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Unified Diff: src/ia32/full-codegen-ia32.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/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index fd4079cb4ff8a5f7b6db581842eee4711b0f62dd..06da7ba0e7d521844523e756106ee2e090756ac6 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -119,8 +119,6 @@ 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());
@@ -135,10 +133,10 @@ 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;
// +1 for return address.
int receiver_offset = (info->scope()->num_parameters() + 1) * kPointerSize;
@@ -245,12 +243,12 @@ void FullCodeGenerator::Generate() {
// The stub will rewrite receiver 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);
@@ -276,7 +274,7 @@ 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);
}
@@ -746,7 +744,7 @@ 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());
@@ -1104,15 +1102,10 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
Label non_proxy;
__ bind(&fixed_array);
- Handle<Object> feedback = Handle<Object>(
- Smi::FromInt(TypeFeedbackInfo::kForInFastCaseMarker),
- isolate());
- StoreFeedbackVectorSlot(slot, feedback);
-
// No need for a write barrier, we are storing a Smi in the feedback vector.
__ LoadHeapObject(ebx, FeedbackVector());
__ mov(FieldOperand(ebx, FixedArray::OffsetOfElementAt(slot)),
- Immediate(Smi::FromInt(TypeFeedbackInfo::kForInSlowCaseMarker)));
+ Immediate(TypeFeedbackInfo::MegamorphicSentinel(isolate())));
__ mov(ebx, Immediate(Smi::FromInt(1))); // Smi indicates slow check
__ mov(ecx, Operand(esp, 0 * kPointerSize)); // Get enumerated object
@@ -1267,7 +1260,7 @@ 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());
__ mov(ebx, Immediate(info));
__ CallStub(&stub);
} else {
@@ -1297,7 +1290,7 @@ 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.
__ cmp(ContextOperand(context, Context::EXTENSION_INDEX),
Immediate(0));
@@ -1311,7 +1304,7 @@ void FullCodeGenerator::EmitLoadGlobalCheckExtensions(Variable* var,
// If no outer scope calls eval, we do not need to check more
// context extensions. If we have reached an eval scope, we check
// all extensions from this point.
- 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();
}
@@ -1356,7 +1349,7 @@ 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.
__ cmp(ContextOperand(context, Context::EXTENSION_INDEX),
Immediate(0));
@@ -1393,14 +1386,13 @@ void FullCodeGenerator::EmitDynamicLookupFastCase(Variable* var,
} else if (var->mode() == DYNAMIC_LOCAL) {
Variable* local = var->local_if_not_shadowed();
__ mov(eax, 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) {
__ cmp(eax, isolate()->factory()->the_hole_value());
__ j(not_equal, done);
- if (local->mode() == CONST) {
+ if (local->mode() == CONST_LEGACY) {
__ mov(eax, isolate()->factory()->undefined_value());
- } else { // LET || CONST_HARMONY
+ } else { // LET || CONST
__ push(Immediate(var->name()));
__ CallRuntime(Runtime::kThrowReferenceError, 1);
}
@@ -1465,7 +1457,7 @@ 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();
}
@@ -1475,14 +1467,14 @@ void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) {
GetVar(eax, var);
__ cmp(eax, isolate()->factory()->the_hole_value());
__ j(not_equal, &done, Label::kNear);
- 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.
__ push(Immediate(var->name()));
__ CallRuntime(Runtime::kThrowReferenceError, 1);
} else {
// Uninitalized const bindings outside of harmony mode are unholed.
- ASSERT(var->mode() == CONST);
+ ASSERT(var->mode() == CONST_LEGACY);
__ mov(eax, isolate()->factory()->undefined_value());
}
__ bind(&done);
@@ -1587,8 +1579,7 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
? ObjectLiteral::kHasFunction
: ObjectLiteral::kNoFlags;
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) {
__ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
@@ -2274,10 +2265,9 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
switch (op) {
case Token::SAR:
- __ SmiUntag(eax);
__ SmiUntag(ecx);
__ sar_cl(eax); // No checks of result necessary
- __ SmiTag(eax);
+ __ and_(eax, Immediate(~kSmiTagMask));
break;
case Token::SHL: {
Label result_ok;
@@ -2397,7 +2387,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) {
__ mov(ecx, eax);
__ pop(edx); // Receiver.
__ pop(eax); // Restore value.
- Handle<Code> ic = is_classic_mode()
+ Handle<Code> ic = strict_mode() == SLOPPY
? isolate()->builtins()->KeyedStoreIC_Initialize()
: isolate()->builtins()->KeyedStoreIC_Initialize_Strict();
CallIC(ic);
@@ -2420,11 +2410,11 @@ void FullCodeGenerator::EmitStoreToStackLocalOrContextSlot(
void FullCodeGenerator::EmitCallStoreContextSlot(
- Handle<String> name, LanguageMode mode) {
+ Handle<String> name, StrictMode strict_mode) {
__ push(eax); // Value.
__ push(esi); // Context.
__ push(Immediate(name));
- __ push(Immediate(Smi::FromInt(mode)));
+ __ push(Immediate(Smi::FromInt(strict_mode)));
__ CallRuntime(Runtime::kStoreContextSlot, 4);
}
@@ -2437,7 +2427,7 @@ void FullCodeGenerator::EmitVariableAssignment(Variable* var,
__ mov(edx, 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()) {
@@ -2459,7 +2449,7 @@ 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;
@@ -2473,11 +2463,11 @@ 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, ecx);
@@ -2523,7 +2513,7 @@ void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
__ pop(edx);
// Record source code position before IC call.
SetSourcePosition(expr->position());
- 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());
@@ -2577,7 +2567,7 @@ 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(Immediate(isolate()->factory()->undefined_value()));
flags = NO_CALL_FUNCTION_FLAGS;
} else {
@@ -2668,9 +2658,6 @@ void FullCodeGenerator::EmitCallWithStub(Call* expr) {
// Record source position for debugger.
SetSourcePosition(expr->position());
- Handle<Object> uninitialized =
- TypeFeedbackInfo::UninitializedSentinel(isolate());
- StoreFeedbackVectorSlot(expr->CallFeedbackSlot(), uninitialized);
__ LoadHeapObject(ebx, FeedbackVector());
__ mov(edx, Immediate(Smi::FromInt(expr->CallFeedbackSlot())));
@@ -2697,7 +2684,7 @@ void FullCodeGenerator::EmitResolvePossiblyDirectEval(int arg_count) {
// Push the receiver of the enclosing function.
__ push(Operand(ebp, (2 + info_->scope()->num_parameters()) * kPointerSize));
// Push the language mode.
- __ push(Immediate(Smi::FromInt(language_mode())));
+ __ push(Immediate(Smi::FromInt(strict_mode())));
// Push the start position of the scope the calls resides in.
__ push(Immediate(Smi::FromInt(scope()->start_position())));
@@ -2848,9 +2835,6 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
__ mov(edi, Operand(esp, arg_count * kPointerSize));
// Record call targets in unoptimized code.
- Handle<Object> uninitialized =
- TypeFeedbackInfo::UninitializedSentinel(isolate());
- StoreFeedbackVectorSlot(expr->CallNewFeedbackSlot(), uninitialized);
__ LoadHeapObject(ebx, FeedbackVector());
__ mov(edx, Immediate(Smi::FromInt(expr->CallNewFeedbackSlot())));
@@ -4182,20 +4166,18 @@ void FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) {
if (property != NULL) {
VisitForStackValue(property->obj());
VisitForStackValue(property->key());
- StrictModeFlag strict_mode_flag = (language_mode() == CLASSIC_MODE)
- ? kNonStrictMode : kStrictMode;
- __ push(Immediate(Smi::FromInt(strict_mode_flag)));
+ __ push(Immediate(Smi::FromInt(strict_mode())));
__ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION);
context()->Plug(eax);
} else if (proxy != NULL) {
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()) {
__ push(GlobalObjectOperand());
__ push(Immediate(var->name()));
- __ push(Immediate(Smi::FromInt(kNonStrictMode)));
+ __ push(Immediate(Smi::FromInt(SLOPPY)));
__ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION);
context()->Plug(eax);
} else if (var->IsStackAllocated() || var->IsContextSlot()) {
@@ -4462,7 +4444,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY: {
__ pop(ecx);
__ pop(edx);
- 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());
@@ -4881,6 +4863,7 @@ void BackEdgeTable::PatchAt(Code* unoptimized_code,
}
Assembler::set_target_address_at(call_target_address,
+ unoptimized_code,
replacement_code->entry());
unoptimized_code->GetHeap()->incremental_marking()->RecordCodeTargetPatch(
unoptimized_code, call_target_address, replacement_code);
@@ -4898,20 +4881,22 @@ BackEdgeTable::BackEdgeState BackEdgeTable::GetBackEdgeState(
if (*jns_instr_address == kJnsInstruction) {
ASSERT_EQ(kJnsOffset, *(call_target_address - 2));
ASSERT_EQ(isolate->builtins()->InterruptCheck()->entry(),
- Assembler::target_address_at(call_target_address));
+ Assembler::target_address_at(call_target_address,
+ unoptimized_code));
return INTERRUPT;
}
ASSERT_EQ(kNopByteOne, *jns_instr_address);
ASSERT_EQ(kNopByteTwo, *(call_target_address - 2));
- if (Assembler::target_address_at(call_target_address) ==
+ if (Assembler::target_address_at(call_target_address, unoptimized_code) ==
isolate->builtins()->OnStackReplacement()->entry()) {
return ON_STACK_REPLACEMENT;
}
ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
- Assembler::target_address_at(call_target_address));
+ Assembler::target_address_at(call_target_address,
+ unoptimized_code));
return OSR_AFTER_STACK_CHECK;
}
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