Changeset 254632 in webkit for trunk/Source/JavaScriptCore/dfg/DFGOperations.cpp

Timestamp:

Jan 15, 2020, 1:30:57 PM (5 years ago)

Author:

[email protected]

Message:

Revert bytecode checkpoints since it breaks watch
​https://bugs.webkit.org/show_bug.cgi?id=206301

Unreviewed, revert.

File:

• trunk/Source/JavaScriptCore/dfg/DFGOperations.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/dfg/DFGOperations.cpp

@@ -2972 +2972 @@
 }
 
-void JIT_OPERATION operationLoadVarargs(JSGlobalObject* globalObject, int32_t firstElementDest, EncodedJSValue encodedArguments, uint32_t offset, uint32_t lengthIncludingThis, uint32_t mandatoryMinimum)
-{
-    VirtualRegister firstElement { firstElementDest };
+void JIT_OPERATION operationLoadVarargs(JSGlobalObject* globalObject, int32_t firstElementDest, EncodedJSValue encodedArguments, uint32_t offset, uint32_t length, uint32_t mandatoryMinimum)
+{
     VM& vm = globalObject->vm();
     CallFrame* callFrame = DECLARE_CALL_FRAME(vm);
@@ -2980 +2979 @@
     JSValue arguments = JSValue::decode(encodedArguments);
     
-    loadVarargs(globalObject, bitwise_cast<JSValue*>(&callFrame->r(firstElement)), arguments, offset, lengthIncludingThis - 1);
-    
-    for (uint32_t i = lengthIncludingThis - 1; i < mandatoryMinimum; ++i)
-        callFrame->r(firstElement + i) = jsUndefined();
+    loadVarargs(globalObject, callFrame, VirtualRegister(firstElementDest), arguments, offset, length);
+    
+    for (uint32_t i = length; i < mandatoryMinimum; ++i)
+        callFrame->r(firstElementDest + i) = jsUndefined();
 }