diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp')
| -rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp | 775 |
1 files changed, 372 insertions, 403 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp index 847b1fa..53964ad 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp @@ -91,8 +91,8 @@ static int depth(CodeBlock* codeBlock, ScopeChain& sc) #if USE(INTERPRETER) NEVER_INLINE bool Interpreter::resolve(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) { - int dst = (vPC + 1)->u.operand; - int property = (vPC + 2)->u.operand; + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -121,9 +121,9 @@ NEVER_INLINE bool Interpreter::resolveSkip(CallFrame* callFrame, Instruction* vP { CodeBlock* codeBlock = callFrame->codeBlock(); - int dst = (vPC + 1)->u.operand; - int property = (vPC + 2)->u.operand; - int skip = (vPC + 3)->u.operand + codeBlock->needsFullScopeChain(); + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; + int skip = vPC[3].u.operand + codeBlock->needsFullScopeChain(); ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -152,12 +152,12 @@ NEVER_INLINE bool Interpreter::resolveSkip(CallFrame* callFrame, Instruction* vP NEVER_INLINE bool Interpreter::resolveGlobal(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) { - int dst = (vPC + 1)->u.operand; - JSGlobalObject* globalObject = static_cast<JSGlobalObject*>((vPC + 2)->u.jsCell); + int dst = vPC[1].u.operand; + JSGlobalObject* globalObject = static_cast<JSGlobalObject*>(vPC[2].u.jsCell); ASSERT(globalObject->isGlobalObject()); - int property = (vPC + 3)->u.operand; - Structure* structure = (vPC + 4)->u.structure; - int offset = (vPC + 5)->u.operand; + int property = vPC[3].u.operand; + Structure* structure = vPC[4].u.structure; + int offset = vPC[5].u.operand; if (structure == globalObject->structure()) { callFrame->r(dst) = JSValue(globalObject->getDirectOffset(offset)); @@ -192,16 +192,16 @@ NEVER_INLINE bool Interpreter::resolveGlobal(CallFrame* callFrame, Instruction* NEVER_INLINE void Interpreter::resolveBase(CallFrame* callFrame, Instruction* vPC) { - int dst = (vPC + 1)->u.operand; - int property = (vPC + 2)->u.operand; + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; callFrame->r(dst) = JSValue(JSC::resolveBase(callFrame, callFrame->codeBlock()->identifier(property), callFrame->scopeChain())); } NEVER_INLINE bool Interpreter::resolveBaseAndProperty(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) { - int baseDst = (vPC + 1)->u.operand; - int propDst = (vPC + 2)->u.operand; - int property = (vPC + 3)->u.operand; + int baseDst = vPC[1].u.operand; + int propDst = vPC[2].u.operand; + int property = vPC[3].u.operand; ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -233,51 +233,6 @@ NEVER_INLINE bool Interpreter::resolveBaseAndProperty(CallFrame* callFrame, Inst return false; } -NEVER_INLINE bool Interpreter::resolveBaseAndFunc(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue) -{ - int baseDst = (vPC + 1)->u.operand; - int funcDst = (vPC + 2)->u.operand; - int property = (vPC + 3)->u.operand; - - ScopeChainNode* scopeChain = callFrame->scopeChain(); - ScopeChainIterator iter = scopeChain->begin(); - ScopeChainIterator end = scopeChain->end(); - - // FIXME: add scopeDepthIsZero optimization - - ASSERT(iter != end); - - CodeBlock* codeBlock = callFrame->codeBlock(); - Identifier& ident = codeBlock->identifier(property); - JSObject* base; - do { - base = *iter; - PropertySlot slot(base); - if (base->getPropertySlot(callFrame, ident, slot)) { - // ECMA 11.2.3 says that if we hit an activation the this value should be null. - // However, section 10.2.3 says that in the case where the value provided - // by the caller is null, the global object should be used. It also says - // that the section does not apply to internal functions, but for simplicity - // of implementation we use the global object anyway here. This guarantees - // that in host objects you always get a valid object for this. - // We also handle wrapper substitution for the global object at the same time. - JSObject* thisObj = base->toThisObject(callFrame); - JSValue result = slot.getValue(callFrame, ident); - exceptionValue = callFrame->globalData().exception; - if (exceptionValue) - return false; - - callFrame->r(baseDst) = JSValue(thisObj); - callFrame->r(funcDst) = JSValue(result); - return true; - } - ++iter; - } while (iter != end); - - exceptionValue = createUndefinedVariableError(callFrame, ident, vPC - codeBlock->instructions().begin(), codeBlock); - return false; -} - #endif // USE(INTERPRETER) ALWAYS_INLINE CallFrame* Interpreter::slideRegisterWindowForCall(CodeBlock* newCodeBlock, RegisterFile* registerFile, CallFrame* callFrame, size_t registerOffset, int argc) @@ -928,10 +883,10 @@ NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHook #if USE(INTERPRETER) NEVER_INLINE ScopeChainNode* Interpreter::createExceptionScope(CallFrame* callFrame, const Instruction* vPC) { - int dst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; CodeBlock* codeBlock = callFrame->codeBlock(); - Identifier& property = codeBlock->identifier((++vPC)->u.operand); - JSValue value = callFrame->r((++vPC)->u.operand).jsValue(); + Identifier& property = codeBlock->identifier(vPC[2].u.operand); + JSValue value = callFrame->r(vPC[3].u.operand).jsValue(); JSObject* scope = new (callFrame) JSStaticScopeObject(callFrame, property, value, DontDelete); callFrame->r(dst) = JSValue(scope); @@ -983,22 +938,20 @@ NEVER_INLINE void Interpreter::tryCachePutByID(CallFrame* callFrame, CodeBlock* return; } - StructureChain* protoChain = structure->prototypeChain(callFrame); - if (!protoChain->isCacheable()) { - vPC[0] = getOpcode(op_put_by_id_generic); - return; - } - // Structure transition, cache transition info if (slot.type() == PutPropertySlot::NewProperty) { if (structure->isDictionary()) { vPC[0] = getOpcode(op_put_by_id_generic); return; } + + // put_by_id_transition checks the prototype chain for setters. + normalizePrototypeChain(callFrame, baseCell); + vPC[0] = getOpcode(op_put_by_id_transition); vPC[4] = structure->previousID(); vPC[5] = structure; - vPC[6] = protoChain; + vPC[6] = structure->prototypeChain(callFrame); vPC[7] = slot.cachedOffset(); codeBlock->refStructures(vPC); return; @@ -1094,21 +1047,15 @@ NEVER_INLINE void Interpreter::tryCacheGetByID(CallFrame* callFrame, CodeBlock* return; } - size_t count = countPrototypeChainEntriesAndCheckForProxies(callFrame, baseValue, slot); + size_t count = normalizePrototypeChain(callFrame, baseValue, slot.slotBase()); if (!count) { vPC[0] = getOpcode(op_get_by_id_generic); return; } - StructureChain* protoChain = structure->prototypeChain(callFrame); - if (!protoChain->isCacheable()) { - vPC[0] = getOpcode(op_get_by_id_generic); - return; - } - vPC[0] = getOpcode(op_get_by_id_chain); vPC[4] = structure; - vPC[5] = protoChain; + vPC[5] = structure->prototypeChain(callFrame); vPC[6] = count; vPC[7] = slot.cachedOffset(); codeBlock->refStructures(vPC); @@ -1213,10 +1160,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Constructs a new empty Object instance using the original constructor, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; callFrame->r(dst) = JSValue(constructEmptyObject(callFrame)); - ++vPC; + vPC += OPCODE_LENGTH(op_new_object); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_new_array) { @@ -1227,13 +1174,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi The array will contain argCount elements with values taken from registers starting at register firstArg. */ - int dst = (++vPC)->u.operand; - int firstArg = (++vPC)->u.operand; - int argCount = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int firstArg = vPC[2].u.operand; + int argCount = vPC[3].u.operand; ArgList args(callFrame->registers() + firstArg, argCount); callFrame->r(dst) = JSValue(constructArray(callFrame, args)); - ++vPC; + vPC += OPCODE_LENGTH(op_new_array); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_new_regexp) { @@ -1243,11 +1190,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constructor from regexp regExp, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int regExp = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int regExp = vPC[2].u.operand; callFrame->r(dst) = JSValue(new (globalData) RegExpObject(callFrame->scopeChain()->globalObject->regExpStructure(), callFrame->codeBlock()->regexp(regExp))); - ++vPC; + vPC += OPCODE_LENGTH(op_new_regexp); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_mov) { @@ -1255,11 +1202,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Copies register src to register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = callFrame->r(src); - ++vPC; + vPC += OPCODE_LENGTH(op_mov); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_eq) { @@ -1269,9 +1216,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi as with the ECMAScript '==' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsBoolean(src1.asInt32() == src2.asInt32()); else { @@ -1280,7 +1227,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_eq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_eq_null) { @@ -1289,17 +1236,17 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Checks whether register src is null, as with the ECMAScript '!=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isUndefinedOrNull()) { callFrame->r(dst) = jsBoolean(true); - ++vPC; + vPC += OPCODE_LENGTH(op_eq_null); NEXT_INSTRUCTION(); } callFrame->r(dst) = jsBoolean(src.isCell() && src.asCell()->structure()->typeInfo().masqueradesAsUndefined()); - ++vPC; + vPC += OPCODE_LENGTH(op_eq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_neq) { @@ -1309,9 +1256,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi equal, as with the ECMAScript '!=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsBoolean(src1.asInt32() != src2.asInt32()); else { @@ -1320,7 +1267,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_neq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_neq_null) { @@ -1329,17 +1276,17 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Checks whether register src is not null, as with the ECMAScript '!=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isUndefinedOrNull()) { callFrame->r(dst) = jsBoolean(false); - ++vPC; + vPC += OPCODE_LENGTH(op_neq_null); NEXT_INSTRUCTION(); } callFrame->r(dst) = jsBoolean(!src.isCell() || !asCell(src)->structure()->typeInfo().masqueradesAsUndefined()); - ++vPC; + vPC += OPCODE_LENGTH(op_neq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_stricteq) { @@ -1349,12 +1296,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi equal, as with the ECMAScript '===' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); callFrame->r(dst) = jsBoolean(JSValue::strictEqual(src1, src2)); - ++vPC; + vPC += OPCODE_LENGTH(op_stricteq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_nstricteq) { @@ -1364,12 +1311,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi strictly equal, as with the ECMAScript '!==' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); callFrame->r(dst) = jsBoolean(!JSValue::strictEqual(src1, src2)); - ++vPC; + vPC += OPCODE_LENGTH(op_nstricteq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_less) { @@ -1379,14 +1326,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi with the ECMAScript '<' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); JSValue result = jsBoolean(jsLess(callFrame, src1, src2)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_less); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_lesseq) { @@ -1396,14 +1343,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register src2, as with the ECMAScript '<=' operator, and puts the result as a boolean in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); JSValue result = jsBoolean(jsLessEq(callFrame, src1, src2)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_lesseq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_pre_inc) { @@ -1412,7 +1359,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register srcDst to number, adds one, and puts the result back in register srcDst. */ - int srcDst = (++vPC)->u.operand; + int srcDst = vPC[1].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() < INT_MAX) callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() + 1); @@ -1422,7 +1369,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(srcDst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_pre_inc); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_pre_dec) { @@ -1431,7 +1378,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register srcDst to number, subtracts one, and puts the result back in register srcDst. */ - int srcDst = (++vPC)->u.operand; + int srcDst = vPC[1].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() > INT_MIN) callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() - 1); @@ -1441,7 +1388,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(srcDst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_pre_dec); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_post_inc) { @@ -1451,8 +1398,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi written to register dst, and the number plus one is written back to register srcDst. */ - int dst = (++vPC)->u.operand; - int srcDst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int srcDst = vPC[2].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() < INT_MAX) { callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() + 1); @@ -1464,7 +1411,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = number; } - ++vPC; + vPC += OPCODE_LENGTH(op_post_inc); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_post_dec) { @@ -1474,8 +1421,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi written to register dst, and the number minus one is written back to register srcDst. */ - int dst = (++vPC)->u.operand; - int srcDst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int srcDst = vPC[2].u.operand; JSValue v = callFrame->r(srcDst).jsValue(); if (v.isInt32() && v.asInt32() > INT_MIN) { callFrame->r(srcDst) = jsNumber(callFrame, v.asInt32() - 1); @@ -1487,7 +1434,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = number; } - ++vPC; + vPC += OPCODE_LENGTH(op_post_dec); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_to_jsnumber) { @@ -1496,8 +1443,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register src to number, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; JSValue srcVal = callFrame->r(src).jsValue(); @@ -1509,7 +1456,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_to_jsnumber); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_negate) { @@ -1518,8 +1465,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Converts register src to number, negates it, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isInt32() && src.asInt32()) callFrame->r(dst) = jsNumber(callFrame, -src.asInt32()); else { @@ -1528,7 +1475,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_negate); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_add) { @@ -1538,9 +1485,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi in register dst. (JS add may be string concatenation or numeric add, depending on the types of the operands.) */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | src2.asInt32() & 0xc0000000)) // no overflow callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() + src2.asInt32()); else { @@ -1548,7 +1495,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_add); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_mul) { @@ -1557,9 +1504,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Multiplies register src1 and register src2 (converted to numbers), and puts the product in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | src2.asInt32() >> 15)) // no overflow callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() * src2.asInt32()); else { @@ -1568,7 +1515,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_mul); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_div) { @@ -1578,15 +1525,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register divisor (converted to number), and puts the quotient in register dst. */ - int dst = (++vPC)->u.operand; - JSValue dividend = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue divisor = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue dividend = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue divisor = callFrame->r(vPC[3].u.operand).jsValue(); JSValue result = jsNumber(callFrame, dividend.toNumber(callFrame) / divisor.toNumber(callFrame)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - vPC += 2; + vPC += OPCODE_LENGTH(op_div); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_mod) { @@ -1596,15 +1543,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register divisor (converted to number), and puts the remainder in register dst. */ - int dst = (++vPC)->u.operand; - JSValue dividend = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue divisor = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue dividend = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue divisor = callFrame->r(vPC[3].u.operand).jsValue(); if (dividend.isInt32() && divisor.isInt32() && divisor.asInt32() != 0) { JSValue result = jsNumber(callFrame, dividend.asInt32() % divisor.asInt32()); ASSERT(result); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_mod); NEXT_INSTRUCTION(); } @@ -1615,7 +1562,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi JSValue result = jsNumber(callFrame, fmod(d1, d2)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_mod); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_sub) { @@ -1625,9 +1572,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi src1 (converted to number), and puts the difference in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32() && !(src1.asInt32() | src2.asInt32() & 0xc0000000)) // no overflow callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() - src2.asInt32()); else { @@ -1635,7 +1582,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_sub); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_lshift) { @@ -1645,9 +1592,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register shift (converted to uint32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue val = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue shift = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue val = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue shift = callFrame->r(vPC[3].u.operand).jsValue(); if (val.isInt32() && shift.isInt32()) callFrame->r(dst) = jsNumber(callFrame, val.asInt32() << (shift.asInt32() & 0x1f)); @@ -1657,7 +1604,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_lshift); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_rshift) { @@ -1667,9 +1614,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi to int32) by register shift (converted to uint32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue val = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue shift = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue val = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue shift = callFrame->r(vPC[3].u.operand).jsValue(); if (val.isInt32() && shift.isInt32()) callFrame->r(dst) = jsNumber(callFrame, val.asInt32() >> (shift.asInt32() & 0x1f)); @@ -1679,7 +1626,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_rshift); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_urshift) { @@ -1689,9 +1636,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi to uint32) by register shift (converted to uint32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue val = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue shift = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue val = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue shift = callFrame->r(vPC[3].u.operand).jsValue(); if (val.isUInt32() && shift.isInt32()) callFrame->r(dst) = jsNumber(callFrame, val.asInt32() >> (shift.asInt32() & 0x1f)); else { @@ -1700,7 +1647,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_urshift); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitand) { @@ -1710,9 +1657,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and register src2 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() & src2.asInt32()); else { @@ -1721,7 +1668,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_bitand); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitxor) { @@ -1731,9 +1678,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and register src2 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() ^ src2.asInt32()); else { @@ -1742,7 +1689,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_bitxor); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitor) { @@ -1752,9 +1699,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and register src2 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src1 = callFrame->r(vPC[2].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[3].u.operand).jsValue(); if (src1.isInt32() && src2.isInt32()) callFrame->r(dst) = jsNumber(callFrame, src1.asInt32() | src2.asInt32()); else { @@ -1763,7 +1710,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = result; } - vPC += 2; + vPC += OPCODE_LENGTH(op_bitor); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_bitnot) { @@ -1772,8 +1719,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Computes bitwise NOT of register src1 (converted to int32), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - JSValue src = callFrame->r((++vPC)->u.operand).jsValue(); + int dst = vPC[1].u.operand; + JSValue src = callFrame->r(vPC[2].u.operand).jsValue(); if (src.isInt32()) callFrame->r(dst) = jsNumber(callFrame, ~src.asInt32()); else { @@ -1781,7 +1728,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; } - ++vPC; + vPC += OPCODE_LENGTH(op_bitnot); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_not) { @@ -1790,13 +1737,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Computes logical NOT of register src (converted to boolean), and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; JSValue result = jsBoolean(!callFrame->r(src).jsValue().toBoolean(callFrame)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_not); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_instanceof) { @@ -1826,7 +1773,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = jsBoolean(result); - vPC += 5; + vPC += OPCODE_LENGTH(op_instanceof); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_typeof) { @@ -1835,11 +1782,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Determines the type string for src according to ECMAScript rules, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = JSValue(jsTypeStringForValue(callFrame, callFrame->r(src).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_typeof); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_undefined) { @@ -1849,12 +1796,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "undefined", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; JSValue v = callFrame->r(src).jsValue(); callFrame->r(dst) = jsBoolean(v.isCell() ? v.asCell()->structure()->typeInfo().masqueradesAsUndefined() : v.isUndefined()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_undefined); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_boolean) { @@ -1864,11 +1811,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "boolean", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isBoolean()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_boolean); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_number) { @@ -1878,11 +1825,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "number", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isNumber()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_number); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_string) { @@ -1892,11 +1839,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "string", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isString()); - ++vPC; + vPC += OPCODE_LENGTH(op_is_string); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_object) { @@ -1906,11 +1853,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "object", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(jsIsObjectType(callFrame->r(src).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_is_object); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_is_function) { @@ -1920,11 +1867,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi the ECMAScript rules is "function", and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = jsBoolean(jsIsFunctionType(callFrame->r(src).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_is_function); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_in) { @@ -1936,9 +1883,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Raises an exception if register constructor is not an object. */ - int dst = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int base = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int property = vPC[2].u.operand; + int base = vPC[3].u.operand; JSValue baseVal = callFrame->r(base).jsValue(); if (isInvalidParamForIn(callFrame, callFrame->codeBlock(), vPC, baseVal, exceptionValue)) @@ -1957,7 +1904,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = jsBoolean(baseObj->hasProperty(callFrame, property)); } - ++vPC; + vPC += OPCODE_LENGTH(op_in); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve) { @@ -1970,7 +1917,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolve(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 3; + vPC += OPCODE_LENGTH(op_resolve); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve_skip) { @@ -1983,7 +1930,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolveSkip(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 4; + vPC += OPCODE_LENGTH(op_resolve_skip); NEXT_INSTRUCTION(); } @@ -1998,7 +1945,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolveGlobal(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 6; + vPC += OPCODE_LENGTH(op_resolve_global); NEXT_INSTRUCTION(); } @@ -2007,13 +1954,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Gets the global var at global slot index and places it in register dst. */ - int dst = (++vPC)->u.operand; - JSGlobalObject* scope = static_cast<JSGlobalObject*>((++vPC)->u.jsCell); + int dst = vPC[1].u.operand; + JSGlobalObject* scope = static_cast<JSGlobalObject*>(vPC[2].u.jsCell); ASSERT(scope->isGlobalObject()); - int index = (++vPC)->u.operand; + int index = vPC[3].u.operand; callFrame->r(dst) = scope->registerAt(index); - ++vPC; + vPC += OPCODE_LENGTH(op_get_global_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_global_var) { @@ -2021,13 +1968,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Puts value into global slot index. */ - JSGlobalObject* scope = static_cast<JSGlobalObject*>((++vPC)->u.jsCell); + JSGlobalObject* scope = static_cast<JSGlobalObject*>(vPC[1].u.jsCell); ASSERT(scope->isGlobalObject()); - int index = (++vPC)->u.operand; - int value = (++vPC)->u.operand; + int index = vPC[2].u.operand; + int value = vPC[3].u.operand; scope->registerAt(index) = JSValue(callFrame->r(value).jsValue()); - ++vPC; + vPC += OPCODE_LENGTH(op_put_global_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_scoped_var) { @@ -2036,9 +1983,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Loads the contents of the index-th local from the scope skip nodes from the top of the scope chain, and places it in register dst */ - int dst = (++vPC)->u.operand; - int index = (++vPC)->u.operand; - int skip = (++vPC)->u.operand + callFrame->codeBlock()->needsFullScopeChain(); + int dst = vPC[1].u.operand; + int index = vPC[2].u.operand; + int skip = vPC[3].u.operand + callFrame->codeBlock()->needsFullScopeChain(); ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -2052,16 +1999,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT((*iter)->isVariableObject()); JSVariableObject* scope = static_cast<JSVariableObject*>(*iter); callFrame->r(dst) = scope->registerAt(index); - ++vPC; + vPC += OPCODE_LENGTH(op_get_scoped_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_scoped_var) { /* put_scoped_var index(n) skip(n) value(r) */ - int index = (++vPC)->u.operand; - int skip = (++vPC)->u.operand + callFrame->codeBlock()->needsFullScopeChain(); - int value = (++vPC)->u.operand; + int index = vPC[1].u.operand; + int skip = vPC[2].u.operand + callFrame->codeBlock()->needsFullScopeChain(); + int value = vPC[3].u.operand; ScopeChainNode* scopeChain = callFrame->scopeChain(); ScopeChainIterator iter = scopeChain->begin(); @@ -2075,7 +2022,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT((*iter)->isVariableObject()); JSVariableObject* scope = static_cast<JSVariableObject*>(*iter); scope->registerAt(index) = JSValue(callFrame->r(value).jsValue()); - ++vPC; + vPC += OPCODE_LENGTH(op_put_scoped_var); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve_base) { @@ -2088,7 +2035,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ resolveBase(callFrame, vPC); - vPC += 3; + vPC += OPCODE_LENGTH(op_resolve_base); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_resolve_with_base) { @@ -2106,7 +2053,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (UNLIKELY(!resolveBaseAndProperty(callFrame, vPC, exceptionValue))) goto vm_throw; - vPC += 4; + vPC += OPCODE_LENGTH(op_resolve_with_base); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id) { @@ -2129,7 +2076,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi tryCacheGetByID(callFrame, codeBlock, vPC, baseValue, ident, slot); callFrame->r(dst) = result; - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id_self) { @@ -2155,7 +2102,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(baseObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == baseObject->getDirectOffset(offset)); callFrame->r(dst) = JSValue(baseObject->getDirectOffset(offset)); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_self); NEXT_INSTRUCTION(); } } @@ -2189,7 +2136,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(protoObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == protoObject->getDirectOffset(offset)); callFrame->r(dst) = JSValue(protoObject->getDirectOffset(offset)); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_proto); NEXT_INSTRUCTION(); } } @@ -2202,14 +2149,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi // Polymorphic self access caching currently only supported when JITting. ASSERT_NOT_REACHED(); // This case of the switch must not be empty, else (op_get_by_id_self_list == op_get_by_id_chain)! - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_self_list); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id_proto_list) { // Polymorphic prototype access caching currently only supported when JITting. ASSERT_NOT_REACHED(); // This case of the switch must not be empty, else (op_get_by_id_proto_list == op_get_by_id_chain)! - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_proto_list); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_id_chain) { @@ -2244,7 +2191,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(baseObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == baseObject->getDirectOffset(offset)); callFrame->r(dst) = JSValue(baseObject->getDirectOffset(offset)); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_chain); NEXT_INSTRUCTION(); } @@ -2274,7 +2221,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - vPC += 8; + vPC += OPCODE_LENGTH(op_get_by_id_generic); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_array_length) { @@ -2290,7 +2237,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (LIKELY(isJSArray(globalData, baseValue))) { int dst = vPC[1].u.operand; callFrame->r(dst) = jsNumber(callFrame, asArray(baseValue)->length()); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_array_length); NEXT_INSTRUCTION(); } @@ -2310,7 +2257,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (LIKELY(isJSString(globalData, baseValue))) { int dst = vPC[1].u.operand; callFrame->r(dst) = jsNumber(callFrame, asString(baseValue)->value().size()); - vPC += 8; + vPC += OPCODE_LENGTH(op_get_string_length); NEXT_INSTRUCTION(); } @@ -2340,7 +2287,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi tryCachePutByID(callFrame, codeBlock, vPC, baseValue, slot); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_by_id_transition) { @@ -2385,7 +2332,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(baseObject->offsetForLocation(baseObject->getDirectLocation(callFrame->codeBlock()->identifier(vPC[2].u.operand))) == offset); baseObject->putDirectOffset(offset, callFrame->r(value).jsValue()); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id_transition); NEXT_INSTRUCTION(); } } @@ -2420,7 +2367,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(baseObject->offsetForLocation(baseObject->getDirectLocation(callFrame->codeBlock()->identifier(vPC[2].u.operand))) == offset); baseObject->putDirectOffset(offset, callFrame->r(value).jsValue()); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id_replace); NEXT_INSTRUCTION(); } } @@ -2447,7 +2394,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi baseValue.put(callFrame, ident, callFrame->r(value).jsValue(), slot); CHECK_FOR_EXCEPTION(); - vPC += 8; + vPC += OPCODE_LENGTH(op_put_by_id_generic); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_del_by_id) { @@ -2458,16 +2405,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi boolean indicating success (if true) or failure (if false) to register dst. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; JSObject* baseObj = callFrame->r(base).jsValue().toObject(callFrame); Identifier& ident = callFrame->codeBlock()->identifier(property); JSValue result = jsBoolean(baseObj->deleteProperty(callFrame, ident)); CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_del_by_id); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_by_val) { @@ -2478,9 +2425,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi in register dst. property is nominally converted to string but numbers are treated more efficiently. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; JSValue baseValue = callFrame->r(base).jsValue(); JSValue subscript = callFrame->r(property).jsValue(); @@ -2508,7 +2455,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_get_by_val); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_by_val) { @@ -2522,9 +2469,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Unlike many opcodes, this one does not write any output to the register file. */ - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int value = (++vPC)->u.operand; + int base = vPC[1].u.operand; + int property = vPC[2].u.operand; + int value = vPC[3].u.operand; JSValue baseValue = callFrame->r(base).jsValue(); JSValue subscript = callFrame->r(property).jsValue(); @@ -2558,7 +2505,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi } CHECK_FOR_EXCEPTION(); - ++vPC; + vPC += OPCODE_LENGTH(op_put_by_val); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_del_by_val) { @@ -2569,9 +2516,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi boolean indicating success (if true) or failure (if false) to register dst. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; JSObject* baseObj = callFrame->r(base).jsValue().toObject(callFrame); // may throw @@ -2589,7 +2536,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = result; - ++vPC; + vPC += OPCODE_LENGTH(op_del_by_val); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_by_index) { @@ -2604,13 +2551,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi This opcode is mainly used to initialize array literals. */ - int base = (++vPC)->u.operand; - unsigned property = (++vPC)->u.operand; - int value = (++vPC)->u.operand; + int base = vPC[1].u.operand; + unsigned property = vPC[2].u.operand; + int value = vPC[3].u.operand; callFrame->r(base).jsValue().put(callFrame, property, callFrame->r(value).jsValue()); - ++vPC; + vPC += OPCODE_LENGTH(op_put_by_index); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_loop) { @@ -2625,7 +2572,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi #if ENABLE(OPCODE_STATS) OpcodeStats::resetLastInstruction(); #endif - int target = (++vPC)->u.operand; + int target = vPC[1].u.operand; CHECK_FOR_TIMEOUT(); vPC += target; NEXT_INSTRUCTION(); @@ -2639,7 +2586,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi #if ENABLE(OPCODE_STATS) OpcodeStats::resetLastInstruction(); #endif - int target = (++vPC)->u.operand; + int target = vPC[1].u.operand; vPC += target; NEXT_INSTRUCTION(); @@ -2653,15 +2600,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Additionally this loop instruction may terminate JS execution is the JS timeout is reached. */ - int cond = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int cond = vPC[1].u.operand; + int target = vPC[2].u.operand; if (callFrame->r(cond).jsValue().toBoolean(callFrame)) { vPC += target; CHECK_FOR_TIMEOUT(); NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_loop_if_true); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jtrue) { @@ -2670,14 +2617,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register cond converts to boolean as true. */ - int cond = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int cond = vPC[1].u.operand; + int target = vPC[2].u.operand; if (callFrame->r(cond).jsValue().toBoolean(callFrame)) { vPC += target; NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jtrue); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jfalse) { @@ -2686,14 +2633,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register cond converts to boolean as false. */ - int cond = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int cond = vPC[1].u.operand; + int target = vPC[2].u.operand; if (!callFrame->r(cond).jsValue().toBoolean(callFrame)) { vPC += target; NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jfalse); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jeq_null) { @@ -2702,8 +2649,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register src is null. */ - int src = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int src = vPC[1].u.operand; + int target = vPC[2].u.operand; JSValue srcValue = callFrame->r(src).jsValue(); if (srcValue.isUndefinedOrNull() || (srcValue.isCell() && srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) { @@ -2711,7 +2658,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jeq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jneq_null) { @@ -2720,8 +2667,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if and only if register src is not null. */ - int src = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int src = vPC[1].u.operand; + int target = vPC[2].u.operand; JSValue srcValue = callFrame->r(src).jsValue(); if (!srcValue.isUndefinedOrNull() || (srcValue.isCell() && !srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) { @@ -2729,7 +2676,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jneq_null); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jneq_ptr) { @@ -2738,16 +2685,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Jumps to offset target from the current instruction, if the value r is equal to ptr, using pointer equality. */ - int src = (++vPC)->u.operand; - JSValue ptr = JSValue((++vPC)->u.jsCell); - int target = (++vPC)->u.operand; + int src = vPC[1].u.operand; + JSValue ptr = JSValue(vPC[2].u.jsCell); + int target = vPC[3].u.operand; JSValue srcValue = callFrame->r(src).jsValue(); if (srcValue != ptr) { vPC += target; NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jneq_ptr); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_loop_if_less) { @@ -2761,9 +2708,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Additionally this loop instruction may terminate JS execution is the JS timeout is reached. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLess(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2774,7 +2721,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_loop_if_less); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_loop_if_lesseq) { @@ -2788,9 +2735,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Additionally this loop instruction may terminate JS execution is the JS timeout is reached. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLessEq(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2801,7 +2748,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_loop_if_lesseq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jnless) { @@ -2812,9 +2759,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi target from the current instruction, if and only if the result of the comparison is false. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLess(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2824,7 +2771,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jnless); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jnlesseq) { @@ -2835,9 +2782,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi and then jumps to offset target from the current instruction, if and only if theresult of the comparison is false. */ - JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue(); - JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue(); - int target = (++vPC)->u.operand; + JSValue src1 = callFrame->r(vPC[1].u.operand).jsValue(); + JSValue src2 = callFrame->r(vPC[2].u.operand).jsValue(); + int target = vPC[3].u.operand; bool result = jsLessEq(callFrame, src1, src2); CHECK_FOR_EXCEPTION(); @@ -2847,7 +2794,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } - ++vPC; + vPC += OPCODE_LENGTH(op_jnlesseq); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_switch_imm) { @@ -2859,9 +2806,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi table, and the value at jumpTable[scrutinee value] is non-zero, then that value is used as the jump offset, otherwise defaultOffset is used. */ - int tableIndex = (++vPC)->u.operand; - int defaultOffset = (++vPC)->u.operand; - JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue(); + int tableIndex = vPC[1].u.operand; + int defaultOffset = vPC[2].u.operand; + JSValue scrutinee = callFrame->r(vPC[3].u.operand).jsValue(); if (scrutinee.isInt32()) vPC += callFrame->codeBlock()->immediateSwitchJumpTable(tableIndex).offsetForValue(scrutinee.asInt32(), defaultOffset); else { @@ -2883,9 +2830,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi table, and the value at jumpTable[scrutinee value] is non-zero, then that value is used as the jump offset, otherwise defaultOffset is used. */ - int tableIndex = (++vPC)->u.operand; - int defaultOffset = (++vPC)->u.operand; - JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue(); + int tableIndex = vPC[1].u.operand; + int defaultOffset = vPC[2].u.operand; + JSValue scrutinee = callFrame->r(vPC[3].u.operand).jsValue(); if (!scrutinee.isString()) vPC += defaultOffset; else { @@ -2906,9 +2853,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi jump table, then the value associated with the string is used as the jump offset, otherwise defaultOffset is used. */ - int tableIndex = (++vPC)->u.operand; - int defaultOffset = (++vPC)->u.operand; - JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue(); + int tableIndex = vPC[1].u.operand; + int defaultOffset = vPC[2].u.operand; + JSValue scrutinee = callFrame->r(vPC[3].u.operand).jsValue(); if (!scrutinee.isString()) vPC += defaultOffset; else @@ -2923,12 +2870,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constructor, using the rules for function declarations, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int func = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int func = vPC[2].u.operand; callFrame->r(dst) = JSValue(callFrame->codeBlock()->functionDecl(func)->make(callFrame, callFrame->scopeChain())); - ++vPC; + vPC += OPCODE_LENGTH(op_new_func); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_new_func_exp) { @@ -2939,8 +2886,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constructor, using the rules for function expressions, and puts the result in register dst. */ - int dst = (++vPC)->u.operand; - int funcIndex = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int funcIndex = vPC[2].u.operand; FunctionExecutable* function = callFrame->codeBlock()->functionExpr(funcIndex); JSFunction* func = function->make(callFrame, callFrame->scopeChain()); @@ -2959,7 +2906,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = JSValue(func); - ++vPC; + vPC += OPCODE_LENGTH(op_new_func_exp); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_call_eval) { @@ -2992,7 +2939,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi goto vm_throw; callFrame->r(dst) = result; - vPC += 5; + vPC += OPCODE_LENGTH(op_call_eval); NEXT_INSTRUCTION(); } @@ -3066,7 +3013,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = returnValue; - vPC += 5; + vPC += OPCODE_LENGTH(op_call); NEXT_INSTRUCTION(); } @@ -3076,8 +3023,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi goto vm_throw; } DEFINE_OPCODE(op_load_varargs) { - int argCountDst = (++vPC)->u.operand; - int argsOffset = (++vPC)->u.operand; + int argCountDst = vPC[1].u.operand; + int argsOffset = vPC[2].u.operand; JSValue arguments = callFrame->r(argsOffset).jsValue(); int32_t argCount = 0; @@ -3149,7 +3096,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi } CHECK_FOR_EXCEPTION(); callFrame->r(argCountDst) = Register::withInt(argCount + 1); - ++vPC; + vPC += OPCODE_LENGTH(op_load_varargs); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_call_varargs) { @@ -3220,7 +3167,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(dst) = returnValue; - vPC += 5; + vPC += OPCODE_LENGTH(op_call_varargs); NEXT_INSTRUCTION(); } @@ -3242,12 +3189,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi This opcode should only be used immediately before op_ret. */ - int src = (++vPC)->u.operand; + int src = vPC[1].u.operand; ASSERT(callFrame->codeBlock()->needsFullScopeChain()); asActivation(callFrame->r(src).jsValue())->copyRegisters(callFrame->optionalCalleeArguments()); - ++vPC; + vPC += OPCODE_LENGTH(op_tear_off_activation); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_tear_off_arguments) { @@ -3268,7 +3215,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (callFrame->optionalCalleeArguments()) callFrame->optionalCalleeArguments()->copyRegisters(); - ++vPC; + vPC += OPCODE_LENGTH(op_tear_off_arguments); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_ret) { @@ -3281,7 +3228,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register base to those of the calling function. */ - int result = (++vPC)->u.operand; + int result = vPC[1].u.operand; if (callFrame->codeBlock()->needsFullScopeChain()) callFrame->scopeChain()->deref(); @@ -3316,7 +3263,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi for (size_t count = codeBlock->m_numVars; i < count; ++i) callFrame->r(i) = jsUndefined(); - ++vPC; + vPC += OPCODE_LENGTH(op_enter); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_enter_with_activation) { @@ -3338,12 +3285,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi for (size_t count = codeBlock->m_numVars; i < count; ++i) callFrame->r(i) = jsUndefined(); - int dst = (++vPC)->u.operand; + int dst = vPC[1].u.operand; JSActivation* activation = new (globalData) JSActivation(callFrame, static_cast<FunctionExecutable*>(codeBlock->ownerExecutable())); callFrame->r(dst) = JSValue(activation); callFrame->setScopeChain(callFrame->scopeChain()->copy()->push(activation)); - ++vPC; + vPC += OPCODE_LENGTH(op_enter_with_activation); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_convert_this) { @@ -3358,12 +3305,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi block. */ - int thisRegister = (++vPC)->u.operand; + int thisRegister = vPC[1].u.operand; JSValue thisVal = callFrame->r(thisRegister).jsValue(); if (thisVal.needsThisConversion()) callFrame->r(thisRegister) = JSValue(thisVal.toThisObject(callFrame)); - ++vPC; + vPC += OPCODE_LENGTH(op_convert_this); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_init_arguments) { @@ -3377,7 +3324,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi block. */ callFrame->r(RegisterFile::ArgumentsRegister) = JSValue(); - ++vPC; + vPC += OPCODE_LENGTH(op_init_arguments); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_create_arguments) { @@ -3393,7 +3340,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->setCalleeArguments(arguments); callFrame->r(RegisterFile::ArgumentsRegister) = JSValue(arguments); } - ++vPC; + vPC += OPCODE_LENGTH(op_create_arguments); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_construct) { @@ -3471,7 +3418,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi CHECK_FOR_EXCEPTION(); callFrame->r(dst) = JSValue(returnValue); - vPC += 7; + vPC += OPCODE_LENGTH(op_construct); NEXT_INSTRUCTION(); } @@ -3489,32 +3436,32 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi int dst = vPC[1].u.operand; if (LIKELY(callFrame->r(dst).jsValue().isObject())) { - vPC += 3; + vPC += OPCODE_LENGTH(op_construct_verify); NEXT_INSTRUCTION(); } int override = vPC[2].u.operand; callFrame->r(dst) = callFrame->r(override); - vPC += 3; + vPC += OPCODE_LENGTH(op_construct_verify); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_strcat) { - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; - int count = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; + int count = vPC[3].u.operand; callFrame->r(dst) = concatenateStrings(callFrame, &callFrame->registers()[src], count); - ++vPC; + vPC += OPCODE_LENGTH(op_strcat); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_to_primitive) { - int dst = (++vPC)->u.operand; - int src = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int src = vPC[2].u.operand; callFrame->r(dst) = callFrame->r(src).jsValue().toPrimitive(callFrame); - ++vPC; + vPC += OPCODE_LENGTH(op_to_primitive); NEXT_INSTRUCTION(); } @@ -3525,7 +3472,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi of the current scope chain. The contents of the register scope are replaced by the result of toObject conversion of the scope. */ - int scope = (++vPC)->u.operand; + int scope = vPC[1].u.operand; JSValue v = callFrame->r(scope).jsValue(); JSObject* o = v.toObject(callFrame); CHECK_FOR_EXCEPTION(); @@ -3533,7 +3480,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi callFrame->r(scope) = JSValue(o); callFrame->setScopeChain(callFrame->scopeChain()->push(o)); - ++vPC; + vPC += OPCODE_LENGTH(op_push_scope); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_pop_scope) { @@ -3543,47 +3490,69 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ callFrame->setScopeChain(callFrame->scopeChain()->pop()); - ++vPC; + vPC += OPCODE_LENGTH(op_pop_scope); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_get_pnames) { - /* get_pnames dst(r) base(r) + /* get_pnames dst(r) base(r) i(n) size(n) breakTarget(offset) Creates a property name list for register base and puts it - in register dst. This is not a true JavaScript value, just - a synthetic value used to keep the iteration state in a - register. + in register dst, initializing i and size for iteration. If + base is undefined or null, jumps to breakTarget. */ - int dst = (++vPC)->u.operand; - int base = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int i = vPC[3].u.operand; + int size = vPC[4].u.operand; + int breakTarget = vPC[5].u.operand; + + JSValue v = callFrame->r(base).jsValue(); + if (v.isUndefinedOrNull()) { + vPC += breakTarget; + NEXT_INSTRUCTION(); + } + + JSObject* o = v.toObject(callFrame); + Structure* structure = o->structure(); + JSPropertyNameIterator* jsPropertyNameIterator = structure->enumerationCache(); + if (!jsPropertyNameIterator || jsPropertyNameIterator->cachedPrototypeChain() != structure->prototypeChain(callFrame)) + jsPropertyNameIterator = JSPropertyNameIterator::create(callFrame, o); - callFrame->r(dst) = JSPropertyNameIterator::create(callFrame, callFrame->r(base).jsValue()); - ++vPC; + callFrame->r(dst) = jsPropertyNameIterator; + callFrame->r(base) = JSValue(o); + callFrame->r(i) = Register::withInt(0); + callFrame->r(size) = Register::withInt(jsPropertyNameIterator->size()); + vPC += OPCODE_LENGTH(op_get_pnames); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_next_pname) { - /* next_pname dst(r) iter(r) target(offset) + /* next_pname dst(r) base(r) i(n) size(n) iter(r) target(offset) - Tries to copies the next name from property name list in - register iter. If there are names left, then copies one to - register dst, and jumps to offset target. If there are none - left, invalidates the iterator and continues to the next + Copies the next name from the property name list in + register iter to dst, then jumps to offset target. If there are no + names left, invalidates the iterator and continues to the next instruction. */ - int dst = (++vPC)->u.operand; - int iter = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int i = vPC[3].u.operand; + int size = vPC[4].u.operand; + int iter = vPC[5].u.operand; + int target = vPC[6].u.operand; JSPropertyNameIterator* it = callFrame->r(iter).propertyNameIterator(); - if (JSValue temp = it->next(callFrame)) { - CHECK_FOR_TIMEOUT(); - callFrame->r(dst) = JSValue(temp); - vPC += target; - NEXT_INSTRUCTION(); + while (callFrame->r(i).i() != callFrame->r(size).i()) { + JSValue key = it->get(callFrame, asObject(callFrame->r(base).jsValue()), callFrame->r(i).i()); + callFrame->r(i) = Register::withInt(callFrame->r(i).i() + 1); + if (key) { + CHECK_FOR_TIMEOUT(); + callFrame->r(dst) = key; + vPC += target; + NEXT_INSTRUCTION(); + } } - it->invalidate(); - ++vPC; + vPC += OPCODE_LENGTH(op_next_pname); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_jmp_scopes) { @@ -3593,8 +3562,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi specified by immediate number count, then jumps to offset target. */ - int count = (++vPC)->u.operand; - int target = (++vPC)->u.operand; + int count = vPC[1].u.operand; + int target = vPC[2].u.operand; ScopeChainNode* tmp = callFrame->scopeChain(); while (count--) @@ -3617,7 +3586,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ callFrame->setScopeChain(createExceptionScope(callFrame, vPC)); - vPC += 4; + vPC += OPCODE_LENGTH(op_push_new_scope); NEXT_INSTRUCTION(); } #if HAVE(COMPUTED_GOTO) @@ -3632,11 +3601,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ ASSERT(exceptionValue); ASSERT(!globalData->exception); - int ex = (++vPC)->u.operand; + int ex = vPC[1].u.operand; callFrame->r(ex) = exceptionValue; exceptionValue = JSValue(); - ++vPC; + vPC += OPCODE_LENGTH(op_catch); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_throw) { @@ -3650,7 +3619,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi else the script returns control to the nearest native caller. */ - int ex = (++vPC)->u.operand; + int ex = vPC[1].u.operand; exceptionValue = callFrame->r(ex).jsValue(); handler = throwException(callFrame, exceptionValue, vPC - callFrame->codeBlock()->instructions().begin(), true); @@ -3670,14 +3639,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi constant message as the message string. The result is written to register dst. */ - int dst = (++vPC)->u.operand; - int type = (++vPC)->u.operand; - int message = (++vPC)->u.operand; + int dst = vPC[1].u.operand; + int type = vPC[2].u.operand; + int message = vPC[3].u.operand; CodeBlock* codeBlock = callFrame->codeBlock(); callFrame->r(dst) = JSValue(Error::create(callFrame, (ErrorType)type, callFrame->r(message).jsValue().toString(callFrame), codeBlock->lineNumberForBytecodeOffset(callFrame, vPC - codeBlock->instructions().begin()), codeBlock->ownerExecutable()->sourceID(), codeBlock->ownerExecutable()->sourceURL())); - ++vPC; + vPC += OPCODE_LENGTH(op_new_error); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_end) { @@ -3692,7 +3661,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(scopeChain->refCount > 1); scopeChain->deref(); } - int result = (++vPC)->u.operand; + int result = vPC[1].u.operand; return callFrame->r(result).jsValue(); } DEFINE_OPCODE(op_put_getter) { @@ -3706,9 +3675,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Unlike many opcodes, this one does not write any output to the register file. */ - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int function = (++vPC)->u.operand; + int base = vPC[1].u.operand; + int property = vPC[2].u.operand; + int function = vPC[3].u.operand; ASSERT(callFrame->r(base).jsValue().isObject()); JSObject* baseObj = asObject(callFrame->r(base).jsValue()); @@ -3716,7 +3685,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(callFrame->r(function).jsValue().isObject()); baseObj->defineGetter(callFrame, ident, asObject(callFrame->r(function).jsValue())); - ++vPC; + vPC += OPCODE_LENGTH(op_put_getter); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_put_setter) { @@ -3730,9 +3699,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Unlike many opcodes, this one does not write any output to the register file. */ - int base = (++vPC)->u.operand; - int property = (++vPC)->u.operand; - int function = (++vPC)->u.operand; + int base = vPC[1].u.operand; + int property = vPC[2].u.operand; + int function = vPC[3].u.operand; ASSERT(callFrame->r(base).jsValue().isObject()); JSObject* baseObj = asObject(callFrame->r(base).jsValue()); @@ -3740,7 +3709,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ASSERT(callFrame->r(function).jsValue().isObject()); baseObj->defineSetter(callFrame, ident, asObject(callFrame->r(function).jsValue()), 0); - ++vPC; + vPC += OPCODE_LENGTH(op_put_setter); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_method_check) { @@ -3753,9 +3722,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Places the address of the next instruction into the retAddrDst register and jumps to offset target from the current instruction. */ - int retAddrDst = (++vPC)->u.operand; - int target = (++vPC)->u.operand; - callFrame->r(retAddrDst) = vPC + 1; + int retAddrDst = vPC[1].u.operand; + int target = vPC[2].u.operand; + callFrame->r(retAddrDst) = vPC + OPCODE_LENGTH(op_jsr); vPC += target; NEXT_INSTRUCTION(); @@ -3767,7 +3736,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi differs from op_jmp because the target address is stored in a register, not as an immediate. */ - int retAddrSrc = (++vPC)->u.operand; + int retAddrSrc = vPC[1].u.operand; vPC = callFrame->r(retAddrSrc).vPC(); NEXT_INSTRUCTION(); } @@ -3777,13 +3746,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Notifies the debugger of the current state of execution. This opcode is only generated while the debugger is attached. */ - int debugHookID = (++vPC)->u.operand; - int firstLine = (++vPC)->u.operand; - int lastLine = (++vPC)->u.operand; + int debugHookID = vPC[1].u.operand; + int firstLine = vPC[2].u.operand; + int lastLine = vPC[3].u.operand; debug(callFrame, static_cast<DebugHookID>(debugHookID), firstLine, lastLine); - ++vPC; + vPC += OPCODE_LENGTH(op_debug); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_profile_will_call) { @@ -3797,7 +3766,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (*enabledProfilerReference) (*enabledProfilerReference)->willExecute(callFrame, callFrame->r(function).jsValue()); - vPC += 2; + vPC += OPCODE_LENGTH(op_profile_will_call); NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_profile_did_call) { @@ -3811,7 +3780,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (*enabledProfilerReference) (*enabledProfilerReference)->didExecute(callFrame, callFrame->r(function).jsValue()); - vPC += 2; + vPC += OPCODE_LENGTH(op_profile_did_call); NEXT_INSTRUCTION(); } vm_throw: { |