Changeset 38412 in webkit for trunk/JavaScriptCore/VM/CodeBlock.h

Timestamp:

Nov 14, 2008, 5:33:36 PM (17 years ago)

Author:

[email protected]

Message:

2008-11-14 Gavin Barraclough <​[email protected]>

Reviewed by Geoff Garen.

Generate less code for the slow cases of op_call and op_construct.
​https://bugs.webkit.org/show_bug.cgi?id=22272

1% progression on v8 tests.

• VM/CTI.cpp: (JSC::CTI::emitRetrieveArg): (JSC::CTI::emitNakedCall): (JSC::CTI::compileOpCallInitializeCallFrame): (JSC::CTI::compileOpCall): (JSC::CTI::privateCompileSlowCases): (JSC::CTI::privateCompileCTIMachineTrampolines):
• VM/CTI.h:
• VM/CodeBlock.h: (JSC::getCallLinkInfoReturnLocation): (JSC::CodeBlock::getCallLinkInfo):
• VM/Machine.cpp: (JSC::Machine::Machine): (JSC::Machine::cti_vm_dontLazyLinkCall): (JSC::Machine::cti_vm_lazyLinkCall):
• VM/Machine.h:

File:

• trunk/JavaScriptCore/VM/CodeBlock.h (modified) (2 diffs)

trunk/JavaScriptCore/VM/CodeBlock.h

@@ -121 +121 @@
     }
 
+    inline void* getCallLinkInfoReturnLocation(CallLinkInfo* callLinkInfo)
+    {
+        return callLinkInfo->callReturnLocation;
+    }
+
     // Binary chop algorithm, calls valueAtPosition on pre-sorted elements in array,
     // compares result with key (KeyTypes should be comparable with '--', '<', '>').
@@ -301 +306 @@
         }
 
+        CallLinkInfo& getCallLinkInfo(void* returnAddress)
+        {
+            return *(binaryChop<CallLinkInfo, void*, getCallLinkInfoReturnLocation>(callLinkInfos.begin(), callLinkInfos.size(), returnAddress));
+        }
+
         ScopeNode* ownerNode;
         JSGlobalData* globalData;