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Unified Diff: src/ia32/full-codegen-ia32.cc

Issue 223823002: Revert r20474 (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 9 months ago
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Index: src/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index 8e78a4e326441c1ef93bf2838adc48ddaed4b93e..b021e46d3e9eb934beef823b6852ddf72601b983 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -2582,15 +2582,17 @@ void FullCodeGenerator::CallIC(Handle<Code> code,
}
+
+
// Code common for calls using the IC.
-void FullCodeGenerator::EmitCallWithLoadIC(Call* expr) {
+void FullCodeGenerator::EmitCallWithIC(Call* expr) {
Expression* callee = expr->expression();
+ ZoneList<Expression*>* args = expr->arguments();
+ int arg_count = args->length();
- CallIC::CallType call_type = callee->IsVariableProxy()
- ? CallIC::FUNCTION
- : CallIC::METHOD;
+ CallFunctionFlags flags;
// Get the target function.
- if (call_type == CallIC::FUNCTION) {
+ if (callee->IsVariableProxy()) {
{ StackValueContext context(this);
EmitVariableLoad(callee->AsVariableProxy());
PrepareForBailout(callee, NO_REGISTERS);
@@ -2598,6 +2600,7 @@ void FullCodeGenerator::EmitCallWithLoadIC(Call* expr) {
// Push undefined as receiver. This is patched in the method prologue if it
// is a sloppy mode method.
__ push(Immediate(isolate()->factory()->undefined_value()));
+ flags = NO_CALL_FUNCTION_FLAGS;
} else {
// Load the function from the receiver.
ASSERT(callee->IsProperty());
@@ -2607,19 +2610,39 @@ void FullCodeGenerator::EmitCallWithLoadIC(Call* expr) {
// Push the target function under the receiver.
__ push(Operand(esp, 0));
__ mov(Operand(esp, kPointerSize), eax);
+ flags = CALL_AS_METHOD;
}
- EmitCall(expr, call_type);
+ // Load the arguments.
+ { PreservePositionScope scope(masm()->positions_recorder());
+ for (int i = 0; i < arg_count; i++) {
+ VisitForStackValue(args->at(i));
+ }
+ }
+
+ // Record source position of the IC call.
+ SetSourcePosition(expr->position());
+ CallFunctionStub stub(arg_count, flags);
+ __ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize));
+ __ CallStub(&stub);
+ RecordJSReturnSite(expr);
+
+ // Restore context register.
+ __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
+
+ context()->DropAndPlug(1, eax);
}
// Code common for calls using the IC.
-void FullCodeGenerator::EmitKeyedCallWithLoadIC(Call* expr,
- Expression* key) {
+void FullCodeGenerator::EmitKeyedCallWithIC(Call* expr,
+ Expression* key) {
// Load the key.
VisitForAccumulatorValue(key);
Expression* callee = expr->expression();
+ ZoneList<Expression*>* args = expr->arguments();
+ int arg_count = args->length();
// Load the function from the receiver.
ASSERT(callee->IsProperty());
@@ -2633,12 +2656,29 @@ void FullCodeGenerator::EmitKeyedCallWithLoadIC(Call* expr,
__ push(Operand(esp, 0));
__ mov(Operand(esp, kPointerSize), eax);
- EmitCall(expr, CallIC::METHOD);
+ // Load the arguments.
+ { PreservePositionScope scope(masm()->positions_recorder());
+ for (int i = 0; i < arg_count; i++) {
+ VisitForStackValue(args->at(i));
+ }
+ }
+
+ // Record source position of the IC call.
+ SetSourcePosition(expr->position());
+ CallFunctionStub stub(arg_count, CALL_AS_METHOD);
+ __ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize));
+ __ CallStub(&stub);
+ RecordJSReturnSite(expr);
+
+ // Restore context register.
+ __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
+
+ context()->DropAndPlug(1, eax);
}
-void FullCodeGenerator::EmitCall(Call* expr, CallIC::CallType call_type) {
- // Load the arguments.
+void FullCodeGenerator::EmitCallWithStub(Call* expr) {
+ // Code common for calls using the call stub.
ZoneList<Expression*>* args = expr->arguments();
int arg_count = args->length();
{ PreservePositionScope scope(masm()->positions_recorder());
@@ -2646,26 +2686,23 @@ void FullCodeGenerator::EmitCall(Call* expr, CallIC::CallType call_type) {
VisitForStackValue(args->at(i));
}
}
-
- // Record source position of the IC call.
+ // Record source position for debugger.
SetSourcePosition(expr->position());
- Handle<Code> ic = CallIC::initialize_stub(
- isolate(), arg_count, call_type);
+
Handle<Object> uninitialized =
TypeFeedbackInfo::UninitializedSentinel(isolate());
StoreFeedbackVectorSlot(expr->CallFeedbackSlot(), uninitialized);
__ LoadHeapObject(ebx, FeedbackVector());
__ mov(edx, Immediate(Smi::FromInt(expr->CallFeedbackSlot())));
+
+ // Record call targets in unoptimized code.
+ CallFunctionStub stub(arg_count, RECORD_CALL_TARGET);
__ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize));
- // Don't assign a type feedback id to the IC, since type feedback is provided
- // by the vector above.
- CallIC(ic);
+ __ CallStub(&stub);
RecordJSReturnSite(expr);
-
// Restore context register.
__ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
-
context()->DropAndPlug(1, eax);
}
@@ -2738,7 +2775,7 @@ void FullCodeGenerator::VisitCall(Call* expr) {
context()->DropAndPlug(1, eax);
} else if (call_type == Call::GLOBAL_CALL) {
- EmitCallWithLoadIC(expr);
+ EmitCallWithIC(expr);
} else if (call_type == Call::LOOKUP_SLOT_CALL) {
// Call to a lookup slot (dynamically introduced variable).
@@ -2774,7 +2811,7 @@ void FullCodeGenerator::VisitCall(Call* expr) {
// The receiver is either the global receiver or an object found by
// LoadContextSlot.
- EmitCall(expr);
+ EmitCallWithStub(expr);
} else if (call_type == Call::PROPERTY_CALL) {
Property* property = callee->AsProperty();
@@ -2782,9 +2819,9 @@ void FullCodeGenerator::VisitCall(Call* expr) {
VisitForStackValue(property->obj());
}
if (property->key()->IsPropertyName()) {
- EmitCallWithLoadIC(expr);
+ EmitCallWithIC(expr);
} else {
- EmitKeyedCallWithLoadIC(expr, property->key());
+ EmitKeyedCallWithIC(expr, property->key());
}
} else {
@@ -2795,7 +2832,7 @@ void FullCodeGenerator::VisitCall(Call* expr) {
}
__ push(Immediate(isolate()->factory()->undefined_value()));
// Emit function call.
- EmitCall(expr);
+ EmitCallWithStub(expr);
}
#ifdef DEBUG
@@ -2845,7 +2882,7 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
__ LoadHeapObject(ebx, FeedbackVector());
__ mov(edx, Immediate(Smi::FromInt(expr->CallNewFeedbackSlot())));
- CallConstructStub stub(RECORD_CONSTRUCTOR_TARGET);
+ CallConstructStub stub(RECORD_CALL_TARGET);
__ call(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL);
PrepareForBailoutForId(expr->ReturnId(), TOS_REG);
context()->Plug(eax);
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