#if V8_TARGET_ARCH_MIPS
+#include "src/base/bits.h"
#include "src/bootstrapper.h"
#include "src/code-stubs.h"
#include "src/codegen.h"
+#include "src/ic/handler-compiler.h"
+#include "src/ic/ic.h"
+#include "src/isolate.h"
+#include "src/jsregexp.h"
#include "src/regexp-macro-assembler.h"
-#include "src/stub-cache.h"
+#include "src/runtime.h"
namespace v8 {
namespace internal {
-void FastNewClosureStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a2 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenNewClosureFromStubFailure)->entry;
-}
-
-
-void FastNewContextStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void ToNumberStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void NumberToStringStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenNumberToString)->entry;
-}
-
-
-void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a3, a2, a1 };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- static Representation representations[] = {
- Representation::Tagged(),
- Representation::Smi(),
- Representation::Tagged() };
- descriptor->register_param_representations_ = representations;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(
- Runtime::kHiddenCreateArrayLiteralStubBailout)->entry;
-}
-
-
-void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a3, a2, a1, a0 };
- descriptor->register_param_count_ = 4;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenCreateObjectLiteral)->entry;
-}
-
-
-void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a2, a3 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1, a0 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
-}
-
-
-void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = {a1, a0 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
-}
-
-
-void RegExpConstructResultStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a2, a1, a0 };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenRegExpConstructResult)->entry;
-}
-
-
-void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1, a0 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
-}
-
-
-void LoadFieldStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void StringLengthStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0, a2 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void KeyedStringLengthStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1, a0 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void KeyedStoreFastElementStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a2, a1, a0 };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(KeyedStoreIC_MissFromStubFailure);
-}
-
-
-void TransitionElementsKindStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0, a1 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- Address entry =
- Runtime::FunctionForId(Runtime::kTransitionElementsKind)->entry;
- descriptor->deoptimization_handler_ = FUNCTION_ADDR(entry);
-}
-
-
-void CompareNilICStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(CompareNilIC_Miss);
- descriptor->SetMissHandler(
- ExternalReference(IC_Utility(IC::kCompareNilIC_Miss), isolate()));
-}
-
-
static void InitializeArrayConstructorDescriptor(
- CodeStubInterfaceDescriptor* descriptor,
+ Isolate* isolate, CodeStubDescriptor* descriptor,
int constant_stack_parameter_count) {
- // register state
- // a0 -- number of arguments
- // a1 -- function
- // a2 -- allocation site with elements kind
- static Register registers_variable_args[] = { a1, a2, a0 };
- static Register registers_no_args[] = { a1, a2 };
+ Address deopt_handler = Runtime::FunctionForId(
+ Runtime::kArrayConstructor)->entry;
if (constant_stack_parameter_count == 0) {
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers_no_args;
+ descriptor->Initialize(deopt_handler, constant_stack_parameter_count,
+ JS_FUNCTION_STUB_MODE);
} else {
- // stack param count needs (constructor pointer, and single argument)
- descriptor->handler_arguments_mode_ = PASS_ARGUMENTS;
- descriptor->stack_parameter_count_ = a0;
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers_variable_args;
- static Representation representations[] = {
- Representation::Tagged(),
- Representation::Tagged(),
- Representation::Integer32() };
- descriptor->register_param_representations_ = representations;
+ descriptor->Initialize(a0, deopt_handler, constant_stack_parameter_count,
+ JS_FUNCTION_STUB_MODE, PASS_ARGUMENTS);
}
-
- descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;
- descriptor->function_mode_ = JS_FUNCTION_STUB_MODE;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenArrayConstructor)->entry;
}
static void InitializeInternalArrayConstructorDescriptor(
- CodeStubInterfaceDescriptor* descriptor,
+ Isolate* isolate, CodeStubDescriptor* descriptor,
int constant_stack_parameter_count) {
- // register state
- // a0 -- number of arguments
- // a1 -- constructor function
- static Register registers_variable_args[] = { a1, a0 };
- static Register registers_no_args[] = { a1 };
+ Address deopt_handler = Runtime::FunctionForId(
+ Runtime::kInternalArrayConstructor)->entry;
if (constant_stack_parameter_count == 0) {
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers_no_args;
+ descriptor->Initialize(deopt_handler, constant_stack_parameter_count,
+ JS_FUNCTION_STUB_MODE);
} else {
- // stack param count needs (constructor pointer, and single argument)
- descriptor->handler_arguments_mode_ = PASS_ARGUMENTS;
- descriptor->stack_parameter_count_ = a0;
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers_variable_args;
- static Representation representations[] = {
- Representation::Tagged(),
- Representation::Integer32() };
- descriptor->register_param_representations_ = representations;
+ descriptor->Initialize(a0, deopt_handler, constant_stack_parameter_count,
+ JS_FUNCTION_STUB_MODE, PASS_ARGUMENTS);
}
-
- descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;
- descriptor->function_mode_ = JS_FUNCTION_STUB_MODE;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenInternalArrayConstructor)->entry;
-}
-
-
-void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- InitializeArrayConstructorDescriptor(descriptor, 0);
-}
-
-
-void ArraySingleArgumentConstructorStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- InitializeArrayConstructorDescriptor(descriptor, 1);
}
-void ArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- InitializeArrayConstructorDescriptor(descriptor, -1);
+void ArrayNoArgumentConstructorStub::InitializeDescriptor(
+ CodeStubDescriptor* descriptor) {
+ InitializeArrayConstructorDescriptor(isolate(), descriptor, 0);
}
-void ToBooleanStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0 };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(ToBooleanIC_Miss);
- descriptor->SetMissHandler(
- ExternalReference(IC_Utility(IC::kToBooleanIC_Miss), isolate()));
+void ArraySingleArgumentConstructorStub::InitializeDescriptor(
+ CodeStubDescriptor* descriptor) {
+ InitializeArrayConstructorDescriptor(isolate(), descriptor, 1);
}
-void InternalArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- InitializeInternalArrayConstructorDescriptor(descriptor, 0);
+void ArrayNArgumentsConstructorStub::InitializeDescriptor(
+ CodeStubDescriptor* descriptor) {
+ InitializeArrayConstructorDescriptor(isolate(), descriptor, -1);
}
-void InternalArraySingleArgumentConstructorStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- InitializeInternalArrayConstructorDescriptor(descriptor, 1);
+void InternalArrayNoArgumentConstructorStub::InitializeDescriptor(
+ CodeStubDescriptor* descriptor) {
+ InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, 0);
}
-void InternalArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- InitializeInternalArrayConstructorDescriptor(descriptor, -1);
+void InternalArraySingleArgumentConstructorStub::InitializeDescriptor(
+ CodeStubDescriptor* descriptor) {
+ InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, 1);
}
-void StoreGlobalStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1, a2, a0 };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(StoreIC_MissFromStubFailure);
-}
-
-
-void ElementsTransitionAndStoreStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a0, a3, a1, a2 };
- descriptor->register_param_count_ = 4;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(ElementsTransitionAndStoreIC_Miss);
-}
-
-
-void BinaryOpICStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1, a0 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = FUNCTION_ADDR(BinaryOpIC_Miss);
- descriptor->SetMissHandler(
- ExternalReference(IC_Utility(IC::kBinaryOpIC_Miss), isolate()));
-}
-
-
-void BinaryOpWithAllocationSiteStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a2, a1, a0 };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(BinaryOpIC_MissWithAllocationSite);
-}
-
-
-void StringAddStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { a1, a0 };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenStringAdd)->entry;
-}
-
-
-void CallDescriptors::InitializeForIsolate(Isolate* isolate) {
- {
- CallInterfaceDescriptor* descriptor =
- isolate->call_descriptor(Isolate::ArgumentAdaptorCall);
- static Register registers[] = { a1, // JSFunction
- cp, // context
- a0, // actual number of arguments
- a2, // expected number of arguments
- };
- static Representation representations[] = {
- Representation::Tagged(), // JSFunction
- Representation::Tagged(), // context
- Representation::Integer32(), // actual number of arguments
- Representation::Integer32(), // expected number of arguments
- };
- descriptor->register_param_count_ = 4;
- descriptor->register_params_ = registers;
- descriptor->param_representations_ = representations;
- }
- {
- CallInterfaceDescriptor* descriptor =
- isolate->call_descriptor(Isolate::KeyedCall);
- static Register registers[] = { cp, // context
- a2, // key
- };
- static Representation representations[] = {
- Representation::Tagged(), // context
- Representation::Tagged(), // key
- };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->param_representations_ = representations;
- }
- {
- CallInterfaceDescriptor* descriptor =
- isolate->call_descriptor(Isolate::NamedCall);
- static Register registers[] = { cp, // context
- a2, // name
- };
- static Representation representations[] = {
- Representation::Tagged(), // context
- Representation::Tagged(), // name
- };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->param_representations_ = representations;
- }
- {
- CallInterfaceDescriptor* descriptor =
- isolate->call_descriptor(Isolate::CallHandler);
- static Register registers[] = { cp, // context
- a0, // receiver
- };
- static Representation representations[] = {
- Representation::Tagged(), // context
- Representation::Tagged(), // receiver
- };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->param_representations_ = representations;
- }
- {
- CallInterfaceDescriptor* descriptor =
- isolate->call_descriptor(Isolate::ApiFunctionCall);
- static Register registers[] = { a0, // callee
- t0, // call_data
- a2, // holder
- a1, // api_function_address
- cp, // context
- };
- static Representation representations[] = {
- Representation::Tagged(), // callee
- Representation::Tagged(), // call_data
- Representation::Tagged(), // holder
- Representation::External(), // api_function_address
- Representation::Tagged(), // context
- };
- descriptor->register_param_count_ = 5;
- descriptor->register_params_ = registers;
- descriptor->param_representations_ = representations;
- }
+void InternalArrayNArgumentsConstructorStub::InitializeDescriptor(
+ CodeStubDescriptor* descriptor) {
+ InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, -1);
}
Register rhs);
-void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
+void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm,
+ ExternalReference miss) {
// Update the static counter each time a new code stub is generated.
isolate()->counters()->code_stubs()->Increment();
- CodeStubInterfaceDescriptor* descriptor = GetInterfaceDescriptor();
- int param_count = descriptor->register_param_count_;
+ CallInterfaceDescriptor descriptor = GetCallInterfaceDescriptor();
+ int param_count = descriptor.GetEnvironmentParameterCount();
{
// Call the runtime system in a fresh internal frame.
FrameScope scope(masm, StackFrame::INTERNAL);
- ASSERT(descriptor->register_param_count_ == 0 ||
- a0.is(descriptor->register_params_[param_count - 1]));
+ DCHECK(param_count == 0 ||
+ a0.is(descriptor.GetEnvironmentParameterRegister(param_count - 1)));
// Push arguments, adjust sp.
__ Subu(sp, sp, Operand(param_count * kPointerSize));
for (int i = 0; i < param_count; ++i) {
// Store argument to stack.
- __ sw(descriptor->register_params_[i],
- MemOperand(sp, (param_count-1-i) * kPointerSize));
+ __ sw(descriptor.GetEnvironmentParameterRegister(i),
+ MemOperand(sp, (param_count - 1 - i) * kPointerSize));
}
- ExternalReference miss = descriptor->miss_handler();
- __ CallExternalReference(miss, descriptor->register_param_count_);
+ __ CallExternalReference(miss, param_count);
}
__ Ret();
}
-// Takes a Smi and converts to an IEEE 64 bit floating point value in two
-// registers. The format is 1 sign bit, 11 exponent bits (biased 1023) and
-// 52 fraction bits (20 in the first word, 32 in the second). Zeros is a
-// scratch register. Destroys the source register. No GC occurs during this
-// stub so you don't have to set up the frame.
-class ConvertToDoubleStub : public PlatformCodeStub {
- public:
- ConvertToDoubleStub(Isolate* isolate,
- Register result_reg_1,
- Register result_reg_2,
- Register source_reg,
- Register scratch_reg)
- : PlatformCodeStub(isolate),
- result1_(result_reg_1),
- result2_(result_reg_2),
- source_(source_reg),
- zeros_(scratch_reg) { }
-
- private:
- Register result1_;
- Register result2_;
- Register source_;
- Register zeros_;
-
- // Minor key encoding in 16 bits.
- class ModeBits: public BitField<OverwriteMode, 0, 2> {};
- class OpBits: public BitField<Token::Value, 2, 14> {};
-
- Major MajorKey() { return ConvertToDouble; }
- int MinorKey() {
- // Encode the parameters in a unique 16 bit value.
- return result1_.code() +
- (result2_.code() << 4) +
- (source_.code() << 8) +
- (zeros_.code() << 12);
- }
-
- void Generate(MacroAssembler* masm);
-};
-
-
-void ConvertToDoubleStub::Generate(MacroAssembler* masm) {
- Register exponent, mantissa;
- if (kArchEndian == kLittle) {
- exponent = result1_;
- mantissa = result2_;
- } else {
- exponent = result2_;
- mantissa = result1_;
- }
- Label not_special;
- // Convert from Smi to integer.
- __ sra(source_, source_, kSmiTagSize);
- // Move sign bit from source to destination. This works because the sign bit
- // in the exponent word of the double has the same position and polarity as
- // the 2's complement sign bit in a Smi.
- STATIC_ASSERT(HeapNumber::kSignMask == 0x80000000u);
- __ And(exponent, source_, Operand(HeapNumber::kSignMask));
- // Subtract from 0 if source was negative.
- __ subu(at, zero_reg, source_);
- __ Movn(source_, at, exponent);
-
- // We have -1, 0 or 1, which we treat specially. Register source_ contains
- // absolute value: it is either equal to 1 (special case of -1 and 1),
- // greater than 1 (not a special case) or less than 1 (special case of 0).
- __ Branch(¬_special, gt, source_, Operand(1));
-
- // For 1 or -1 we need to or in the 0 exponent (biased to 1023).
- const uint32_t exponent_word_for_1 =
- HeapNumber::kExponentBias << HeapNumber::kExponentShift;
- // Safe to use 'at' as dest reg here.
- __ Or(at, exponent, Operand(exponent_word_for_1));
- __ Movn(exponent, at, source_); // Write exp when source not 0.
- // 1, 0 and -1 all have 0 for the second word.
- __ Ret(USE_DELAY_SLOT);
- __ mov(mantissa, zero_reg);
-
- __ bind(¬_special);
- // Count leading zeros.
- // Gets the wrong answer for 0, but we already checked for that case above.
- __ Clz(zeros_, source_);
- // Compute exponent and or it into the exponent register.
- // We use mantissa as a scratch register here.
- __ li(mantissa, Operand(31 + HeapNumber::kExponentBias));
- __ subu(mantissa, mantissa, zeros_);
- __ sll(mantissa, mantissa, HeapNumber::kExponentShift);
- __ Or(exponent, exponent, mantissa);
-
- // Shift up the source chopping the top bit off.
- __ Addu(zeros_, zeros_, Operand(1));
- // This wouldn't work for 1.0 or -1.0 as the shift would be 32 which means 0.
- __ sllv(source_, source_, zeros_);
- // Compute lower part of fraction (last 12 bits).
- __ sll(mantissa, source_, HeapNumber::kMantissaBitsInTopWord);
- // And the top (top 20 bits).
- __ srl(source_, source_, 32 - HeapNumber::kMantissaBitsInTopWord);
-
- __ Ret(USE_DELAY_SLOT);
- __ or_(exponent, exponent, source_);
-}
-
-
void DoubleToIStub::Generate(MacroAssembler* masm) {
Label out_of_range, only_low, negate, done;
Register input_reg = source();
// We test for the special value that has a different exponent.
STATIC_ASSERT(HeapNumber::kSignMask == 0x80000000u);
// Test sign, and save for later conditionals.
- __ And(sign_, the_int_, Operand(0x80000000u));
- __ Branch(&max_negative_int, eq, the_int_, Operand(0x80000000u));
+ __ And(sign(), the_int(), Operand(0x80000000u));
+ __ Branch(&max_negative_int, eq, the_int(), Operand(0x80000000u));
// Set up the correct exponent in scratch_. All non-Smi int32s have the same.
// A non-Smi integer is 1.xxx * 2^30 so the exponent is 30 (biased).
uint32_t non_smi_exponent =
(HeapNumber::kExponentBias + 30) << HeapNumber::kExponentShift;
- __ li(scratch_, Operand(non_smi_exponent));
+ __ li(scratch(), Operand(non_smi_exponent));
// Set the sign bit in scratch_ if the value was negative.
- __ or_(scratch_, scratch_, sign_);
+ __ or_(scratch(), scratch(), sign());
// Subtract from 0 if the value was negative.
- __ subu(at, zero_reg, the_int_);
- __ Movn(the_int_, at, sign_);
+ __ subu(at, zero_reg, the_int());
+ __ Movn(the_int(), at, sign());
// We should be masking the implict first digit of the mantissa away here,
// but it just ends up combining harmlessly with the last digit of the
// exponent that happens to be 1. The sign bit is 0 so we shift 10 to get
// the most significant 1 to hit the last bit of the 12 bit sign and exponent.
- ASSERT(((1 << HeapNumber::kExponentShift) & non_smi_exponent) != 0);
+ DCHECK(((1 << HeapNumber::kExponentShift) & non_smi_exponent) != 0);
const int shift_distance = HeapNumber::kNonMantissaBitsInTopWord - 2;
- __ srl(at, the_int_, shift_distance);
- __ or_(scratch_, scratch_, at);
- __ sw(scratch_, FieldMemOperand(the_heap_number_,
+ __ srl(at, the_int(), shift_distance);
+ __ or_(scratch(), scratch(), at);
+ __ sw(scratch(), FieldMemOperand(the_heap_number(),
HeapNumber::kExponentOffset));
- __ sll(scratch_, the_int_, 32 - shift_distance);
+ __ sll(scratch(), the_int(), 32 - shift_distance);
__ Ret(USE_DELAY_SLOT);
- __ sw(scratch_, FieldMemOperand(the_heap_number_,
+ __ sw(scratch(), FieldMemOperand(the_heap_number(),
HeapNumber::kMantissaOffset));
__ bind(&max_negative_int);
// The actual mantissa bits stored are all 0 because the implicit most
// significant 1 bit is not stored.
non_smi_exponent += 1 << HeapNumber::kExponentShift;
- __ li(scratch_, Operand(HeapNumber::kSignMask | non_smi_exponent));
- __ sw(scratch_,
- FieldMemOperand(the_heap_number_, HeapNumber::kExponentOffset));
- __ mov(scratch_, zero_reg);
+ __ li(scratch(), Operand(HeapNumber::kSignMask | non_smi_exponent));
+ __ sw(scratch(),
+ FieldMemOperand(the_heap_number(), HeapNumber::kExponentOffset));
+ __ mov(scratch(), zero_reg);
__ Ret(USE_DELAY_SLOT);
- __ sw(scratch_,
- FieldMemOperand(the_heap_number_, HeapNumber::kMantissaOffset));
+ __ sw(scratch(),
+ FieldMemOperand(the_heap_number(), HeapNumber::kMantissaOffset));
}
__ Branch(&return_equal, ne, t4, Operand(ODDBALL_TYPE));
__ LoadRoot(t2, Heap::kUndefinedValueRootIndex);
__ Branch(&return_equal, ne, a0, Operand(t2));
- ASSERT(is_int16(GREATER) && is_int16(LESS));
+ DCHECK(is_int16(GREATER) && is_int16(LESS));
__ Ret(USE_DELAY_SLOT);
if (cc == le) {
// undefined <= undefined should fail.
}
__ bind(&return_equal);
- ASSERT(is_int16(GREATER) && is_int16(LESS));
+ DCHECK(is_int16(GREATER) && is_int16(LESS));
__ Ret(USE_DELAY_SLOT);
if (cc == less) {
__ li(v0, Operand(GREATER)); // Things aren't less than themselves.
if (cc != eq) {
// All-zero means Infinity means equal.
__ Ret(eq, v0, Operand(zero_reg));
- ASSERT(is_int16(GREATER) && is_int16(LESS));
+ DCHECK(is_int16(GREATER) && is_int16(LESS));
__ Ret(USE_DELAY_SLOT);
if (cc == le) {
__ li(v0, Operand(GREATER)); // NaN <= NaN should fail.
Label* both_loaded_as_doubles,
Label* slow,
bool strict) {
- ASSERT((lhs.is(a0) && rhs.is(a1)) ||
+ DCHECK((lhs.is(a0) && rhs.is(a1)) ||
(lhs.is(a1) && rhs.is(a0)));
Label lhs_is_smi;
Register rhs,
Label* possible_strings,
Label* not_both_strings) {
- ASSERT((lhs.is(a0) && rhs.is(a1)) ||
+ DCHECK((lhs.is(a0) && rhs.is(a1)) ||
(lhs.is(a1) && rhs.is(a0)));
// a2 is object type of rhs.
}
-static void ICCompareStub_CheckInputType(MacroAssembler* masm,
- Register input,
+static void CompareICStub_CheckInputType(MacroAssembler* masm, Register input,
Register scratch,
- CompareIC::State expected,
+ CompareICState::State expected,
Label* fail) {
Label ok;
- if (expected == CompareIC::SMI) {
+ if (expected == CompareICState::SMI) {
__ JumpIfNotSmi(input, fail);
- } else if (expected == CompareIC::NUMBER) {
+ } else if (expected == CompareICState::NUMBER) {
__ JumpIfSmi(input, &ok);
__ CheckMap(input, scratch, Heap::kHeapNumberMapRootIndex, fail,
DONT_DO_SMI_CHECK);
// On entry a1 and a2 are the values to be compared.
// On exit a0 is 0, positive or negative to indicate the result of
// the comparison.
-void ICCompareStub::GenerateGeneric(MacroAssembler* masm) {
+void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
Register lhs = a1;
Register rhs = a0;
Condition cc = GetCondition();
Label miss;
- ICCompareStub_CheckInputType(masm, lhs, a2, left_, &miss);
- ICCompareStub_CheckInputType(masm, rhs, a3, right_, &miss);
+ CompareICStub_CheckInputType(masm, lhs, a2, left(), &miss);
+ CompareICStub_CheckInputType(masm, rhs, a3, right(), &miss);
Label slow; // Call builtin.
Label not_smis, both_loaded_as_doubles;
// If either is a Smi (we know that not both are), then they can only
// be strictly equal if the other is a HeapNumber.
STATIC_ASSERT(kSmiTag == 0);
- ASSERT_EQ(0, Smi::FromInt(0));
+ DCHECK_EQ(0, Smi::FromInt(0));
__ And(t2, lhs, Operand(rhs));
__ JumpIfNotSmi(t2, ¬_smis, t0);
// One operand is a smi. EmitSmiNonsmiComparison generates code that can:
// Check if LESS condition is satisfied. If true, move conditionally
// result to v0.
- __ c(OLT, D, f12, f14);
- __ Movt(v0, t0);
- // Use previous check to store conditionally to v0 oposite condition
- // (GREATER). If rhs is equal to lhs, this will be corrected in next
- // check.
- __ Movf(v0, t1);
- // Check if EQUAL condition is satisfied. If true, move conditionally
- // result to v0.
- __ c(EQ, D, f12, f14);
- __ Movt(v0, t2);
+ if (!IsMipsArchVariant(kMips32r6)) {
+ __ c(OLT, D, f12, f14);
+ __ Movt(v0, t0);
+ // Use previous check to store conditionally to v0 oposite condition
+ // (GREATER). If rhs is equal to lhs, this will be corrected in next
+ // check.
+ __ Movf(v0, t1);
+ // Check if EQUAL condition is satisfied. If true, move conditionally
+ // result to v0.
+ __ c(EQ, D, f12, f14);
+ __ Movt(v0, t2);
+ } else {
+ Label skip;
+ __ BranchF(USE_DELAY_SLOT, &skip, NULL, lt, f12, f14);
+ __ mov(v0, t0); // Return LESS as result.
+
+ __ BranchF(USE_DELAY_SLOT, &skip, NULL, eq, f12, f14);
+ __ mov(v0, t2); // Return EQUAL as result.
+
+ __ mov(v0, t1); // Return GREATER as result.
+ __ bind(&skip);
+ }
__ Ret();
__ bind(&nan);
// NaN comparisons always fail.
// Load whatever we need in v0 to make the comparison fail.
- ASSERT(is_int16(GREATER) && is_int16(LESS));
+ DCHECK(is_int16(GREATER) && is_int16(LESS));
__ Ret(USE_DELAY_SLOT);
if (cc == lt || cc == le) {
__ li(v0, Operand(GREATER));
masm, lhs, rhs, &flat_string_check, &slow);
}
- // Check for both being sequential ASCII strings, and inline if that is the
- // case.
+ // Check for both being sequential one-byte strings,
+ // and inline if that is the case.
__ bind(&flat_string_check);
- __ JumpIfNonSmisNotBothSequentialAsciiStrings(lhs, rhs, a2, a3, &slow);
+ __ JumpIfNonSmisNotBothSequentialOneByteStrings(lhs, rhs, a2, a3, &slow);
__ IncrementCounter(isolate()->counters()->string_compare_native(), 1, a2,
a3);
if (cc == eq) {
- StringCompareStub::GenerateFlatAsciiStringEquals(masm,
- lhs,
- rhs,
- a2,
- a3,
- t0);
+ StringHelper::GenerateFlatOneByteStringEquals(masm, lhs, rhs, a2, a3, t0);
} else {
- StringCompareStub::GenerateCompareFlatAsciiStrings(masm,
- lhs,
- rhs,
- a2,
- a3,
- t0,
- t1);
+ StringHelper::GenerateCompareFlatOneByteStrings(masm, lhs, rhs, a2, a3, t0,
+ t1);
}
// Never falls through to here.
if (cc == lt || cc == le) {
ncr = GREATER;
} else {
- ASSERT(cc == gt || cc == ge); // Remaining cases.
+ DCHECK(cc == gt || cc == ge); // Remaining cases.
ncr = LESS;
}
__ li(a0, Operand(Smi::FromInt(ncr)));
void StoreRegistersStateStub::Generate(MacroAssembler* masm) {
__ mov(t9, ra);
__ pop(ra);
- if (save_doubles_ == kSaveFPRegs) {
- __ PushSafepointRegistersAndDoubles();
- } else {
- __ PushSafepointRegisters();
- }
+ __ PushSafepointRegisters();
__ Jump(t9);
}
void RestoreRegistersStateStub::Generate(MacroAssembler* masm) {
__ mov(t9, ra);
__ pop(ra);
- __ StoreToSafepointRegisterSlot(t9, t9);
- if (save_doubles_ == kSaveFPRegs) {
- __ PopSafepointRegistersAndDoubles();
- } else {
- __ PopSafepointRegisters();
- }
+ __ PopSafepointRegisters();
__ Jump(t9);
}
// store the registers in any particular way, but we do have to store and
// restore them.
__ MultiPush(kJSCallerSaved | ra.bit());
- if (save_doubles_ == kSaveFPRegs) {
+ if (save_doubles()) {
__ MultiPushFPU(kCallerSavedFPU);
}
const int argument_count = 1;
__ CallCFunction(
ExternalReference::store_buffer_overflow_function(isolate()),
argument_count);
- if (save_doubles_ == kSaveFPRegs) {
+ if (save_doubles()) {
__ MultiPopFPU(kCallerSavedFPU);
}
void MathPowStub::Generate(MacroAssembler* masm) {
const Register base = a1;
- const Register exponent = a2;
+ const Register exponent = MathPowTaggedDescriptor::exponent();
+ DCHECK(exponent.is(a2));
const Register heapnumbermap = t1;
const Register heapnumber = v0;
const DoubleRegister double_base = f2;
const Register scratch2 = t3;
Label call_runtime, done, int_exponent;
- if (exponent_type_ == ON_STACK) {
+ if (exponent_type() == ON_STACK) {
Label base_is_smi, unpack_exponent;
// The exponent and base are supplied as arguments on the stack.
// This can only happen if the stub is called from non-optimized code.
__ Branch(&call_runtime, ne, scratch, Operand(heapnumbermap));
__ ldc1(double_exponent,
FieldMemOperand(exponent, HeapNumber::kValueOffset));
- } else if (exponent_type_ == TAGGED) {
+ } else if (exponent_type() == TAGGED) {
// Base is already in double_base.
__ UntagAndJumpIfSmi(scratch, exponent, &int_exponent);
FieldMemOperand(exponent, HeapNumber::kValueOffset));
}
- if (exponent_type_ != INTEGER) {
+ if (exponent_type() != INTEGER) {
Label int_exponent_convert;
// Detect integer exponents stored as double.
__ EmitFPUTruncate(kRoundToMinusInf,
// scratch2 == 0 means there was no conversion error.
__ Branch(&int_exponent_convert, eq, scratch2, Operand(zero_reg));
- if (exponent_type_ == ON_STACK) {
+ if (exponent_type() == ON_STACK) {
// Detect square root case. Crankshaft detects constant +/-0.5 at
// compile time and uses DoMathPowHalf instead. We then skip this check
// for non-constant cases of +/-0.5 as these hardly occur.
__ bind(&int_exponent);
// Get two copies of exponent in the registers scratch and exponent.
- if (exponent_type_ == INTEGER) {
+ if (exponent_type() == INTEGER) {
__ mov(scratch, exponent);
} else {
// Exponent has previously been stored into scratch as untagged integer.
// Returning or bailing out.
Counters* counters = isolate()->counters();
- if (exponent_type_ == ON_STACK) {
+ if (exponent_type() == ON_STACK) {
// The arguments are still on the stack.
__ bind(&call_runtime);
- __ TailCallRuntime(Runtime::kHiddenMathPow, 2, 1);
+ __ TailCallRuntime(Runtime::kMathPowRT, 2, 1);
// The stub is called from non-optimized code, which expects the result
// as heap number in exponent.
heapnumber, scratch, scratch2, heapnumbermap, &call_runtime);
__ sdc1(double_result,
FieldMemOperand(heapnumber, HeapNumber::kValueOffset));
- ASSERT(heapnumber.is(v0));
+ DCHECK(heapnumber.is(v0));
__ IncrementCounter(counters->math_pow(), 1, scratch, scratch2);
__ DropAndRet(2);
} else {
}
-void StoreRegistersStateStub::GenerateAheadOfTime(
- Isolate* isolate) {
- StoreRegistersStateStub stub1(isolate, kDontSaveFPRegs);
- stub1.GetCode();
- // Hydrogen code stubs need stub2 at snapshot time.
- StoreRegistersStateStub stub2(isolate, kSaveFPRegs);
- stub2.GetCode();
+void StoreRegistersStateStub::GenerateAheadOfTime(Isolate* isolate) {
+ StoreRegistersStateStub stub(isolate);
+ stub.GetCode();
}
-void RestoreRegistersStateStub::GenerateAheadOfTime(
- Isolate* isolate) {
- RestoreRegistersStateStub stub1(isolate, kDontSaveFPRegs);
- stub1.GetCode();
- // Hydrogen code stubs need stub2 at snapshot time.
- RestoreRegistersStateStub stub2(isolate, kSaveFPRegs);
- stub2.GetCode();
+void RestoreRegistersStateStub::GenerateAheadOfTime(Isolate* isolate) {
+ RestoreRegistersStateStub stub(isolate);
+ stub.GetCode();
}
void CodeStub::GenerateFPStubs(Isolate* isolate) {
+ // Generate if not already in cache.
SaveFPRegsMode mode = kSaveFPRegs;
- CEntryStub save_doubles(isolate, 1, mode);
- StoreBufferOverflowStub stub(isolate, mode);
- // These stubs might already be in the snapshot, detect that and don't
- // regenerate, which would lead to code stub initialization state being messed
- // up.
- Code* save_doubles_code;
- if (!save_doubles.FindCodeInCache(&save_doubles_code)) {
- save_doubles_code = *save_doubles.GetCode();
- }
- Code* store_buffer_overflow_code;
- if (!stub.FindCodeInCache(&store_buffer_overflow_code)) {
- store_buffer_overflow_code = *stub.GetCode();
- }
+ CEntryStub(isolate, 1, mode).GetCode();
+ StoreBufferOverflowStub(isolate, mode).GetCode();
isolate->set_fp_stubs_generated(true);
}
// Enter the exit frame that transitions from JavaScript to C++.
FrameScope scope(masm, StackFrame::MANUAL);
- __ EnterExitFrame(save_doubles_);
+ __ EnterExitFrame(save_doubles());
// s0: number of arguments including receiver (C callee-saved)
// s1: pointer to first argument (C callee-saved)
// Set up sp in the delay slot.
masm->addiu(sp, sp, -kCArgsSlotsSize);
// Make sure the stored 'ra' points to this position.
- ASSERT_EQ(kNumInstructionsToJump,
+ DCHECK_EQ(kNumInstructionsToJump,
masm->InstructionsGeneratedSince(&find_ra));
}
// sp: stack pointer
// fp: frame pointer
// s0: still holds argc (callee-saved).
- __ LeaveExitFrame(save_doubles_, s0, true, EMIT_RETURN);
+ __ LeaveExitFrame(save_doubles(), s0, true, EMIT_RETURN);
// Handling of exception.
__ bind(&exception_returned);
}
-void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
+void JSEntryStub::Generate(MacroAssembler* masm) {
Label invoke, handler_entry, exit;
Isolate* isolate = masm->isolate();
// We build an EntryFrame.
__ li(t3, Operand(-1)); // Push a bad frame pointer to fail if it is used.
- int marker = is_construct ? StackFrame::ENTRY_CONSTRUCT : StackFrame::ENTRY;
+ int marker = type();
__ li(t2, Operand(Smi::FromInt(marker)));
__ li(t1, Operand(Smi::FromInt(marker)));
__ li(t0, Operand(ExternalReference(Isolate::kCEntryFPAddress,
// 4 args slots
// args
- if (is_construct) {
+ if (type() == StackFrame::ENTRY_CONSTRUCT) {
ExternalReference construct_entry(Builtins::kJSConstructEntryTrampoline,
isolate);
__ li(t0, Operand(construct_entry));
// in the safepoint slot for register t0.
void InstanceofStub::Generate(MacroAssembler* masm) {
// Call site inlining and patching implies arguments in registers.
- ASSERT(HasArgsInRegisters() || !HasCallSiteInlineCheck());
+ DCHECK(HasArgsInRegisters() || !HasCallSiteInlineCheck());
// ReturnTrueFalse is only implemented for inlined call sites.
- ASSERT(!ReturnTrueFalseObject() || HasCallSiteInlineCheck());
+ DCHECK(!ReturnTrueFalseObject() || HasCallSiteInlineCheck());
// Fixed register usage throughout the stub:
const Register object = a0; // Object (lhs).
__ StoreRoot(function, Heap::kInstanceofCacheFunctionRootIndex);
__ StoreRoot(map, Heap::kInstanceofCacheMapRootIndex);
} else {
- ASSERT(HasArgsInRegisters());
+ DCHECK(HasArgsInRegisters());
// Patch the (relocated) inlined map check.
// The offset was stored in t0 safepoint slot.
__ Branch(&loop);
__ bind(&is_instance);
- ASSERT(Smi::FromInt(0) == 0);
+ DCHECK(Smi::FromInt(0) == 0);
if (!HasCallSiteInlineCheck()) {
__ mov(v0, zero_reg);
__ StoreRoot(v0, Heap::kInstanceofCacheAnswerRootIndex);
__ PatchRelocatedValue(inline_site, scratch, v0);
if (!ReturnTrueFalseObject()) {
- ASSERT_EQ(Smi::FromInt(0), 0);
+ DCHECK_EQ(Smi::FromInt(0), 0);
__ mov(v0, zero_reg);
}
}
void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
Label miss;
- Register receiver;
- if (kind() == Code::KEYED_LOAD_IC) {
- // ----------- S t a t e -------------
- // -- ra : return address
- // -- a0 : key
- // -- a1 : receiver
- // -----------------------------------
- __ Branch(&miss, ne, a0,
- Operand(isolate()->factory()->prototype_string()));
- receiver = a1;
- } else {
- ASSERT(kind() == Code::LOAD_IC);
- // ----------- S t a t e -------------
- // -- a2 : name
- // -- ra : return address
- // -- a0 : receiver
- // -- sp[0] : receiver
- // -----------------------------------
- receiver = a0;
- }
-
- StubCompiler::GenerateLoadFunctionPrototype(masm, receiver, a3, t0, &miss);
+ Register receiver = LoadDescriptor::ReceiverRegister();
+ NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, a3,
+ t0, &miss);
__ bind(&miss);
- StubCompiler::TailCallBuiltin(
- masm, BaseLoadStoreStubCompiler::MissBuiltin(kind()));
+ PropertyAccessCompiler::TailCallBuiltin(
+ masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC));
}
-Register InstanceofStub::left() { return a0; }
-
-
-Register InstanceofStub::right() { return a1; }
-
-
void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
// The displacement is the offset of the last parameter (if any)
// relative to the frame pointer.
const int kDisplacement =
StandardFrameConstants::kCallerSPOffset - kPointerSize;
+ DCHECK(a1.is(ArgumentsAccessReadDescriptor::index()));
+ DCHECK(a0.is(ArgumentsAccessReadDescriptor::parameter_count()));
// Check that the key is a smiGenerateReadElement.
Label slow;
__ sw(a3, MemOperand(sp, 1 * kPointerSize));
__ bind(&runtime);
- __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1);
+ __ TailCallRuntime(Runtime::kNewSloppyArguments, 3, 1);
}
FixedArray::kHeaderSize + 2 * kPointerSize;
// If there are no mapped parameters, we do not need the parameter_map.
Label param_map_size;
- ASSERT_EQ(0, Smi::FromInt(0));
+ DCHECK_EQ(0, Smi::FromInt(0));
__ Branch(USE_DELAY_SLOT, ¶m_map_size, eq, a1, Operand(zero_reg));
__ mov(t5, zero_reg); // In delay slot: param map size = 0 when a1 == 0.
__ sll(t5, a1, 1);
__ Allocate(t5, v0, a3, t0, &runtime, TAG_OBJECT);
// v0 = address of new object(s) (tagged)
- // a2 = argument count (tagged)
+ // a2 = argument count (smi-tagged)
// Get the arguments boilerplate from the current native context into t0.
const int kNormalOffset =
- Context::SlotOffset(Context::SLOPPY_ARGUMENTS_BOILERPLATE_INDEX);
+ Context::SlotOffset(Context::SLOPPY_ARGUMENTS_MAP_INDEX);
const int kAliasedOffset =
- Context::SlotOffset(Context::ALIASED_ARGUMENTS_BOILERPLATE_INDEX);
+ Context::SlotOffset(Context::ALIASED_ARGUMENTS_MAP_INDEX);
__ lw(t0, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
__ lw(t0, FieldMemOperand(t0, GlobalObject::kNativeContextOffset));
// v0 = address of new object (tagged)
// a1 = mapped parameter count (tagged)
- // a2 = argument count (tagged)
- // t0 = address of boilerplate object (tagged)
- // Copy the JS object part.
- for (int i = 0; i < JSObject::kHeaderSize; i += kPointerSize) {
- __ lw(a3, FieldMemOperand(t0, i));
- __ sw(a3, FieldMemOperand(v0, i));
- }
+ // a2 = argument count (smi-tagged)
+ // t0 = address of arguments map (tagged)
+ __ sw(t0, FieldMemOperand(v0, JSObject::kMapOffset));
+ __ LoadRoot(a3, Heap::kEmptyFixedArrayRootIndex);
+ __ sw(a3, FieldMemOperand(v0, JSObject::kPropertiesOffset));
+ __ sw(a3, FieldMemOperand(v0, JSObject::kElementsOffset));
// Set up the callee in-object property.
STATIC_ASSERT(Heap::kArgumentsCalleeIndex == 1);
__ lw(a3, MemOperand(sp, 2 * kPointerSize));
+ __ AssertNotSmi(a3);
const int kCalleeOffset = JSObject::kHeaderSize +
Heap::kArgumentsCalleeIndex * kPointerSize;
__ sw(a3, FieldMemOperand(v0, kCalleeOffset));
// Use the length (smi tagged) and set that as an in-object property too.
+ __ AssertSmi(a2);
STATIC_ASSERT(Heap::kArgumentsLengthIndex == 0);
const int kLengthOffset = JSObject::kHeaderSize +
Heap::kArgumentsLengthIndex * kPointerSize;
// a2 = argument count (tagged)
__ bind(&runtime);
__ sw(a2, MemOperand(sp, 0 * kPointerSize)); // Patch argument count.
- __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1);
+ __ TailCallRuntime(Runtime::kNewSloppyArguments, 3, 1);
+}
+
+
+void LoadIndexedInterceptorStub::Generate(MacroAssembler* masm) {
+ // Return address is in ra.
+ Label slow;
+
+ Register receiver = LoadDescriptor::ReceiverRegister();
+ Register key = LoadDescriptor::NameRegister();
+
+ // Check that the key is an array index, that is Uint32.
+ __ And(t0, key, Operand(kSmiTagMask | kSmiSignMask));
+ __ Branch(&slow, ne, t0, Operand(zero_reg));
+
+ // Everything is fine, call runtime.
+ __ Push(receiver, key); // Receiver, key.
+
+ // Perform tail call to the entry.
+ __ TailCallExternalReference(
+ ExternalReference(IC_Utility(IC::kLoadElementWithInterceptor),
+ masm->isolate()),
+ 2, 1);
+
+ __ bind(&slow);
+ PropertyAccessCompiler::TailCallBuiltin(
+ masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC));
}
// Get the arguments boilerplate from the current native context.
__ lw(t0, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
__ lw(t0, FieldMemOperand(t0, GlobalObject::kNativeContextOffset));
- __ lw(t0, MemOperand(t0, Context::SlotOffset(
- Context::STRICT_ARGUMENTS_BOILERPLATE_INDEX)));
+ __ lw(t0, MemOperand(
+ t0, Context::SlotOffset(Context::STRICT_ARGUMENTS_MAP_INDEX)));
- // Copy the JS object part.
- __ CopyFields(v0, t0, a3.bit(), JSObject::kHeaderSize / kPointerSize);
+ __ sw(t0, FieldMemOperand(v0, JSObject::kMapOffset));
+ __ LoadRoot(a3, Heap::kEmptyFixedArrayRootIndex);
+ __ sw(a3, FieldMemOperand(v0, JSObject::kPropertiesOffset));
+ __ sw(a3, FieldMemOperand(v0, JSObject::kElementsOffset));
// Get the length (smi tagged) and set that as an in-object property too.
STATIC_ASSERT(Heap::kArgumentsLengthIndex == 0);
__ lw(a1, MemOperand(sp, 0 * kPointerSize));
+ __ AssertSmi(a1);
__ sw(a1, FieldMemOperand(v0, JSObject::kHeaderSize +
Heap::kArgumentsLengthIndex * kPointerSize));
// Do the runtime call to allocate the arguments object.
__ bind(&runtime);
- __ TailCallRuntime(Runtime::kHiddenNewStrictArguments, 3, 1);
+ __ TailCallRuntime(Runtime::kNewStrictArguments, 3, 1);
}
// time or if regexp entry in generated code is turned off runtime switch or
// at compilation.
#ifdef V8_INTERPRETED_REGEXP
- __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1);
+ __ TailCallRuntime(Runtime::kRegExpExecRT, 4, 1);
#else // V8_INTERPRETED_REGEXP
// Stack frame on entry.
STATIC_ASSERT(kStringEncodingMask == 4);
STATIC_ASSERT(kOneByteStringTag == 4);
STATIC_ASSERT(kTwoByteStringTag == 0);
- __ And(a0, a0, Operand(kStringEncodingMask)); // Non-zero for ASCII.
- __ lw(t9, FieldMemOperand(regexp_data, JSRegExp::kDataAsciiCodeOffset));
+ __ And(a0, a0, Operand(kStringEncodingMask)); // Non-zero for one-byte.
+ __ lw(t9, FieldMemOperand(regexp_data, JSRegExp::kDataOneByteCodeOffset));
__ sra(a3, a0, 2); // a3 is 1 for ASCII, 0 for UC16 (used below).
__ lw(t1, FieldMemOperand(regexp_data, JSRegExp::kDataUC16CodeOffset));
__ Movz(t9, t1, a0); // If UC16 (a0 is 0), replace t9 w/kDataUC16CodeOffset.
__ JumpIfSmi(t9, &runtime);
// a1: previous index
- // a3: encoding of subject string (1 if ASCII, 0 if two_byte);
+ // a3: encoding of subject string (1 if one_byte, 0 if two_byte);
// t9: code
// subject: Subject string
// regexp_data: RegExp data (FixedArray)
__ sw(a0, MemOperand(sp, 1 * kPointerSize));
// For arguments 4 and 3 get string length, calculate start of string data
- // and calculate the shift of the index (0 for ASCII and 1 for two byte).
+ // calculate the shift of the index (0 for one-byte and 1 for two-byte).
__ Addu(t2, subject, Operand(SeqString::kHeaderSize - kHeapObjectTag));
__ Xor(a3, a3, Operand(1)); // 1 for 2-byte str, 0 for 1-byte.
// Load the length from the original subject string from the previous stack
// Do the runtime call to execute the regexp.
__ bind(&runtime);
- __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1);
+ __ TailCallRuntime(Runtime::kRegExpExecRT, 4, 1);
// Deferred code for string handling.
// (6) Not a long external string? If yes, go to (8).
// a3 : slot in feedback vector (Smi)
Label initialize, done, miss, megamorphic, not_array_function;
- ASSERT_EQ(*TypeFeedbackInfo::MegamorphicSentinel(masm->isolate()),
+ DCHECK_EQ(*TypeFeedbackVector::MegamorphicSentinel(masm->isolate()),
masm->isolate()->heap()->megamorphic_symbol());
- ASSERT_EQ(*TypeFeedbackInfo::UninitializedSentinel(masm->isolate()),
+ DCHECK_EQ(*TypeFeedbackVector::UninitializedSentinel(masm->isolate()),
masm->isolate()->heap()->uninitialized_symbol());
// Load the cache state into t0.
void CallFunctionStub::Generate(MacroAssembler* masm) {
- CallFunctionNoFeedback(masm, argc_, NeedsChecks(), CallAsMethod());
+ CallFunctionNoFeedback(masm, argc(), NeedsChecks(), CallAsMethod());
}
__ TailCallStub(&stub);
__ bind(&miss);
- GenerateMiss(masm, IC::kCallIC_Customization_Miss);
+ GenerateMiss(masm);
// The slow case, we need this no matter what to complete a call after a miss.
CallFunctionNoFeedback(masm,
Label extra_checks_or_miss, slow_start;
Label slow, non_function, wrap, cont;
Label have_js_function;
- int argc = state_.arg_count();
+ int argc = arg_count();
ParameterCount actual(argc);
EmitLoadTypeFeedbackVector(masm, a2);
__ Branch(&extra_checks_or_miss, ne, a1, Operand(t0));
__ bind(&have_js_function);
- if (state_.CallAsMethod()) {
+ if (CallAsMethod()) {
EmitContinueIfStrictOrNative(masm, &cont);
// Compute the receiver in sloppy mode.
__ lw(a3, MemOperand(sp, argc * kPointerSize));
__ bind(&slow);
EmitSlowCase(masm, argc, &non_function);
- if (state_.CallAsMethod()) {
+ if (CallAsMethod()) {
__ bind(&wrap);
EmitWrapCase(masm, argc, &cont);
}
// We are here because tracing is on or we are going monomorphic.
__ bind(&miss);
- GenerateMiss(masm, IC::kCallIC_Miss);
+ GenerateMiss(masm);
// the slow case
__ bind(&slow_start);
}
-void CallICStub::GenerateMiss(MacroAssembler* masm, IC::UtilityId id) {
+void CallICStub::GenerateMiss(MacroAssembler* masm) {
// Get the receiver of the function from the stack; 1 ~ return address.
- __ lw(t0, MemOperand(sp, (state_.arg_count() + 1) * kPointerSize));
+ __ lw(t0, MemOperand(sp, (arg_count() + 1) * kPointerSize));
{
FrameScope scope(masm, StackFrame::INTERNAL);
__ Push(t0, a1, a2, a3);
// Call the entry.
+ IC::UtilityId id = GetICState() == DEFAULT ? IC::kCallIC_Miss
+ : IC::kCallIC_Customization_Miss;
+
ExternalReference miss = ExternalReference(IC_Utility(id),
masm->isolate());
__ CallExternalReference(miss, 4);
// StringCharCodeAtGenerator.
void StringCharCodeAtGenerator::GenerateFast(MacroAssembler* masm) {
- Label flat_string;
- Label ascii_string;
- Label got_char_code;
- Label sliced_string;
-
- ASSERT(!t0.is(index_));
- ASSERT(!t0.is(result_));
- ASSERT(!t0.is(object_));
+ DCHECK(!t0.is(index_));
+ DCHECK(!t0.is(result_));
+ DCHECK(!t0.is(object_));
// If the receiver is a smi trigger the non-string case.
__ JumpIfSmi(object_, receiver_not_string_);
if (index_flags_ == STRING_INDEX_IS_NUMBER) {
__ CallRuntime(Runtime::kNumberToIntegerMapMinusZero, 1);
} else {
- ASSERT(index_flags_ == STRING_INDEX_IS_ARRAY_INDEX);
+ DCHECK(index_flags_ == STRING_INDEX_IS_ARRAY_INDEX);
// NumberToSmi discards numbers that are not exact integers.
- __ CallRuntime(Runtime::kHiddenNumberToSmi, 1);
+ __ CallRuntime(Runtime::kNumberToSmi, 1);
}
// Save the conversion result before the pop instructions below
call_helper.BeforeCall(masm);
__ sll(index_, index_, kSmiTagSize);
__ Push(object_, index_);
- __ CallRuntime(Runtime::kHiddenStringCharCodeAt, 2);
+ __ CallRuntime(Runtime::kStringCharCodeAtRT, 2);
__ Move(result_, v0);
void StringCharFromCodeGenerator::GenerateFast(MacroAssembler* masm) {
// Fast case of Heap::LookupSingleCharacterStringFromCode.
- ASSERT(!t0.is(result_));
- ASSERT(!t0.is(code_));
+ DCHECK(!t0.is(result_));
+ DCHECK(!t0.is(code_));
STATIC_ASSERT(kSmiTag == 0);
STATIC_ASSERT(kSmiShiftSize == 0);
- ASSERT(IsPowerOf2(String::kMaxOneByteCharCode + 1));
+ DCHECK(base::bits::IsPowerOfTwo32(String::kMaxOneByteCharCode + 1));
__ And(t0,
code_,
Operand(kSmiTagMask |
__ Branch(&slow_case_, ne, t0, Operand(zero_reg));
__ LoadRoot(result_, Heap::kSingleCharacterStringCacheRootIndex);
- // At this point code register contains smi tagged ASCII char code.
+ // At this point code register contains smi tagged one-byte char code.
STATIC_ASSERT(kSmiTag == 0);
__ sll(t0, code_, kPointerSizeLog2 - kSmiTagSize);
__ Addu(result_, result_, t0);
}
-enum CopyCharactersFlags {
- COPY_ASCII = 1,
- DEST_ALWAYS_ALIGNED = 2
-};
+enum CopyCharactersFlags { COPY_ONE_BYTE = 1, DEST_ALWAYS_ALIGNED = 2 };
void StringHelper::GenerateCopyCharacters(MacroAssembler* masm,
}
-void StringHelper::GenerateHashInit(MacroAssembler* masm,
- Register hash,
- Register character) {
- // hash = seed + character + ((seed + character) << 10);
- __ LoadRoot(hash, Heap::kHashSeedRootIndex);
- // Untag smi seed and add the character.
- __ SmiUntag(hash);
- __ addu(hash, hash, character);
- __ sll(at, hash, 10);
- __ addu(hash, hash, at);
- // hash ^= hash >> 6;
- __ srl(at, hash, 6);
- __ xor_(hash, hash, at);
-}
-
-
-void StringHelper::GenerateHashAddCharacter(MacroAssembler* masm,
- Register hash,
- Register character) {
- // hash += character;
- __ addu(hash, hash, character);
- // hash += hash << 10;
- __ sll(at, hash, 10);
- __ addu(hash, hash, at);
- // hash ^= hash >> 6;
- __ srl(at, hash, 6);
- __ xor_(hash, hash, at);
-}
-
-
-void StringHelper::GenerateHashGetHash(MacroAssembler* masm,
- Register hash) {
- // hash += hash << 3;
- __ sll(at, hash, 3);
- __ addu(hash, hash, at);
- // hash ^= hash >> 11;
- __ srl(at, hash, 11);
- __ xor_(hash, hash, at);
- // hash += hash << 15;
- __ sll(at, hash, 15);
- __ addu(hash, hash, at);
-
- __ li(at, Operand(String::kHashBitMask));
- __ and_(hash, hash, at);
-
- // if (hash == 0) hash = 27;
- __ ori(at, zero_reg, StringHasher::kZeroHash);
- __ Movz(hash, at, hash);
-}
-
-
void SubStringStub::Generate(MacroAssembler* masm) {
Label runtime;
// Stack frame on entry.
STATIC_ASSERT((kStringEncodingMask & kTwoByteStringTag) == 0);
__ And(t0, a1, Operand(kStringEncodingMask));
__ Branch(&two_byte_slice, eq, t0, Operand(zero_reg));
- __ AllocateAsciiSlicedString(v0, a2, t2, t3, &runtime);
+ __ AllocateOneByteSlicedString(v0, a2, t2, t3, &runtime);
__ jmp(&set_slice_header);
__ bind(&two_byte_slice);
__ AllocateTwoByteSlicedString(v0, a2, t2, t3, &runtime);
__ Branch(&two_byte_sequential, eq, t0, Operand(zero_reg));
// Allocate and copy the resulting ASCII string.
- __ AllocateAsciiString(v0, a2, t0, t2, t3, &runtime);
+ __ AllocateOneByteString(v0, a2, t0, t2, t3, &runtime);
// Locate first character of substring to copy.
__ Addu(t1, t1, a3);
// Just jump to runtime to create the sub string.
__ bind(&runtime);
- __ TailCallRuntime(Runtime::kHiddenSubString, 3, 1);
+ __ TailCallRuntime(Runtime::kSubString, 3, 1);
__ bind(&single_char);
// v0: original string
}
-void StringCompareStub::GenerateFlatAsciiStringEquals(MacroAssembler* masm,
- Register left,
- Register right,
- Register scratch1,
- Register scratch2,
- Register scratch3) {
+void StringHelper::GenerateFlatOneByteStringEquals(
+ MacroAssembler* masm, Register left, Register right, Register scratch1,
+ Register scratch2, Register scratch3) {
Register length = scratch1;
// Compare lengths.
__ lw(scratch2, FieldMemOperand(right, String::kLengthOffset));
__ Branch(&check_zero_length, eq, length, Operand(scratch2));
__ bind(&strings_not_equal);
- ASSERT(is_int16(NOT_EQUAL));
+ DCHECK(is_int16(NOT_EQUAL));
__ Ret(USE_DELAY_SLOT);
__ li(v0, Operand(Smi::FromInt(NOT_EQUAL)));
__ bind(&check_zero_length);
STATIC_ASSERT(kSmiTag == 0);
__ Branch(&compare_chars, ne, length, Operand(zero_reg));
- ASSERT(is_int16(EQUAL));
+ DCHECK(is_int16(EQUAL));
__ Ret(USE_DELAY_SLOT);
__ li(v0, Operand(Smi::FromInt(EQUAL)));
// Compare characters.
__ bind(&compare_chars);
- GenerateAsciiCharsCompareLoop(masm,
- left, right, length, scratch2, scratch3, v0,
- &strings_not_equal);
+ GenerateOneByteCharsCompareLoop(masm, left, right, length, scratch2, scratch3,
+ v0, &strings_not_equal);
// Characters are equal.
__ Ret(USE_DELAY_SLOT);
}
-void StringCompareStub::GenerateCompareFlatAsciiStrings(MacroAssembler* masm,
- Register left,
- Register right,
- Register scratch1,
- Register scratch2,
- Register scratch3,
- Register scratch4) {
+void StringHelper::GenerateCompareFlatOneByteStrings(
+ MacroAssembler* masm, Register left, Register right, Register scratch1,
+ Register scratch2, Register scratch3, Register scratch4) {
Label result_not_equal, compare_lengths;
// Find minimum length and length difference.
__ lw(scratch1, FieldMemOperand(left, String::kLengthOffset));
__ Branch(&compare_lengths, eq, min_length, Operand(zero_reg));
// Compare loop.
- GenerateAsciiCharsCompareLoop(masm,
- left, right, min_length, scratch2, scratch4, v0,
- &result_not_equal);
+ GenerateOneByteCharsCompareLoop(masm, left, right, min_length, scratch2,
+ scratch4, v0, &result_not_equal);
// Compare lengths - strings up to min-length are equal.
__ bind(&compare_lengths);
- ASSERT(Smi::FromInt(EQUAL) == static_cast<Smi*>(0));
+ DCHECK(Smi::FromInt(EQUAL) == static_cast<Smi*>(0));
// Use length_delta as result if it's zero.
__ mov(scratch2, length_delta);
__ mov(scratch4, zero_reg);
}
-void StringCompareStub::GenerateAsciiCharsCompareLoop(
- MacroAssembler* masm,
- Register left,
- Register right,
- Register length,
- Register scratch1,
- Register scratch2,
- Register scratch3,
+void StringHelper::GenerateOneByteCharsCompareLoop(
+ MacroAssembler* masm, Register left, Register right, Register length,
+ Register scratch1, Register scratch2, Register scratch3,
Label* chars_not_equal) {
// Change index to run from -length to -1 by adding length to string
// start. This means that loop ends when index reaches zero, which
__ bind(¬_same);
- // Check that both objects are sequential ASCII strings.
- __ JumpIfNotBothSequentialAsciiStrings(a1, a0, a2, a3, &runtime);
+ // Check that both objects are sequential one-byte strings.
+ __ JumpIfNotBothSequentialOneByteStrings(a1, a0, a2, a3, &runtime);
// Compare flat ASCII strings natively. Remove arguments from stack first.
__ IncrementCounter(counters->string_compare_native(), 1, a2, a3);
__ Addu(sp, sp, Operand(2 * kPointerSize));
- GenerateCompareFlatAsciiStrings(masm, a1, a0, a2, a3, t0, t1);
+ StringHelper::GenerateCompareFlatOneByteStrings(masm, a1, a0, a2, a3, t0, t1);
__ bind(&runtime);
- __ TailCallRuntime(Runtime::kHiddenStringCompare, 2, 1);
+ __ TailCallRuntime(Runtime::kStringCompare, 2, 1);
}
// Tail call into the stub that handles binary operations with allocation
// sites.
- BinaryOpWithAllocationSiteStub stub(isolate(), state_);
+ BinaryOpWithAllocationSiteStub stub(isolate(), state());
__ TailCallStub(&stub);
}
-void ICCompareStub::GenerateSmis(MacroAssembler* masm) {
- ASSERT(state_ == CompareIC::SMI);
+void CompareICStub::GenerateSmis(MacroAssembler* masm) {
+ DCHECK(state() == CompareICState::SMI);
Label miss;
__ Or(a2, a1, a0);
__ JumpIfNotSmi(a2, &miss);
}
-void ICCompareStub::GenerateNumbers(MacroAssembler* masm) {
- ASSERT(state_ == CompareIC::NUMBER);
+void CompareICStub::GenerateNumbers(MacroAssembler* masm) {
+ DCHECK(state() == CompareICState::NUMBER);
Label generic_stub;
Label unordered, maybe_undefined1, maybe_undefined2;
Label miss;
- if (left_ == CompareIC::SMI) {
+ if (left() == CompareICState::SMI) {
__ JumpIfNotSmi(a1, &miss);
}
- if (right_ == CompareIC::SMI) {
+ if (right() == CompareICState::SMI) {
__ JumpIfNotSmi(a0, &miss);
}
__ BranchF(&fpu_lt, NULL, lt, f0, f2);
// Otherwise it's greater, so just fall thru, and return.
- ASSERT(is_int16(GREATER) && is_int16(EQUAL) && is_int16(LESS));
+ DCHECK(is_int16(GREATER) && is_int16(EQUAL) && is_int16(LESS));
__ Ret(USE_DELAY_SLOT);
__ li(v0, Operand(GREATER));
__ bind(&unordered);
__ bind(&generic_stub);
- ICCompareStub stub(isolate(), op_, CompareIC::GENERIC, CompareIC::GENERIC,
- CompareIC::GENERIC);
+ CompareICStub stub(isolate(), op(), CompareICState::GENERIC,
+ CompareICState::GENERIC, CompareICState::GENERIC);
__ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
__ bind(&maybe_undefined1);
- if (Token::IsOrderedRelationalCompareOp(op_)) {
+ if (Token::IsOrderedRelationalCompareOp(op())) {
__ LoadRoot(at, Heap::kUndefinedValueRootIndex);
__ Branch(&miss, ne, a0, Operand(at));
__ JumpIfSmi(a1, &unordered);
}
__ bind(&maybe_undefined2);
- if (Token::IsOrderedRelationalCompareOp(op_)) {
+ if (Token::IsOrderedRelationalCompareOp(op())) {
__ LoadRoot(at, Heap::kUndefinedValueRootIndex);
__ Branch(&unordered, eq, a1, Operand(at));
}
}
-void ICCompareStub::GenerateInternalizedStrings(MacroAssembler* masm) {
- ASSERT(state_ == CompareIC::INTERNALIZED_STRING);
+void CompareICStub::GenerateInternalizedStrings(MacroAssembler* masm) {
+ DCHECK(state() == CompareICState::INTERNALIZED_STRING);
Label miss;
// Registers containing left and right operands respectively.
// Make sure a0 is non-zero. At this point input operands are
// guaranteed to be non-zero.
- ASSERT(right.is(a0));
+ DCHECK(right.is(a0));
STATIC_ASSERT(EQUAL == 0);
STATIC_ASSERT(kSmiTag == 0);
__ mov(v0, right);
// Internalized strings are compared by identity.
__ Ret(ne, left, Operand(right));
- ASSERT(is_int16(EQUAL));
+ DCHECK(is_int16(EQUAL));
__ Ret(USE_DELAY_SLOT);
__ li(v0, Operand(Smi::FromInt(EQUAL)));
}
-void ICCompareStub::GenerateUniqueNames(MacroAssembler* masm) {
- ASSERT(state_ == CompareIC::UNIQUE_NAME);
- ASSERT(GetCondition() == eq);
+void CompareICStub::GenerateUniqueNames(MacroAssembler* masm) {
+ DCHECK(state() == CompareICState::UNIQUE_NAME);
+ DCHECK(GetCondition() == eq);
Label miss;
// Registers containing left and right operands respectively.
__ lbu(tmp1, FieldMemOperand(tmp1, Map::kInstanceTypeOffset));
__ lbu(tmp2, FieldMemOperand(tmp2, Map::kInstanceTypeOffset));
- __ JumpIfNotUniqueName(tmp1, &miss);
- __ JumpIfNotUniqueName(tmp2, &miss);
+ __ JumpIfNotUniqueNameInstanceType(tmp1, &miss);
+ __ JumpIfNotUniqueNameInstanceType(tmp2, &miss);
// Use a0 as result
__ mov(v0, a0);
__ Branch(&done, ne, left, Operand(right));
// Make sure a0 is non-zero. At this point input operands are
// guaranteed to be non-zero.
- ASSERT(right.is(a0));
+ DCHECK(right.is(a0));
STATIC_ASSERT(EQUAL == 0);
STATIC_ASSERT(kSmiTag == 0);
__ li(v0, Operand(Smi::FromInt(EQUAL)));
}
-void ICCompareStub::GenerateStrings(MacroAssembler* masm) {
- ASSERT(state_ == CompareIC::STRING);
+void CompareICStub::GenerateStrings(MacroAssembler* masm) {
+ DCHECK(state() == CompareICState::STRING);
Label miss;
- bool equality = Token::IsEqualityOp(op_);
+ bool equality = Token::IsEqualityOp(op());
// Registers containing left and right operands respectively.
Register left = a1;
// because we already know they are not identical. We know they are both
// strings.
if (equality) {
- ASSERT(GetCondition() == eq);
+ DCHECK(GetCondition() == eq);
STATIC_ASSERT(kInternalizedTag == 0);
__ Or(tmp3, tmp1, Operand(tmp2));
__ And(tmp5, tmp3, Operand(kIsNotInternalizedMask));
__ Branch(&is_symbol, ne, tmp5, Operand(zero_reg));
// Make sure a0 is non-zero. At this point input operands are
// guaranteed to be non-zero.
- ASSERT(right.is(a0));
+ DCHECK(right.is(a0));
__ Ret(USE_DELAY_SLOT);
__ mov(v0, a0); // In the delay slot.
__ bind(&is_symbol);
}
- // Check that both strings are sequential ASCII.
+ // Check that both strings are sequential one-byte.
Label runtime;
- __ JumpIfBothInstanceTypesAreNotSequentialAscii(
- tmp1, tmp2, tmp3, tmp4, &runtime);
+ __ JumpIfBothInstanceTypesAreNotSequentialOneByte(tmp1, tmp2, tmp3, tmp4,
+ &runtime);
- // Compare flat ASCII strings. Returns when done.
+ // Compare flat one-byte strings. Returns when done.
if (equality) {
- StringCompareStub::GenerateFlatAsciiStringEquals(
- masm, left, right, tmp1, tmp2, tmp3);
+ StringHelper::GenerateFlatOneByteStringEquals(masm, left, right, tmp1, tmp2,
+ tmp3);
} else {
- StringCompareStub::GenerateCompareFlatAsciiStrings(
- masm, left, right, tmp1, tmp2, tmp3, tmp4);
+ StringHelper::GenerateCompareFlatOneByteStrings(masm, left, right, tmp1,
+ tmp2, tmp3, tmp4);
}
// Handle more complex cases in runtime.
if (equality) {
__ TailCallRuntime(Runtime::kStringEquals, 2, 1);
} else {
- __ TailCallRuntime(Runtime::kHiddenStringCompare, 2, 1);
+ __ TailCallRuntime(Runtime::kStringCompare, 2, 1);
}
__ bind(&miss);
}
-void ICCompareStub::GenerateObjects(MacroAssembler* masm) {
- ASSERT(state_ == CompareIC::OBJECT);
+void CompareICStub::GenerateObjects(MacroAssembler* masm) {
+ DCHECK(state() == CompareICState::OBJECT);
Label miss;
__ And(a2, a1, Operand(a0));
__ JumpIfSmi(a2, &miss);
__ GetObjectType(a1, a2, a2);
__ Branch(&miss, ne, a2, Operand(JS_OBJECT_TYPE));
- ASSERT(GetCondition() == eq);
+ DCHECK(GetCondition() == eq);
__ Ret(USE_DELAY_SLOT);
__ subu(v0, a0, a1);
}
-void ICCompareStub::GenerateKnownObjects(MacroAssembler* masm) {
+void CompareICStub::GenerateKnownObjects(MacroAssembler* masm) {
Label miss;
__ And(a2, a1, a0);
__ JumpIfSmi(a2, &miss);
}
-void ICCompareStub::GenerateMiss(MacroAssembler* masm) {
+void CompareICStub::GenerateMiss(MacroAssembler* masm) {
{
// Call the runtime system in a fresh internal frame.
ExternalReference miss =
FrameScope scope(masm, StackFrame::INTERNAL);
__ Push(a1, a0);
__ Push(ra, a1, a0);
- __ li(t0, Operand(Smi::FromInt(op_)));
+ __ li(t0, Operand(Smi::FromInt(op())));
__ addiu(sp, sp, -kPointerSize);
__ CallExternalReference(miss, 3, USE_DELAY_SLOT);
__ sw(t0, MemOperand(sp)); // In the delay slot.
Register properties,
Handle<Name> name,
Register scratch0) {
- ASSERT(name->IsUniqueName());
+ DCHECK(name->IsUniqueName());
// If names of slots in range from 1 to kProbes - 1 for the hash value are
// not equal to the name and kProbes-th slot is not used (its name is the
// undefined value), it guarantees the hash table doesn't contain the
Smi::FromInt(name->Hash() + NameDictionary::GetProbeOffset(i))));
// Scale the index by multiplying by the entry size.
- ASSERT(NameDictionary::kEntrySize == 3);
+ DCHECK(NameDictionary::kEntrySize == 3);
__ sll(at, index, 1);
__ Addu(index, index, at);
Register entity_name = scratch0;
// Having undefined at this place means the name is not contained.
- ASSERT_EQ(kSmiTagSize, 1);
+ DCHECK_EQ(kSmiTagSize, 1);
Register tmp = properties;
__ sll(scratch0, index, 1);
__ Addu(tmp, properties, scratch0);
__ lw(entity_name, FieldMemOperand(tmp, kElementsStartOffset));
- ASSERT(!tmp.is(entity_name));
+ DCHECK(!tmp.is(entity_name));
__ LoadRoot(tmp, Heap::kUndefinedValueRootIndex);
__ Branch(done, eq, entity_name, Operand(tmp));
__ lw(entity_name, FieldMemOperand(entity_name, HeapObject::kMapOffset));
__ lbu(entity_name,
FieldMemOperand(entity_name, Map::kInstanceTypeOffset));
- __ JumpIfNotUniqueName(entity_name, miss);
+ __ JumpIfNotUniqueNameInstanceType(entity_name, miss);
__ bind(&good);
// Restore the properties.
Register name,
Register scratch1,
Register scratch2) {
- ASSERT(!elements.is(scratch1));
- ASSERT(!elements.is(scratch2));
- ASSERT(!name.is(scratch1));
- ASSERT(!name.is(scratch2));
+ DCHECK(!elements.is(scratch1));
+ DCHECK(!elements.is(scratch2));
+ DCHECK(!name.is(scratch1));
+ DCHECK(!name.is(scratch2));
__ AssertName(name);
// Add the probe offset (i + i * i) left shifted to avoid right shifting
// the hash in a separate instruction. The value hash + i + i * i is right
// shifted in the following and instruction.
- ASSERT(NameDictionary::GetProbeOffset(i) <
+ DCHECK(NameDictionary::GetProbeOffset(i) <
1 << (32 - Name::kHashFieldOffset));
__ Addu(scratch2, scratch2, Operand(
NameDictionary::GetProbeOffset(i) << Name::kHashShift));
__ And(scratch2, scratch1, scratch2);
// Scale the index by multiplying by the element size.
- ASSERT(NameDictionary::kEntrySize == 3);
+ DCHECK(NameDictionary::kEntrySize == 3);
// scratch2 = scratch2 * 3.
__ sll(at, scratch2, 1);
__ MultiPush(spill_mask);
if (name.is(a0)) {
- ASSERT(!elements.is(a1));
+ DCHECK(!elements.is(a1));
__ Move(a1, name);
__ Move(a0, elements);
} else {
// Add the probe offset (i + i * i) left shifted to avoid right shifting
// the hash in a separate instruction. The value hash + i + i * i is right
// shifted in the following and instruction.
- ASSERT(NameDictionary::GetProbeOffset(i) <
+ DCHECK(NameDictionary::GetProbeOffset(i) <
1 << (32 - Name::kHashFieldOffset));
__ Addu(index, hash, Operand(
NameDictionary::GetProbeOffset(i) << Name::kHashShift));
__ And(index, mask, index);
// Scale the index by multiplying by the entry size.
- ASSERT(NameDictionary::kEntrySize == 3);
+ DCHECK(NameDictionary::kEntrySize == 3);
// index *= 3.
__ mov(at, index);
__ sll(index, index, 1);
__ Addu(index, index, at);
- ASSERT_EQ(kSmiTagSize, 1);
+ DCHECK_EQ(kSmiTagSize, 1);
__ sll(index, index, 2);
__ Addu(index, index, dictionary);
__ lw(entry_key, FieldMemOperand(index, kElementsStartOffset));
// Stop if found the property.
__ Branch(&in_dictionary, eq, entry_key, Operand(key));
- if (i != kTotalProbes - 1 && mode_ == NEGATIVE_LOOKUP) {
+ if (i != kTotalProbes - 1 && mode() == NEGATIVE_LOOKUP) {
// Check if the entry name is not a unique name.
__ lw(entry_key, FieldMemOperand(entry_key, HeapObject::kMapOffset));
__ lbu(entry_key,
FieldMemOperand(entry_key, Map::kInstanceTypeOffset));
- __ JumpIfNotUniqueName(entry_key, &maybe_in_dictionary);
+ __ JumpIfNotUniqueNameInstanceType(entry_key, &maybe_in_dictionary);
}
}
// If we are doing negative lookup then probing failure should be
// treated as a lookup success. For positive lookup probing failure
// should be treated as lookup failure.
- if (mode_ == POSITIVE_LOOKUP) {
+ if (mode() == POSITIVE_LOOKUP) {
__ Ret(USE_DELAY_SLOT);
__ mov(result, zero_reg);
}
__ beq(zero_reg, zero_reg, &skip_to_incremental_compacting);
__ nop();
- if (remembered_set_action_ == EMIT_REMEMBERED_SET) {
- __ RememberedSetHelper(object_,
- address_,
- value_,
- save_fp_regs_mode_,
+ if (remembered_set_action() == EMIT_REMEMBERED_SET) {
+ __ RememberedSetHelper(object(),
+ address(),
+ value(),
+ save_fp_regs_mode(),
MacroAssembler::kReturnAtEnd);
}
__ Ret();
void RecordWriteStub::GenerateIncremental(MacroAssembler* masm, Mode mode) {
regs_.Save(masm);
- if (remembered_set_action_ == EMIT_REMEMBERED_SET) {
+ if (remembered_set_action() == EMIT_REMEMBERED_SET) {
Label dont_need_remembered_set;
__ lw(regs_.scratch0(), MemOperand(regs_.address(), 0));
masm, kUpdateRememberedSetOnNoNeedToInformIncrementalMarker, mode);
InformIncrementalMarker(masm);
regs_.Restore(masm);
- __ RememberedSetHelper(object_,
- address_,
- value_,
- save_fp_regs_mode_,
+ __ RememberedSetHelper(object(),
+ address(),
+ value(),
+ save_fp_regs_mode(),
MacroAssembler::kReturnAtEnd);
__ bind(&dont_need_remembered_set);
void RecordWriteStub::InformIncrementalMarker(MacroAssembler* masm) {
- regs_.SaveCallerSaveRegisters(masm, save_fp_regs_mode_);
+ regs_.SaveCallerSaveRegisters(masm, save_fp_regs_mode());
int argument_count = 3;
__ PrepareCallCFunction(argument_count, regs_.scratch0());
Register address =
a0.is(regs_.address()) ? regs_.scratch0() : regs_.address();
- ASSERT(!address.is(regs_.object()));
- ASSERT(!address.is(a0));
+ DCHECK(!address.is(regs_.object()));
+ DCHECK(!address.is(a0));
__ Move(address, regs_.address());
__ Move(a0, regs_.object());
__ Move(a1, address);
__ CallCFunction(
ExternalReference::incremental_marking_record_write_function(isolate()),
argument_count);
- regs_.RestoreCallerSaveRegisters(masm, save_fp_regs_mode_);
+ regs_.RestoreCallerSaveRegisters(masm, save_fp_regs_mode());
}
regs_.Restore(masm);
if (on_no_need == kUpdateRememberedSetOnNoNeedToInformIncrementalMarker) {
- __ RememberedSetHelper(object_,
- address_,
- value_,
- save_fp_regs_mode_,
+ __ RememberedSetHelper(object(),
+ address(),
+ value(),
+ save_fp_regs_mode(),
MacroAssembler::kReturnAtEnd);
} else {
__ Ret();
regs_.Restore(masm);
if (on_no_need == kUpdateRememberedSetOnNoNeedToInformIncrementalMarker) {
- __ RememberedSetHelper(object_,
- address_,
- value_,
- save_fp_regs_mode_,
+ __ RememberedSetHelper(object(),
+ address(),
+ value(),
+ save_fp_regs_mode(),
MacroAssembler::kReturnAtEnd);
} else {
__ Ret();
int parameter_count_offset =
StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset;
__ lw(a1, MemOperand(fp, parameter_count_offset));
- if (function_mode_ == JS_FUNCTION_STUB_MODE) {
+ if (function_mode() == JS_FUNCTION_STUB_MODE) {
__ Addu(a1, a1, Operand(1));
}
masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
}
+void LoadICTrampolineStub::Generate(MacroAssembler* masm) {
+ EmitLoadTypeFeedbackVector(masm, VectorLoadICDescriptor::VectorRegister());
+ VectorLoadStub stub(isolate(), state());
+ __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+}
+
+
+void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) {
+ EmitLoadTypeFeedbackVector(masm, VectorLoadICDescriptor::VectorRegister());
+ VectorKeyedLoadStub stub(isolate());
+ __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+}
+
+
void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
if (masm->isolate()->function_entry_hook() != NULL) {
ProfileEntryHookStub stub(masm->isolate());
int frame_alignment = masm->ActivationFrameAlignment();
if (frame_alignment > kPointerSize) {
__ mov(s5, sp);
- ASSERT(IsPowerOf2(frame_alignment));
+ DCHECK(base::bits::IsPowerOfTwo32(frame_alignment));
__ And(sp, sp, Operand(-frame_alignment));
}
__ Subu(sp, sp, kCArgsSlotsSize);
// sp[0] - last argument
Label normal_sequence;
if (mode == DONT_OVERRIDE) {
- ASSERT(FAST_SMI_ELEMENTS == 0);
- ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
- ASSERT(FAST_ELEMENTS == 2);
- ASSERT(FAST_HOLEY_ELEMENTS == 3);
- ASSERT(FAST_DOUBLE_ELEMENTS == 4);
- ASSERT(FAST_HOLEY_DOUBLE_ELEMENTS == 5);
+ DCHECK(FAST_SMI_ELEMENTS == 0);
+ DCHECK(FAST_HOLEY_SMI_ELEMENTS == 1);
+ DCHECK(FAST_ELEMENTS == 2);
+ DCHECK(FAST_HOLEY_ELEMENTS == 3);
+ DCHECK(FAST_DOUBLE_ELEMENTS == 4);
+ DCHECK(FAST_HOLEY_DOUBLE_ELEMENTS == 5);
// is the low bit set? If so, we are holey and that is good.
__ And(at, a3, Operand(1));
void ArrayConstructorStub::GenerateDispatchToArrayStub(
MacroAssembler* masm,
AllocationSiteOverrideMode mode) {
- if (argument_count_ == ANY) {
+ if (argument_count() == ANY) {
Label not_zero_case, not_one_case;
__ And(at, a0, a0);
__ Branch(¬_zero_case, ne, at, Operand(zero_reg));
__ bind(¬_one_case);
CreateArrayDispatch<ArrayNArgumentsConstructorStub>(masm, mode);
- } else if (argument_count_ == NONE) {
+ } else if (argument_count() == NONE) {
CreateArrayDispatch<ArrayNoArgumentConstructorStub>(masm, mode);
- } else if (argument_count_ == ONE) {
+ } else if (argument_count() == ONE) {
CreateArrayDispatchOneArgument(masm, mode);
- } else if (argument_count_ == MORE_THAN_ONE) {
+ } else if (argument_count() == MORE_THAN_ONE) {
CreateArrayDispatch<ArrayNArgumentsConstructorStub>(masm, mode);
} else {
UNREACHABLE();
void ArrayConstructorStub::Generate(MacroAssembler* masm) {
// ----------- S t a t e -------------
- // -- a0 : argc (only if argument_count_ == ANY)
+ // -- a0 : argc (only if argument_count() == ANY)
// -- a1 : constructor
// -- a2 : AllocationSite or undefined
// -- sp[0] : return address
Register api_function_address = a1;
Register context = cp;
- int argc = ArgumentBits::decode(bit_field_);
- bool is_store = IsStoreBits::decode(bit_field_);
- bool call_data_undefined = CallDataUndefinedBits::decode(bit_field_);
+ int argc = this->argc();
+ bool is_store = this->is_store();
+ bool call_data_undefined = this->call_data_undefined();
typedef FunctionCallbackArguments FCA;
FrameScope frame_scope(masm, StackFrame::MANUAL);
__ EnterExitFrame(false, kApiStackSpace);
- ASSERT(!api_function_address.is(a0) && !scratch.is(a0));
+ DCHECK(!api_function_address.is(a0) && !scratch.is(a0));
// a0 = FunctionCallbackInfo&
// Arguments is after the return address.
__ Addu(a0, sp, Operand(1 * kPointerSize));
// -- a2 : api_function_address
// -----------------------------------
- Register api_function_address = a2;
+ Register api_function_address = ApiGetterDescriptor::function_address();
+ DCHECK(api_function_address.is(a2));
__ mov(a0, sp); // a0 = Handle<Name>
__ Addu(a1, a0, Operand(1 * kPointerSize)); // a1 = PCA
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