--- a/src/cpu/x86/vm/stubGenerator_x86_32.cpp	Tue Aug 06 14:38:46 2013 +0200
+++ b/src/cpu/x86/vm/stubGenerator_x86_32.cpp	Tue Aug 06 14:39:47 2013 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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
@@ -83,7 +83,7 @@
  private:
 
 #ifdef PRODUCT
-#define inc_counter_np(counter) (0)
+#define inc_counter_np(counter) ((void)0)
 #else
   void inc_counter_np_(int& counter) {
     __ incrementl(ExternalAddress((address)&counter));
@@ -2713,6 +2713,92 @@
     return start;
   }
 
+  /**
+   *  Arguments:
+   *
+   * Inputs:
+   *   rsp(4)   - int crc
+   *   rsp(8)   - byte* buf
+   *   rsp(12)  - int length
+   *
+   * Ouput:
+   *       rax   - int crc result
+   */
+  address generate_updateBytesCRC32() {
+    assert(UseCRC32Intrinsics, "need AVX and CLMUL instructions");
+
+    __ align(CodeEntryAlignment);
+    StubCodeMark mark(this, "StubRoutines", "updateBytesCRC32");
+
+    address start = __ pc();
+
+    const Register crc   = rdx;  // crc
+    const Register buf   = rsi;  // source java byte array address
+    const Register len   = rcx;  // length
+    const Register table = rdi;  // crc_table address (reuse register)
+    const Register tmp   = rbx;
+    assert_different_registers(crc, buf, len, table, tmp, rax);
+
+    BLOCK_COMMENT("Entry:");
+    __ enter(); // required for proper stackwalking of RuntimeStub frame
+    __ push(rsi);
+    __ push(rdi);
+    __ push(rbx);
+
+    Address crc_arg(rbp, 8 + 0);
+    Address buf_arg(rbp, 8 + 4);
+    Address len_arg(rbp, 8 + 8);
+
+    // Load up:
+    __ movl(crc,   crc_arg);
+    __ movptr(buf, buf_arg);
+    __ movl(len,   len_arg);
+
+    __ kernel_crc32(crc, buf, len, table, tmp);
+
+    __ movl(rax, crc);
+    __ pop(rbx);
+    __ pop(rdi);
+    __ pop(rsi);
+    __ leave(); // required for proper stackwalking of RuntimeStub frame
+    __ ret(0);
+
+    return start;
+  }
+
+  // Safefetch stubs.
+  void generate_safefetch(const char* name, int size, address* entry,
+                          address* fault_pc, address* continuation_pc) {
+    // safefetch signatures:
+    //   int      SafeFetch32(int*      adr, int      errValue);
+    //   intptr_t SafeFetchN (intptr_t* adr, intptr_t errValue);
+
+    StubCodeMark mark(this, "StubRoutines", name);
+
+    // Entry point, pc or function descriptor.
+    *entry = __ pc();
+
+    __ movl(rax, Address(rsp, 0x8));
+    __ movl(rcx, Address(rsp, 0x4));
+    // Load *adr into eax, may fault.
+    *fault_pc = __ pc();
+    switch (size) {
+      case 4:
+        // int32_t
+        __ movl(rax, Address(rcx, 0));
+        break;
+      case 8:
+        // int64_t
+        Unimplemented();
+        break;
+      default:
+        ShouldNotReachHere();
+    }
+
+    // Return errValue or *adr.
+    *continuation_pc = __ pc();
+    __ ret(0);
+  }
 
  public:
   // Information about frame layout at time of blocking runtime call.
@@ -2887,6 +2973,12 @@
 
     // Build this early so it's available for the interpreter
     StubRoutines::_throw_StackOverflowError_entry          = generate_throw_exception("StackOverflowError throw_exception",           CAST_FROM_FN_PTR(address, SharedRuntime::throw_StackOverflowError));
+
+    if (UseCRC32Intrinsics) {
+      // set table address before stub generation which use it
+      StubRoutines::_crc_table_adr = (address)StubRoutines::x86::_crc_table;
+      StubRoutines::_updateBytesCRC32 = generate_updateBytesCRC32();
+    }
   }
 
 
@@ -2920,6 +3012,14 @@
       StubRoutines::_cipherBlockChaining_encryptAESCrypt = generate_cipherBlockChaining_encryptAESCrypt();
       StubRoutines::_cipherBlockChaining_decryptAESCrypt = generate_cipherBlockChaining_decryptAESCrypt();
     }
+
+    // Safefetch stubs.
+    generate_safefetch("SafeFetch32", sizeof(int), &StubRoutines::_safefetch32_entry,
+                                                   &StubRoutines::_safefetch32_fault_pc,
+                                                   &StubRoutines::_safefetch32_continuation_pc);
+    StubRoutines::_safefetchN_entry           = StubRoutines::_safefetch32_entry;
+    StubRoutines::_safefetchN_fault_pc        = StubRoutines::_safefetch32_fault_pc;
+    StubRoutines::_safefetchN_continuation_pc = StubRoutines::_safefetch32_continuation_pc;
   }