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Unified Diff: src/x64/code-stubs-x64.cc

Issue 352583002: The IC exposes a register definition. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed comments. Created 6 years, 6 months ago
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Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index 0bc57390ecedc08840e4f5d9e571ce799aca4435..84f3f990bee3bd0388a7ada297a3a46a5b26ec10 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -18,170 +18,120 @@ namespace internal {
void FastNewClosureStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rbx };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenNewClosureFromStubFailure)->entry;
+ Register registers[] = { rbx };
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
+ Runtime::FunctionForId(Runtime::kHiddenNewClosureFromStubFailure)->entry);
}
void FastNewContextStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdi };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
+ Register registers[] = { rdi };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void ToNumberStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
+ Register registers[] = { rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void NumberToStringStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenNumberToString)->entry;
+ Register registers[] = { rax };
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
+ Runtime::FunctionForId(Runtime::kHiddenNumberToString)->entry);
}
void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax, rbx, rcx };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- static Representation representations[] = {
+ Register registers[] = { rax, rbx, rcx };
+ Representation representations[] = {
Representation::Tagged(),
Representation::Smi(),
Representation::Tagged() };
- descriptor->register_param_representations_ = representations;
- descriptor->deoptimization_handler_ =
+
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
Runtime::FunctionForId(
- Runtime::kHiddenCreateArrayLiteralStubBailout)->entry;
+ Runtime::kHiddenCreateArrayLiteralStubBailout)->entry,
+ representations);
}
void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax, rbx, rcx, rdx };
- descriptor->register_param_count_ = 4;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenCreateObjectLiteral)->entry;
+ Register registers[] = { rax, rbx, rcx, rdx };
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
+ Runtime::FunctionForId(Runtime::kHiddenCreateObjectLiteral)->entry);
}
void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rbx, rdx };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
-}
-
-
-void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx, rax };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
-}
-
-
-void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
- CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx, rax };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+ Register registers[] = { rbx, rdx };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void RegExpConstructResultStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rcx, rbx, rax };
- 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[] = { rdx, rax };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+ Register registers[] = { rcx, rbx, rax };
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
+ Runtime::FunctionForId(Runtime::kHiddenRegExpConstructResult)->entry);
}
void LoadFieldStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
+ Register registers[] = { rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
+ Register registers[] = { rdx };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void StringLengthStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax, rcx };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
+ Register registers[] = { rax, rcx };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void KeyedStringLengthStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx, rax };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = NULL;
+ Register registers[] = { rdx, rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void KeyedStoreFastElementStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx, rcx, rax };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(KeyedStoreIC_MissFromStubFailure);
+ Register registers[] = { rdx, rcx, rax };
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
+ FUNCTION_ADDR(KeyedStoreIC_MissFromStubFailure));
}
void TransitionElementsKindStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax, rbx };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kTransitionElementsKind)->entry;
+ Register registers[] = { rax, rbx };
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
+ Runtime::FunctionForId(Runtime::kTransitionElementsKind)->entry);
}
@@ -192,29 +142,31 @@ static void InitializeArrayConstructorDescriptor(
// rax -- number of arguments
// rdi -- function
// rbx -- allocation site with elements kind
- static Register registers_variable_args[] = { rdi, rbx, rax };
- static Register registers_no_args[] = { rdi, rbx };
+ Address deopt_handler = Runtime::FunctionForId(
+ Runtime::kHiddenArrayConstructor)->entry;
if (constant_stack_parameter_count == 0) {
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers_no_args;
+ Register registers[] = { rdi, rbx };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ deopt_handler,
+ NULL,
+ 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_ = rax;
- descriptor->register_param_count_ = 3;
- static Representation representations[] = {
+ Register registers[] = { rdi, rbx, rax };
+ Representation representations[] = {
Representation::Tagged(),
Representation::Tagged(),
Representation::Integer32() };
- descriptor->register_param_representations_ = representations;
- descriptor->register_params_ = registers_variable_args;
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ rax,
+ deopt_handler,
+ representations,
+ 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;
}
@@ -224,28 +176,30 @@ static void InitializeInternalArrayConstructorDescriptor(
// register state
// rax -- number of arguments
// rdi -- constructor function
- static Register registers_variable_args[] = { rdi, rax };
- static Register registers_no_args[] = { rdi };
+ Address deopt_handler = Runtime::FunctionForId(
+ Runtime::kHiddenInternalArrayConstructor)->entry;
if (constant_stack_parameter_count == 0) {
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers_no_args;
+ Register registers[] = { rdi };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ deopt_handler,
+ NULL,
+ 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_ = rax;
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers_variable_args;
- static Representation representations[] = {
+ Register registers[] = { rdi, rax };
+ Representation representations[] = {
Representation::Tagged(),
Representation::Integer32() };
- descriptor->register_param_representations_ = representations;
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ rax,
+ deopt_handler,
+ representations,
+ 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;
}
@@ -287,11 +241,9 @@ void InternalArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
void CompareNilICStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(CompareNilIC_Miss);
+ Register registers[] = { rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ FUNCTION_ADDR(CompareNilIC_Miss));
descriptor->SetMissHandler(
ExternalReference(IC_Utility(IC::kCompareNilIC_Miss), isolate()));
}
@@ -299,11 +251,9 @@ void CompareNilICStub::InitializeInterfaceDescriptor(
void ToBooleanStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax };
- descriptor->register_param_count_ = 1;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(ToBooleanIC_Miss);
+ Register registers[] = { rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ FUNCTION_ADDR(ToBooleanIC_Miss));
descriptor->SetMissHandler(
ExternalReference(IC_Utility(IC::kToBooleanIC_Miss), isolate()));
}
@@ -311,30 +261,25 @@ void ToBooleanStub::InitializeInterfaceDescriptor(
void StoreGlobalStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx, rcx, rax };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(StoreIC_MissFromStubFailure);
+ Register registers[] = { rdx, rcx, rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ FUNCTION_ADDR(StoreIC_MissFromStubFailure));
}
void ElementsTransitionAndStoreStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rax, rbx, rcx, rdx };
- descriptor->register_param_count_ = 4;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(ElementsTransitionAndStoreIC_Miss);
+ Register registers[] = { rax, rbx, rcx, rdx };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ FUNCTION_ADDR(ElementsTransitionAndStoreIC_Miss));
}
void BinaryOpICStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx, rax };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ = FUNCTION_ADDR(BinaryOpIC_Miss);
+ Register registers[] = { rdx, rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ FUNCTION_ADDR(BinaryOpIC_Miss));
descriptor->SetMissHandler(
ExternalReference(IC_Utility(IC::kBinaryOpIC_Miss), isolate()));
}
@@ -342,21 +287,18 @@ void BinaryOpICStub::InitializeInterfaceDescriptor(
void BinaryOpWithAllocationSiteStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rcx, rdx, rax };
- descriptor->register_param_count_ = 3;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- FUNCTION_ADDR(BinaryOpIC_MissWithAllocationSite);
+ Register registers[] = { rcx, rdx, rax };
+ descriptor->Initialize(ARRAY_SIZE(registers), registers,
+ FUNCTION_ADDR(BinaryOpIC_MissWithAllocationSite));
}
void StringAddStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- static Register registers[] = { rdx, rax };
- descriptor->register_param_count_ = 2;
- descriptor->register_params_ = registers;
- descriptor->deoptimization_handler_ =
- Runtime::FunctionForId(Runtime::kHiddenStringAdd)->entry;
+ Register registers[] = { rdx, rax };
+ descriptor->Initialize(
+ ARRAY_SIZE(registers), registers,
+ Runtime::FunctionForId(Runtime::kHiddenStringAdd)->entry);
}
@@ -452,18 +394,18 @@ void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
isolate()->counters()->code_stubs()->Increment();
CodeStubInterfaceDescriptor* descriptor = GetInterfaceDescriptor();
- int param_count = descriptor->register_param_count_;
+ int param_count = descriptor->register_param_count();
{
// Call the runtime system in a fresh internal frame.
FrameScope scope(masm, StackFrame::INTERNAL);
- ASSERT(descriptor->register_param_count_ == 0 ||
- rax.is(descriptor->register_params_[param_count - 1]));
+ ASSERT(descriptor->register_param_count() == 0 ||
+ rax.is(descriptor->GetParameterRegister(param_count - 1)));
// Push arguments
for (int i = 0; i < param_count; ++i) {
- __ Push(descriptor->register_params_[i]);
+ __ Push(descriptor->GetParameterRegister(i));
}
ExternalReference miss = descriptor->miss_handler();
- __ CallExternalReference(miss, descriptor->register_param_count_);
+ __ CallExternalReference(miss, descriptor->register_param_count());
}
__ Ret();
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