webkitgtk-2.12.3webkitgtk-2.12.3

1 files changed, 27 insertions, 19 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGToFTLForOSREntryDeferredCompilationCallback.cpp b/Source/JavaScriptCore/dfg/DFGToFTLForOSREntryDeferredCompilationCallback.cpp
index 17b45a328..c9e5c79fd 100644
--- a/Source/JavaScriptCore/dfg/DFGToFTLForOSREntryDeferredCompilationCallback.cpp
+++ b/Source/JavaScriptCore/dfg/DFGToFTLForOSREntryDeferredCompilationCallback.cpp
@@ -31,12 +31,11 @@
 #include "CodeBlock.h"
 #include "DFGJITCode.h"
 #include "Executable.h"
+#include "JSCInlines.h"
 
 namespace JSC { namespace DFG {
 
-ToFTLForOSREntryDeferredCompilationCallback::ToFTLForOSREntryDeferredCompilationCallback(
-    PassRefPtr<CodeBlock> dfgCodeBlock)
-    : m_dfgCodeBlock(dfgCodeBlock)
+ToFTLForOSREntryDeferredCompilationCallback::ToFTLForOSREntryDeferredCompilationCallback()
 {
 }
 
@@ -44,42 +43,51 @@ ToFTLForOSREntryDeferredCompilationCallback::~ToFTLForOSREntryDeferredCompilatio
 {
 }
 
-PassRefPtr<ToFTLForOSREntryDeferredCompilationCallback>
-ToFTLForOSREntryDeferredCompilationCallback::create(
-    PassRefPtr<CodeBlock> dfgCodeBlock)
+Ref<ToFTLForOSREntryDeferredCompilationCallback>ToFTLForOSREntryDeferredCompilationCallback::create()
 {
-    return adoptRef(new ToFTLForOSREntryDeferredCompilationCallback(dfgCodeBlock));
+    return adoptRef(*new ToFTLForOSREntryDeferredCompilationCallback());
 }
 
 void ToFTLForOSREntryDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
-    CodeBlock* codeBlock)
+    CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock)
 {
     if (Options::verboseOSR()) {
         dataLog(
-            "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock,
+            "Optimizing compilation of ", *codeBlock, " (for ", *profiledDFGCodeBlock,
             ") did become ready.\n");
     }
     
-    m_dfgCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently(
-        m_dfgCodeBlock.get());
+    profiledDFGCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently(
+        profiledDFGCodeBlock);
 }
 
 void ToFTLForOSREntryDeferredCompilationCallback::compilationDidComplete(
-    CodeBlock* codeBlock, CompilationResult result)
+    CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock, CompilationResult result)
 {
     if (Options::verboseOSR()) {
         dataLog(
-            "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock,
+            "Optimizing compilation of ", *codeBlock, " (for ", *profiledDFGCodeBlock,
             ") result: ", result, "\n");
     }
     
-    if (result == CompilationSuccessful)
-        m_dfgCodeBlock->jitCode()->dfg()->osrEntryBlock = codeBlock;
+    JITCode* jitCode = profiledDFGCodeBlock->jitCode()->dfg();
+        
+    switch (result) {
+    case CompilationSuccessful:
+        jitCode->setOSREntryBlock(*codeBlock->vm(), profiledDFGCodeBlock, codeBlock);
+        break;
+    case CompilationFailed:
+        jitCode->osrEntryRetry = 0;
+        jitCode->abandonOSREntry = true;
+        break;
+    case CompilationDeferred:
+        RELEASE_ASSERT_NOT_REACHED();
+    case CompilationInvalidated:
+        jitCode->osrEntryRetry = 0;
+        break;
+    }
     
-    // FIXME: if we failed, we might want to just turn off OSR entry rather than
-    // totally turning off tier-up.
-    m_dfgCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult(
-        m_dfgCodeBlock.get(), result);
+    DeferredCompilationCallback::compilationDidComplete(codeBlock, profiledDFGCodeBlock, result);
 }
 
 } } // JSC::DFG