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author | Jørgen Lind <jorgen.lind@nokia.com> | 2010-08-03 10:53:57 (GMT) |
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committer | Jørgen Lind <jorgen.lind@nokia.com> | 2010-08-03 10:53:57 (GMT) |
commit | d5491ecdde14659a913c9f476f18c45f1d9489bb (patch) | |
tree | 06cc52249feda9bd9e50ca47abb8ebd676c8a309 /src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp | |
parent | 42cdfaf86d34afeb6448723839fef70fe477deed (diff) | |
parent | a41128af5373a0225c3548abd3eb82cd7e8f7a0e (diff) | |
download | Qt-d5491ecdde14659a913c9f476f18c45f1d9489bb.zip Qt-d5491ecdde14659a913c9f476f18c45f1d9489bb.tar.gz Qt-d5491ecdde14659a913c9f476f18c45f1d9489bb.tar.bz2 |
Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt into lighthouse
Conflicts:
configure
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp index daa945c..e5fcdc4 100644 --- a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp @@ -1330,17 +1330,18 @@ DEFINE_STUB_FUNCTION(EncodedJSValue, op_get_by_id_self_fail) if (stubInfo->accessType == access_get_by_id_self) { ASSERT(!stubInfo->stubRoutine); polymorphicStructureList = new PolymorphicAccessStructureList(CodeLocationLabel(), stubInfo->u.getByIdSelf.baseObjectStructure); - stubInfo->initGetByIdSelfList(polymorphicStructureList, 2); + stubInfo->initGetByIdSelfList(polymorphicStructureList, 1); } else { polymorphicStructureList = stubInfo->u.getByIdSelfList.structureList; listIndex = stubInfo->u.getByIdSelfList.listSize; - stubInfo->u.getByIdSelfList.listSize++; } + if (listIndex < POLYMORPHIC_LIST_CACHE_SIZE) { + stubInfo->u.getByIdSelfList.listSize++; + JIT::compileGetByIdSelfList(callFrame->scopeChain()->globalData, codeBlock, stubInfo, polymorphicStructureList, listIndex, asCell(baseValue)->structure(), ident, slot, slot.cachedOffset()); - JIT::compileGetByIdSelfList(callFrame->scopeChain()->globalData, codeBlock, stubInfo, polymorphicStructureList, listIndex, asCell(baseValue)->structure(), ident, slot, slot.cachedOffset()); - - if (listIndex == (POLYMORPHIC_LIST_CACHE_SIZE - 1)) - ctiPatchCallByReturnAddress(codeBlock, STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_generic)); + if (listIndex == (POLYMORPHIC_LIST_CACHE_SIZE - 1)) + ctiPatchCallByReturnAddress(codeBlock, STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_generic)); + } } else ctiPatchCallByReturnAddress(callFrame->codeBlock(), STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_generic)); return JSValue::encode(result); @@ -1365,13 +1366,14 @@ static PolymorphicAccessStructureList* getPolymorphicAccessStructureListSlot(Str case access_get_by_id_proto_list: prototypeStructureList = stubInfo->u.getByIdProtoList.structureList; listIndex = stubInfo->u.getByIdProtoList.listSize; - stubInfo->u.getByIdProtoList.listSize++; + if (listIndex < POLYMORPHIC_LIST_CACHE_SIZE) + stubInfo->u.getByIdProtoList.listSize++; break; default: ASSERT_NOT_REACHED(); } - ASSERT(listIndex < POLYMORPHIC_LIST_CACHE_SIZE); + ASSERT(listIndex <= POLYMORPHIC_LIST_CACHE_SIZE); return prototypeStructureList; } @@ -1446,21 +1448,24 @@ DEFINE_STUB_FUNCTION(EncodedJSValue, op_get_by_id_proto_list) int listIndex; PolymorphicAccessStructureList* prototypeStructureList = getPolymorphicAccessStructureListSlot(stubInfo, listIndex); + if (listIndex < POLYMORPHIC_LIST_CACHE_SIZE) { + JIT::compileGetByIdProtoList(callFrame->scopeChain()->globalData, callFrame, codeBlock, stubInfo, prototypeStructureList, listIndex, structure, slotBaseObject->structure(), propertyName, slot, offset); - JIT::compileGetByIdProtoList(callFrame->scopeChain()->globalData, callFrame, codeBlock, stubInfo, prototypeStructureList, listIndex, structure, slotBaseObject->structure(), propertyName, slot, offset); - - if (listIndex == (POLYMORPHIC_LIST_CACHE_SIZE - 1)) - ctiPatchCallByReturnAddress(codeBlock, STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_proto_list_full)); + if (listIndex == (POLYMORPHIC_LIST_CACHE_SIZE - 1)) + ctiPatchCallByReturnAddress(codeBlock, STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_proto_list_full)); + } } else if (size_t count = normalizePrototypeChain(callFrame, baseValue, slot.slotBase(), propertyName, offset)) { ASSERT(!asCell(baseValue)->structure()->isDictionary()); int listIndex; PolymorphicAccessStructureList* prototypeStructureList = getPolymorphicAccessStructureListSlot(stubInfo, listIndex); + + if (listIndex < POLYMORPHIC_LIST_CACHE_SIZE) { + StructureChain* protoChain = structure->prototypeChain(callFrame); + JIT::compileGetByIdChainList(callFrame->scopeChain()->globalData, callFrame, codeBlock, stubInfo, prototypeStructureList, listIndex, structure, protoChain, count, propertyName, slot, offset); - StructureChain* protoChain = structure->prototypeChain(callFrame); - JIT::compileGetByIdChainList(callFrame->scopeChain()->globalData, callFrame, codeBlock, stubInfo, prototypeStructureList, listIndex, structure, protoChain, count, propertyName, slot, offset); - - if (listIndex == (POLYMORPHIC_LIST_CACHE_SIZE - 1)) - ctiPatchCallByReturnAddress(codeBlock, STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_proto_list_full)); + if (listIndex == (POLYMORPHIC_LIST_CACHE_SIZE - 1)) + ctiPatchCallByReturnAddress(codeBlock, STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_proto_list_full)); + } } else ctiPatchCallByReturnAddress(codeBlock, STUB_RETURN_ADDRESS, FunctionPtr(cti_op_get_by_id_proto_fail)); @@ -2129,6 +2134,7 @@ DEFINE_STUB_FUNCTION(int, op_load_varargs) if (!arguments) { int providedParams = callFrame->registers()[RegisterFile::ArgumentCount].i() - 1; argCount = providedParams; + argCount = min(argCount, static_cast<uint32_t>(Arguments::MaxArguments)); int32_t sizeDelta = argsOffset + argCount + RegisterFile::CallFrameHeaderSize; Register* newEnd = callFrame->registers() + sizeDelta; if (!registerFile->grow(newEnd) || ((newEnd - callFrame->registers()) != sizeDelta)) { @@ -2164,6 +2170,7 @@ DEFINE_STUB_FUNCTION(int, op_load_varargs) if (asObject(arguments)->classInfo() == &Arguments::info) { Arguments* argsObject = asArguments(arguments); argCount = argsObject->numProvidedArguments(callFrame); + argCount = min(argCount, static_cast<uint32_t>(Arguments::MaxArguments)); int32_t sizeDelta = argsOffset + argCount + RegisterFile::CallFrameHeaderSize; Register* newEnd = callFrame->registers() + sizeDelta; if (!registerFile->grow(newEnd) || ((newEnd - callFrame->registers()) != sizeDelta)) { @@ -2174,6 +2181,7 @@ DEFINE_STUB_FUNCTION(int, op_load_varargs) } else if (isJSArray(&callFrame->globalData(), arguments)) { JSArray* array = asArray(arguments); argCount = array->length(); + argCount = min(argCount, static_cast<uint32_t>(Arguments::MaxArguments)); int32_t sizeDelta = argsOffset + argCount + RegisterFile::CallFrameHeaderSize; Register* newEnd = callFrame->registers() + sizeDelta; if (!registerFile->grow(newEnd) || ((newEnd - callFrame->registers()) != sizeDelta)) { @@ -2184,6 +2192,7 @@ DEFINE_STUB_FUNCTION(int, op_load_varargs) } else if (asObject(arguments)->inherits(&JSArray::info)) { JSObject* argObject = asObject(arguments); argCount = argObject->get(callFrame, callFrame->propertyNames().length).toUInt32(callFrame); + argCount = min(argCount, static_cast<uint32_t>(Arguments::MaxArguments)); int32_t sizeDelta = argsOffset + argCount + RegisterFile::CallFrameHeaderSize; Register* newEnd = callFrame->registers() + sizeDelta; if (!registerFile->grow(newEnd) || ((newEnd - callFrame->registers()) != sizeDelta)) { |