// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
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#define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
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#include "src/assembler.h"
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#include "src/compiler/common-operator.h"
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#include "src/compiler/graph.h"
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#include "src/compiler/linkage.h"
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#include "src/compiler/machine-operator.h"
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#include "src/compiler/node.h"
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#include "src/compiler/operator.h"
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#include "src/globals.h"
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#include "src/heap/factory.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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class BasicBlock;
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class RawMachineLabel;
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class Schedule;
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// The RawMachineAssembler produces a low-level IR graph. All nodes are wired
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// into a graph and also placed into a schedule immediately, hence subsequent
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// code generation can happen without the need for scheduling.
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//
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// In order to create a schedule on-the-fly, the assembler keeps track of basic
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// blocks by having one current basic block being populated and by referencing
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// other basic blocks through the use of labels.
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//
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// Also note that the generated graph is only valid together with the generated
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// schedule, using one without the other is invalid as the graph is inherently
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// non-schedulable due to missing control and effect dependencies.
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class V8_EXPORT_PRIVATE RawMachineAssembler {
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public:
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RawMachineAssembler(
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Isolate* isolate, Graph* graph, CallDescriptor* call_descriptor,
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MachineRepresentation word = MachineType::PointerRepresentation(),
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MachineOperatorBuilder::Flags flags =
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MachineOperatorBuilder::Flag::kNoFlags,
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MachineOperatorBuilder::AlignmentRequirements alignment_requirements =
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MachineOperatorBuilder::AlignmentRequirements::
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FullUnalignedAccessSupport(),
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PoisoningMitigationLevel poisoning_level =
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PoisoningMitigationLevel::kPoisonCriticalOnly);
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~RawMachineAssembler() {}
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Isolate* isolate() const { return isolate_; }
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Graph* graph() const { return graph_; }
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Zone* zone() const { return graph()->zone(); }
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MachineOperatorBuilder* machine() { return &machine_; }
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CommonOperatorBuilder* common() { return &common_; }
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CallDescriptor* call_descriptor() const { return call_descriptor_; }
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PoisoningMitigationLevel poisoning_level() const { return poisoning_level_; }
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// Finalizes the schedule and exports it to be used for code generation. Note
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// that this RawMachineAssembler becomes invalid after export.
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Schedule* Export();
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// ===========================================================================
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// The following utility methods create new nodes with specific operators and
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// place them into the current basic block. They don't perform control flow,
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// hence will not switch the current basic block.
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Node* NullConstant();
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Node* UndefinedConstant();
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// Constants.
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Node* PointerConstant(void* value) {
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return IntPtrConstant(reinterpret_cast<intptr_t>(value));
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}
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Node* IntPtrConstant(intptr_t value) {
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// TODO(dcarney): mark generated code as unserializable if value != 0.
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return kPointerSize == 8 ? Int64Constant(value)
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: Int32Constant(static_cast<int>(value));
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}
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Node* RelocatableIntPtrConstant(intptr_t value, RelocInfo::Mode rmode);
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Node* Int32Constant(int32_t value) {
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return AddNode(common()->Int32Constant(value));
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}
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Node* StackSlot(MachineRepresentation rep, int alignment = 0) {
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return AddNode(machine()->StackSlot(rep, alignment));
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}
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Node* Int64Constant(int64_t value) {
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return AddNode(common()->Int64Constant(value));
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}
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Node* NumberConstant(double value) {
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return AddNode(common()->NumberConstant(value));
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}
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Node* Float32Constant(float value) {
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return AddNode(common()->Float32Constant(value));
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}
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Node* Float64Constant(double value) {
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return AddNode(common()->Float64Constant(value));
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}
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Node* HeapConstant(Handle<HeapObject> object) {
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return AddNode(common()->HeapConstant(object));
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}
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Node* BooleanConstant(bool value) {
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Handle<Object> object = isolate()->factory()->ToBoolean(value);
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return HeapConstant(Handle<HeapObject>::cast(object));
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}
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Node* ExternalConstant(ExternalReference address) {
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return AddNode(common()->ExternalConstant(address));
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}
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Node* RelocatableInt32Constant(int32_t value, RelocInfo::Mode rmode) {
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return AddNode(common()->RelocatableInt32Constant(value, rmode));
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}
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Node* RelocatableInt64Constant(int64_t value, RelocInfo::Mode rmode) {
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return AddNode(common()->RelocatableInt64Constant(value, rmode));
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}
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Node* Projection(int index, Node* a) {
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return AddNode(common()->Projection(index), a);
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}
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// Memory Operations.
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Node* Load(MachineType rep, Node* base,
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LoadSensitivity needs_poisoning = LoadSensitivity::kSafe) {
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return Load(rep, base, IntPtrConstant(0), needs_poisoning);
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}
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Node* Load(MachineType rep, Node* base, Node* index,
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LoadSensitivity needs_poisoning = LoadSensitivity::kSafe) {
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const Operator* op = machine()->Load(rep);
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CHECK_NE(PoisoningMitigationLevel::kPoisonAll, poisoning_level_);
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if (needs_poisoning == LoadSensitivity::kCritical &&
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poisoning_level_ == PoisoningMitigationLevel::kPoisonCriticalOnly) {
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op = machine()->PoisonedLoad(rep);
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}
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return AddNode(op, base, index);
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}
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Node* Store(MachineRepresentation rep, Node* base, Node* value,
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WriteBarrierKind write_barrier) {
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return Store(rep, base, IntPtrConstant(0), value, write_barrier);
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}
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Node* Store(MachineRepresentation rep, Node* base, Node* index, Node* value,
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WriteBarrierKind write_barrier) {
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return AddNode(machine()->Store(StoreRepresentation(rep, write_barrier)),
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base, index, value);
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}
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Node* Retain(Node* value) { return AddNode(common()->Retain(), value); }
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// Unaligned memory operations
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Node* UnalignedLoad(MachineType type, Node* base) {
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return UnalignedLoad(type, base, IntPtrConstant(0));
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}
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Node* UnalignedLoad(MachineType type, Node* base, Node* index) {
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if (machine()->UnalignedLoadSupported(type.representation())) {
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return AddNode(machine()->Load(type), base, index);
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} else {
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return AddNode(machine()->UnalignedLoad(type), base, index);
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}
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}
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Node* UnalignedStore(MachineRepresentation rep, Node* base, Node* value) {
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return UnalignedStore(rep, base, IntPtrConstant(0), value);
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}
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Node* UnalignedStore(MachineRepresentation rep, Node* base, Node* index,
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Node* value) {
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if (machine()->UnalignedStoreSupported(rep)) {
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return AddNode(machine()->Store(StoreRepresentation(
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rep, WriteBarrierKind::kNoWriteBarrier)),
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base, index, value);
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} else {
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return AddNode(
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machine()->UnalignedStore(UnalignedStoreRepresentation(rep)), base,
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index, value);
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}
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}
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// Atomic memory operations.
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Node* AtomicLoad(MachineType type, Node* base, Node* index) {
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return AddNode(machine()->Word32AtomicLoad(type), base, index);
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}
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Node* AtomicStore(MachineRepresentation rep, Node* base, Node* index,
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Node* value) {
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return AddNode(machine()->Word32AtomicStore(rep), base, index, value);
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}
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#define ATOMIC_FUNCTION(name) \
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Node* Atomic##name(MachineType rep, Node* base, Node* index, Node* value) { \
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return AddNode(machine()->Word32Atomic##name(rep), base, index, value); \
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}
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ATOMIC_FUNCTION(Exchange);
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ATOMIC_FUNCTION(Add);
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ATOMIC_FUNCTION(Sub);
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ATOMIC_FUNCTION(And);
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ATOMIC_FUNCTION(Or);
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ATOMIC_FUNCTION(Xor);
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#undef ATOMIC_FUNCTION
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Node* AtomicCompareExchange(MachineType rep, Node* base, Node* index,
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Node* old_value, Node* new_value) {
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return AddNode(machine()->Word32AtomicCompareExchange(rep), base, index,
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old_value, new_value);
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}
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Node* SpeculationFence() {
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return AddNode(machine()->SpeculationFence().op());
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}
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// Arithmetic Operations.
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Node* WordAnd(Node* a, Node* b) {
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return AddNode(machine()->WordAnd(), a, b);
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}
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Node* WordOr(Node* a, Node* b) { return AddNode(machine()->WordOr(), a, b); }
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Node* WordXor(Node* a, Node* b) {
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return AddNode(machine()->WordXor(), a, b);
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}
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Node* WordShl(Node* a, Node* b) {
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return AddNode(machine()->WordShl(), a, b);
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}
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Node* WordShr(Node* a, Node* b) {
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return AddNode(machine()->WordShr(), a, b);
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}
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Node* WordSar(Node* a, Node* b) {
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return AddNode(machine()->WordSar(), a, b);
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}
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Node* WordRor(Node* a, Node* b) {
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return AddNode(machine()->WordRor(), a, b);
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}
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Node* WordEqual(Node* a, Node* b) {
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return AddNode(machine()->WordEqual(), a, b);
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}
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Node* WordNotEqual(Node* a, Node* b) {
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return Word32BinaryNot(WordEqual(a, b));
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}
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Node* WordNot(Node* a) {
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if (machine()->Is32()) {
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return Word32BitwiseNot(a);
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} else {
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return Word64Not(a);
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}
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}
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Node* Word32And(Node* a, Node* b) {
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return AddNode(machine()->Word32And(), a, b);
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}
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Node* Word32Or(Node* a, Node* b) {
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return AddNode(machine()->Word32Or(), a, b);
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}
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Node* Word32Xor(Node* a, Node* b) {
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return AddNode(machine()->Word32Xor(), a, b);
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}
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Node* Word32Shl(Node* a, Node* b) {
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return AddNode(machine()->Word32Shl(), a, b);
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}
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Node* Word32Shr(Node* a, Node* b) {
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return AddNode(machine()->Word32Shr(), a, b);
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}
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Node* Word32Sar(Node* a, Node* b) {
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return AddNode(machine()->Word32Sar(), a, b);
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}
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Node* Word32Ror(Node* a, Node* b) {
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return AddNode(machine()->Word32Ror(), a, b);
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}
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Node* Word32Clz(Node* a) { return AddNode(machine()->Word32Clz(), a); }
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Node* Word32Equal(Node* a, Node* b) {
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return AddNode(machine()->Word32Equal(), a, b);
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}
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Node* Word32NotEqual(Node* a, Node* b) {
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return Word32BinaryNot(Word32Equal(a, b));
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}
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Node* Word32BitwiseNot(Node* a) { return Word32Xor(a, Int32Constant(-1)); }
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Node* Word32BinaryNot(Node* a) { return Word32Equal(a, Int32Constant(0)); }
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Node* Word64And(Node* a, Node* b) {
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return AddNode(machine()->Word64And(), a, b);
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}
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Node* Word64Or(Node* a, Node* b) {
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return AddNode(machine()->Word64Or(), a, b);
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}
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Node* Word64Xor(Node* a, Node* b) {
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return AddNode(machine()->Word64Xor(), a, b);
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}
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Node* Word64Shl(Node* a, Node* b) {
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return AddNode(machine()->Word64Shl(), a, b);
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}
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Node* Word64Shr(Node* a, Node* b) {
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return AddNode(machine()->Word64Shr(), a, b);
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}
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Node* Word64Sar(Node* a, Node* b) {
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return AddNode(machine()->Word64Sar(), a, b);
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}
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Node* Word64Ror(Node* a, Node* b) {
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return AddNode(machine()->Word64Ror(), a, b);
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}
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Node* Word64Clz(Node* a) { return AddNode(machine()->Word64Clz(), a); }
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Node* Word64Equal(Node* a, Node* b) {
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return AddNode(machine()->Word64Equal(), a, b);
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}
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Node* Word64NotEqual(Node* a, Node* b) {
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return Word32BinaryNot(Word64Equal(a, b));
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}
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Node* Word64Not(Node* a) { return Word64Xor(a, Int64Constant(-1)); }
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Node* Int32Add(Node* a, Node* b) {
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return AddNode(machine()->Int32Add(), a, b);
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}
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Node* Int32AddWithOverflow(Node* a, Node* b) {
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return AddNode(machine()->Int32AddWithOverflow(), a, b);
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}
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Node* Int32Sub(Node* a, Node* b) {
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return AddNode(machine()->Int32Sub(), a, b);
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}
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Node* Int32SubWithOverflow(Node* a, Node* b) {
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return AddNode(machine()->Int32SubWithOverflow(), a, b);
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}
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Node* Int32Mul(Node* a, Node* b) {
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return AddNode(machine()->Int32Mul(), a, b);
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}
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Node* Int32MulHigh(Node* a, Node* b) {
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return AddNode(machine()->Int32MulHigh(), a, b);
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}
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Node* Int32MulWithOverflow(Node* a, Node* b) {
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return AddNode(machine()->Int32MulWithOverflow(), a, b);
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}
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Node* Int32Div(Node* a, Node* b) {
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return AddNode(machine()->Int32Div(), a, b);
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}
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Node* Int32Mod(Node* a, Node* b) {
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return AddNode(machine()->Int32Mod(), a, b);
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}
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Node* Int32LessThan(Node* a, Node* b) {
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return AddNode(machine()->Int32LessThan(), a, b);
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}
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Node* Int32LessThanOrEqual(Node* a, Node* b) {
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return AddNode(machine()->Int32LessThanOrEqual(), a, b);
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}
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Node* Uint32Div(Node* a, Node* b) {
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return AddNode(machine()->Uint32Div(), a, b);
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}
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Node* Uint32LessThan(Node* a, Node* b) {
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return AddNode(machine()->Uint32LessThan(), a, b);
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}
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Node* Uint32LessThanOrEqual(Node* a, Node* b) {
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return AddNode(machine()->Uint32LessThanOrEqual(), a, b);
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}
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Node* Uint32Mod(Node* a, Node* b) {
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return AddNode(machine()->Uint32Mod(), a, b);
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}
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Node* Uint32MulHigh(Node* a, Node* b) {
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return AddNode(machine()->Uint32MulHigh(), a, b);
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}
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Node* Int32GreaterThan(Node* a, Node* b) { return Int32LessThan(b, a); }
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Node* Int32GreaterThanOrEqual(Node* a, Node* b) {
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return Int32LessThanOrEqual(b, a);
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}
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Node* Uint32GreaterThan(Node* a, Node* b) { return Uint32LessThan(b, a); }
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Node* Uint32GreaterThanOrEqual(Node* a, Node* b) {
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return Uint32LessThanOrEqual(b, a);
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}
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Node* Int32Neg(Node* a) { return Int32Sub(Int32Constant(0), a); }
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Node* Int64Add(Node* a, Node* b) {
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return AddNode(machine()->Int64Add(), a, b);
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}
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Node* Int64AddWithOverflow(Node* a, Node* b) {
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return AddNode(machine()->Int64AddWithOverflow(), a, b);
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}
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Node* Int64Sub(Node* a, Node* b) {
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return AddNode(machine()->Int64Sub(), a, b);
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}
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Node* Int64SubWithOverflow(Node* a, Node* b) {
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return AddNode(machine()->Int64SubWithOverflow(), a, b);
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}
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Node* Int64Mul(Node* a, Node* b) {
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return AddNode(machine()->Int64Mul(), a, b);
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}
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Node* Int64Div(Node* a, Node* b) {
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return AddNode(machine()->Int64Div(), a, b);
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}
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Node* Int64Mod(Node* a, Node* b) {
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return AddNode(machine()->Int64Mod(), a, b);
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}
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Node* Int64Neg(Node* a) { return Int64Sub(Int64Constant(0), a); }
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Node* Int64LessThan(Node* a, Node* b) {
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return AddNode(machine()->Int64LessThan(), a, b);
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}
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Node* Int64LessThanOrEqual(Node* a, Node* b) {
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return AddNode(machine()->Int64LessThanOrEqual(), a, b);
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}
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Node* Uint64LessThan(Node* a, Node* b) {
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return AddNode(machine()->Uint64LessThan(), a, b);
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}
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Node* Uint64LessThanOrEqual(Node* a, Node* b) {
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return AddNode(machine()->Uint64LessThanOrEqual(), a, b);
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}
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Node* Int64GreaterThan(Node* a, Node* b) { return Int64LessThan(b, a); }
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Node* Int64GreaterThanOrEqual(Node* a, Node* b) {
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return Int64LessThanOrEqual(b, a);
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}
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Node* Uint64GreaterThan(Node* a, Node* b) { return Uint64LessThan(b, a); }
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Node* Uint64GreaterThanOrEqual(Node* a, Node* b) {
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return Uint64LessThanOrEqual(b, a);
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}
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Node* Uint64Div(Node* a, Node* b) {
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return AddNode(machine()->Uint64Div(), a, b);
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}
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Node* Uint64Mod(Node* a, Node* b) {
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return AddNode(machine()->Uint64Mod(), a, b);
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}
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Node* Int32PairAdd(Node* a_low, Node* a_high, Node* b_low, Node* b_high) {
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return AddNode(machine()->Int32PairAdd(), a_low, a_high, b_low, b_high);
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}
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Node* Int32PairSub(Node* a_low, Node* a_high, Node* b_low, Node* b_high) {
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return AddNode(machine()->Int32PairSub(), a_low, a_high, b_low, b_high);
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}
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Node* Int32PairMul(Node* a_low, Node* a_high, Node* b_low, Node* b_high) {
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return AddNode(machine()->Int32PairMul(), a_low, a_high, b_low, b_high);
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}
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Node* Word32PairShl(Node* low_word, Node* high_word, Node* shift) {
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return AddNode(machine()->Word32PairShl(), low_word, high_word, shift);
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}
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Node* Word32PairShr(Node* low_word, Node* high_word, Node* shift) {
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return AddNode(machine()->Word32PairShr(), low_word, high_word, shift);
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}
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Node* Word32PairSar(Node* low_word, Node* high_word, Node* shift) {
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return AddNode(machine()->Word32PairSar(), low_word, high_word, shift);
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}
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#define INTPTR_BINOP(prefix, name) \
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Node* IntPtr##name(Node* a, Node* b) { \
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return kPointerSize == 8 ? prefix##64##name(a, b) \
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: prefix##32##name(a, b); \
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}
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INTPTR_BINOP(Int, Add);
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INTPTR_BINOP(Int, AddWithOverflow);
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INTPTR_BINOP(Int, Sub);
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INTPTR_BINOP(Int, SubWithOverflow);
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INTPTR_BINOP(Int, Mul);
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INTPTR_BINOP(Int, Div);
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INTPTR_BINOP(Int, LessThan);
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INTPTR_BINOP(Int, LessThanOrEqual);
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INTPTR_BINOP(Word, Equal);
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INTPTR_BINOP(Word, NotEqual);
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INTPTR_BINOP(Int, GreaterThanOrEqual);
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INTPTR_BINOP(Int, GreaterThan);
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#undef INTPTR_BINOP
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#define UINTPTR_BINOP(prefix, name) \
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Node* UintPtr##name(Node* a, Node* b) { \
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return kPointerSize == 8 ? prefix##64##name(a, b) \
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: prefix##32##name(a, b); \
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}
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UINTPTR_BINOP(Uint, LessThan);
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UINTPTR_BINOP(Uint, LessThanOrEqual);
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UINTPTR_BINOP(Uint, GreaterThanOrEqual);
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UINTPTR_BINOP(Uint, GreaterThan);
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#undef UINTPTR_BINOP
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Node* Int32AbsWithOverflow(Node* a) {
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return AddNode(machine()->Int32AbsWithOverflow().op(), a);
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}
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Node* Int64AbsWithOverflow(Node* a) {
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return AddNode(machine()->Int64AbsWithOverflow().op(), a);
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}
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Node* IntPtrAbsWithOverflow(Node* a) {
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return kPointerSize == 8 ? Int64AbsWithOverflow(a)
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: Int32AbsWithOverflow(a);
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}
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Node* Float32Add(Node* a, Node* b) {
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return AddNode(machine()->Float32Add(), a, b);
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}
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Node* Float32Sub(Node* a, Node* b) {
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return AddNode(machine()->Float32Sub(), a, b);
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}
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Node* Float32Mul(Node* a, Node* b) {
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return AddNode(machine()->Float32Mul(), a, b);
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}
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Node* Float32Div(Node* a, Node* b) {
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return AddNode(machine()->Float32Div(), a, b);
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}
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Node* Float32Abs(Node* a) { return AddNode(machine()->Float32Abs(), a); }
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Node* Float32Neg(Node* a) { return AddNode(machine()->Float32Neg(), a); }
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Node* Float32Sqrt(Node* a) { return AddNode(machine()->Float32Sqrt(), a); }
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Node* Float32Equal(Node* a, Node* b) {
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return AddNode(machine()->Float32Equal(), a, b);
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}
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Node* Float32NotEqual(Node* a, Node* b) {
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return Word32BinaryNot(Float32Equal(a, b));
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}
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Node* Float32LessThan(Node* a, Node* b) {
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return AddNode(machine()->Float32LessThan(), a, b);
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}
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Node* Float32LessThanOrEqual(Node* a, Node* b) {
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return AddNode(machine()->Float32LessThanOrEqual(), a, b);
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}
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Node* Float32GreaterThan(Node* a, Node* b) { return Float32LessThan(b, a); }
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Node* Float32GreaterThanOrEqual(Node* a, Node* b) {
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return Float32LessThanOrEqual(b, a);
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}
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Node* Float32Max(Node* a, Node* b) {
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return AddNode(machine()->Float32Max(), a, b);
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}
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Node* Float32Min(Node* a, Node* b) {
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return AddNode(machine()->Float32Min(), a, b);
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}
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Node* Float64Add(Node* a, Node* b) {
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return AddNode(machine()->Float64Add(), a, b);
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}
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Node* Float64Sub(Node* a, Node* b) {
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return AddNode(machine()->Float64Sub(), a, b);
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}
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Node* Float64Mul(Node* a, Node* b) {
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return AddNode(machine()->Float64Mul(), a, b);
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}
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Node* Float64Div(Node* a, Node* b) {
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return AddNode(machine()->Float64Div(), a, b);
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}
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Node* Float64Mod(Node* a, Node* b) {
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return AddNode(machine()->Float64Mod(), a, b);
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}
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Node* Float64Max(Node* a, Node* b) {
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return AddNode(machine()->Float64Max(), a, b);
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}
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Node* Float64Min(Node* a, Node* b) {
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return AddNode(machine()->Float64Min(), a, b);
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}
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Node* Float64Abs(Node* a) { return AddNode(machine()->Float64Abs(), a); }
|
Node* Float64Neg(Node* a) { return AddNode(machine()->Float64Neg(), a); }
|
Node* Float64Acos(Node* a) { return AddNode(machine()->Float64Acos(), a); }
|
Node* Float64Acosh(Node* a) { return AddNode(machine()->Float64Acosh(), a); }
|
Node* Float64Asin(Node* a) { return AddNode(machine()->Float64Asin(), a); }
|
Node* Float64Asinh(Node* a) { return AddNode(machine()->Float64Asinh(), a); }
|
Node* Float64Atan(Node* a) { return AddNode(machine()->Float64Atan(), a); }
|
Node* Float64Atanh(Node* a) { return AddNode(machine()->Float64Atanh(), a); }
|
Node* Float64Atan2(Node* a, Node* b) {
|
return AddNode(machine()->Float64Atan2(), a, b);
|
}
|
Node* Float64Cbrt(Node* a) { return AddNode(machine()->Float64Cbrt(), a); }
|
Node* Float64Cos(Node* a) { return AddNode(machine()->Float64Cos(), a); }
|
Node* Float64Cosh(Node* a) { return AddNode(machine()->Float64Cosh(), a); }
|
Node* Float64Exp(Node* a) { return AddNode(machine()->Float64Exp(), a); }
|
Node* Float64Expm1(Node* a) { return AddNode(machine()->Float64Expm1(), a); }
|
Node* Float64Log(Node* a) { return AddNode(machine()->Float64Log(), a); }
|
Node* Float64Log1p(Node* a) { return AddNode(machine()->Float64Log1p(), a); }
|
Node* Float64Log10(Node* a) { return AddNode(machine()->Float64Log10(), a); }
|
Node* Float64Log2(Node* a) { return AddNode(machine()->Float64Log2(), a); }
|
Node* Float64Pow(Node* a, Node* b) {
|
return AddNode(machine()->Float64Pow(), a, b);
|
}
|
Node* Float64Sin(Node* a) { return AddNode(machine()->Float64Sin(), a); }
|
Node* Float64Sinh(Node* a) { return AddNode(machine()->Float64Sinh(), a); }
|
Node* Float64Sqrt(Node* a) { return AddNode(machine()->Float64Sqrt(), a); }
|
Node* Float64Tan(Node* a) { return AddNode(machine()->Float64Tan(), a); }
|
Node* Float64Tanh(Node* a) { return AddNode(machine()->Float64Tanh(), a); }
|
Node* Float64Equal(Node* a, Node* b) {
|
return AddNode(machine()->Float64Equal(), a, b);
|
}
|
Node* Float64NotEqual(Node* a, Node* b) {
|
return Word32BinaryNot(Float64Equal(a, b));
|
}
|
Node* Float64LessThan(Node* a, Node* b) {
|
return AddNode(machine()->Float64LessThan(), a, b);
|
}
|
Node* Float64LessThanOrEqual(Node* a, Node* b) {
|
return AddNode(machine()->Float64LessThanOrEqual(), a, b);
|
}
|
Node* Float64GreaterThan(Node* a, Node* b) { return Float64LessThan(b, a); }
|
Node* Float64GreaterThanOrEqual(Node* a, Node* b) {
|
return Float64LessThanOrEqual(b, a);
|
}
|
|
// Conversions.
|
Node* BitcastTaggedToWord(Node* a) {
|
#ifdef ENABLE_VERIFY_CSA
|
return AddNode(machine()->BitcastTaggedToWord(), a);
|
#else
|
return a;
|
#endif
|
}
|
Node* BitcastMaybeObjectToWord(Node* a) {
|
#ifdef ENABLE_VERIFY_CSA
|
return AddNode(machine()->BitcastMaybeObjectToWord(), a);
|
#else
|
return a;
|
#endif
|
}
|
Node* BitcastWordToTagged(Node* a) {
|
return AddNode(machine()->BitcastWordToTagged(), a);
|
}
|
Node* BitcastWordToTaggedSigned(Node* a) {
|
#ifdef ENABLE_VERIFY_CSA
|
return AddNode(machine()->BitcastWordToTaggedSigned(), a);
|
#else
|
return a;
|
#endif
|
}
|
Node* TruncateFloat64ToWord32(Node* a) {
|
return AddNode(machine()->TruncateFloat64ToWord32(), a);
|
}
|
Node* ChangeFloat32ToFloat64(Node* a) {
|
return AddNode(machine()->ChangeFloat32ToFloat64(), a);
|
}
|
Node* ChangeInt32ToFloat64(Node* a) {
|
return AddNode(machine()->ChangeInt32ToFloat64(), a);
|
}
|
Node* ChangeUint32ToFloat64(Node* a) {
|
return AddNode(machine()->ChangeUint32ToFloat64(), a);
|
}
|
Node* ChangeFloat64ToInt32(Node* a) {
|
return AddNode(machine()->ChangeFloat64ToInt32(), a);
|
}
|
Node* ChangeFloat64ToUint32(Node* a) {
|
return AddNode(machine()->ChangeFloat64ToUint32(), a);
|
}
|
Node* ChangeFloat64ToUint64(Node* a) {
|
return AddNode(machine()->ChangeFloat64ToUint64(), a);
|
}
|
Node* TruncateFloat64ToUint32(Node* a) {
|
return AddNode(machine()->TruncateFloat64ToUint32(), a);
|
}
|
Node* TruncateFloat32ToInt32(Node* a) {
|
return AddNode(machine()->TruncateFloat32ToInt32(), a);
|
}
|
Node* TruncateFloat32ToUint32(Node* a) {
|
return AddNode(machine()->TruncateFloat32ToUint32(), a);
|
}
|
Node* TryTruncateFloat32ToInt64(Node* a) {
|
return AddNode(machine()->TryTruncateFloat32ToInt64(), a);
|
}
|
Node* TryTruncateFloat64ToInt64(Node* a) {
|
return AddNode(machine()->TryTruncateFloat64ToInt64(), a);
|
}
|
Node* TryTruncateFloat32ToUint64(Node* a) {
|
return AddNode(machine()->TryTruncateFloat32ToUint64(), a);
|
}
|
Node* TryTruncateFloat64ToUint64(Node* a) {
|
return AddNode(machine()->TryTruncateFloat64ToUint64(), a);
|
}
|
Node* ChangeInt32ToInt64(Node* a) {
|
return AddNode(machine()->ChangeInt32ToInt64(), a);
|
}
|
Node* ChangeUint32ToUint64(Node* a) {
|
return AddNode(machine()->ChangeUint32ToUint64(), a);
|
}
|
Node* TruncateFloat64ToFloat32(Node* a) {
|
return AddNode(machine()->TruncateFloat64ToFloat32(), a);
|
}
|
Node* TruncateInt64ToInt32(Node* a) {
|
return AddNode(machine()->TruncateInt64ToInt32(), a);
|
}
|
Node* RoundFloat64ToInt32(Node* a) {
|
return AddNode(machine()->RoundFloat64ToInt32(), a);
|
}
|
Node* RoundInt32ToFloat32(Node* a) {
|
return AddNode(machine()->RoundInt32ToFloat32(), a);
|
}
|
Node* RoundInt64ToFloat32(Node* a) {
|
return AddNode(machine()->RoundInt64ToFloat32(), a);
|
}
|
Node* RoundInt64ToFloat64(Node* a) {
|
return AddNode(machine()->RoundInt64ToFloat64(), a);
|
}
|
Node* RoundUint32ToFloat32(Node* a) {
|
return AddNode(machine()->RoundUint32ToFloat32(), a);
|
}
|
Node* RoundUint64ToFloat32(Node* a) {
|
return AddNode(machine()->RoundUint64ToFloat32(), a);
|
}
|
Node* RoundUint64ToFloat64(Node* a) {
|
return AddNode(machine()->RoundUint64ToFloat64(), a);
|
}
|
Node* BitcastFloat32ToInt32(Node* a) {
|
return AddNode(machine()->BitcastFloat32ToInt32(), a);
|
}
|
Node* BitcastFloat64ToInt64(Node* a) {
|
return AddNode(machine()->BitcastFloat64ToInt64(), a);
|
}
|
Node* BitcastInt32ToFloat32(Node* a) {
|
return AddNode(machine()->BitcastInt32ToFloat32(), a);
|
}
|
Node* BitcastInt64ToFloat64(Node* a) {
|
return AddNode(machine()->BitcastInt64ToFloat64(), a);
|
}
|
Node* Float32RoundDown(Node* a) {
|
return AddNode(machine()->Float32RoundDown().op(), a);
|
}
|
Node* Float64RoundDown(Node* a) {
|
return AddNode(machine()->Float64RoundDown().op(), a);
|
}
|
Node* Float32RoundUp(Node* a) {
|
return AddNode(machine()->Float32RoundUp().op(), a);
|
}
|
Node* Float64RoundUp(Node* a) {
|
return AddNode(machine()->Float64RoundUp().op(), a);
|
}
|
Node* Float32RoundTruncate(Node* a) {
|
return AddNode(machine()->Float32RoundTruncate().op(), a);
|
}
|
Node* Float64RoundTruncate(Node* a) {
|
return AddNode(machine()->Float64RoundTruncate().op(), a);
|
}
|
Node* Float64RoundTiesAway(Node* a) {
|
return AddNode(machine()->Float64RoundTiesAway().op(), a);
|
}
|
Node* Float32RoundTiesEven(Node* a) {
|
return AddNode(machine()->Float32RoundTiesEven().op(), a);
|
}
|
Node* Float64RoundTiesEven(Node* a) {
|
return AddNode(machine()->Float64RoundTiesEven().op(), a);
|
}
|
Node* Word32ReverseBytes(Node* a) {
|
return AddNode(machine()->Word32ReverseBytes(), a);
|
}
|
Node* Word64ReverseBytes(Node* a) {
|
return AddNode(machine()->Word64ReverseBytes(), a);
|
}
|
|
// Float64 bit operations.
|
Node* Float64ExtractLowWord32(Node* a) {
|
return AddNode(machine()->Float64ExtractLowWord32(), a);
|
}
|
Node* Float64ExtractHighWord32(Node* a) {
|
return AddNode(machine()->Float64ExtractHighWord32(), a);
|
}
|
Node* Float64InsertLowWord32(Node* a, Node* b) {
|
return AddNode(machine()->Float64InsertLowWord32(), a, b);
|
}
|
Node* Float64InsertHighWord32(Node* a, Node* b) {
|
return AddNode(machine()->Float64InsertHighWord32(), a, b);
|
}
|
Node* Float64SilenceNaN(Node* a) {
|
return AddNode(machine()->Float64SilenceNaN(), a);
|
}
|
|
// Stack operations.
|
Node* LoadStackPointer() { return AddNode(machine()->LoadStackPointer()); }
|
Node* LoadFramePointer() { return AddNode(machine()->LoadFramePointer()); }
|
Node* LoadParentFramePointer() {
|
return AddNode(machine()->LoadParentFramePointer());
|
}
|
|
// Parameters.
|
Node* TargetParameter();
|
Node* Parameter(size_t index);
|
|
// Pointer utilities.
|
Node* LoadFromPointer(void* address, MachineType rep, int32_t offset = 0) {
|
return Load(rep, PointerConstant(address), Int32Constant(offset));
|
}
|
Node* StoreToPointer(void* address, MachineRepresentation rep, Node* node) {
|
return Store(rep, PointerConstant(address), node, kNoWriteBarrier);
|
}
|
Node* UnalignedLoadFromPointer(void* address, MachineType rep,
|
int32_t offset = 0) {
|
return UnalignedLoad(rep, PointerConstant(address), Int32Constant(offset));
|
}
|
Node* UnalignedStoreToPointer(void* address, MachineRepresentation rep,
|
Node* node) {
|
return UnalignedStore(rep, PointerConstant(address), node);
|
}
|
Node* StringConstant(const char* string) {
|
return HeapConstant(isolate()->factory()->InternalizeUtf8String(string));
|
}
|
|
Node* TaggedPoisonOnSpeculation(Node* value) {
|
if (poisoning_level_ != PoisoningMitigationLevel::kDontPoison) {
|
return AddNode(machine()->TaggedPoisonOnSpeculation(), value);
|
}
|
return value;
|
}
|
|
Node* WordPoisonOnSpeculation(Node* value) {
|
if (poisoning_level_ != PoisoningMitigationLevel::kDontPoison) {
|
return AddNode(machine()->WordPoisonOnSpeculation(), value);
|
}
|
return value;
|
}
|
|
// Call a given call descriptor and the given arguments.
|
// The call target is passed as part of the {inputs} array.
|
Node* CallN(CallDescriptor* call_descriptor, int input_count,
|
Node* const* inputs);
|
|
// Call a given call descriptor and the given arguments and frame-state.
|
// The call target and frame state are passed as part of the {inputs} array.
|
Node* CallNWithFrameState(CallDescriptor* call_descriptor, int input_count,
|
Node* const* inputs);
|
|
// Tail call a given call descriptor and the given arguments.
|
// The call target is passed as part of the {inputs} array.
|
Node* TailCallN(CallDescriptor* call_descriptor, int input_count,
|
Node* const* inputs);
|
|
// Call to a C function with zero arguments.
|
Node* CallCFunction0(MachineType return_type, Node* function);
|
// Call to a C function with one parameter.
|
Node* CallCFunction1(MachineType return_type, MachineType arg0_type,
|
Node* function, Node* arg0);
|
// Call to a C function with one argument, while saving/restoring caller
|
// registers.
|
Node* CallCFunction1WithCallerSavedRegisters(
|
MachineType return_type, MachineType arg0_type, Node* function,
|
Node* arg0, SaveFPRegsMode mode = kSaveFPRegs);
|
// Call to a C function with two arguments.
|
Node* CallCFunction2(MachineType return_type, MachineType arg0_type,
|
MachineType arg1_type, Node* function, Node* arg0,
|
Node* arg1);
|
// Call to a C function with three arguments.
|
Node* CallCFunction3(MachineType return_type, MachineType arg0_type,
|
MachineType arg1_type, MachineType arg2_type,
|
Node* function, Node* arg0, Node* arg1, Node* arg2);
|
// Call to a C function with three arguments, while saving/restoring caller
|
// registers.
|
Node* CallCFunction3WithCallerSavedRegisters(
|
MachineType return_type, MachineType arg0_type, MachineType arg1_type,
|
MachineType arg2_type, Node* function, Node* arg0, Node* arg1, Node* arg2,
|
SaveFPRegsMode mode = kSaveFPRegs);
|
// Call to a C function with four arguments.
|
Node* CallCFunction4(MachineType return_type, MachineType arg0_type,
|
MachineType arg1_type, MachineType arg2_type,
|
MachineType arg3_type, Node* function, Node* arg0,
|
Node* arg1, Node* arg2, Node* arg3);
|
// Call to a C function with five arguments.
|
Node* CallCFunction5(MachineType return_type, MachineType arg0_type,
|
MachineType arg1_type, MachineType arg2_type,
|
MachineType arg3_type, MachineType arg4_type,
|
Node* function, Node* arg0, Node* arg1, Node* arg2,
|
Node* arg3, Node* arg4);
|
// Call to a C function with six arguments.
|
Node* CallCFunction6(MachineType return_type, MachineType arg0_type,
|
MachineType arg1_type, MachineType arg2_type,
|
MachineType arg3_type, MachineType arg4_type,
|
MachineType arg5_type, Node* function, Node* arg0,
|
Node* arg1, Node* arg2, Node* arg3, Node* arg4,
|
Node* arg5);
|
// Call to a C function with eight arguments.
|
Node* CallCFunction8(MachineType return_type, MachineType arg0_type,
|
MachineType arg1_type, MachineType arg2_type,
|
MachineType arg3_type, MachineType arg4_type,
|
MachineType arg5_type, MachineType arg6_type,
|
MachineType arg7_type, Node* function, Node* arg0,
|
Node* arg1, Node* arg2, Node* arg3, Node* arg4,
|
Node* arg5, Node* arg6, Node* arg7);
|
// Call to a C function with nine arguments.
|
Node* CallCFunction9(MachineType return_type, MachineType arg0_type,
|
MachineType arg1_type, MachineType arg2_type,
|
MachineType arg3_type, MachineType arg4_type,
|
MachineType arg5_type, MachineType arg6_type,
|
MachineType arg7_type, MachineType arg8_type,
|
Node* function, Node* arg0, Node* arg1, Node* arg2,
|
Node* arg3, Node* arg4, Node* arg5, Node* arg6,
|
Node* arg7, Node* arg8);
|
|
// ===========================================================================
|
// The following utility methods deal with control flow, hence might switch
|
// the current basic block or create new basic blocks for labels.
|
|
// Control flow.
|
void Goto(RawMachineLabel* label);
|
void Branch(Node* condition, RawMachineLabel* true_val,
|
RawMachineLabel* false_val);
|
void Switch(Node* index, RawMachineLabel* default_label,
|
const int32_t* case_values, RawMachineLabel** case_labels,
|
size_t case_count);
|
void Return(Node* value);
|
void Return(Node* v1, Node* v2);
|
void Return(Node* v1, Node* v2, Node* v3);
|
void Return(Node* v1, Node* v2, Node* v3, Node* v4);
|
void Return(int count, Node* v[]);
|
void PopAndReturn(Node* pop, Node* value);
|
void PopAndReturn(Node* pop, Node* v1, Node* v2);
|
void PopAndReturn(Node* pop, Node* v1, Node* v2, Node* v3);
|
void PopAndReturn(Node* pop, Node* v1, Node* v2, Node* v3, Node* v4);
|
void Bind(RawMachineLabel* label);
|
void Deoptimize(Node* state);
|
void DebugAbort(Node* message);
|
void DebugBreak();
|
void Unreachable();
|
void Comment(const char* msg);
|
|
#if DEBUG
|
void Bind(RawMachineLabel* label, AssemblerDebugInfo info);
|
void SetInitialDebugInformation(AssemblerDebugInfo info);
|
void PrintCurrentBlock(std::ostream& os);
|
bool InsideBlock();
|
#endif // DEBUG
|
|
// Add success / exception successor blocks and ends the current block ending
|
// in a potentially throwing call node.
|
void Continuations(Node* call, RawMachineLabel* if_success,
|
RawMachineLabel* if_exception);
|
|
// Variables.
|
Node* Phi(MachineRepresentation rep, Node* n1, Node* n2) {
|
return AddNode(common()->Phi(rep, 2), n1, n2, graph()->start());
|
}
|
Node* Phi(MachineRepresentation rep, Node* n1, Node* n2, Node* n3) {
|
return AddNode(common()->Phi(rep, 3), n1, n2, n3, graph()->start());
|
}
|
Node* Phi(MachineRepresentation rep, Node* n1, Node* n2, Node* n3, Node* n4) {
|
return AddNode(common()->Phi(rep, 4), n1, n2, n3, n4, graph()->start());
|
}
|
Node* Phi(MachineRepresentation rep, int input_count, Node* const* inputs);
|
void AppendPhiInput(Node* phi, Node* new_input);
|
|
// ===========================================================================
|
// The following generic node creation methods can be used for operators that
|
// are not covered by the above utility methods. There should rarely be a need
|
// to do that outside of testing though.
|
|
Node* AddNode(const Operator* op, int input_count, Node* const* inputs);
|
|
Node* AddNode(const Operator* op) {
|
return AddNode(op, 0, static_cast<Node* const*>(nullptr));
|
}
|
|
template <class... TArgs>
|
Node* AddNode(const Operator* op, Node* n1, TArgs... args) {
|
Node* buffer[] = {n1, args...};
|
return AddNode(op, sizeof...(args) + 1, buffer);
|
}
|
|
private:
|
Node* MakeNode(const Operator* op, int input_count, Node* const* inputs);
|
BasicBlock* Use(RawMachineLabel* label);
|
BasicBlock* EnsureBlock(RawMachineLabel* label);
|
BasicBlock* CurrentBlock();
|
|
Schedule* schedule() { return schedule_; }
|
size_t parameter_count() const { return call_descriptor_->ParameterCount(); }
|
|
Isolate* isolate_;
|
Graph* graph_;
|
Schedule* schedule_;
|
MachineOperatorBuilder machine_;
|
CommonOperatorBuilder common_;
|
CallDescriptor* call_descriptor_;
|
Node* target_parameter_;
|
NodeVector parameters_;
|
BasicBlock* current_block_;
|
PoisoningMitigationLevel poisoning_level_;
|
|
DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler);
|
};
|
|
class V8_EXPORT_PRIVATE RawMachineLabel final {
|
public:
|
enum Type { kDeferred, kNonDeferred };
|
|
explicit RawMachineLabel(Type type = kNonDeferred)
|
: deferred_(type == kDeferred) {}
|
~RawMachineLabel();
|
|
BasicBlock* block() const { return block_; }
|
|
private:
|
BasicBlock* block_ = nullptr;
|
bool used_ = false;
|
bool bound_ = false;
|
bool deferred_;
|
friend class RawMachineAssembler;
|
DISALLOW_COPY_AND_ASSIGN(RawMachineLabel);
|
};
|
|
} // namespace compiler
|
} // namespace internal
|
} // namespace v8
|
|
#endif // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
|
