}
-void LChunkBuilder::Abort(BailoutReason reason) {
- info()->set_bailout_reason(reason);
- status_ = ABORTED;
-}
-
-
LUnallocated* LChunkBuilder::ToUnallocated(Register reg) {
return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER,
Register::ToAllocationIndex(reg));
LInstruction* LChunkBuilder::DoCallWithDescriptor(
HCallWithDescriptor* instr) {
- const InterfaceDescriptor* descriptor = instr->descriptor();
+ CallInterfaceDescriptor descriptor = instr->descriptor();
LOperand* target = UseRegisterOrConstantAtStart(instr->target());
ZoneList<LOperand*> ops(instr->OperandCount(), zone());
ops.Add(target, zone());
for (int i = 1; i < instr->OperandCount(); i++) {
- LOperand* op = UseFixed(instr->OperandAt(i),
- descriptor->GetParameterRegister(i - 1));
+ LOperand* op =
+ UseFixed(instr->OperandAt(i), descriptor.GetParameterRegister(i - 1));
ops.Add(op, zone());
}
DCHECK(input_rep.IsSmiOrTagged());
return AssignEnvironment(
DefineAsRegister(new(zone()) LClampTToUint8(reg,
- TempRegister(),
TempDoubleRegister())));
}
}
instr->arguments_object()->IsLinked()) {
inner->Bind(instr->arguments_var(), instr->arguments_object());
}
+ inner->BindContext(instr->closure_context());
inner->set_entry(instr);
current_block_->UpdateEnvironment(inner);
chunk_->AddInlinedClosure(instr->closure());
}
+LInstruction* LChunkBuilder::DoTailCallThroughMegamorphicCache(
+ HTailCallThroughMegamorphicCache* instr) {
+ LOperand* context = UseFixed(instr->context(), cp);
+ LOperand* receiver_register =
+ UseFixed(instr->receiver(), LoadDescriptor::ReceiverRegister());
+ LOperand* name_register =
+ UseFixed(instr->name(), LoadDescriptor::NameRegister());
+ // Not marked as call. It can't deoptimize, and it never returns.
+ return new (zone()) LTailCallThroughMegamorphicCache(
+ context, receiver_register, name_register);
+}
+
+
LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) {
LOperand* context = UseFixed(instr->context(), cp);
// The function is required (by MacroAssembler::InvokeFunction) to be in x1.
LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
LOperand* context = UseFixed(instr->context(), cp);
- LOperand* global_object = UseFixed(instr->global_object(),
- LoadIC::ReceiverRegister());
+ LOperand* global_object =
+ UseFixed(instr->global_object(), LoadDescriptor::ReceiverRegister());
LOperand* vector = NULL;
if (FLAG_vector_ics) {
- vector = FixedTemp(LoadIC::VectorRegister());
+ vector = FixedTemp(VectorLoadICDescriptor::VectorRegister());
}
LLoadGlobalGeneric* result =
LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), cp);
- LOperand* object = UseFixed(instr->object(), LoadIC::ReceiverRegister());
- LOperand* key = UseFixed(instr->key(), LoadIC::NameRegister());
+ LOperand* object =
+ UseFixed(instr->object(), LoadDescriptor::ReceiverRegister());
+ LOperand* key = UseFixed(instr->key(), LoadDescriptor::NameRegister());
LOperand* vector = NULL;
if (FLAG_vector_ics) {
- vector = FixedTemp(LoadIC::VectorRegister());
+ vector = FixedTemp(VectorLoadICDescriptor::VectorRegister());
}
LInstruction* result =
LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), cp);
- LOperand* object = UseFixed(instr->object(), LoadIC::ReceiverRegister());
+ LOperand* object =
+ UseFixed(instr->object(), LoadDescriptor::ReceiverRegister());
LOperand* vector = NULL;
if (FLAG_vector_ics) {
- vector = FixedTemp(LoadIC::VectorRegister());
+ vector = FixedTemp(VectorLoadICDescriptor::VectorRegister());
}
LInstruction* result =
int32_t constant_abs = Abs(constant);
if (!end_range_constant &&
- (small_constant ||
- (IsPowerOf2(constant_abs)) ||
- (!can_overflow && (IsPowerOf2(constant_abs + 1) ||
- IsPowerOf2(constant_abs - 1))))) {
+ (small_constant || (base::bits::IsPowerOfTwo32(constant_abs)) ||
+ (!can_overflow && (base::bits::IsPowerOfTwo32(constant_abs + 1) ||
+ base::bits::IsPowerOfTwo32(constant_abs - 1))))) {
LConstantOperand* right = UseConstant(most_const);
- bool need_register = IsPowerOf2(constant_abs) && !small_constant;
+ bool need_register =
+ base::bits::IsPowerOfTwo32(constant_abs) && !small_constant;
LOperand* left = need_register ? UseRegister(least_const)
: UseRegisterAtStart(least_const);
LInstruction* result =
return DefineAsSpilled(result, spill_index);
} else {
DCHECK(info()->IsStub());
- CodeStubInterfaceDescriptor* descriptor =
- info()->code_stub()->GetInterfaceDescriptor();
+ CallInterfaceDescriptor descriptor =
+ info()->code_stub()->GetCallInterfaceDescriptor();
int index = static_cast<int>(instr->index());
- Register reg = descriptor->GetEnvironmentParameterRegister(index);
+ Register reg = descriptor.GetEnvironmentParameterRegister(index);
return DefineFixed(result, reg);
}
}
Representation exponent_type = instr->right()->representation();
DCHECK(instr->left()->representation().IsDouble());
LOperand* left = UseFixedDouble(instr->left(), d0);
- LOperand* right = exponent_type.IsInteger32()
- ? UseFixed(instr->right(), x12)
- : exponent_type.IsDouble()
- ? UseFixedDouble(instr->right(), d1)
- : UseFixed(instr->right(), x11);
+ LOperand* right;
+ if (exponent_type.IsInteger32()) {
+ right = UseFixed(instr->right(), MathPowIntegerDescriptor::exponent());
+ } else if (exponent_type.IsDouble()) {
+ right = UseFixedDouble(instr->right(), d1);
+ } else {
+ right = UseFixed(instr->right(), MathPowTaggedDescriptor::exponent());
+ }
LPower* result = new(zone()) LPower(left, right);
return MarkAsCall(DefineFixedDouble(result, d0),
instr,
return DoArithmeticT(op, instr);
}
- DCHECK(instr->representation().IsInteger32() ||
- instr->representation().IsSmi());
+ DCHECK(instr->representation().IsSmiOrInteger32());
DCHECK(instr->left()->representation().Equals(instr->representation()));
DCHECK(instr->right()->representation().Equals(instr->representation()));
LOperand* left = instr->representation().IsSmi()
? UseRegister(instr->left())
: UseRegisterAtStart(instr->left());
-
- HValue* right_value = instr->right();
- LOperand* right = NULL;
- LOperand* temp = NULL;
- int constant_value = 0;
- if (right_value->IsConstant()) {
- right = UseConstant(right_value);
- constant_value = JSShiftAmountFromHConstant(right_value);
- } else {
- right = UseRegisterAtStart(right_value);
- if (op == Token::ROR) {
- temp = TempRegister();
- }
- }
-
- // Shift operations can only deoptimize if we do a logical shift by 0 and the
- // result cannot be truncated to int32.
- bool does_deopt = false;
- if ((op == Token::SHR) && (constant_value == 0)) {
+ LOperand* right = UseRegisterOrConstantAtStart(instr->right());
+
+ // The only shift that can deoptimize is `left >>> 0`, where left is negative.
+ // In these cases, the result is a uint32 that is too large for an int32.
+ bool right_can_be_zero = !instr->right()->IsConstant() ||
+ (JSShiftAmountFromHConstant(instr->right()) == 0);
+ bool can_deopt = false;
+ if ((op == Token::SHR) && right_can_be_zero) {
if (FLAG_opt_safe_uint32_operations) {
- does_deopt = !instr->CheckFlag(HInstruction::kUint32);
+ can_deopt = !instr->CheckFlag(HInstruction::kUint32);
} else {
- does_deopt = !instr->CheckUsesForFlag(HValue::kTruncatingToInt32);
+ can_deopt = !instr->CheckUsesForFlag(HValue::kTruncatingToInt32);
}
}
LInstruction* result;
if (instr->representation().IsInteger32()) {
- result = DefineAsRegister(new(zone()) LShiftI(op, left, right, does_deopt));
+ result = DefineAsRegister(new (zone()) LShiftI(op, left, right, can_deopt));
} else {
DCHECK(instr->representation().IsSmi());
- result = DefineAsRegister(
- new(zone()) LShiftS(op, left, right, temp, does_deopt));
+ result = DefineAsRegister(new (zone()) LShiftS(op, left, right, can_deopt));
}
- return does_deopt ? AssignEnvironment(result) : result;
+ return can_deopt ? AssignEnvironment(result) : result;
}
LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), cp);
- LOperand* object = UseFixed(instr->object(),
- KeyedStoreIC::ReceiverRegister());
- LOperand* key = UseFixed(instr->key(), KeyedStoreIC::NameRegister());
- LOperand* value = UseFixed(instr->value(), KeyedStoreIC::ValueRegister());
+ LOperand* object =
+ UseFixed(instr->object(), StoreDescriptor::ReceiverRegister());
+ LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister());
+ LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister());
DCHECK(instr->object()->representation().IsTagged());
DCHECK(instr->key()->representation().IsTagged());
LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), cp);
- LOperand* object = UseFixed(instr->object(), StoreIC::ReceiverRegister());
- LOperand* value = UseFixed(instr->value(), StoreIC::ValueRegister());
+ LOperand* object =
+ UseFixed(instr->object(), StoreDescriptor::ReceiverRegister());
+ LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister());
LInstruction* result = new(zone()) LStoreNamedGeneric(context, object, value);
return MarkAsCall(result, instr);
} else {
spill_index = env_index - instr->environment()->first_local_index();
if (spill_index > LUnallocated::kMaxFixedSlotIndex) {
- Abort(kTooManySpillSlotsNeededForOSR);
+ Retry(kTooManySpillSlotsNeededForOSR);
spill_index = 0;
}
}
projects / platform / framework / web / crosswalk.git / blobdiff