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

Issue 196133017: Experimental parser: merge r19949 (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser
Patch Set: Created 6 years, 9 months ago
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Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index 41bc68e6d0018bf8ca4733d0a25870b2a25bd7a1..8250ce0ebf916d24e712e058079b465fae0a633c 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -139,8 +139,6 @@ void FullCodeGenerator::Generate() {
handler_table_ =
isolate()->factory()->NewFixedArray(function()->handler_count(), TENURED);
- InitializeFeedbackVector();
-
profiling_counter_ = isolate()->factory()->NewCell(
Handle<Smi>(Smi::FromInt(FLAG_interrupt_budget), isolate()));
SetFunctionPosition(function());
@@ -155,10 +153,10 @@ void FullCodeGenerator::Generate() {
}
#endif
- // Classic mode functions and builtins need to replace the receiver with the
+ // Sloppy mode functions and builtins need to replace the receiver with the
// global proxy when called as functions (without an explicit receiver
// object).
- if (info->is_classic_mode() && !info->is_native()) {
+ if (info->strict_mode() == SLOPPY && !info->is_native()) {
Label ok;
int receiver_offset = info->scope()->num_parameters() * kPointerSize;
__ lw(at, MemOperand(sp, receiver_offset));
@@ -273,12 +271,12 @@ void FullCodeGenerator::Generate() {
// The stub will rewrite receiever and parameter count if the previous
// stack frame was an arguments adapter frame.
ArgumentsAccessStub::Type type;
- if (!is_classic_mode()) {
+ if (strict_mode() == STRICT) {
type = ArgumentsAccessStub::NEW_STRICT;
} else if (function()->has_duplicate_parameters()) {
- type = ArgumentsAccessStub::NEW_NON_STRICT_SLOW;
+ type = ArgumentsAccessStub::NEW_SLOPPY_SLOW;
} else {
- type = ArgumentsAccessStub::NEW_NON_STRICT_FAST;
+ type = ArgumentsAccessStub::NEW_SLOPPY_FAST;
}
ArgumentsAccessStub stub(type);
__ CallStub(&stub);
@@ -304,7 +302,7 @@ void FullCodeGenerator::Generate() {
if (scope()->is_function_scope() && scope()->function() != NULL) {
VariableDeclaration* function = scope()->function();
ASSERT(function->proxy()->var()->mode() == CONST ||
- function->proxy()->var()->mode() == CONST_HARMONY);
+ function->proxy()->var()->mode() == CONST_LEGACY);
ASSERT(function->proxy()->var()->location() != Variable::UNALLOCATED);
VisitVariableDeclaration(function);
}
@@ -805,7 +803,7 @@ void FullCodeGenerator::VisitVariableDeclaration(
VariableProxy* proxy = declaration->proxy();
VariableMode mode = declaration->mode();
Variable* variable = proxy->var();
- bool hole_init = mode == CONST || mode == CONST_HARMONY || mode == LET;
+ bool hole_init = mode == LET || mode == CONST || mode == CONST_LEGACY;
switch (variable->location()) {
case Variable::UNALLOCATED:
globals_->Add(variable->name(), zone());
@@ -1176,12 +1174,8 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
Label non_proxy;
__ bind(&fixed_array);
- Handle<Object> feedback = Handle<Object>(
- Smi::FromInt(TypeFeedbackInfo::kForInFastCaseMarker),
- isolate());
- StoreFeedbackVectorSlot(slot, feedback);
__ li(a1, FeedbackVector());
- __ li(a2, Operand(Smi::FromInt(TypeFeedbackInfo::kForInSlowCaseMarker)));
+ __ li(a2, Operand(TypeFeedbackInfo::MegamorphicSentinel(isolate())));
__ sw(a2, FieldMemOperand(a1, FixedArray::OffsetOfElementAt(slot)));
__ li(a1, Operand(Smi::FromInt(1))); // Smi indicates slow check
@@ -1342,7 +1336,7 @@ void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info,
!pretenure &&
scope()->is_function_scope() &&
info->num_literals() == 0) {
- FastNewClosureStub stub(info->language_mode(), info->is_generator());
+ FastNewClosureStub stub(info->strict_mode(), info->is_generator());
__ li(a2, Operand(info));
__ CallStub(&stub);
} else {
@@ -1372,7 +1366,7 @@ void FullCodeGenerator::EmitLoadGlobalCheckExtensions(Variable* var,
Scope* s = scope();
while (s != NULL) {
if (s->num_heap_slots() > 0) {
- if (s->calls_non_strict_eval()) {
+ if (s->calls_sloppy_eval()) {
// Check that extension is NULL.
__ lw(temp, ContextOperand(current, Context::EXTENSION_INDEX));
__ Branch(slow, ne, temp, Operand(zero_reg));
@@ -1384,7 +1378,7 @@ void FullCodeGenerator::EmitLoadGlobalCheckExtensions(Variable* var,
}
// If no outer scope calls eval, we do not need to check more
// context extensions.
- if (!s->outer_scope_calls_non_strict_eval() || s->is_eval_scope()) break;
+ if (!s->outer_scope_calls_sloppy_eval() || s->is_eval_scope()) break;
s = s->outer_scope();
}
@@ -1425,7 +1419,7 @@ MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var,
for (Scope* s = scope(); s != var->scope(); s = s->outer_scope()) {
if (s->num_heap_slots() > 0) {
- if (s->calls_non_strict_eval()) {
+ if (s->calls_sloppy_eval()) {
// Check that extension is NULL.
__ lw(temp, ContextOperand(context, Context::EXTENSION_INDEX));
__ Branch(slow, ne, temp, Operand(zero_reg));
@@ -1461,15 +1455,14 @@ void FullCodeGenerator::EmitDynamicLookupFastCase(Variable* var,
} else if (var->mode() == DYNAMIC_LOCAL) {
Variable* local = var->local_if_not_shadowed();
__ lw(v0, ContextSlotOperandCheckExtensions(local, slow));
- if (local->mode() == LET ||
- local->mode() == CONST ||
- local->mode() == CONST_HARMONY) {
+ if (local->mode() == LET || local->mode() == CONST ||
+ local->mode() == CONST_LEGACY) {
__ LoadRoot(at, Heap::kTheHoleValueRootIndex);
__ subu(at, v0, at); // Sub as compare: at == 0 on eq.
- if (local->mode() == CONST) {
+ if (local->mode() == CONST_LEGACY) {
__ LoadRoot(a0, Heap::kUndefinedValueRootIndex);
__ Movz(v0, a0, at); // Conditional move: return Undefined if TheHole.
- } else { // LET || CONST_HARMONY
+ } else { // LET || CONST
__ Branch(done, ne, at, Operand(zero_reg));
__ li(a0, Operand(var->name()));
__ push(a0);
@@ -1536,7 +1529,7 @@ void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) {
// Check that we always have valid source position.
ASSERT(var->initializer_position() != RelocInfo::kNoPosition);
ASSERT(proxy->position() != RelocInfo::kNoPosition);
- skip_init_check = var->mode() != CONST &&
+ skip_init_check = var->mode() != CONST_LEGACY &&
var->initializer_position() < proxy->position();
}
@@ -1545,7 +1538,7 @@ void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) {
GetVar(v0, var);
__ LoadRoot(at, Heap::kTheHoleValueRootIndex);
__ subu(at, v0, at); // Sub as compare: at == 0 on eq.
- if (var->mode() == LET || var->mode() == CONST_HARMONY) {
+ if (var->mode() == LET || var->mode() == CONST) {
// Throw a reference error when using an uninitialized let/const
// binding in harmony mode.
Label done;
@@ -1556,7 +1549,7 @@ void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) {
__ bind(&done);
} else {
// Uninitalized const bindings outside of harmony mode are unholed.
- ASSERT(var->mode() == CONST);
+ ASSERT(var->mode() == CONST_LEGACY);
__ LoadRoot(a0, Heap::kUndefinedValueRootIndex);
__ Movz(v0, a0, at); // Conditional move: Undefined if TheHole.
}
@@ -1662,8 +1655,7 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
: ObjectLiteral::kNoFlags;
__ li(a0, Operand(Smi::FromInt(flags)));
int properties_count = constant_properties->length() / 2;
- if ((FLAG_track_double_fields && expr->may_store_doubles()) ||
- expr->depth() > 1 || Serializer::enabled() ||
+ if (expr->may_store_doubles() || expr->depth() > 1 || Serializer::enabled() ||
flags != ObjectLiteral::kFastElements ||
properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) {
__ Push(a3, a2, a1, a0);
@@ -2466,7 +2458,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) {
VisitForAccumulatorValue(prop->key());
__ mov(a1, result_register());
__ Pop(a0, a2); // a0 = restored value.
- Handle<Code> ic = is_classic_mode()
+ Handle<Code> ic = strict_mode() == SLOPPY
? isolate()->builtins()->KeyedStoreIC_Initialize()
: isolate()->builtins()->KeyedStoreIC_Initialize_Strict();
CallIC(ic);
@@ -2491,16 +2483,15 @@ void FullCodeGenerator::EmitStoreToStackLocalOrContextSlot(
void FullCodeGenerator::EmitCallStoreContextSlot(
- Handle<String> name, LanguageMode mode) {
+ Handle<String> name, StrictMode strict_mode) {
__ li(a1, Operand(name));
- __ li(a0, Operand(Smi::FromInt(mode)));
+ __ li(a0, Operand(Smi::FromInt(strict_mode)));
__ Push(v0, cp, a1, a0); // Value, context, name, strict mode.
__ CallRuntime(Runtime::kStoreContextSlot, 4);
}
-void FullCodeGenerator::EmitVariableAssignment(Variable* var,
- Token::Value op) {
+void FullCodeGenerator::EmitVariableAssignment(Variable* var, Token::Value op) {
if (var->IsUnallocated()) {
// Global var, const, or let.
__ mov(a0, result_register());
@@ -2508,7 +2499,7 @@ void FullCodeGenerator::EmitVariableAssignment(Variable* var,
__ lw(a1, GlobalObjectOperand());
CallStoreIC();
- } else if (op == Token::INIT_CONST) {
+ } else if (op == Token::INIT_CONST_LEGACY) {
// Const initializers need a write barrier.
ASSERT(!var->IsParameter()); // No const parameters.
if (var->IsLookupSlot()) {
@@ -2529,7 +2520,7 @@ void FullCodeGenerator::EmitVariableAssignment(Variable* var,
} else if (var->mode() == LET && op != Token::INIT_LET) {
// Non-initializing assignment to let variable needs a write barrier.
if (var->IsLookupSlot()) {
- EmitCallStoreContextSlot(var->name(), language_mode());
+ EmitCallStoreContextSlot(var->name(), strict_mode());
} else {
ASSERT(var->IsStackAllocated() || var->IsContextSlot());
Label assign;
@@ -2545,11 +2536,11 @@ void FullCodeGenerator::EmitVariableAssignment(Variable* var,
EmitStoreToStackLocalOrContextSlot(var, location);
}
- } else if (!var->is_const_mode() || op == Token::INIT_CONST_HARMONY) {
+ } else if (!var->is_const_mode() || op == Token::INIT_CONST) {
// Assignment to var or initializing assignment to let/const
// in harmony mode.
if (var->IsLookupSlot()) {
- EmitCallStoreContextSlot(var->name(), language_mode());
+ EmitCallStoreContextSlot(var->name(), strict_mode());
} else {
ASSERT((var->IsStackAllocated() || var->IsContextSlot()));
MemOperand location = VarOperand(var, a1);
@@ -2598,7 +2589,7 @@ void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
__ mov(a0, result_register());
__ Pop(a2, a1); // a1 = key.
- Handle<Code> ic = is_classic_mode()
+ Handle<Code> ic = strict_mode() == SLOPPY
? isolate()->builtins()->KeyedStoreIC_Initialize()
: isolate()->builtins()->KeyedStoreIC_Initialize_Strict();
CallIC(ic, expr->AssignmentFeedbackId());
@@ -2648,7 +2639,7 @@ void FullCodeGenerator::EmitCallWithIC(Call* expr) {
PrepareForBailout(callee, NO_REGISTERS);
}
// Push undefined as receiver. This is patched in the method prologue if it
- // is a classic mode method.
+ // is a sloppy mode method.
__ Push(isolate()->factory()->undefined_value());
flags = NO_CALL_FUNCTION_FLAGS;
} else {
@@ -2738,9 +2729,6 @@ void FullCodeGenerator::EmitCallWithStub(Call* expr) {
// Record source position for debugger.
SetSourcePosition(expr->position());
- Handle<Object> uninitialized =
- TypeFeedbackInfo::UninitializedSentinel(isolate());
- StoreFeedbackVectorSlot(expr->CallFeedbackSlot(), uninitialized);
__ li(a2, FeedbackVector());
__ li(a3, Operand(Smi::FromInt(expr->CallFeedbackSlot())));
@@ -2767,8 +2755,8 @@ void FullCodeGenerator::EmitResolvePossiblyDirectEval(int arg_count) {
int receiver_offset = 2 + info_->scope()->num_parameters();
__ lw(t1, MemOperand(fp, receiver_offset * kPointerSize));
- // t0: the language mode.
- __ li(t0, Operand(Smi::FromInt(language_mode())));
+ // t0: the strict mode.
+ __ li(t0, Operand(Smi::FromInt(strict_mode())));
// a1: the start position of the scope the calls resides in.
__ li(a1, Operand(Smi::FromInt(scope()->start_position())));
@@ -2925,9 +2913,6 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
__ lw(a1, MemOperand(sp, arg_count * kPointerSize));
// Record call targets in unoptimized code.
- Handle<Object> uninitialized =
- TypeFeedbackInfo::UninitializedSentinel(isolate());
- StoreFeedbackVectorSlot(expr->CallNewFeedbackSlot(), uninitialized);
__ li(a2, FeedbackVector());
__ li(a3, Operand(Smi::FromInt(expr->CallNewFeedbackSlot())));
@@ -4240,9 +4225,7 @@ void FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) {
if (property != NULL) {
VisitForStackValue(property->obj());
VisitForStackValue(property->key());
- StrictModeFlag strict_mode_flag = (language_mode() == CLASSIC_MODE)
- ? kNonStrictMode : kStrictMode;
- __ li(a1, Operand(Smi::FromInt(strict_mode_flag)));
+ __ li(a1, Operand(Smi::FromInt(strict_mode())));
__ push(a1);
__ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION);
context()->Plug(v0);
@@ -4250,11 +4233,11 @@ void FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) {
Variable* var = proxy->var();
// Delete of an unqualified identifier is disallowed in strict mode
// but "delete this" is allowed.
- ASSERT(language_mode() == CLASSIC_MODE || var->is_this());
+ ASSERT(strict_mode() == SLOPPY || var->is_this());
if (var->IsUnallocated()) {
__ lw(a2, GlobalObjectOperand());
__ li(a1, Operand(var->name()));
- __ li(a0, Operand(Smi::FromInt(kNonStrictMode)));
+ __ li(a0, Operand(Smi::FromInt(SLOPPY)));
__ Push(a2, a1, a0);
__ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION);
context()->Plug(v0);
@@ -4513,7 +4496,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY: {
__ mov(a0, result_register()); // Value.
__ Pop(a2, a1); // a1 = key, a2 = receiver.
- Handle<Code> ic = is_classic_mode()
+ Handle<Code> ic = strict_mode() == SLOPPY
? isolate()->builtins()->KeyedStoreIC_Initialize()
: isolate()->builtins()->KeyedStoreIC_Initialize_Strict();
CallIC(ic, expr->CountStoreFeedbackId());
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