webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 27 insertions, 32 deletions

diff --git a/Source/JavaScriptCore/jit/JITInlineCacheGenerator.h b/Source/JavaScriptCore/jit/JITInlineCacheGenerator.h
index 6ff0c09b5..469290db5 100644
--- a/Source/JavaScriptCore/jit/JITInlineCacheGenerator.h
+++ b/Source/JavaScriptCore/jit/JITInlineCacheGenerator.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,8 +23,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef JITInlineCacheGenerator_h
-#define JITInlineCacheGenerator_h
+#pragma once
 
 #if ENABLE(JIT)
 
@@ -37,11 +36,16 @@
 namespace JSC {
 
 class CodeBlock;
+class StructureStubInfo;
+
+struct CallSiteIndex;
+
+enum class AccessType : int8_t;
 
 class JITInlineCacheGenerator {
 protected:
     JITInlineCacheGenerator() { }
-    JITInlineCacheGenerator(CodeBlock*, CodeOrigin);
+    JITInlineCacheGenerator(CodeBlock*, CodeOrigin, CallSiteIndex, AccessType);
     
 public:
     StructureStubInfo* stubInfo() const { return m_stubInfo; }
@@ -56,38 +60,37 @@ protected:
     JITByIdGenerator() { }
 
     JITByIdGenerator(
-        CodeBlock*, CodeOrigin, const RegisterSet&, GPRReg callFrameRegister,
-        JSValueRegs base, JSValueRegs value, bool registersFlushed);
+        CodeBlock*, CodeOrigin, CallSiteIndex, AccessType, const RegisterSet&, JSValueRegs base,
+        JSValueRegs value);
     
 public:
     void reportSlowPathCall(MacroAssembler::Label slowPathBegin, MacroAssembler::Call call)
     {
         m_slowPathBegin = slowPathBegin;
-        m_call = call;
+        m_slowPathCall = call;
     }
     
     MacroAssembler::Label slowPathBegin() const { return m_slowPathBegin; }
-    MacroAssembler::Jump slowPathJump() const { return m_structureCheck.m_jump; }
+    MacroAssembler::Jump slowPathJump() const
+    {
+        ASSERT(m_slowPathJump.isSet());
+        return m_slowPathJump;
+    }
 
     void finalize(LinkBuffer& fastPathLinkBuffer, LinkBuffer& slowPathLinkBuffer);
     void finalize(LinkBuffer&);
     
 protected:
-    void generateFastPathChecks(MacroAssembler&, GPRReg butterfly);
+    void generateFastCommon(MacroAssembler&, size_t size);
     
     JSValueRegs m_base;
     JSValueRegs m_value;
     
-    MacroAssembler::DataLabelPtr m_structureImm;
-    MacroAssembler::PatchableJump m_structureCheck;
-    MacroAssembler::ConvertibleLoadLabel m_propertyStorageLoad;
-    AssemblerLabel m_loadOrStore;
-#if USE(JSVALUE32_64)
-    AssemblerLabel m_tagLoadOrStore;
-#endif
+    MacroAssembler::Label m_start;
     MacroAssembler::Label m_done;
     MacroAssembler::Label m_slowPathBegin;
-    MacroAssembler::Call m_call;
+    MacroAssembler::Call m_slowPathCall;
+    MacroAssembler::Jump m_slowPathJump;
 };
 
 class JITGetByIdGenerator : public JITByIdGenerator {
@@ -95,16 +98,13 @@ public:
     JITGetByIdGenerator() { }
 
     JITGetByIdGenerator(
-        CodeBlock* codeBlock, CodeOrigin codeOrigin, const RegisterSet& usedRegisters,
-        GPRReg callFrameRegister, JSValueRegs base, JSValueRegs value,
-        bool registersFlushed)
-        : JITByIdGenerator(
-            codeBlock, codeOrigin, usedRegisters, callFrameRegister, base, value,
-            registersFlushed)
-    {
-    }
+        CodeBlock*, CodeOrigin, CallSiteIndex, const RegisterSet& usedRegisters, UniquedStringImpl* propertyName,
+        JSValueRegs base, JSValueRegs value, AccessType);
     
     void generateFastPath(MacroAssembler&);
+
+private:
+    bool m_isLengthAccess;
 };
 
 class JITPutByIdGenerator : public JITByIdGenerator {
@@ -112,16 +112,14 @@ public:
     JITPutByIdGenerator() { }
 
     JITPutByIdGenerator(
-        CodeBlock*, CodeOrigin, const RegisterSet& usedRegisters, GPRReg callFrameRegister,
-        JSValueRegs base, JSValueRegs value, GPRReg scratch, bool registersFlushed,
-        ECMAMode, PutKind);
+        CodeBlock*, CodeOrigin, CallSiteIndex, const RegisterSet& usedRegisters, JSValueRegs base,
+        JSValueRegs, GPRReg scratch, ECMAMode, PutKind);
     
     void generateFastPath(MacroAssembler&);
     
     V_JITOperation_ESsiJJI slowPathFunction();
 
 private:
-    GPRReg m_scratch;
     ECMAMode m_ecmaMode;
     PutKind m_putKind;
 };
@@ -129,6 +127,3 @@ private:
 } // namespace JSC
 
 #endif // ENABLE(JIT)
-
-#endif // JITInlineCacheGenerator_h
-