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Unified Diff: src/mips64/code-stubs-mips64.cc

Issue 400743002: MIPS: StubCallInterfaceDescriptor and CallInterfaceDescriptor are unified under a base class Interf… (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 5 months ago
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Index: src/mips64/code-stubs-mips64.cc
diff --git a/src/mips64/code-stubs-mips64.cc b/src/mips64/code-stubs-mips64.cc
index ac5ac433b65ddb20ccc5da933fd0299179a16e88..4ae802724e120a2991dd44010b2e7720b49a7c1d 100644
--- a/src/mips64/code-stubs-mips64.cc
+++ b/src/mips64/code-stubs-mips64.cc
@@ -18,7 +18,7 @@ namespace internal {
void FastNewClosureStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a2 };
+ Register registers[] = { cp, a2 };
descriptor->Initialize(
ARRAY_SIZE(registers), registers,
Runtime::FunctionForId(Runtime::kNewClosureFromStubFailure)->entry);
@@ -27,21 +27,21 @@ void FastNewClosureStub::InitializeInterfaceDescriptor(
void FastNewContextStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a1 };
+ Register registers[] = { cp, a1 };
descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void ToNumberStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a0 };
+ Register registers[] = { cp, a0 };
descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void NumberToStringStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a0 };
+ Register registers[] = { cp, a0 };
descriptor->Initialize(
ARRAY_SIZE(registers), registers,
Runtime::FunctionForId(Runtime::kNumberToStringRT)->entry);
@@ -50,9 +50,10 @@ void NumberToStringStub::InitializeInterfaceDescriptor(
void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a3, a2, a1 };
+ Register registers[] = { cp, a3, a2, a1 };
Representation representations[] = {
Representation::Tagged(),
+ Representation::Tagged(),
Representation::Smi(),
Representation::Tagged() };
descriptor->Initialize(
@@ -64,7 +65,7 @@ void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a3, a2, a1, a0 };
+ Register registers[] = { cp, a3, a2, a1, a0 };
descriptor->Initialize(
ARRAY_SIZE(registers), registers,
Runtime::FunctionForId(Runtime::kCreateObjectLiteral)->entry);
@@ -73,14 +74,14 @@ void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a2, a3 };
+ Register registers[] = { cp, a2, a3 };
descriptor->Initialize(ARRAY_SIZE(registers), registers);
}
void RegExpConstructResultStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a2, a1, a0 };
+ Register registers[] = { cp, a2, a1, a0 };
descriptor->Initialize(
ARRAY_SIZE(registers), registers,
Runtime::FunctionForId(Runtime::kRegExpConstructResult)->entry);
@@ -89,7 +90,7 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
void TransitionElementsKindStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a0, a1 };
+ Register registers[] = { cp, a0, a1 };
Address entry =
Runtime::FunctionForId(Runtime::kTransitionElementsKind)->entry;
descriptor->Initialize(ARRAY_SIZE(registers), registers,
@@ -99,7 +100,7 @@ void TransitionElementsKindStub::InitializeInterfaceDescriptor(
void CompareNilICStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a0 };
+ Register registers[] = { cp, a0 };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
FUNCTION_ADDR(CompareNilIC_Miss));
descriptor->SetMissHandler(
@@ -107,10 +108,14 @@ void CompareNilICStub::InitializeInterfaceDescriptor(
}
+const Register InterfaceDescriptor::ContextRegister() { return cp; }
+
+
static void InitializeArrayConstructorDescriptor(
CodeStubInterfaceDescriptor* descriptor,
int constant_stack_parameter_count) {
// register state
+ // cp -- context
// a0 -- number of arguments
// a1 -- function
// a2 -- allocation site with elements kind
@@ -118,7 +123,7 @@ static void InitializeArrayConstructorDescriptor(
Runtime::kArrayConstructor)->entry;
if (constant_stack_parameter_count == 0) {
- Register registers[] = { a1, a2 };
+ Register registers[] = { cp, a1, a2 };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
deopt_handler,
NULL,
@@ -126,10 +131,11 @@ static void InitializeArrayConstructorDescriptor(
JS_FUNCTION_STUB_MODE);
} else {
// stack param count needs (constructor pointer, and single argument)
- Register registers[] = { a1, a2, a0 };
+ Register registers[] = { cp, a1, a2, a0 };
Representation representations[] = {
Representation::Tagged(),
Representation::Tagged(),
+ Representation::Tagged(),
Representation::Integer32() };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
a0,
@@ -146,13 +152,14 @@ static void InitializeInternalArrayConstructorDescriptor(
CodeStubInterfaceDescriptor* descriptor,
int constant_stack_parameter_count) {
// register state
+ // cp -- context
// a0 -- number of arguments
// a1 -- constructor function
Address deopt_handler = Runtime::FunctionForId(
Runtime::kInternalArrayConstructor)->entry;
if (constant_stack_parameter_count == 0) {
- Register registers[] = { a1 };
+ Register registers[] = { cp, a1 };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
deopt_handler,
NULL,
@@ -160,9 +167,10 @@ static void InitializeInternalArrayConstructorDescriptor(
JS_FUNCTION_STUB_MODE);
} else {
// stack param count needs (constructor pointer, and single argument)
- Register registers[] = { a1, a0 };
+ Register registers[] = { cp, a1, a0 };
Representation representations[] = {
Representation::Tagged(),
+ Representation::Tagged(),
Representation::Integer32() };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
a0,
@@ -195,7 +203,7 @@ void ArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
void ToBooleanStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a0 };
+ Register registers[] = { cp, a0 };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
FUNCTION_ADDR(ToBooleanIC_Miss));
descriptor->SetMissHandler(
@@ -223,7 +231,7 @@ void InternalArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
void BinaryOpICStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a1, a0 };
+ Register registers[] = { cp, a1, a0 };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
FUNCTION_ADDR(BinaryOpIC_Miss));
descriptor->SetMissHandler(
@@ -233,7 +241,7 @@ void BinaryOpICStub::InitializeInterfaceDescriptor(
void BinaryOpWithAllocationSiteStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a2, a1, a0 };
+ Register registers[] = { cp, a2, a1, a0 };
descriptor->Initialize(ARRAY_SIZE(registers), registers,
FUNCTION_ADDR(BinaryOpIC_MissWithAllocationSite));
}
@@ -241,7 +249,7 @@ void BinaryOpWithAllocationSiteStub::InitializeInterfaceDescriptor(
void StringAddStub::InitializeInterfaceDescriptor(
CodeStubInterfaceDescriptor* descriptor) {
- Register registers[] = { a1, a0 };
+ Register registers[] = { cp, a1, a0 };
descriptor->Initialize(
ARRAY_SIZE(registers), registers,
Runtime::FunctionForId(Runtime::kStringAdd)->entry);
@@ -252,14 +260,14 @@ void CallDescriptors::InitializeForIsolate(Isolate* isolate) {
{
CallInterfaceDescriptor* descriptor =
isolate->call_descriptor(Isolate::ArgumentAdaptorCall);
- Register registers[] = { a1, // JSFunction
- cp, // context
+ Register registers[] = { cp, // context
+ a1, // JSFunction
a0, // actual number of arguments
a2, // expected number of arguments
};
Representation representations[] = {
- Representation::Tagged(), // JSFunction
Representation::Tagged(), // context
+ Representation::Tagged(), // JSFunction
Representation::Integer32(), // actual number of arguments
Representation::Integer32(), // expected number of arguments
};
@@ -304,18 +312,18 @@ void CallDescriptors::InitializeForIsolate(Isolate* isolate) {
{
CallInterfaceDescriptor* descriptor =
isolate->call_descriptor(Isolate::ApiFunctionCall);
- Register registers[] = { a0, // callee
+ Register registers[] = { cp, // context
+ a0, // callee
a4, // call_data
a2, // holder
a1, // api_function_address
- cp, // context
};
Representation representations[] = {
+ Representation::Tagged(), // context
Representation::Tagged(), // callee
Representation::Tagged(), // call_data
Representation::Tagged(), // holder
Representation::External(), // api_function_address
- Representation::Tagged(), // context
};
descriptor->Initialize(ARRAY_SIZE(registers), registers, representations);
}
@@ -344,21 +352,21 @@ void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
isolate()->counters()->code_stubs()->Increment();
CodeStubInterfaceDescriptor* descriptor = GetInterfaceDescriptor();
- int param_count = descriptor->register_param_count();
+ 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->GetParameterRegister(param_count - 1)));
+ ASSERT((param_count == 0) ||
+ a0.is(descriptor->GetEnvironmentParameterRegister(param_count - 1)));
// Push arguments, adjust sp.
__ Dsubu(sp, sp, Operand(param_count * kPointerSize));
for (int i = 0; i < param_count; ++i) {
// Store argument to stack.
- __ sd(descriptor->GetParameterRegister(i),
+ __ sd(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();
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