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Unified Diff: src/interpreter/interpreter.cc

Issue 2684973002: [ic] Inline LoadGlobalIC in bytecode handlers (Closed)
Patch Set: Address comments Created 3 years, 10 months ago
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Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index 3d56cfb05ac4d1424323b58aae5c45e96aee80f0..0c9a93972b5d26546ece9199f9053e52e2024d5b 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -14,6 +14,7 @@
#include "src/compilation-info.h"
#include "src/compiler.h"
#include "src/factory.h"
+#include "src/ic/accessor-assembler.h"
#include "src/interpreter/bytecode-flags.h"
#include "src/interpreter/bytecode-generator.h"
#include "src/interpreter/bytecodes.h"
@@ -458,16 +459,71 @@ void Interpreter::DoMov(InterpreterAssembler* assembler) {
__ Dispatch();
}
-Node* Interpreter::BuildLoadGlobal(Callable ic, Node* context, Node* name_index,
- Node* feedback_slot,
- InterpreterAssembler* assembler) {
+void Interpreter::BuildLoadGlobal(int slot_operand_index,
+ int name_operand_index,
+ TypeofMode typeof_mode,
+ InterpreterAssembler* assembler) {
// Load the global via the LoadGlobalIC.
- Node* code_target = __ HeapConstant(ic.code());
- Node* name = __ LoadConstantPoolEntry(name_index);
- Node* smi_slot = __ SmiTag(feedback_slot);
Node* feedback_vector = __ LoadFeedbackVector();
- return __ CallStub(ic.descriptor(), code_target, context, name, smi_slot,
- feedback_vector);
+ Node* feedback_slot = __ BytecodeOperandIdx(slot_operand_index);
+
+ AccessorAssembler accessor_asm(assembler->state());
+
+ Label try_handler(assembler, Label::kDeferred),
+ miss(assembler, Label::kDeferred);
+
+ // Fast path without frame construction for the data case.
+ {
+ Label done(assembler);
+ Variable var_result(assembler, MachineRepresentation::kTagged);
+ ExitPoint exit_point(assembler, &done, &var_result);
+
+ accessor_asm.LoadGlobalIC_TryPropertyCellCase(
+ feedback_vector, feedback_slot, &exit_point, &try_handler, &miss,
+ CodeStubAssembler::INTPTR_PARAMETERS);
+
+ __ Bind(&done);
+ __ SetAccumulator(var_result.value());
+ __ Dispatch();
+ }
+
+ // Slow path with frame construction.
+ {
+ Label done(assembler);
+ Variable var_result(assembler, MachineRepresentation::kTagged);
+ ExitPoint exit_point(assembler, &done, &var_result);
+
+ __ Bind(&try_handler);
+ {
+ Node* context = __ GetContext();
+ Node* smi_slot = __ SmiTag(feedback_slot);
+ Node* name_index = __ BytecodeOperandIdx(name_operand_index);
+ Node* name = __ LoadConstantPoolEntry(name_index);
+
+ AccessorAssembler::LoadICParameters params(context, nullptr, name,
+ smi_slot, feedback_vector);
+ accessor_asm.LoadGlobalIC_TryHandlerCase(&params, typeof_mode,
+ &exit_point, &miss);
+ }
+
+ __ Bind(&miss);
+ {
+ Node* context = __ GetContext();
+ Node* smi_slot = __ SmiTag(feedback_slot);
+ Node* name_index = __ BytecodeOperandIdx(name_operand_index);
+ Node* name = __ LoadConstantPoolEntry(name_index);
+
+ AccessorAssembler::LoadICParameters params(context, nullptr, name,
+ smi_slot, feedback_vector);
+ accessor_asm.LoadGlobalIC_MissCase(&params, &exit_point);
+ }
+
+ __ Bind(&done);
+ {
+ __ SetAccumulator(var_result.value());
+ __ Dispatch();
+ }
+ }
}
// LdaGlobal <name_index> <slot>
@@ -475,16 +531,11 @@ Node* Interpreter::BuildLoadGlobal(Callable ic, Node* context, Node* name_index,
// Load the global with name in constant pool entry <name_index> into the
// accumulator using FeedBackVector slot <slot> outside of a typeof.
void Interpreter::DoLdaGlobal(InterpreterAssembler* assembler) {
- Callable ic =
- CodeFactory::LoadGlobalICInOptimizedCode(isolate_, NOT_INSIDE_TYPEOF);
+ static const int kNameOperandIndex = 0;
+ static const int kSlotOperandIndex = 1;
- Node* context = __ GetContext();
-
- Node* name_index = __ BytecodeOperandIdx(0);
- Node* raw_slot = __ BytecodeOperandIdx(1);
- Node* result = BuildLoadGlobal(ic, context, name_index, raw_slot, assembler);
- __ SetAccumulator(result);
- __ Dispatch();
+ BuildLoadGlobal(kSlotOperandIndex, kNameOperandIndex, NOT_INSIDE_TYPEOF,
+ assembler);
}
// LdaGlobalInsideTypeof <name_index> <slot>
@@ -492,16 +543,11 @@ void Interpreter::DoLdaGlobal(InterpreterAssembler* assembler) {
// Load the global with name in constant pool entry <name_index> into the
// accumulator using FeedBackVector slot <slot> inside of a typeof.
void Interpreter::DoLdaGlobalInsideTypeof(InterpreterAssembler* assembler) {
- Callable ic =
- CodeFactory::LoadGlobalICInOptimizedCode(isolate_, INSIDE_TYPEOF);
-
- Node* context = __ GetContext();
+ static const int kNameOperandIndex = 0;
+ static const int kSlotOperandIndex = 1;
- Node* name_index = __ BytecodeOperandIdx(0);
- Node* raw_slot = __ BytecodeOperandIdx(1);
- Node* result = BuildLoadGlobal(ic, context, name_index, raw_slot, assembler);
- __ SetAccumulator(result);
- __ Dispatch();
+ BuildLoadGlobal(kSlotOperandIndex, kNameOperandIndex, INSIDE_TYPEOF,
+ assembler);
}
void Interpreter::DoStaGlobal(Callable ic, InterpreterAssembler* assembler) {
@@ -689,8 +735,6 @@ void Interpreter::DoLdaLookupContextSlotInsideTypeof(
void Interpreter::DoLdaLookupGlobalSlot(Runtime::FunctionId function_id,
InterpreterAssembler* assembler) {
Node* context = __ GetContext();
- Node* name_index = __ BytecodeOperandIdx(0);
- Node* feedback_slot = __ BytecodeOperandIdx(1);
Node* depth = __ BytecodeOperandUImm(2);
Label slowpath(assembler, Label::kDeferred);
@@ -700,19 +744,21 @@ void Interpreter::DoLdaLookupGlobalSlot(Runtime::FunctionId function_id,
// Fast path does a normal load global
{
- Callable ic = CodeFactory::LoadGlobalICInOptimizedCode(
- isolate_, function_id == Runtime::kLoadLookupSlotInsideTypeof
- ? INSIDE_TYPEOF
- : NOT_INSIDE_TYPEOF);
- Node* result =
- BuildLoadGlobal(ic, context, name_index, feedback_slot, assembler);
- __ SetAccumulator(result);
- __ Dispatch();
+ static const int kNameOperandIndex = 0;
+ static const int kSlotOperandIndex = 1;
+
+ TypeofMode typeof_mode = function_id == Runtime::kLoadLookupSlotInsideTypeof
+ ? INSIDE_TYPEOF
+ : NOT_INSIDE_TYPEOF;
+
+ BuildLoadGlobal(kSlotOperandIndex, kNameOperandIndex, typeof_mode,
+ assembler);
}
// Slow path when we have to call out to the runtime
__ Bind(&slowpath);
{
+ Node* name_index = __ BytecodeOperandIdx(0);
Node* name = __ LoadConstantPoolEntry(name_index);
Node* result = __ CallRuntime(function_id, context, name);
__ SetAccumulator(result);
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