+        OutputAnalyzer outputAnalyzer = ProcessTools.executeTestJvm(
             "-Xbatch",
             "-XX:-TieredCompilation",
             "-XX:+PrintCompilation",
--- a/test/compiler/compilercontrol/share/scenario/Executor.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/compiler/compilercontrol/share/scenario/Executor.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, 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
@@ -25,6 +25,7 @@
 
 import compiler.compilercontrol.share.actions.BaseAction;
 import jdk.test.lib.Asserts;
+import jdk.test.lib.management.InputArguments;
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
 import jdk.test.lib.dcmd.CommandExecutor;
@@ -38,6 +39,7 @@
 import java.net.ServerSocket;
 import java.net.Socket;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -97,9 +99,13 @@
                 // Start separate thread to connect with test VM
                 new Thread(() -> connectTestVM(serverSocket)).start();
             }
-            // Start test VM
-            output = ProcessTools.executeTestJvmAllArgs(
-                    vmOptions.toArray(new String[vmOptions.size()]));
+            // Start a test VM using vm flags from @run and from vm options
+            String[] vmInputArgs = InputArguments.getVmInputArgs();
+            String[] cmds = Arrays.copyOf(vmInputArgs,
+                    vmInputArgs.length + vmOptions.size());
+            System.arraycopy(vmOptions.toArray(), 0, cmds, vmInputArgs.length,
+                    vmOptions.size());
+            output = ProcessTools.executeTestJvm(cmds);
         } catch (Throwable thr) {
             throw new Error("Execution failed: " + thr.getMessage(), thr);
         }
--- a/test/compiler/jsr292/patches/java.base/java/lang/invoke/MethodHandleHelper.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/compiler/jsr292/patches/java.base/java/lang/invoke/MethodHandleHelper.java	Thu May 11 20:23:29 2017 +0000
@@ -99,7 +99,7 @@
 
         public static MethodHandle make(MethodHandle target) {
             LambdaForm lform = DelegatingMethodHandle.makeReinvokerForm(
-                    target, -1, DelegatingMethodHandle.class, "reinvoker.dontInline",
+                    target, -1, DelegatingMethodHandle.class,
                 /*forceInline=*/false, DelegatingMethodHandle.NF_getTarget, null);
             return new NonInlinedReinvoker(target, lform);
         }
--- a/test/compiler/jvmci/compilerToVM/DebugOutputTest.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/compiler/jvmci/compilerToVM/DebugOutputTest.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, 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
@@ -30,11 +30,9 @@
  * @modules java.base/jdk.internal.misc
  * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot
  * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
- * @run main/othervm compiler.jvmci.compilerToVM.DebugOutputTest
+ * @run driver compiler.jvmci.compilerToVM.DebugOutputTest
  */
 
- // as soon as CODETOOLS-7901589 fixed, '@run main/othervm' should be replaced w/ '@run driver'
-
 package compiler.jvmci.compilerToVM;
 
 import jdk.test.lib.process.OutputAnalyzer;
@@ -42,8 +40,11 @@
 import jdk.vm.ci.hotspot.CompilerToVMHelper;
 
 import java.util.Arrays;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 
 public class DebugOutputTest {
+    private static final String VM_CI_MODULE = "jdk.internal.vm.ci";
     public static void main(String[] args) {
         new DebugOutputTest().test();
     }
@@ -53,10 +54,18 @@
             System.out.println(testCase);
             OutputAnalyzer oa;
             try {
-                oa = ProcessTools.executeTestJvmAllArgs(
+                Path patch = Paths.get(System.getProperty("test.patch.path"));
+                Path jvmciPath = patch.resolve(VM_CI_MODULE).toAbsolutePath();
+                if (!jvmciPath.toFile().exists()) {
+                    throw new Error("TESTBUG: patch for " + VM_CI_MODULE + " : "
+                            + jvmciPath.toString() + " does not exist");
+                }
+                oa = ProcessTools.executeTestJvm(
                         "-XX:+UnlockExperimentalVMOptions",
                         "-XX:+EnableJVMCI",
-                        "-Xbootclasspath/a:.",
+                        "--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED",
+                        "--add-exports", "jdk.internal.vm.ci/jdk.vm.ci.hotspot=ALL-UNNAMED",
+                        "--patch-module", VM_CI_MODULE + "=" + jvmciPath.toString(),
                         DebugOutputTest.Worker.class.getName(),
                         testCase.name());
                } catch (Throwable e) {
--- a/test/gc/arguments/TestExplicitGCInvokesConcurrentAndUnloadsClasses.java	Thu May 11 16:26:48 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2016, 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 TestExplicitGCInvokesConcurrentAndUnloadsClasses
- * @summary Test that the flag ExplicitGCInvokesConcurrentAndUnloadsClasses is deprecated
- * @bug 8170388
- * @key gc
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- *          java.management
- * @run driver TestExplicitGCInvokesConcurrentAndUnloadsClasses
- */
-
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.process.ProcessTools;
-
-public class TestExplicitGCInvokesConcurrentAndUnloadsClasses {
-    public static void main(String[] args) throws Exception {
-        ProcessBuilder pb =
-            ProcessTools.createJavaProcessBuilder("-XX:+ExplicitGCInvokesConcurrentAndUnloadsClasses",
-                                                  "-Xlog:gc",
-                                                  "-version");
-        OutputAnalyzer output = new OutputAnalyzer(pb.start());
-        output.shouldContain("ExplicitGCInvokesConcurrentAndUnloadsClasses was deprecated");
-        output.shouldHaveExitValue(0);
-    }
-}
--- a/test/gc/arguments/TestSelectDefaultGC.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/gc/arguments/TestSelectDefaultGC.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, 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
@@ -66,7 +66,6 @@
         assertVMOption(output, "UseSerialGC",        !isServer);
         // CMS is never default
         assertVMOption(output, "UseConcMarkSweepGC", false);
-        assertVMOption(output, "UseParNewGC",        false);
     }
 
     public static void main(String[] args) throws Exception {
--- a/test/gc/startup_warnings/TestDefNewCMS.java	Thu May 11 16:26:48 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2013, 2016, 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 TestDefNewCMS
-* @key gc
-* @bug 8065972
-* @summary Test that the unsupported DefNew+CMS combination does not start
-* @library /test/lib
-* @modules java.base/jdk.internal.misc
-*          java.management
-*/
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-public class TestDefNewCMS {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:-UseParNewGC", "-XX:+UseConcMarkSweepGC", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("It is not possible to combine the DefNew young collector with the CMS collector.");
-    output.shouldContain("Error");
-    output.shouldHaveExitValue(1);
-  }
-
-}
--- a/test/gc/startup_warnings/TestParNewCMS.java	Thu May 11 16:26:48 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2013, 2016, 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 TestParNewCMS
-* @key gc
-* @bug 8065972
-* @summary Test that specifying -XX:+UseParNewGC on the command line logs a warning message
-* @library /test/lib
-* @modules java.base/jdk.internal.misc
-*          java.management
-*/
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-
-public class TestParNewCMS {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseParNewGC", "-XX:+UseConcMarkSweepGC", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("warning: Option UseParNewGC was deprecated in version");
-    output.shouldNotContain("error");
-    output.shouldHaveExitValue(0);
-  }
-
-}
--- a/test/gc/startup_warnings/TestParNewSerialOld.java	Thu May 11 16:26:48 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2013, 2016, 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 TestParNewSerialOld
-* @key gc
-* @bug 8065972
-* @summary Test that the unsupported ParNew+SerialOld combination does not start
-* @library /test/lib
-* @modules java.base/jdk.internal.misc
-*          java.management
-*/
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-
-public class TestParNewSerialOld {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseParNewGC", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("It is not possible to combine the ParNew young collector with any collector other than CMS.");
-    output.shouldContain("Error");
-    output.shouldHaveExitValue(1);
-  }
-
-}
--- a/test/gc/startup_warnings/TestUseAutoGCSelectPolicy.java	Thu May 11 16:26:48 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2016, 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 TestUseAutoGCSelectPolicy
- * @key gc
- * @bug 8166461 8167494
- * @summary Test that UseAutoGCSelectPolicy and AutoGCSelectPauseMillis do print a warning message
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- *          java.management
- */
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-public class TestUseAutoGCSelectPolicy {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseAutoGCSelectPolicy", "-XX:AutoGCSelectPauseMillis=3000", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("UseAutoGCSelectPolicy was deprecated in version 9.0");
-    output.shouldContain("AutoGCSelectPauseMillis was deprecated in version 9.0");
-    output.shouldNotContain("error");
-    output.shouldHaveExitValue(0);
-  }
-}
--- a/test/runtime/CommandLine/ObsoleteFlagErrorMessage.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/runtime/CommandLine/ObsoleteFlagErrorMessage.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2017, 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
@@ -37,18 +37,18 @@
 
     // Case 1: Newly obsolete flags with extra junk appended should not be treated as newly obsolete (8060449)
     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-        "-XX:UseOldInliningPlusJunk", "-version");
+        "-XX:ConvertSleepToYieldPlusJunk", "-version");
 
     OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("Unrecognized VM option 'UseOldInliningPlusJunk'"); // Must identify bad option.
+    output.shouldContain("Unrecognized VM option 'ConvertSleepToYieldPlusJunk'"); // Must identify bad option.
     output.shouldHaveExitValue(1);
 
-    // Case 2: Newly obsolete integer-valued flags should be recognized as newly obsolete (8073989)
+    // Case 2: Newly obsolete flags should be recognized as newly obsolete (8073989)
     ProcessBuilder pb2 = ProcessTools.createJavaProcessBuilder(
-        "-XX:NmethodSweepFraction=10", "-version");
+        "-XX:+ConvertSleepToYield", "-version");
 
     OutputAnalyzer output2 = new OutputAnalyzer(pb2.start());
     output2.shouldContain("Ignoring option").shouldContain("support was removed");
-    output2.shouldContain("NmethodSweepFraction");
+    output2.shouldContain("ConvertSleepToYield");
   }
 }
--- a/test/runtime/CommandLine/VMAliasOptions.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/runtime/CommandLine/VMAliasOptions.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, 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
@@ -40,11 +40,6 @@
      */
     public static final String[][] ALIAS_OPTIONS = {
         {"DefaultMaxRAMFraction",   "MaxRAMFraction", "1032"},
-        {"CMSMarkStackSizeMax",     "MarkStackSizeMax", "1032"},
-        {"CMSMarkStackSize",        "MarkStackSize", "1032"},
-        {"G1MarkStackSize",         "MarkStackSize", "1032"},
-        {"ParallelMarkingThreads",  "ConcGCThreads", "2"},
-        {"ParallelCMSThreads",      "ConcGCThreads", "2"},
         {"CreateMinidumpOnCrash",   "CreateCoredumpOnCrash", "false" },
     };
 
--- a/test/runtime/CommandLine/VMDeprecatedOptions.java	Thu May 11 16:26:48 2017 +0000
+++ b/test/runtime/CommandLine/VMDeprecatedOptions.java	Thu May 11 20:23:29 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, 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
@@ -41,17 +41,9 @@
     public static final String[][] DEPRECATED_OPTIONS = {
         // deprecated non-alias flags:
         {"MaxGCMinorPauseMillis", "1032"},
-        {"UseParNewGC", "false"},
-        {"ConvertSleepToYield", "false" },
-        {"ConvertYieldToSleep", "false" },
 
         // deprecated alias flags (see also aliased_jvm_flags):
         {"DefaultMaxRAMFraction", "4"},
-        {"CMSMarkStackSizeMax", "1032"},
-        {"CMSMarkStackSize", "1032"},
-        {"G1MarkStackSize", "1032"},
-        {"ParallelMarkingThreads", "2"},
-        {"ParallelCMSThreads", "2"},
         {"CreateMinidumpOnCrash", "false"}
     };
 
--- a/test/runtime/NMT/AutoshutdownNMT.java	Thu May 11 16:26:48 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2014, 2016, 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
- * @key nmt
- * @summary Test for deprecated message if -XX:-AutoShutdownNMT is specified
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- *          java.management
- */
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-public class AutoshutdownNMT {
-
-    public static void main(String args[]) throws Exception {
-
-        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-                "-XX:NativeMemoryTracking=detail",
-                "-XX:-AutoShutdownNMT",
-                "-version");
-        OutputAnalyzer output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Ignoring option AutoShutdownNMT");
-    }
-}