jit/JITToDFGDeferredCompilationCallback.cpp

   1 /*
   2  * Copyright (C) 2013 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "JITToDFGDeferredCompilationCallback.h"
  28
  29 #if ENABLE(DFG_JIT)
  30
  31 #include "CodeBlock.h"
  32 #include "Executable.h"
  33 #include "JSCInlines.h"
  34
  35 namespace JSC {
  36
  37 JITToDFGDeferredCompilationCallback::JITToDFGDeferredCompilationCallback() { }
  38 JITToDFGDeferredCompilationCallback::~JITToDFGDeferredCompilationCallback() { }
  39
  40 PassRefPtr<JITToDFGDeferredCompilationCallback> JITToDFGDeferredCompilationCallback::create()
  41 {
  42     return adoptRef(new JITToDFGDeferredCompilationCallback());
  43 }
  44
  45 void JITToDFGDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
  46     CodeBlock* codeBlock)
  47 {
  48     ASSERT(codeBlock->alternative()->jitType() == JITCode::BaselineJIT);
  49
  50     if (Options::verboseOSR())
  51         dataLog("Optimizing compilation of ", *codeBlock, " did become ready.\n");
  52
  53     codeBlock->alternative()->forceOptimizationSlowPathConcurrently();
  54 }
  55
  56 void JITToDFGDeferredCompilationCallback::compilationDidComplete(
  57     CodeBlock* codeBlock, CompilationResult result)
  58 {
  59     ASSERT(codeBlock->alternative()->jitType() == JITCode::BaselineJIT);
  60
  61     if (Options::verboseOSR())
  62         dataLog("Optimizing compilation of ", *codeBlock, " result: ", result, "\n");
  63
  64     if (result == CompilationSuccessful)
  65         codeBlock->install();
  66
  67     codeBlock->alternative()->setOptimizationThresholdBasedOnCompilationResult(result);
  68
  69     DeferredCompilationCallback::compilationDidComplete(codeBlock, result);
  70 }
  71
  72 } // JSC
  73
  74 #endif // ENABLE(DFG_JIT)