Title: [235198] trunk/Source/_javascript_Core
- Revision
- 235198
- Author
- msab...@apple.com
- Date
- 2018-08-22 13:42:17 -0700 (Wed, 22 Aug 2018)
Log Message
https://bugs.webkit.org/show_bug.cgi?id=188859
Eliminate dead code operationThrowDivideError() and operationThrowOutOfBoundsAccessError()
Rubber-stamped by Saam Barati.
Deleted these two functions.
* jit/JITOperations.cpp:
* jit/JITOperations.h:
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (235197 => 235198)
--- trunk/Source/_javascript_Core/ChangeLog 2018-08-22 20:40:22 UTC (rev 235197)
+++ trunk/Source/_javascript_Core/ChangeLog 2018-08-22 20:42:17 UTC (rev 235198)
@@ -1,3 +1,15 @@
+2018-08-22 Michael Saboff <msab...@apple.com>
+
+ https://bugs.webkit.org/show_bug.cgi?id=188859
+ Eliminate dead code operationThrowDivideError() and operationThrowOutOfBoundsAccessError()
+
+ Rubber-stamped by Saam Barati.
+
+ Deleted these two functions.
+
+ * jit/JITOperations.cpp:
+ * jit/JITOperations.h:
+
2018-08-22 Mark Lam <mark....@apple.com>
The DFG CFGSimplification phase shouldn’t jettison a block when it’s the target of both branch directions.
Modified: trunk/Source/_javascript_Core/jit/JITOperations.cpp (235197 => 235198)
--- trunk/Source/_javascript_Core/jit/JITOperations.cpp 2018-08-22 20:40:22 UTC (rev 235197)
+++ trunk/Source/_javascript_Core/jit/JITOperations.cpp 2018-08-22 20:42:17 UTC (rev 235198)
@@ -114,34 +114,6 @@
throwStackOverflowError(callerFrame, scope);
}
-#if ENABLE(WEBASSEMBLY)
-void JIT_OPERATION operationThrowDivideError(ExecState* exec)
-{
- VM* vm = &exec->vm();
- auto scope = DECLARE_THROW_SCOPE(*vm);
-
- EntryFrame* entryFrame = vm->topEntryFrame;
- CallFrame* callerFrame = exec->callerFrame(entryFrame);
-
- NativeCallFrameTracerWithRestore tracer(vm, entryFrame, callerFrame);
- ErrorHandlingScope errorScope(*vm);
- throwException(callerFrame, scope, createError(callerFrame, "Division by zero or division overflow."_s));
-}
-
-void JIT_OPERATION operationThrowOutOfBoundsAccessError(ExecState* exec)
-{
- VM* vm = &exec->vm();
- auto scope = DECLARE_THROW_SCOPE(*vm);
-
- EntryFrame* entryFrame = vm->topEntryFrame;
- CallFrame* callerFrame = exec->callerFrame(entryFrame);
-
- NativeCallFrameTracerWithRestore tracer(vm, entryFrame, callerFrame);
- ErrorHandlingScope errorScope(*vm);
- throwException(callerFrame, scope, createError(callerFrame, "Out-of-bounds access."_s));
-}
-#endif
-
int32_t JIT_OPERATION operationCallArityCheck(ExecState* exec)
{
VM* vm = &exec->vm();
Modified: trunk/Source/_javascript_Core/jit/JITOperations.h (235197 => 235198)
--- trunk/Source/_javascript_Core/jit/JITOperations.h 2018-08-22 20:40:22 UTC (rev 235197)
+++ trunk/Source/_javascript_Core/jit/JITOperations.h 2018-08-22 20:42:17 UTC (rev 235198)
@@ -353,10 +353,6 @@
void JIT_OPERATION operationVMHandleException(ExecState*) WTF_INTERNAL;
void JIT_OPERATION operationThrowStackOverflowError(ExecState*, CodeBlock*) WTF_INTERNAL;
-#if ENABLE(WEBASSEMBLY)
-void JIT_OPERATION operationThrowDivideError(ExecState*) WTF_INTERNAL;
-void JIT_OPERATION operationThrowOutOfBoundsAccessError(ExecState*) WTF_INTERNAL;
-#endif
int32_t JIT_OPERATION operationCallArityCheck(ExecState*) WTF_INTERNAL;
int32_t JIT_OPERATION operationConstructArityCheck(ExecState*) WTF_INTERNAL;
EncodedJSValue JIT_OPERATION operationTryGetById(ExecState*, StructureStubInfo*, EncodedJSValue, UniquedStringImpl*) WTF_INTERNAL;
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