// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "v8.h"
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/v8.h"
#if V8_TARGET_ARCH_IA32
-#include "lithium-allocator-inl.h"
-#include "ia32/lithium-ia32.h"
-#include "ia32/lithium-codegen-ia32.h"
-#include "hydrogen-osr.h"
+#include "src/hydrogen-osr.h"
+#include "src/ia32/lithium-codegen-ia32.h"
+#include "src/lithium-inl.h"
namespace v8 {
namespace internal {
// outputs because all registers are blocked by the calling convention.
// Inputs operands must use a fixed register or use-at-start policy or
// a non-register policy.
- ASSERT(Output() == NULL ||
+ DCHECK(Output() == NULL ||
LUnallocated::cast(Output())->HasFixedPolicy() ||
!LUnallocated::cast(Output())->HasRegisterPolicy());
for (UseIterator it(this); !it.Done(); it.Advance()) {
LUnallocated* operand = LUnallocated::cast(it.Current());
- ASSERT(operand->HasFixedPolicy() ||
+ DCHECK(operand->HasFixedPolicy() ||
operand->IsUsedAtStart());
}
for (TempIterator it(this); !it.Done(); it.Advance()) {
LUnallocated* operand = LUnallocated::cast(it.Current());
- ASSERT(operand->HasFixedPolicy() ||!operand->HasRegisterPolicy());
+ DCHECK(operand->HasFixedPolicy() ||!operand->HasRegisterPolicy());
}
}
#endif
}
-bool LInstruction::IsDoubleInput(X87Register reg, LCodeGen* cgen) {
- for (int i = 0; i < InputCount(); i++) {
- LOperand* op = InputAt(i);
- if (op != NULL && op->IsDoubleRegister()) {
- if (cgen->ToX87Register(op).is(reg)) return true;
- }
- }
- return false;
-}
-
-
void LInstruction::PrintTo(StringStream* stream) {
stream->Add("%s ", this->Mnemonic());
int LPlatformChunk::GetNextSpillIndex(RegisterKind kind) {
- // Skip a slot if for a double-width slot.
- if (kind == DOUBLE_REGISTERS) {
- spill_slot_count_++;
- spill_slot_count_ |= 1;
- num_double_slots_++;
+ switch (kind) {
+ case GENERAL_REGISTERS: return spill_slot_count_++;
+ case DOUBLE_REGISTERS: {
+ // Skip a slot if for a double-width slot.
+ spill_slot_count_++;
+ spill_slot_count_ |= 1;
+ num_double_slots_++;
+ return spill_slot_count_++;
+ }
+ case FLOAT32x4_REGISTERS:
+ case FLOAT64x2_REGISTERS:
+ case INT32x4_REGISTERS: {
+ // Skip three slots if for a quad-width slot.
+ spill_slot_count_ += 3;
+ num_double_slots_ += 2; // for dynamic frame alignment
+ return spill_slot_count_++;
+ }
+ default:
+ UNREACHABLE();
+ return -1;
}
- return spill_slot_count_++;
}
LOperand* LPlatformChunk::GetNextSpillSlot(RegisterKind kind) {
int index = GetNextSpillIndex(kind);
- if (kind == DOUBLE_REGISTERS) {
- return LDoubleStackSlot::Create(index, zone());
- } else {
- ASSERT(kind == GENERAL_REGISTERS);
- return LStackSlot::Create(index, zone());
+ switch (kind) {
+ case GENERAL_REGISTERS: return LStackSlot::Create(index, zone());
+ case DOUBLE_REGISTERS: return LDoubleStackSlot::Create(index, zone());
+ case FLOAT32x4_REGISTERS: return LFloat32x4StackSlot::Create(index, zone());
+ case FLOAT64x2_REGISTERS: return LFloat64x2StackSlot::Create(index, zone());
+ case INT32x4_REGISTERS: return LInt32x4StackSlot::Create(index, zone());
+ default:
+ UNREACHABLE();
+ return NULL;
}
}
void LStoreNamedField::PrintDataTo(StringStream* stream) {
object()->PrintTo(stream);
- hydrogen()->access().PrintTo(stream);
- stream->Add(" <- ");
+ OStringStream os;
+ os << hydrogen()->access() << " <- ";
+ stream->Add(os.c_str());
value()->PrintTo(stream);
}
stream->Add("[");
key()->PrintTo(stream);
if (hydrogen()->IsDehoisted()) {
- stream->Add(" + %d]", additional_index());
+ stream->Add(" + %d]", base_offset());
} else {
stream->Add("]");
}
stream->Add("[");
key()->PrintTo(stream);
if (hydrogen()->IsDehoisted()) {
- stream->Add(" + %d] <-", additional_index());
+ stream->Add(" + %d] <-", base_offset());
} else {
stream->Add("] <- ");
}
if (value() == NULL) {
- ASSERT(hydrogen()->IsConstantHoleStore() &&
+ DCHECK(hydrogen()->IsConstantHoleStore() &&
hydrogen()->value()->representation().IsDouble());
stream->Add("<the hole(nan)>");
} else {
LPlatformChunk* LChunkBuilder::Build() {
- ASSERT(is_unused());
+ DCHECK(is_unused());
chunk_ = new(zone()) LPlatformChunk(info(), graph());
LPhase phase("L_Building chunk", chunk_);
status_ = BUILDING;
// Reserve the first spill slot for the state of dynamic alignment.
if (info()->IsOptimizing()) {
int alignment_state_index = chunk_->GetNextSpillIndex(GENERAL_REGISTERS);
- ASSERT_EQ(alignment_state_index, 0);
+ DCHECK_EQ(alignment_state_index, 0);
USE(alignment_state_index);
}
instr->MarkAsCall();
instr = AssignPointerMap(instr);
- if (hinstr->HasObservableSideEffects()) {
- ASSERT(hinstr->next()->IsSimulate());
- HSimulate* sim = HSimulate::cast(hinstr->next());
- ASSERT(instruction_pending_deoptimization_environment_ == NULL);
- ASSERT(pending_deoptimization_ast_id_.IsNone());
- instruction_pending_deoptimization_environment_ = instr;
- pending_deoptimization_ast_id_ = sim->ast_id();
- }
-
// If instruction does not have side-effects lazy deoptimization
// after the call will try to deoptimize to the point before the call.
// Thus we still need to attach environment to this call even if
!hinstr->HasObservableSideEffects();
if (needs_environment && !instr->HasEnvironment()) {
instr = AssignEnvironment(instr);
+ // We can't really figure out if the environment is needed or not.
+ instr->environment()->set_has_been_used();
}
return instr;
LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) {
- ASSERT(!instr->HasPointerMap());
+ DCHECK(!instr->HasPointerMap());
instr->set_pointer_map(new(zone()) LPointerMap(zone()));
return instr;
}
LOperand* LChunkBuilder::FixedTemp(Register reg) {
LUnallocated* operand = ToUnallocated(reg);
- ASSERT(operand->HasFixedPolicy());
+ DCHECK(operand->HasFixedPolicy());
return operand;
}
LOperand* LChunkBuilder::FixedTemp(XMMRegister reg) {
LUnallocated* operand = ToUnallocated(reg);
- ASSERT(operand->HasFixedPolicy());
+ DCHECK(operand->HasFixedPolicy());
return operand;
}
LInstruction* LChunkBuilder::DoShift(Token::Value op,
HBitwiseBinaryOperation* instr) {
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
LOperand* left = UseRegisterAtStart(instr->left());
HValue* right_value = instr->right();
LInstruction* LChunkBuilder::DoArithmeticD(Token::Value op,
HArithmeticBinaryOperation* instr) {
- ASSERT(instr->representation().IsDouble());
- ASSERT(instr->left()->representation().IsDouble());
- ASSERT(instr->right()->representation().IsDouble());
+ DCHECK(instr->representation().IsDouble());
+ DCHECK(instr->left()->representation().IsDouble());
+ DCHECK(instr->right()->representation().IsDouble());
if (op == Token::MOD) {
LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand());
LOperand* right = UseRegisterAtStart(instr->BetterRightOperand());
HBinaryOperation* instr) {
HValue* left = instr->left();
HValue* right = instr->right();
- ASSERT(left->representation().IsTagged());
- ASSERT(right->representation().IsTagged());
+ DCHECK(left->representation().IsTagged());
+ DCHECK(right->representation().IsTagged());
LOperand* context = UseFixed(instr->context(), esi);
LOperand* left_operand = UseFixed(left, edx);
LOperand* right_operand = UseFixed(right, eax);
void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) {
- ASSERT(is_building());
+ DCHECK(is_building());
current_block_ = block;
next_block_ = next_block;
if (block->IsStartBlock()) {
} else if (block->predecessors()->length() == 1) {
// We have a single predecessor => copy environment and outgoing
// argument count from the predecessor.
- ASSERT(block->phis()->length() == 0);
+ DCHECK(block->phis()->length() == 0);
HBasicBlock* pred = block->predecessors()->at(0);
HEnvironment* last_environment = pred->last_environment();
- ASSERT(last_environment != NULL);
+ DCHECK(last_environment != NULL);
// Only copy the environment, if it is later used again.
if (pred->end()->SecondSuccessor() == NULL) {
- ASSERT(pred->end()->FirstSuccessor() == block);
+ DCHECK(pred->end()->FirstSuccessor() == block);
} else {
if (pred->end()->FirstSuccessor()->block_id() > block->block_id() ||
pred->end()->SecondSuccessor()->block_id() > block->block_id()) {
}
}
block->UpdateEnvironment(last_environment);
- ASSERT(pred->argument_count() >= 0);
+ DCHECK(pred->argument_count() >= 0);
argument_count_ = pred->argument_count();
} else {
// We are at a state join => process phis.
if (current->OperandCount() == 0) {
instr = DefineAsRegister(new(zone()) LDummy());
} else {
+ DCHECK(!current->OperandAt(0)->IsControlInstruction());
instr = DefineAsRegister(new(zone())
LDummyUse(UseAny(current->OperandAt(0))));
}
for (int i = 1; i < current->OperandCount(); ++i) {
+ if (current->OperandAt(i)->IsControlInstruction()) continue;
LInstruction* dummy =
new(zone()) LDummyUse(UseAny(current->OperandAt(i)));
dummy->set_hydrogen_value(current);
chunk_->AddInstruction(dummy, current_block_);
}
} else {
- instr = current->CompileToLithium(this);
+ HBasicBlock* successor;
+ if (current->IsControlInstruction() &&
+ HControlInstruction::cast(current)->KnownSuccessorBlock(&successor) &&
+ successor != NULL) {
+ instr = new(zone()) LGoto(successor);
+ } else {
+ instr = current->CompileToLithium(this);
+ }
}
argument_count_ += current->argument_delta();
- ASSERT(argument_count_ >= 0);
+ DCHECK(argument_count_ >= 0);
if (instr != NULL) {
- // Associate the hydrogen instruction first, since we may need it for
- // the ClobbersRegisters() or ClobbersDoubleRegisters() calls below.
- instr->set_hydrogen_value(current);
+ AddInstruction(instr, current);
+ }
+
+ current_instruction_ = old_current;
+}
+
+
+void LChunkBuilder::AddInstruction(LInstruction* instr,
+ HInstruction* hydrogen_val) {
+ // Associate the hydrogen instruction first, since we may need it for
+ // the ClobbersRegisters() or ClobbersDoubleRegisters() calls below.
+ instr->set_hydrogen_value(hydrogen_val);
#if DEBUG
- // Make sure that the lithium instruction has either no fixed register
- // constraints in temps or the result OR no uses that are only used at
- // start. If this invariant doesn't hold, the register allocator can decide
- // to insert a split of a range immediately before the instruction due to an
- // already allocated register needing to be used for the instruction's fixed
- // register constraint. In this case, The register allocator won't see an
- // interference between the split child and the use-at-start (it would if
- // the it was just a plain use), so it is free to move the split child into
- // the same register that is used for the use-at-start.
- // See https://code.google.com/p/chromium/issues/detail?id=201590
- if (!(instr->ClobbersRegisters() && instr->ClobbersDoubleRegisters())) {
- int fixed = 0;
- int used_at_start = 0;
- for (UseIterator it(instr); !it.Done(); it.Advance()) {
- LUnallocated* operand = LUnallocated::cast(it.Current());
- if (operand->IsUsedAtStart()) ++used_at_start;
- }
- if (instr->Output() != NULL) {
- if (LUnallocated::cast(instr->Output())->HasFixedPolicy()) ++fixed;
- }
- for (TempIterator it(instr); !it.Done(); it.Advance()) {
- LUnallocated* operand = LUnallocated::cast(it.Current());
- if (operand->HasFixedPolicy()) ++fixed;
- }
- ASSERT(fixed == 0 || used_at_start == 0);
+ // Make sure that the lithium instruction has either no fixed register
+ // constraints in temps or the result OR no uses that are only used at
+ // start. If this invariant doesn't hold, the register allocator can decide
+ // to insert a split of a range immediately before the instruction due to an
+ // already allocated register needing to be used for the instruction's fixed
+ // register constraint. In this case, The register allocator won't see an
+ // interference between the split child and the use-at-start (it would if
+ // the it was just a plain use), so it is free to move the split child into
+ // the same register that is used for the use-at-start.
+ // See https://code.google.com/p/chromium/issues/detail?id=201590
+ if (!(instr->ClobbersRegisters() &&
+ instr->ClobbersDoubleRegisters(isolate()))) {
+ int fixed = 0;
+ int used_at_start = 0;
+ for (UseIterator it(instr); !it.Done(); it.Advance()) {
+ LUnallocated* operand = LUnallocated::cast(it.Current());
+ if (operand->IsUsedAtStart()) ++used_at_start;
+ }
+ if (instr->Output() != NULL) {
+ if (LUnallocated::cast(instr->Output())->HasFixedPolicy()) ++fixed;
}
+ for (TempIterator it(instr); !it.Done(); it.Advance()) {
+ LUnallocated* operand = LUnallocated::cast(it.Current());
+ if (operand->HasFixedPolicy()) ++fixed;
+ }
+ DCHECK(fixed == 0 || used_at_start == 0);
+ }
#endif
- if (FLAG_stress_pointer_maps && !instr->HasPointerMap()) {
- instr = AssignPointerMap(instr);
- }
- if (FLAG_stress_environments && !instr->HasEnvironment()) {
- instr = AssignEnvironment(instr);
+ if (FLAG_stress_pointer_maps && !instr->HasPointerMap()) {
+ instr = AssignPointerMap(instr);
+ }
+ if (FLAG_stress_environments && !instr->HasEnvironment()) {
+ instr = AssignEnvironment(instr);
+ }
+ chunk_->AddInstruction(instr, current_block_);
+
+ if (instr->IsCall()) {
+ HValue* hydrogen_value_for_lazy_bailout = hydrogen_val;
+ LInstruction* instruction_needing_environment = NULL;
+ if (hydrogen_val->HasObservableSideEffects()) {
+ HSimulate* sim = HSimulate::cast(hydrogen_val->next());
+ instruction_needing_environment = instr;
+ sim->ReplayEnvironment(current_block_->last_environment());
+ hydrogen_value_for_lazy_bailout = sim;
}
- if (!CpuFeatures::IsSafeForSnapshot(SSE2) && instr->IsGoto() &&
- LGoto::cast(instr)->jumps_to_join()) {
- // TODO(olivf) Since phis of spilled values are joined as registers
- // (not in the stack slot), we need to allow the goto gaps to keep one
- // x87 register alive. To ensure all other values are still spilled, we
- // insert a fpu register barrier right before.
- LClobberDoubles* clobber = new(zone()) LClobberDoubles();
- clobber->set_hydrogen_value(current);
- chunk_->AddInstruction(clobber, current_block_);
+ LInstruction* bailout = AssignEnvironment(new(zone()) LLazyBailout());
+ bailout->set_hydrogen_value(hydrogen_value_for_lazy_bailout);
+ chunk_->AddInstruction(bailout, current_block_);
+ if (instruction_needing_environment != NULL) {
+ // Store the lazy deopt environment with the instruction if needed.
+ // Right now it is only used for LInstanceOfKnownGlobal.
+ instruction_needing_environment->
+ SetDeferredLazyDeoptimizationEnvironment(bailout->environment());
}
- chunk_->AddInstruction(instr, current_block_);
}
- current_instruction_ = old_current;
}
LInstruction* LChunkBuilder::DoBranch(HBranch* instr) {
- LInstruction* goto_instr = CheckElideControlInstruction(instr);
- if (goto_instr != NULL) return goto_instr;
-
- ToBooleanStub::Types expected = instr->expected_input_types();
-
- // Tagged values that are not known smis or booleans require a
- // deoptimization environment. If the instruction is generic no
- // environment is needed since all cases are handled.
HValue* value = instr->value();
- Representation rep = value->representation();
+ Representation r = value->representation();
HType type = value->type();
- if (!rep.IsTagged() || type.IsSmi() || type.IsBoolean()) {
- return new(zone()) LBranch(UseRegister(value), NULL);
- }
+ ToBooleanStub::Types expected = instr->expected_input_types();
+ if (expected.IsEmpty()) expected = ToBooleanStub::Types::Generic();
- bool needs_temp = expected.NeedsMap() || expected.IsEmpty();
- LOperand* temp = needs_temp ? TempRegister() : NULL;
+ bool easy_case = !r.IsTagged() || type.IsBoolean() || type.IsSmi() ||
+ type.IsJSArray() || type.IsHeapNumber() || type.IsString();
- // The Generic stub does not have a deopt, so we need no environment.
- if (expected.IsGeneric()) {
- return new(zone()) LBranch(UseRegister(value), temp);
+ LOperand* temp = !easy_case && expected.NeedsMap() ? TempRegister() : NULL;
+ LInstruction* branch = new(zone()) LBranch(UseRegister(value), temp);
+ if (!easy_case &&
+ ((!expected.Contains(ToBooleanStub::SMI) && expected.NeedsMap()) ||
+ !expected.IsGeneric())) {
+ branch = AssignEnvironment(branch);
}
-
- // We need a temporary register when we have to access the map *or* we have
- // no type info yet, in which case we handle all cases (including the ones
- // involving maps).
- return AssignEnvironment(new(zone()) LBranch(UseRegister(value), temp));
+ return branch;
}
LInstruction* LChunkBuilder::DoCompareMap(HCompareMap* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
LOperand* value = UseRegisterAtStart(instr->value());
return new(zone()) LCmpMapAndBranch(value);
}
}
-LInstruction* LChunkBuilder::DoPushArgument(HPushArgument* instr) {
- LOperand* argument = UseAny(instr->argument());
- return new(zone()) LPushArgument(argument);
+LInstruction* LChunkBuilder::DoPushArguments(HPushArguments* instr) {
+ int argc = instr->OperandCount();
+ for (int i = 0; i < argc; ++i) {
+ LOperand* argument = UseAny(instr->argument(i));
+ AddInstruction(new(zone()) LPushArgument(argument), instr);
+ }
+ return NULL;
}
}
-LInstruction* LChunkBuilder::DoOuterContext(HOuterContext* instr) {
- LOperand* context = UseRegisterAtStart(instr->value());
- return DefineAsRegister(new(zone()) LOuterContext(context));
-}
-
-
LInstruction* LChunkBuilder::DoDeclareGlobals(HDeclareGlobals* instr) {
LOperand* context = UseFixed(instr->context(), esi);
return MarkAsCall(new(zone()) LDeclareGlobals(context), instr);
}
-LInstruction* LChunkBuilder::DoGlobalObject(HGlobalObject* instr) {
- LOperand* context = UseRegisterAtStart(instr->value());
- return DefineAsRegister(new(zone()) LGlobalObject(context));
-}
-
-
-LInstruction* LChunkBuilder::DoGlobalReceiver(HGlobalReceiver* instr) {
- LOperand* global_object = UseRegisterAtStart(instr->value());
- return DefineAsRegister(new(zone()) LGlobalReceiver(global_object));
-}
-
-
LInstruction* LChunkBuilder::DoCallJSFunction(
HCallJSFunction* instr) {
LOperand* function = UseFixed(instr->function(), edi);
LInstruction* LChunkBuilder::DoCallWithDescriptor(
HCallWithDescriptor* instr) {
- const CallInterfaceDescriptor* descriptor = instr->descriptor();
-
+ const InterfaceDescriptor* descriptor = instr->descriptor();
LOperand* target = UseRegisterOrConstantAtStart(instr->target());
ZoneList<LOperand*> ops(instr->OperandCount(), zone());
ops.Add(target, zone());
LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) {
switch (instr->op()) {
- case kMathFloor: return DoMathFloor(instr);
- case kMathRound: return DoMathRound(instr);
- case kMathAbs: return DoMathAbs(instr);
- case kMathLog: return DoMathLog(instr);
- case kMathExp: return DoMathExp(instr);
- case kMathSqrt: return DoMathSqrt(instr);
- case kMathPowHalf: return DoMathPowHalf(instr);
+ case kMathFloor:
+ return DoMathFloor(instr);
+ case kMathRound:
+ return DoMathRound(instr);
+ case kMathFround:
+ return DoMathFround(instr);
+ case kMathAbs:
+ return DoMathAbs(instr);
+ case kMathLog:
+ return DoMathLog(instr);
+ case kMathExp:
+ return DoMathExp(instr);
+ case kMathSqrt:
+ return DoMathSqrt(instr);
+ case kMathPowHalf:
+ return DoMathPowHalf(instr);
+ case kMathClz32:
+ return DoMathClz32(instr);
default:
UNREACHABLE();
return NULL;
}
+LInstruction* LChunkBuilder::DoMathFround(HUnaryMathOperation* instr) {
+ LOperand* input = UseRegister(instr->value());
+ LMathFround* result = new (zone()) LMathFround(input);
+ return DefineAsRegister(result);
+}
+
+
LInstruction* LChunkBuilder::DoMathAbs(HUnaryMathOperation* instr) {
LOperand* context = UseAny(instr->context()); // Deferred use.
LOperand* input = UseRegisterAtStart(instr->value());
- LMathAbs* result = new(zone()) LMathAbs(context, input);
- return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result)));
+ LInstruction* result =
+ DefineSameAsFirst(new(zone()) LMathAbs(context, input));
+ Representation r = instr->value()->representation();
+ if (!r.IsDouble() && !r.IsSmiOrInteger32()) result = AssignPointerMap(result);
+ if (!r.IsDouble()) result = AssignEnvironment(result);
+ return result;
}
LInstruction* LChunkBuilder::DoMathLog(HUnaryMathOperation* instr) {
- ASSERT(instr->representation().IsDouble());
- ASSERT(instr->value()->representation().IsDouble());
+ DCHECK(instr->representation().IsDouble());
+ DCHECK(instr->value()->representation().IsDouble());
LOperand* input = UseRegisterAtStart(instr->value());
return MarkAsCall(DefineSameAsFirst(new(zone()) LMathLog(input)), instr);
}
+LInstruction* LChunkBuilder::DoMathClz32(HUnaryMathOperation* instr) {
+ LOperand* input = UseRegisterAtStart(instr->value());
+ LMathClz32* result = new(zone()) LMathClz32(input);
+ return DefineAsRegister(result);
+}
+
+
LInstruction* LChunkBuilder::DoMathExp(HUnaryMathOperation* instr) {
- ASSERT(instr->representation().IsDouble());
- ASSERT(instr->value()->representation().IsDouble());
+ DCHECK(instr->representation().IsDouble());
+ DCHECK(instr->value()->representation().IsDouble());
LOperand* value = UseTempRegister(instr->value());
LOperand* temp1 = TempRegister();
LOperand* temp2 = TempRegister();
LInstruction* LChunkBuilder::DoMathSqrt(HUnaryMathOperation* instr) {
- LOperand* input = UseRegisterAtStart(instr->value());
- LMathSqrt* result = new(zone()) LMathSqrt(input);
- return DefineSameAsFirst(result);
+ LOperand* input = UseAtStart(instr->value());
+ return DefineAsRegister(new(zone()) LMathSqrt(input));
}
LOperand* context = UseFixed(instr->context(), esi);
LOperand* function = UseFixed(instr->function(), edi);
LCallFunction* call = new(zone()) LCallFunction(context, function);
- LInstruction* result = DefineFixed(call, eax);
- if (instr->IsTailCall()) return result;
- return MarkAsCall(result, instr);
+ return MarkAsCall(DefineFixed(call, eax), instr);
}
LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) {
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
- ASSERT(instr->CheckFlag(HValue::kTruncatingToInt32));
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ DCHECK(instr->CheckFlag(HValue::kTruncatingToInt32));
LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand());
LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand());
}
+LInstruction* LChunkBuilder::DoDivByPowerOf2I(HDiv* instr) {
+ DCHECK(instr->representation().IsSmiOrInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseRegister(instr->left());
+ int32_t divisor = instr->right()->GetInteger32Constant();
+ LInstruction* result = DefineAsRegister(new(zone()) LDivByPowerOf2I(
+ dividend, divisor));
+ if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) ||
+ (instr->CheckFlag(HValue::kCanOverflow) && divisor == -1) ||
+ (!instr->CheckFlag(HInstruction::kAllUsesTruncatingToInt32) &&
+ divisor != 1 && divisor != -1)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
+LInstruction* LChunkBuilder::DoDivByConstI(HDiv* instr) {
+ DCHECK(instr->representation().IsInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseRegister(instr->left());
+ int32_t divisor = instr->right()->GetInteger32Constant();
+ LOperand* temp1 = FixedTemp(eax);
+ LOperand* temp2 = FixedTemp(edx);
+ LInstruction* result = DefineFixed(new(zone()) LDivByConstI(
+ dividend, divisor, temp1, temp2), edx);
+ if (divisor == 0 ||
+ (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) ||
+ !instr->CheckFlag(HInstruction::kAllUsesTruncatingToInt32)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
+LInstruction* LChunkBuilder::DoDivI(HDiv* instr) {
+ DCHECK(instr->representation().IsSmiOrInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseFixed(instr->left(), eax);
+ LOperand* divisor = UseRegister(instr->right());
+ LOperand* temp = FixedTemp(edx);
+ LInstruction* result = DefineFixed(new(zone()) LDivI(
+ dividend, divisor, temp), eax);
+ if (instr->CheckFlag(HValue::kCanBeDivByZero) ||
+ instr->CheckFlag(HValue::kBailoutOnMinusZero) ||
+ instr->CheckFlag(HValue::kCanOverflow) ||
+ !instr->CheckFlag(HValue::kAllUsesTruncatingToInt32)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
LInstruction* LChunkBuilder::DoDiv(HDiv* instr) {
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
if (instr->RightIsPowerOf2()) {
- ASSERT(!instr->CheckFlag(HValue::kCanBeDivByZero));
- LOperand* value = UseRegisterAtStart(instr->left());
- LDivI* div =
- new(zone()) LDivI(value, UseOrConstant(instr->right()), NULL);
- return AssignEnvironment(DefineSameAsFirst(div));
+ return DoDivByPowerOf2I(instr);
+ } else if (instr->right()->IsConstant()) {
+ return DoDivByConstI(instr);
+ } else {
+ return DoDivI(instr);
}
- // The temporary operand is necessary to ensure that right is not allocated
- // into edx.
- LOperand* temp = FixedTemp(edx);
- LOperand* dividend = UseFixed(instr->left(), eax);
- LOperand* divisor = UseRegister(instr->right());
- LDivI* result = new(zone()) LDivI(dividend, divisor, temp);
- return AssignEnvironment(DefineFixed(result, eax));
} else if (instr->representation().IsDouble()) {
return DoArithmeticD(Token::DIV, instr);
} else {
}
+LInstruction* LChunkBuilder::DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr) {
+ LOperand* dividend = UseRegisterAtStart(instr->left());
+ int32_t divisor = instr->right()->GetInteger32Constant();
+ LInstruction* result = DefineSameAsFirst(new(zone()) LFlooringDivByPowerOf2I(
+ dividend, divisor));
+ if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) ||
+ (instr->CheckFlag(HValue::kLeftCanBeMinInt) && divisor == -1)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
+LInstruction* LChunkBuilder::DoFlooringDivByConstI(HMathFloorOfDiv* instr) {
+ DCHECK(instr->representation().IsInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseRegister(instr->left());
+ int32_t divisor = instr->right()->GetInteger32Constant();
+ LOperand* temp1 = FixedTemp(eax);
+ LOperand* temp2 = FixedTemp(edx);
+ LOperand* temp3 =
+ ((divisor > 0 && !instr->CheckFlag(HValue::kLeftCanBeNegative)) ||
+ (divisor < 0 && !instr->CheckFlag(HValue::kLeftCanBePositive))) ?
+ NULL : TempRegister();
+ LInstruction* result =
+ DefineFixed(new(zone()) LFlooringDivByConstI(dividend,
+ divisor,
+ temp1,
+ temp2,
+ temp3),
+ edx);
+ if (divisor == 0 ||
+ (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
+LInstruction* LChunkBuilder::DoFlooringDivI(HMathFloorOfDiv* instr) {
+ DCHECK(instr->representation().IsSmiOrInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseFixed(instr->left(), eax);
+ LOperand* divisor = UseRegister(instr->right());
+ LOperand* temp = FixedTemp(edx);
+ LInstruction* result = DefineFixed(new(zone()) LFlooringDivI(
+ dividend, divisor, temp), eax);
+ if (instr->CheckFlag(HValue::kCanBeDivByZero) ||
+ instr->CheckFlag(HValue::kBailoutOnMinusZero) ||
+ instr->CheckFlag(HValue::kCanOverflow)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) {
- HValue* right = instr->right();
- if (!right->IsConstant()) {
- ASSERT(right->representation().IsInteger32());
- // The temporary operand is necessary to ensure that right is not allocated
- // into edx.
- LOperand* temp = FixedTemp(edx);
- LOperand* dividend = UseFixed(instr->left(), eax);
- LOperand* divisor = UseRegister(instr->right());
- LDivI* flooring_div = new(zone()) LDivI(dividend, divisor, temp);
- return AssignEnvironment(DefineFixed(flooring_div, eax));
- }
-
- ASSERT(right->IsConstant() && HConstant::cast(right)->HasInteger32Value());
- LOperand* divisor = chunk_->DefineConstantOperand(HConstant::cast(right));
- int32_t divisor_si = HConstant::cast(right)->Integer32Value();
- if (divisor_si == 0) {
- LOperand* dividend = UseRegister(instr->left());
- return AssignEnvironment(DefineAsRegister(
- new(zone()) LMathFloorOfDiv(dividend, divisor, NULL)));
- } else if (IsPowerOf2(abs(divisor_si))) {
- // use dividend as temp if divisor < 0 && divisor != -1
- LOperand* dividend = divisor_si < -1 ? UseTempRegister(instr->left()) :
- UseRegisterAtStart(instr->left());
- LInstruction* result = DefineAsRegister(
- new(zone()) LMathFloorOfDiv(dividend, divisor, NULL));
- return divisor_si < 0 ? AssignEnvironment(result) : result;
+ if (instr->RightIsPowerOf2()) {
+ return DoFlooringDivByPowerOf2I(instr);
+ } else if (instr->right()->IsConstant()) {
+ return DoFlooringDivByConstI(instr);
} else {
- // needs edx:eax, plus a temp
- LOperand* dividend = UseFixed(instr->left(), eax);
- LOperand* temp = TempRegister();
- LInstruction* result = DefineFixed(
- new(zone()) LMathFloorOfDiv(dividend, divisor, temp), edx);
- return divisor_si < 0 ? AssignEnvironment(result) : result;
+ return DoFlooringDivI(instr);
}
}
+LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) {
+ DCHECK(instr->representation().IsSmiOrInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseRegisterAtStart(instr->left());
+ int32_t divisor = instr->right()->GetInteger32Constant();
+ LInstruction* result = DefineSameAsFirst(new(zone()) LModByPowerOf2I(
+ dividend, divisor));
+ if (instr->CheckFlag(HValue::kLeftCanBeNegative) &&
+ instr->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
+LInstruction* LChunkBuilder::DoModByConstI(HMod* instr) {
+ DCHECK(instr->representation().IsSmiOrInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseRegister(instr->left());
+ int32_t divisor = instr->right()->GetInteger32Constant();
+ LOperand* temp1 = FixedTemp(eax);
+ LOperand* temp2 = FixedTemp(edx);
+ LInstruction* result = DefineFixed(new(zone()) LModByConstI(
+ dividend, divisor, temp1, temp2), eax);
+ if (divisor == 0 || instr->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
+LInstruction* LChunkBuilder::DoModI(HMod* instr) {
+ DCHECK(instr->representation().IsSmiOrInteger32());
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
+ LOperand* dividend = UseFixed(instr->left(), eax);
+ LOperand* divisor = UseRegister(instr->right());
+ LOperand* temp = FixedTemp(edx);
+ LInstruction* result = DefineFixed(new(zone()) LModI(
+ dividend, divisor, temp), edx);
+ if (instr->CheckFlag(HValue::kCanBeDivByZero) ||
+ instr->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ result = AssignEnvironment(result);
+ }
+ return result;
+}
+
+
LInstruction* LChunkBuilder::DoMod(HMod* instr) {
- HValue* left = instr->left();
- HValue* right = instr->right();
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
-
if (instr->RightIsPowerOf2()) {
- ASSERT(!right->CanBeZero());
- LModI* mod = new(zone()) LModI(UseRegisterAtStart(left),
- UseOrConstant(right),
- NULL);
- LInstruction* result = DefineSameAsFirst(mod);
- return (left->CanBeNegative() &&
- instr->CheckFlag(HValue::kBailoutOnMinusZero))
- ? AssignEnvironment(result)
- : result;
- return AssignEnvironment(DefineSameAsFirst(mod));
+ return DoModByPowerOf2I(instr);
+ } else if (instr->right()->IsConstant()) {
+ return DoModByConstI(instr);
} else {
- // The temporary operand is necessary to ensure that right is not
- // allocated into edx.
- LModI* mod = new(zone()) LModI(UseFixed(left, eax),
- UseRegister(right),
- FixedTemp(edx));
- LInstruction* result = DefineFixed(mod, edx);
- return (right->CanBeZero() ||
- (left->RangeCanInclude(kMinInt) &&
- right->RangeCanInclude(-1) &&
- instr->CheckFlag(HValue::kBailoutOnMinusZero)) ||
- (left->CanBeNegative() &&
- instr->CanBeZero() &&
- instr->CheckFlag(HValue::kBailoutOnMinusZero)))
- ? AssignEnvironment(result)
- : result;
+ return DoModI(instr);
}
} else if (instr->representation().IsDouble()) {
return DoArithmeticD(Token::MOD, instr);
LInstruction* LChunkBuilder::DoMul(HMul* instr) {
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand());
LOperand* right = UseOrConstant(instr->BetterRightOperand());
LOperand* temp = NULL;
LInstruction* LChunkBuilder::DoSub(HSub* instr) {
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
LOperand* left = UseRegisterAtStart(instr->left());
LOperand* right = UseOrConstantAtStart(instr->right());
LSubI* sub = new(zone()) LSubI(left, right);
LInstruction* LChunkBuilder::DoAdd(HAdd* instr) {
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
// Check to see if it would be advantageous to use an lea instruction rather
// than an add. This is the case when no overflow check is needed and there
// are multiple uses of the add's inputs, so using a 3-register add will
} else if (instr->representation().IsDouble()) {
return DoArithmeticD(Token::ADD, instr);
} else if (instr->representation().IsExternal()) {
- ASSERT(instr->left()->representation().IsExternal());
- ASSERT(instr->right()->representation().IsInteger32());
- ASSERT(!instr->CheckFlag(HValue::kCanOverflow));
+ DCHECK(instr->left()->representation().IsExternal());
+ DCHECK(instr->right()->representation().IsInteger32());
+ DCHECK(!instr->CheckFlag(HValue::kCanOverflow));
bool use_lea = LAddI::UseLea(instr);
LOperand* left = UseRegisterAtStart(instr->left());
HValue* right_candidate = instr->right();
LOperand* left = NULL;
LOperand* right = NULL;
if (instr->representation().IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(instr->representation()));
- ASSERT(instr->right()->representation().Equals(instr->representation()));
+ DCHECK(instr->left()->representation().Equals(instr->representation()));
+ DCHECK(instr->right()->representation().Equals(instr->representation()));
left = UseRegisterAtStart(instr->BetterLeftOperand());
right = UseOrConstantAtStart(instr->BetterRightOperand());
} else {
- ASSERT(instr->representation().IsDouble());
- ASSERT(instr->left()->representation().IsDouble());
- ASSERT(instr->right()->representation().IsDouble());
+ DCHECK(instr->representation().IsDouble());
+ DCHECK(instr->left()->representation().IsDouble());
+ DCHECK(instr->right()->representation().IsDouble());
left = UseRegisterAtStart(instr->left());
right = UseRegisterAtStart(instr->right());
}
LInstruction* LChunkBuilder::DoPower(HPower* instr) {
- ASSERT(instr->representation().IsDouble());
+ DCHECK(instr->representation().IsDouble());
// We call a C function for double power. It can't trigger a GC.
// We need to use fixed result register for the call.
Representation exponent_type = instr->right()->representation();
- ASSERT(instr->left()->representation().IsDouble());
+ DCHECK(instr->left()->representation().IsDouble());
LOperand* left = UseFixedDouble(instr->left(), xmm2);
LOperand* right = exponent_type.IsDouble() ?
UseFixedDouble(instr->right(), xmm1) :
LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) {
- ASSERT(instr->left()->representation().IsSmiOrTagged());
- ASSERT(instr->right()->representation().IsSmiOrTagged());
+ DCHECK(instr->left()->representation().IsSmiOrTagged());
+ DCHECK(instr->right()->representation().IsSmiOrTagged());
LOperand* context = UseFixed(instr->context(), esi);
LOperand* left = UseFixed(instr->left(), edx);
LOperand* right = UseFixed(instr->right(), eax);
HCompareNumericAndBranch* instr) {
Representation r = instr->representation();
if (r.IsSmiOrInteger32()) {
- ASSERT(instr->left()->representation().Equals(r));
- ASSERT(instr->right()->representation().Equals(r));
+ DCHECK(instr->left()->representation().Equals(r));
+ DCHECK(instr->right()->representation().Equals(r));
LOperand* left = UseRegisterOrConstantAtStart(instr->left());
LOperand* right = UseOrConstantAtStart(instr->right());
return new(zone()) LCompareNumericAndBranch(left, right);
} else {
- ASSERT(r.IsDouble());
- ASSERT(instr->left()->representation().IsDouble());
- ASSERT(instr->right()->representation().IsDouble());
+ DCHECK(r.IsDouble());
+ DCHECK(instr->left()->representation().IsDouble());
+ DCHECK(instr->right()->representation().IsDouble());
LOperand* left;
LOperand* right;
if (CanBeImmediateConstant(instr->left()) &&
LInstruction* LChunkBuilder::DoCompareObjectEqAndBranch(
HCompareObjectEqAndBranch* instr) {
- LInstruction* goto_instr = CheckElideControlInstruction(instr);
- if (goto_instr != NULL) return goto_instr;
LOperand* left = UseRegisterAtStart(instr->left());
LOperand* right = UseOrConstantAtStart(instr->right());
return new(zone()) LCmpObjectEqAndBranch(left, right);
LInstruction* LChunkBuilder::DoCompareMinusZeroAndBranch(
HCompareMinusZeroAndBranch* instr) {
- LInstruction* goto_instr = CheckElideControlInstruction(instr);
- if (goto_instr != NULL) return goto_instr;
LOperand* value = UseRegister(instr->value());
LOperand* scratch = TempRegister();
return new(zone()) LCompareMinusZeroAndBranch(value, scratch);
LInstruction* LChunkBuilder::DoIsObjectAndBranch(HIsObjectAndBranch* instr) {
- ASSERT(instr->value()->representation().IsSmiOrTagged());
+ DCHECK(instr->value()->representation().IsSmiOrTagged());
LOperand* temp = TempRegister();
return new(zone()) LIsObjectAndBranch(UseRegister(instr->value()), temp);
}
LInstruction* LChunkBuilder::DoIsStringAndBranch(HIsStringAndBranch* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
LOperand* temp = TempRegister();
return new(zone()) LIsStringAndBranch(UseRegister(instr->value()), temp);
}
LInstruction* LChunkBuilder::DoIsSmiAndBranch(HIsSmiAndBranch* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
return new(zone()) LIsSmiAndBranch(Use(instr->value()));
}
LInstruction* LChunkBuilder::DoIsUndetectableAndBranch(
HIsUndetectableAndBranch* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
return new(zone()) LIsUndetectableAndBranch(
UseRegisterAtStart(instr->value()), TempRegister());
}
LInstruction* LChunkBuilder::DoStringCompareAndBranch(
HStringCompareAndBranch* instr) {
- ASSERT(instr->left()->representation().IsTagged());
- ASSERT(instr->right()->representation().IsTagged());
+ DCHECK(instr->left()->representation().IsTagged());
+ DCHECK(instr->right()->representation().IsTagged());
LOperand* context = UseFixed(instr->context(), esi);
LOperand* left = UseFixed(instr->left(), edx);
LOperand* right = UseFixed(instr->right(), eax);
LInstruction* LChunkBuilder::DoHasInstanceTypeAndBranch(
HHasInstanceTypeAndBranch* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
return new(zone()) LHasInstanceTypeAndBranch(
UseRegisterAtStart(instr->value()),
TempRegister());
LInstruction* LChunkBuilder::DoGetCachedArrayIndex(
HGetCachedArrayIndex* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
LOperand* value = UseRegisterAtStart(instr->value());
return DefineAsRegister(new(zone()) LGetCachedArrayIndex(value));
LInstruction* LChunkBuilder::DoHasCachedArrayIndexAndBranch(
HHasCachedArrayIndexAndBranch* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
return new(zone()) LHasCachedArrayIndexAndBranch(
UseRegisterAtStart(instr->value()));
}
LInstruction* LChunkBuilder::DoClassOfTestAndBranch(
HClassOfTestAndBranch* instr) {
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
return new(zone()) LClassOfTestAndBranch(UseRegister(instr->value()),
TempRegister(),
TempRegister());
}
-LInstruction* LChunkBuilder::DoElementsKind(HElementsKind* instr) {
- LOperand* object = UseRegisterAtStart(instr->value());
- return DefineAsRegister(new(zone()) LElementsKind(object));
-}
-
-
-LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) {
- LOperand* object = UseRegister(instr->value());
- LValueOf* result = new(zone()) LValueOf(object, TempRegister());
- return DefineSameAsFirst(result);
-}
-
-
LInstruction* LChunkBuilder::DoDateField(HDateField* instr) {
LOperand* date = UseFixed(instr->value(), eax);
LDateField* result =
LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) {
- return AssignEnvironment(new(zone()) LBoundsCheck(
- UseRegisterOrConstantAtStart(instr->index()),
- UseAtStart(instr->length())));
+ if (!FLAG_debug_code && instr->skip_check()) return NULL;
+ LOperand* index = UseRegisterOrConstantAtStart(instr->index());
+ LOperand* length = !index->IsConstantOperand()
+ ? UseOrConstantAtStart(instr->length())
+ : UseAtStart(instr->length());
+ LInstruction* result = new(zone()) LBoundsCheck(index, length);
+ if (!FLAG_debug_code || !instr->skip_check()) {
+ result = AssignEnvironment(result);
+ }
+ return result;
}
}
-LInstruction* LChunkBuilder::DoThrow(HThrow* instr) {
- LOperand* context = UseFixed(instr->context(), esi);
- LOperand* value = UseFixed(instr->value(), eax);
- return MarkAsCall(new(zone()) LThrow(context, value), instr);
-}
-
-
LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) {
return NULL;
}
LInstruction* LChunkBuilder::DoChange(HChange* instr) {
Representation from = instr->from();
Representation to = instr->to();
+ HValue* val = instr->value();
if (from.IsSmi()) {
if (to.IsTagged()) {
- LOperand* value = UseRegister(instr->value());
+ LOperand* value = UseRegister(val);
return DefineSameAsFirst(new(zone()) LDummyUse(value));
}
from = Representation::Tagged();
}
- // Only mark conversions that might need to allocate as calling rather than
- // all changes. This makes simple, non-allocating conversion not have to force
- // building a stack frame.
if (from.IsTagged()) {
if (to.IsDouble()) {
+ LOperand* value = UseRegister(val);
+ LOperand* temp = TempRegister();
+ LInstruction* result =
+ DefineAsRegister(new(zone()) LNumberUntagD(value, temp));
+ if (!val->representation().IsSmi()) result = AssignEnvironment(result);
+ return result;
+ } else if (to.IsSIMD128()) {
LOperand* value = UseRegister(instr->value());
- // Temp register only necessary for minus zero check.
LOperand* temp = TempRegister();
- LNumberUntagD* res = new(zone()) LNumberUntagD(value, temp);
+ LTaggedToSIMD128* res = new(zone()) LTaggedToSIMD128(value, temp, to);
return AssignEnvironment(DefineAsRegister(res));
} else if (to.IsSmi()) {
- HValue* val = instr->value();
LOperand* value = UseRegister(val);
if (val->type().IsSmi()) {
return DefineSameAsFirst(new(zone()) LDummyUse(value));
}
return AssignEnvironment(DefineSameAsFirst(new(zone()) LCheckSmi(value)));
} else {
- ASSERT(to.IsInteger32());
- HValue* val = instr->value();
+ DCHECK(to.IsInteger32());
if (val->type().IsSmi() || val->representation().IsSmi()) {
LOperand* value = UseRegister(val);
return DefineSameAsFirst(new(zone()) LSmiUntag(value, false));
} else {
+ LOperand* value = UseRegister(val);
bool truncating = instr->CanTruncateToInt32();
- LOperand* xmm_temp =
- (CpuFeatures::IsSafeForSnapshot(SSE2) && !truncating)
- ? FixedTemp(xmm1) : NULL;
- LTaggedToI* res = new(zone()) LTaggedToI(UseRegister(val), xmm_temp);
- return AssignEnvironment(DefineSameAsFirst(res));
+ LOperand* xmm_temp = !truncating ? FixedTemp(xmm1) : NULL;
+ LInstruction* result =
+ DefineSameAsFirst(new(zone()) LTaggedToI(value, xmm_temp));
+ if (!val->representation().IsSmi()) result = AssignEnvironment(result);
+ return result;
}
}
} else if (from.IsDouble()) {
if (to.IsTagged()) {
info()->MarkAsDeferredCalling();
- LOperand* value = UseRegisterAtStart(instr->value());
+ LOperand* value = UseRegisterAtStart(val);
LOperand* temp = FLAG_inline_new ? TempRegister() : NULL;
-
- // Make sure that temp and result_temp are different registers.
LUnallocated* result_temp = TempRegister();
LNumberTagD* result = new(zone()) LNumberTagD(value, temp);
return AssignPointerMap(Define(result, result_temp));
} else if (to.IsSmi()) {
- LOperand* value = UseRegister(instr->value());
+ LOperand* value = UseRegister(val);
return AssignEnvironment(
DefineAsRegister(new(zone()) LDoubleToSmi(value)));
} else {
- ASSERT(to.IsInteger32());
+ DCHECK(to.IsInteger32());
bool truncating = instr->CanTruncateToInt32();
- bool needs_temp = CpuFeatures::IsSafeForSnapshot(SSE2) && !truncating;
- LOperand* value = needs_temp ?
- UseTempRegister(instr->value()) : UseRegister(instr->value());
+ bool needs_temp = !truncating;
+ LOperand* value = needs_temp ? UseTempRegister(val) : UseRegister(val);
LOperand* temp = needs_temp ? TempRegister() : NULL;
- return AssignEnvironment(
- DefineAsRegister(new(zone()) LDoubleToI(value, temp)));
+ LInstruction* result =
+ DefineAsRegister(new(zone()) LDoubleToI(value, temp));
+ if (!truncating) result = AssignEnvironment(result);
+ return result;
}
} else if (from.IsInteger32()) {
info()->MarkAsDeferredCalling();
if (to.IsTagged()) {
- HValue* val = instr->value();
LOperand* value = UseRegister(val);
- if (val->HasRange() && val->range()->IsInSmiRange()) {
+ if (!instr->CheckFlag(HValue::kCanOverflow)) {
return DefineSameAsFirst(new(zone()) LSmiTag(value));
} else if (val->CheckFlag(HInstruction::kUint32)) {
- LOperand* temp = CpuFeatures::IsSupported(SSE2) ? FixedTemp(xmm1)
- : NULL;
+ LOperand* temp = TempRegister();
LNumberTagU* result = new(zone()) LNumberTagU(value, temp);
- return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result)));
+ return AssignPointerMap(DefineSameAsFirst(result));
} else {
- LNumberTagI* result = new(zone()) LNumberTagI(value);
- return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result)));
+ LOperand* temp = TempRegister();
+ LNumberTagI* result = new(zone()) LNumberTagI(value, temp);
+ return AssignPointerMap(DefineSameAsFirst(result));
}
} else if (to.IsSmi()) {
- HValue* val = instr->value();
LOperand* value = UseRegister(val);
- LInstruction* result = val->CheckFlag(HInstruction::kUint32)
- ? DefineSameAsFirst(new(zone()) LUint32ToSmi(value))
- : DefineSameAsFirst(new(zone()) LInteger32ToSmi(value));
- if (val->HasRange() && val->range()->IsInSmiRange()) {
- return result;
+ LInstruction* result = DefineSameAsFirst(new(zone()) LSmiTag(value));
+ if (instr->CheckFlag(HValue::kCanOverflow)) {
+ result = AssignEnvironment(result);
}
- return AssignEnvironment(result);
+ return result;
} else {
- ASSERT(to.IsDouble());
- if (instr->value()->CheckFlag(HInstruction::kUint32)) {
- LOperand* temp = FixedTemp(xmm1);
- return DefineAsRegister(
- new(zone()) LUint32ToDouble(UseRegister(instr->value()), temp));
+ DCHECK(to.IsDouble());
+ if (val->CheckFlag(HInstruction::kUint32)) {
+ return DefineAsRegister(new(zone()) LUint32ToDouble(UseRegister(val)));
} else {
- return DefineAsRegister(
- new(zone()) LInteger32ToDouble(Use(instr->value())));
+ return DefineAsRegister(new(zone()) LInteger32ToDouble(Use(val)));
}
}
+ } else if (from.IsSIMD128()) {
+ DCHECK(to.IsTagged());
+ info()->MarkAsDeferredCalling();
+ LOperand* value = UseRegister(instr->value());
+ LOperand* temp = TempRegister();
+ LOperand* temp2 = TempRegister();
+
+ // Make sure that temp and result_temp are different registers.
+ LUnallocated* result_temp = TempRegister();
+ LSIMD128ToTagged* result = new(zone()) LSIMD128ToTagged(value, temp, temp2);
+ return AssignPointerMap(Define(result, result_temp));
}
UNREACHABLE();
return NULL;
LInstruction* LChunkBuilder::DoCheckHeapObject(HCheckHeapObject* instr) {
LOperand* value = UseAtStart(instr->value());
- return AssignEnvironment(new(zone()) LCheckNonSmi(value));
+ LInstruction* result = new(zone()) LCheckNonSmi(value);
+ if (!instr->value()->type().IsHeapObject()) {
+ result = AssignEnvironment(result);
+ }
+ return result;
}
LInstruction* LChunkBuilder::DoCheckMaps(HCheckMaps* instr) {
- LOperand* value = NULL;
- if (!instr->CanOmitMapChecks()) {
- value = UseRegisterAtStart(instr->value());
- if (instr->has_migration_target()) info()->MarkAsDeferredCalling();
- }
- LCheckMaps* result = new(zone()) LCheckMaps(value);
- if (!instr->CanOmitMapChecks()) {
- AssignEnvironment(result);
- if (instr->has_migration_target()) return AssignPointerMap(result);
+ if (instr->IsStabilityCheck()) return new(zone()) LCheckMaps;
+ LOperand* value = UseRegisterAtStart(instr->value());
+ LInstruction* result = AssignEnvironment(new(zone()) LCheckMaps(value));
+ if (instr->HasMigrationTarget()) {
+ info()->MarkAsDeferredCalling();
+ result = AssignPointerMap(result);
}
return result;
}
LOperand* reg = UseFixed(value, eax);
return DefineFixed(new(zone()) LClampIToUint8(reg), eax);
} else {
- ASSERT(input_rep.IsSmiOrTagged());
- if (CpuFeatures::IsSupported(SSE2)) {
- LOperand* reg = UseFixed(value, eax);
- // Register allocator doesn't (yet) support allocation of double
- // temps. Reserve xmm1 explicitly.
- LOperand* temp = FixedTemp(xmm1);
- LClampTToUint8* result = new(zone()) LClampTToUint8(reg, temp);
- return AssignEnvironment(DefineFixed(result, eax));
- } else {
- LOperand* value = UseRegister(instr->value());
- LClampTToUint8NoSSE2* res =
- new(zone()) LClampTToUint8NoSSE2(value, TempRegister(),
- TempRegister(), TempRegister());
- return AssignEnvironment(DefineFixed(res, ecx));
- }
+ DCHECK(input_rep.IsSmiOrTagged());
+ LOperand* reg = UseFixed(value, eax);
+ // Register allocator doesn't (yet) support allocation of double
+ // temps. Reserve xmm1 explicitly.
+ LOperand* temp = FixedTemp(xmm1);
+ LClampTToUint8* result = new(zone()) LClampTToUint8(reg, temp);
+ return AssignEnvironment(DefineFixed(result, eax));
}
}
+LInstruction* LChunkBuilder::DoDoubleBits(HDoubleBits* instr) {
+ HValue* value = instr->value();
+ DCHECK(value->representation().IsDouble());
+ return DefineAsRegister(new(zone()) LDoubleBits(UseRegister(value)));
+}
+
+
+LInstruction* LChunkBuilder::DoConstructDouble(HConstructDouble* instr) {
+ LOperand* lo = UseRegister(instr->lo());
+ LOperand* hi = UseRegister(instr->hi());
+ return DefineAsRegister(new(zone()) LConstructDouble(hi, lo));
+}
+
+
LInstruction* LChunkBuilder::DoReturn(HReturn* instr) {
LOperand* context = info()->IsStub() ? UseFixed(instr->context(), esi) : NULL;
LOperand* parameter_count = UseRegisterOrConstant(instr->parameter_count());
LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
LOperand* context = UseFixed(instr->context(), esi);
- LOperand* global_object = UseFixed(instr->global_object(), edx);
+ LOperand* global_object = UseFixed(instr->global_object(),
+ LoadIC::ReceiverRegister());
+ LOperand* vector = NULL;
+ if (FLAG_vector_ics) {
+ vector = FixedTemp(LoadIC::VectorRegister());
+ }
+
LLoadGlobalGeneric* result =
- new(zone()) LLoadGlobalGeneric(context, global_object);
+ new(zone()) LLoadGlobalGeneric(context, global_object, vector);
return MarkAsCall(DefineFixed(result, eax), instr);
}
LOperand* context = UseRegisterAtStart(instr->value());
LInstruction* result =
DefineAsRegister(new(zone()) LLoadContextSlot(context));
- return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result;
+ if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) {
+ result = AssignEnvironment(result);
+ }
+ return result;
}
temp = NULL;
}
LInstruction* result = new(zone()) LStoreContextSlot(context, value, temp);
- return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result;
+ if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) {
+ result = AssignEnvironment(result);
+ }
+ return result;
}
LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), esi);
- LOperand* object = UseFixed(instr->object(), edx);
- LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric(context, object);
+ LOperand* object = UseFixed(instr->object(), LoadIC::ReceiverRegister());
+ LOperand* vector = NULL;
+ if (FLAG_vector_ics) {
+ vector = FixedTemp(LoadIC::VectorRegister());
+ }
+ LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric(
+ context, object, vector);
return MarkAsCall(DefineFixed(result, eax), instr);
}
}
-LInstruction* LChunkBuilder::DoLoadExternalArrayPointer(
- HLoadExternalArrayPointer* instr) {
- LOperand* input = UseRegisterAtStart(instr->value());
- return DefineAsRegister(new(zone()) LLoadExternalArrayPointer(input));
-}
-
-
LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
- ASSERT(instr->key()->representation().IsSmiOrInteger32());
+ DCHECK(instr->key()->representation().IsSmiOrInteger32());
ElementsKind elements_kind = instr->elements_kind();
bool clobbers_key = ExternalArrayOpRequiresTemp(
instr->key()->representation(), elements_kind);
LOperand* key = clobbers_key
? UseTempRegister(instr->key())
: UseRegisterOrConstantAtStart(instr->key());
- LLoadKeyed* result = NULL;
+ LInstruction* result = NULL;
if (!instr->is_typed_elements()) {
LOperand* obj = UseRegisterAtStart(instr->elements());
- result = new(zone()) LLoadKeyed(obj, key);
+ result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key));
} else {
- ASSERT(
+ DCHECK(
(instr->representation().IsInteger32() &&
!(IsDoubleOrFloatElementsKind(instr->elements_kind()))) ||
(instr->representation().IsDouble() &&
- (IsDoubleOrFloatElementsKind(instr->elements_kind()))));
+ (IsDoubleOrFloatElementsKind(instr->elements_kind()))) ||
+ (CpuFeatures::SupportsSIMD128InCrankshaft()
+ ? instr->representation().IsFloat32x4()
+ : instr->representation().IsTagged() &&
+ (IsFloat32x4ElementsKind(instr->elements_kind()))) ||
+ (CpuFeatures::SupportsSIMD128InCrankshaft()
+ ? instr->representation().IsFloat64x2()
+ : instr->representation().IsTagged() &&
+ (IsFloat64x2ElementsKind(instr->elements_kind()))) ||
+ (CpuFeatures::SupportsSIMD128InCrankshaft()
+ ? instr->representation().IsInt32x4()
+ : instr->representation().IsTagged() &&
+ (IsInt32x4ElementsKind(instr->elements_kind()))));
LOperand* backing_store = UseRegister(instr->elements());
- result = new(zone()) LLoadKeyed(backing_store, key);
+ result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key));
}
- DefineAsRegister(result);
- bool can_deoptimize = instr->RequiresHoleCheck() ||
- (elements_kind == EXTERNAL_UINT32_ELEMENTS);
- // An unsigned int array load might overflow and cause a deopt, make sure it
- // has an environment.
- return can_deoptimize ? AssignEnvironment(result) : result;
+ if ((instr->is_external() || instr->is_fixed_typed_array()) ?
+ // see LCodeGen::DoLoadKeyedExternalArray
+ ((instr->elements_kind() == EXTERNAL_UINT32_ELEMENTS ||
+ instr->elements_kind() == UINT32_ELEMENTS) &&
+ !instr->CheckFlag(HInstruction::kUint32)) :
+ // see LCodeGen::DoLoadKeyedFixedDoubleArray and
+ // LCodeGen::DoLoadKeyedFixedArray
+ instr->RequiresHoleCheck()) {
+ result = AssignEnvironment(result);
+ }
+ return result;
}
LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), esi);
- LOperand* object = UseFixed(instr->object(), edx);
- LOperand* key = UseFixed(instr->key(), ecx);
-
+ LOperand* object = UseFixed(instr->object(), LoadIC::ReceiverRegister());
+ LOperand* key = UseFixed(instr->key(), LoadIC::NameRegister());
+ LOperand* vector = NULL;
+ if (FLAG_vector_ics) {
+ vector = FixedTemp(LoadIC::VectorRegister());
+ }
LLoadKeyedGeneric* result =
- new(zone()) LLoadKeyedGeneric(context, object, key);
+ new(zone()) LLoadKeyedGeneric(context, object, key, vector);
return MarkAsCall(DefineFixed(result, eax), instr);
}
return UseFixed(instr->value(), eax);
}
- if (!CpuFeatures::IsSafeForSnapshot(SSE2) &&
- IsDoubleOrFloatElementsKind(elements_kind)) {
- return UseRegisterAtStart(instr->value());
- }
-
return UseRegister(instr->value());
}
LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
if (!instr->is_typed_elements()) {
- ASSERT(instr->elements()->representation().IsTagged());
- ASSERT(instr->key()->representation().IsInteger32() ||
+ DCHECK(instr->elements()->representation().IsTagged());
+ DCHECK(instr->key()->representation().IsInteger32() ||
instr->key()->representation().IsSmi());
if (instr->value()->representation().IsDouble()) {
LOperand* key = UseRegisterOrConstantAtStart(instr->key());
return new(zone()) LStoreKeyed(object, key, val);
} else {
- ASSERT(instr->value()->representation().IsSmiOrTagged());
+ DCHECK(instr->value()->representation().IsSmiOrTagged());
bool needs_write_barrier = instr->NeedsWriteBarrier();
LOperand* obj = UseRegister(instr->elements());
}
ElementsKind elements_kind = instr->elements_kind();
- ASSERT(
+ DCHECK(
(instr->value()->representation().IsInteger32() &&
!IsDoubleOrFloatElementsKind(elements_kind)) ||
(instr->value()->representation().IsDouble() &&
- IsDoubleOrFloatElementsKind(elements_kind)));
- ASSERT((instr->is_fixed_typed_array() &&
+ IsDoubleOrFloatElementsKind(elements_kind)) ||
+ (CpuFeatures::SupportsSIMD128InCrankshaft()
+ ? instr->value()->representation().IsFloat32x4()
+ : instr->value()->representation().IsTagged() &&
+ IsFloat32x4ElementsKind(elements_kind)) ||
+ (CpuFeatures::SupportsSIMD128InCrankshaft()
+ ? instr->value()->representation().IsFloat64x2()
+ : instr->value()->representation().IsTagged() &&
+ IsFloat64x2ElementsKind(elements_kind)) ||
+ (CpuFeatures::SupportsSIMD128InCrankshaft()
+ ? instr->value()->representation().IsInt32x4()
+ : instr->value()->representation().IsTagged() &&
+ IsInt32x4ElementsKind(elements_kind)));
+ DCHECK((instr->is_fixed_typed_array() &&
instr->elements()->representation().IsTagged()) ||
(instr->is_external() &&
instr->elements()->representation().IsExternal()));
LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), esi);
- LOperand* object = UseFixed(instr->object(), edx);
- LOperand* key = UseFixed(instr->key(), ecx);
- LOperand* value = UseFixed(instr->value(), eax);
+ LOperand* object = UseFixed(instr->object(),
+ KeyedStoreIC::ReceiverRegister());
+ LOperand* key = UseFixed(instr->key(), KeyedStoreIC::NameRegister());
+ LOperand* value = UseFixed(instr->value(), KeyedStoreIC::ValueRegister());
- ASSERT(instr->object()->representation().IsTagged());
- ASSERT(instr->key()->representation().IsTagged());
- ASSERT(instr->value()->representation().IsTagged());
+ DCHECK(instr->object()->representation().IsTagged());
+ DCHECK(instr->key()->representation().IsTagged());
+ DCHECK(instr->value()->representation().IsTagged());
LStoreKeyedGeneric* result =
new(zone()) LStoreKeyedGeneric(context, object, key, value);
LInstruction* LChunkBuilder::DoTransitionElementsKind(
HTransitionElementsKind* instr) {
- LOperand* object = UseRegister(instr->object());
if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) {
LOperand* object = UseRegister(instr->object());
LOperand* new_map_reg = TempRegister();
new_map_reg, temp_reg);
return result;
} else {
+ LOperand* object = UseFixed(instr->object(), eax);
LOperand* context = UseFixed(instr->context(), esi);
LTransitionElementsKind* result =
new(zone()) LTransitionElementsKind(object, context, NULL, NULL);
- return AssignPointerMap(result);
+ return MarkAsCall(result, instr);
}
}
? UseRegister(instr->object())
: UseTempRegister(instr->object());
} else if (is_external_location) {
- ASSERT(!is_in_object);
- ASSERT(!needs_write_barrier);
- ASSERT(!needs_write_barrier_for_map);
+ DCHECK(!is_in_object);
+ DCHECK(!needs_write_barrier);
+ DCHECK(!needs_write_barrier_for_map);
obj = UseRegisterOrConstant(instr->object());
} else {
obj = needs_write_barrier_for_map
bool can_be_constant = instr->value()->IsConstant() &&
HConstant::cast(instr->value())->NotInNewSpace() &&
- !(FLAG_track_double_fields && instr->field_representation().IsDouble());
+ !instr->field_representation().IsDouble();
LOperand* val;
if (instr->field_representation().IsInteger8() ||
val = UseTempRegister(instr->value());
} else if (can_be_constant) {
val = UseRegisterOrConstant(instr->value());
- } else if (FLAG_track_fields && instr->field_representation().IsSmi()) {
+ } else if (instr->field_representation().IsSmi()) {
val = UseTempRegister(instr->value());
- } else if (FLAG_track_double_fields &&
- instr->field_representation().IsDouble()) {
+ } else if (instr->field_representation().IsDouble()) {
val = UseRegisterAtStart(instr->value());
} else {
val = UseRegister(instr->value());
// We need a temporary register for write barrier of the map field.
LOperand* temp_map = needs_write_barrier_for_map ? TempRegister() : NULL;
- LStoreNamedField* result =
- new(zone()) LStoreNamedField(obj, val, temp, temp_map);
- if (FLAG_track_heap_object_fields &&
- instr->field_representation().IsHeapObject()) {
- if (!instr->value()->type().IsHeapObject()) {
- return AssignEnvironment(result);
- }
- }
- return result;
+ return new(zone()) LStoreNamedField(obj, val, temp, temp_map);
}
LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) {
LOperand* context = UseFixed(instr->context(), esi);
- LOperand* object = UseFixed(instr->object(), edx);
- LOperand* value = UseFixed(instr->value(), eax);
+ LOperand* object = UseFixed(instr->object(), StoreIC::ReceiverRegister());
+ LOperand* value = UseFixed(instr->value(), StoreIC::ValueRegister());
LStoreNamedGeneric* result =
new(zone()) LStoreNamedGeneric(context, object, value);
LOperand* context = UseAny(instr->context());
LStringCharCodeAt* result =
new(zone()) LStringCharCodeAt(context, string, index);
- return AssignEnvironment(AssignPointerMap(DefineAsRegister(result)));
+ return AssignPointerMap(DefineAsRegister(result));
}
LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
- ASSERT(argument_count_ == 0);
+ DCHECK(argument_count_ == 0);
allocator_->MarkAsOsrEntry();
current_block_->last_environment()->set_ast_id(instr->ast_id());
return AssignEnvironment(new(zone()) LOsrEntry);
int spill_index = chunk()->GetParameterStackSlot(instr->index());
return DefineAsSpilled(result, spill_index);
} else {
- ASSERT(info()->IsStub());
+ DCHECK(info()->IsStub());
CodeStubInterfaceDescriptor* descriptor =
- info()->code_stub()->GetInterfaceDescriptor(info()->isolate());
+ info()->code_stub()->GetInterfaceDescriptor();
int index = static_cast<int>(instr->index());
- Register reg = descriptor->GetParameterRegister(index);
+ Register reg = descriptor->GetEnvironmentParameterRegister(index);
return DefineFixed(result, reg);
}
}
LInstruction* LChunkBuilder::DoTypeofIsAndBranch(HTypeofIsAndBranch* instr) {
- LInstruction* goto_instr = CheckElideControlInstruction(instr);
- if (goto_instr != NULL) return goto_instr;
return new(zone()) LTypeofIsAndBranch(UseTempRegister(instr->value()));
}
LInstruction* LChunkBuilder::DoSimulate(HSimulate* instr) {
instr->ReplayEnvironment(current_block_->last_environment());
-
- // If there is an instruction pending deoptimization environment create a
- // lazy bailout instruction to capture the environment.
- if (!pending_deoptimization_ast_id_.IsNone()) {
- ASSERT(pending_deoptimization_ast_id_ == instr->ast_id());
- LLazyBailout* lazy_bailout = new(zone()) LLazyBailout;
- LInstruction* result = AssignEnvironment(lazy_bailout);
- // Store the lazy deopt environment with the instruction if needed. Right
- // now it is only used for LInstanceOfKnownGlobal.
- instruction_pending_deoptimization_environment_->
- SetDeferredLazyDeoptimizationEnvironment(result->environment());
- instruction_pending_deoptimization_environment_ = NULL;
- pending_deoptimization_ast_id_ = BailoutId::None();
- return result;
- }
-
return NULL;
}
LOperand* context = UseFixed(instr->context(), esi);
return MarkAsCall(new(zone()) LStackCheck(context), instr);
} else {
- ASSERT(instr->is_backwards_branch());
+ DCHECK(instr->is_backwards_branch());
LOperand* context = UseAny(instr->context());
return AssignEnvironment(
AssignPointerMap(new(zone()) LStackCheck(context)));
LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
HEnvironment* outer = current_block_->last_environment();
+ outer->set_ast_id(instr->ReturnId());
HConstant* undefined = graph()->GetConstantUndefined();
HEnvironment* inner = outer->CopyForInlining(instr->closure(),
instr->arguments_count(),
if (env->entry()->arguments_pushed()) {
int argument_count = env->arguments_environment()->parameter_count();
pop = new(zone()) LDrop(argument_count);
- ASSERT(instr->argument_delta() == -argument_count);
+ DCHECK(instr->argument_delta() == -argument_count);
}
HEnvironment* outer = current_block_->last_environment()->
LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
LOperand* object = UseRegister(instr->object());
LOperand* index = UseTempRegister(instr->index());
- return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
+ LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index);
+ LInstruction* result = DefineSameAsFirst(load);
+ return AssignPointerMap(result);
+}
+
+
+LInstruction* LChunkBuilder::DoStoreFrameContext(HStoreFrameContext* instr) {
+ LOperand* context = UseRegisterAtStart(instr->context());
+ return new(zone()) LStoreFrameContext(context);
+}
+
+
+LInstruction* LChunkBuilder::DoAllocateBlockContext(
+ HAllocateBlockContext* instr) {
+ LOperand* context = UseFixed(instr->context(), esi);
+ LOperand* function = UseRegisterAtStart(instr->function());
+ LAllocateBlockContext* result =
+ new(zone()) LAllocateBlockContext(context, function);
+ return MarkAsCall(DefineFixed(result, esi), instr);
+}
+
+
+const char* LNullarySIMDOperation::Mnemonic() const {
+ switch (op()) {
+#define SIMD_NULLARY_OPERATION_CASE_ITEM(module, function, name, p4) \
+ case k##name: \
+ return #module "-" #function;
+SIMD_NULLARY_OPERATIONS(SIMD_NULLARY_OPERATION_CASE_ITEM)
+#undef SIMD_NULLARY_OPERATION_CASE_ITEM
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+LInstruction* LChunkBuilder::DoNullarySIMDOperation(
+ HNullarySIMDOperation* instr) {
+ LNullarySIMDOperation* result =
+ new(zone()) LNullarySIMDOperation(instr->op());
+ switch (instr->op()) {
+#define SIMD_NULLARY_OPERATION_CASE_ITEM(module, function, name, p4) \
+ case k##name:
+SIMD_NULLARY_OPERATIONS(SIMD_NULLARY_OPERATION_CASE_ITEM)
+#undef SIMD_NULLARY_OPERATION_CASE_ITEM
+ return DefineAsRegister(result);
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+const char* LUnarySIMDOperation::Mnemonic() const {
+ switch (op()) {
+ case kSIMD128Change: return "SIMD128-change";
+#define SIMD_UNARY_OPERATION_CASE_ITEM(module, function, name, p4, p5) \
+ case k##name: \
+ return #module "-" #function;
+SIMD_UNARY_OPERATIONS(SIMD_UNARY_OPERATION_CASE_ITEM)
+SIMD_UNARY_OPERATIONS_FOR_PROPERTY_ACCESS(SIMD_UNARY_OPERATION_CASE_ITEM)
+#undef SIMD_UNARY_OPERATION_CASE_ITEM
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+LInstruction* LChunkBuilder::DoUnarySIMDOperation(HUnarySIMDOperation* instr) {
+ LOperand* input = UseRegisterAtStart(instr->value());
+ LUnarySIMDOperation* result =
+ new(zone()) LUnarySIMDOperation(input, instr->op());
+ switch (instr->op()) {
+ case kSIMD128Change:
+ return AssignEnvironment(DefineAsRegister(result));
+ case kFloat32x4Abs:
+ case kFloat32x4Neg:
+ case kFloat32x4Reciprocal:
+ case kFloat32x4ReciprocalSqrt:
+ case kFloat32x4Sqrt:
+ case kFloat64x2Abs:
+ case kFloat64x2Neg:
+ case kFloat64x2Sqrt:
+ case kInt32x4Neg:
+ case kInt32x4Not:
+ return DefineSameAsFirst(result);
+ case kFloat32x4Coercion:
+ case kFloat64x2Coercion:
+ case kInt32x4Coercion:
+ case kFloat32x4BitsToInt32x4:
+ case kFloat32x4ToInt32x4:
+ case kInt32x4BitsToFloat32x4:
+ case kInt32x4ToFloat32x4:
+ case kFloat32x4Splat:
+ case kInt32x4Splat:
+ case kFloat32x4GetSignMask:
+ case kFloat32x4GetX:
+ case kFloat32x4GetY:
+ case kFloat32x4GetZ:
+ case kFloat32x4GetW:
+ case kFloat64x2GetSignMask:
+ case kFloat64x2GetX:
+ case kFloat64x2GetY:
+ case kInt32x4GetSignMask:
+ case kInt32x4GetX:
+ case kInt32x4GetY:
+ case kInt32x4GetZ:
+ case kInt32x4GetW:
+ case kInt32x4GetFlagX:
+ case kInt32x4GetFlagY:
+ case kInt32x4GetFlagZ:
+ case kInt32x4GetFlagW:
+ return DefineAsRegister(result);
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+const char* LBinarySIMDOperation::Mnemonic() const {
+ switch (op()) {
+#define SIMD_BINARY_OPERATION_CASE_ITEM(module, function, name, p4, p5, p6) \
+ case k##name: \
+ return #module "-" #function;
+SIMD_BINARY_OPERATIONS(SIMD_BINARY_OPERATION_CASE_ITEM)
+#undef SIMD_BINARY_OPERATION_CASE_ITEM
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+LInstruction* LChunkBuilder::DoBinarySIMDOperation(
+ HBinarySIMDOperation* instr) {
+ switch (instr->op()) {
+ case kFloat32x4Add:
+ case kFloat32x4Div:
+ case kFloat32x4Max:
+ case kFloat32x4Min:
+ case kFloat32x4Mul:
+ case kFloat32x4Sub:
+ case kFloat32x4Scale:
+ case kFloat32x4WithX:
+ case kFloat32x4WithY:
+ case kFloat32x4WithZ:
+ case kFloat32x4WithW:
+ case kFloat64x2Add:
+ case kFloat64x2Div:
+ case kFloat64x2Max:
+ case kFloat64x2Min:
+ case kFloat64x2Mul:
+ case kFloat64x2Sub:
+ case kFloat64x2Scale:
+ case kFloat64x2WithX:
+ case kFloat64x2WithY:
+ case kInt32x4Add:
+ case kInt32x4And:
+ case kInt32x4Mul:
+ case kInt32x4Or:
+ case kInt32x4Sub:
+ case kInt32x4Xor:
+ case kInt32x4WithX:
+ case kInt32x4WithY:
+ case kInt32x4WithZ:
+ case kInt32x4WithW:
+ case kInt32x4WithFlagX:
+ case kInt32x4WithFlagY:
+ case kInt32x4WithFlagZ:
+ case kInt32x4WithFlagW:
+ case kInt32x4GreaterThan:
+ case kInt32x4Equal:
+ case kInt32x4LessThan: {
+ LOperand* left = UseRegisterAtStart(instr->left());
+ LOperand* right = UseRegisterAtStart(instr->right());
+ LBinarySIMDOperation* result =
+ new(zone()) LBinarySIMDOperation(left, right, instr->op());
+ if (instr->op() == kInt32x4WithFlagX ||
+ instr->op() == kInt32x4WithFlagY ||
+ instr->op() == kInt32x4WithFlagZ ||
+ instr->op() == kInt32x4WithFlagW) {
+ return AssignEnvironment(DefineSameAsFirst(result));
+ } else {
+ return DefineSameAsFirst(result);
+ }
+ }
+ case kFloat64x2Constructor: {
+ LOperand* left = UseRegisterAtStart(instr->left());
+ LOperand* right = UseRegisterAtStart(instr->right());
+ LBinarySIMDOperation* result =
+ new(zone()) LBinarySIMDOperation(left, right, instr->op());
+ return DefineAsRegister(result);
+ }
+ case kFloat32x4Shuffle:
+ case kInt32x4Shuffle:
+ case kInt32x4ShiftLeft:
+ case kInt32x4ShiftRight:
+ case kInt32x4ShiftRightArithmetic: {
+ LOperand* left = UseRegisterAtStart(instr->left());
+ LOperand* right = UseOrConstant(instr->right());
+ LBinarySIMDOperation* result =
+ new(zone()) LBinarySIMDOperation(left, right, instr->op());
+ return AssignEnvironment(DefineSameAsFirst(result));
+ }
+ case kFloat32x4LessThan:
+ case kFloat32x4LessThanOrEqual:
+ case kFloat32x4Equal:
+ case kFloat32x4NotEqual:
+ case kFloat32x4GreaterThanOrEqual:
+ case kFloat32x4GreaterThan: {
+ LOperand* left = UseRegisterAtStart(instr->left());
+ LOperand* right = UseRegisterAtStart(instr->right());
+ LBinarySIMDOperation* result =
+ new(zone()) LBinarySIMDOperation(left, right, instr->op());
+ return DefineAsRegister(result);
+ }
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+const char* LTernarySIMDOperation::Mnemonic() const {
+ switch (op()) {
+#define SIMD_TERNARY_OPERATION_CASE_ITEM(module, function, name, p4, p5, p6, \
+ p7) \
+ case k##name: \
+ return #module "-" #function;
+SIMD_TERNARY_OPERATIONS(SIMD_TERNARY_OPERATION_CASE_ITEM)
+#undef SIMD_TERNARY_OPERATION_CASE_ITEM
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+LInstruction* LChunkBuilder::DoTernarySIMDOperation(
+ HTernarySIMDOperation* instr) {
+ LOperand* first = UseRegisterAtStart(instr->first());
+ LOperand* second = UseRegisterAtStart(instr->second());
+ LOperand* third = instr->op() == kFloat32x4ShuffleMix
+ ? UseOrConstant(instr->third())
+ : UseRegisterAtStart(instr->third());
+ LTernarySIMDOperation* result =
+ new(zone()) LTernarySIMDOperation(first, second, third, instr->op());
+ switch (instr->op()) {
+ case kInt32x4Select:
+ case kFloat32x4Select: {
+ return DefineAsRegister(result);
+ }
+ case kFloat32x4ShuffleMix: {
+ return AssignEnvironment(DefineSameAsFirst(result));
+ }
+ case kFloat32x4Clamp:
+ case kFloat64x2Clamp: {
+ return DefineSameAsFirst(result);
+ }
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+const char* LQuarternarySIMDOperation::Mnemonic() const {
+ switch (op()) {
+#define SIMD_QUARTERNARY_OPERATION_CASE_ITEM(module, function, name, p4, p5, \
+ p6, p7, p8) \
+ case k##name: \
+ return #module "-" #function;
+SIMD_QUARTERNARY_OPERATIONS(SIMD_QUARTERNARY_OPERATION_CASE_ITEM)
+#undef SIMD_QUARTERNARY_OPERATION_CASE_ITEM
+ default:
+ UNREACHABLE();
+ return NULL;
+ }
+}
+
+
+LInstruction* LChunkBuilder::DoQuarternarySIMDOperation(
+ HQuarternarySIMDOperation* instr) {
+ LOperand* x = UseRegisterAtStart(instr->x());
+ LOperand* y = UseRegisterAtStart(instr->y());
+ LOperand* z = UseRegisterAtStart(instr->z());
+ LOperand* w = UseRegisterAtStart(instr->w());
+ LQuarternarySIMDOperation* result =
+ new(zone()) LQuarternarySIMDOperation(x, y, z, w, instr->op());
+ if (instr->op() == kInt32x4Bool) {
+ return AssignEnvironment(DefineAsRegister(result));
+ } else {
+ return DefineAsRegister(result);
+ }
}
projects / platform / framework / web / crosswalk.git / blobdiff