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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#if V8_TARGET_ARCH_X87
#include "src/ic/ic.h"
#include "src/ic/ic-compiler.h"
namespace v8 {
namespace internal {
#define __ ACCESS_MASM(masm)
void PropertyICCompiler::GenerateRuntimeSetProperty(
MacroAssembler* masm, LanguageMode language_mode) {
// Return address is on the stack.
DCHECK(!ebx.is(StoreDescriptor::ReceiverRegister()) &&
!ebx.is(StoreDescriptor::NameRegister()) &&
!ebx.is(StoreDescriptor::ValueRegister()));
__ pop(ebx);
__ push(StoreDescriptor::ReceiverRegister());
__ push(StoreDescriptor::NameRegister());
__ push(StoreDescriptor::ValueRegister());
__ push(Immediate(Smi::FromInt(language_mode)));
__ push(ebx); // return address
// Do tail-call to runtime routine.
__ TailCallRuntime(Runtime::kSetProperty, 4, 1);
}
#undef __
#define __ ACCESS_MASM(masm())
Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps,
CodeHandleList* handlers,
Handle<Name> name,
Code::StubType type,
IcCheckType check) {
Label miss;
if (check == PROPERTY &&
(kind() == Code::KEYED_STORE_IC || kind() == Code::KEYED_LOAD_IC)) {
// In case we are compiling an IC for dictionary loads or stores, just
// check whether the name is unique.
if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
// Keyed loads with dictionaries shouldn't be here, they go generic.
// The DCHECK is to protect assumptions when --vector-ics is on.
DCHECK(kind() != Code::KEYED_LOAD_IC);
Register tmp = scratch1();
__ JumpIfSmi(this->name(), &miss);
__ mov(tmp, FieldOperand(this->name(), HeapObject::kMapOffset));
__ movzx_b(tmp, FieldOperand(tmp, Map::kInstanceTypeOffset));
__ JumpIfNotUniqueNameInstanceType(tmp, &miss);
} else {
__ cmp(this->name(), Immediate(name));
__ j(not_equal, &miss);
}
}
Label number_case;
Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss;
__ JumpIfSmi(receiver(), smi_target);
// Polymorphic keyed stores may use the map register
Register map_reg = scratch1();
DCHECK(kind() != Code::KEYED_STORE_IC ||
map_reg.is(StoreTransitionDescriptor::MapRegister()));
__ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset));
int receiver_count = maps->length();
int number_of_handled_maps = 0;
for (int current = 0; current < receiver_count; ++current) {
Handle<Map> map = maps->at(current);
if (!map->is_deprecated()) {
number_of_handled_maps++;
Handle<WeakCell> cell = Map::WeakCellForMap(map);
__ CmpWeakValue(map_reg, cell, scratch2());
if (map->instance_type() == HEAP_NUMBER_TYPE) {
DCHECK(!number_case.is_unused());
__ bind(&number_case);
}
__ j(equal, handlers->at(current));
}
}
DCHECK(number_of_handled_maps != 0);
__ bind(&miss);
TailCallBuiltin(masm(), MissBuiltin(kind()));
// Return the generated code.
InlineCacheState state =
number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC;
return GetCode(kind(), type, name, state);
}
Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic(
MapHandleList* receiver_maps, CodeHandleList* handler_stubs,
MapHandleList* transitioned_maps) {
Label miss;
__ JumpIfSmi(receiver(), &miss, Label::kNear);
Register map_reg = scratch1();
__ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset));
for (int i = 0; i < receiver_maps->length(); ++i) {
Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i));
__ CmpWeakValue(map_reg, cell, scratch2());
if (transitioned_maps->at(i).is_null()) {
__ j(equal, handler_stubs->at(i));
} else {
Label next_map;
__ j(not_equal, &next_map, Label::kNear);
Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i));
Register transition_map = scratch1();
DCHECK(!FLAG_vector_stores &&
transition_map.is(StoreTransitionDescriptor::MapRegister()));
__ LoadWeakValue(transition_map, cell, &miss);
__ jmp(handler_stubs->at(i), RelocInfo::CODE_TARGET);
__ bind(&next_map);
}
}
__ bind(&miss);
TailCallBuiltin(masm(), MissBuiltin(kind()));
// Return the generated code.
return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC);
}
#undef __
} // namespace internal
} // namespace v8
#endif // V8_TARGET_ARCH_X87
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