diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/optimizing/code_generator_x86.cc | 220 | ||||
| -rw-r--r-- | compiler/optimizing/code_generator_x86.h | 11 | ||||
| -rw-r--r-- | compiler/optimizing/code_generator_x86_64.cc | 244 | ||||
| -rw-r--r-- | compiler/optimizing/code_generator_x86_64.h | 12 |
4 files changed, 159 insertions, 328 deletions
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc index 28db29cb58..05182139bb 100644 --- a/compiler/optimizing/code_generator_x86.cc +++ b/compiler/optimizing/code_generator_x86.cc @@ -1069,15 +1069,11 @@ void CodeGeneratorX86::Move64(Location destination, Location source) { __ movsd(Address(ESP, destination.GetStackIndex()), source.AsFpuRegister<XmmRegister>()); } else if (source.IsConstant()) { HConstant* constant = source.GetConstant(); - int64_t value; - if (constant->IsLongConstant()) { - value = constant->AsLongConstant()->GetValue(); - } else { - DCHECK(constant->IsDoubleConstant()); - value = bit_cast<int64_t, double>(constant->AsDoubleConstant()->GetValue()); - } + DCHECK(constant->IsLongConstant() || constant->IsDoubleConstant()); + int64_t value = GetInt64ValueOf(constant); __ movl(Address(ESP, destination.GetStackIndex()), Immediate(Low32Bits(value))); - __ movl(Address(ESP, destination.GetHighStackIndex(kX86WordSize)), Immediate(High32Bits(value))); + __ movl(Address(ESP, destination.GetHighStackIndex(kX86WordSize)), + Immediate(High32Bits(value))); } else { DCHECK(source.IsDoubleStackSlot()) << source; EmitParallelMoves( @@ -1427,14 +1423,7 @@ void InstructionCodeGeneratorX86::GenerateTestAndBranch(HInstruction* instructio Location lhs = condition->GetLocations()->InAt(0); Location rhs = condition->GetLocations()->InAt(1); // LHS is guaranteed to be in a register (see LocationsBuilderX86::HandleCondition). - if (rhs.IsRegister()) { - __ cmpl(lhs.AsRegister<Register>(), rhs.AsRegister<Register>()); - } else if (rhs.IsConstant()) { - int32_t constant = CodeGenerator::GetInt32ValueOf(rhs.GetConstant()); - codegen_->Compare32BitValue(lhs.AsRegister<Register>(), constant); - } else { - __ cmpl(lhs.AsRegister<Register>(), Address(ESP, rhs.GetStackIndex())); - } + codegen_->GenerateIntCompare(lhs, rhs); if (true_target == nullptr) { __ j(X86Condition(condition->GetOppositeCondition()), false_target); } else { @@ -1528,18 +1517,6 @@ void LocationsBuilderX86::VisitSelect(HSelect* select) { locations->SetOut(Location::SameAsFirstInput()); } -void CodeGeneratorX86::GenerateIntCompare(Location lhs, Location rhs) { - Register lhs_reg = lhs.AsRegister<Register>(); - if (rhs.IsConstant()) { - int32_t value = CodeGenerator::GetInt32ValueOf(rhs.GetConstant()); - Compare32BitValue(lhs_reg, value); - } else if (rhs.IsStackSlot()) { - assembler_.cmpl(lhs_reg, Address(ESP, rhs.GetStackIndex())); - } else { - assembler_.cmpl(lhs_reg, rhs.AsRegister<Register>()); - } -} - void InstructionCodeGeneratorX86::VisitSelect(HSelect* select) { LocationSummary* locations = select->GetLocations(); DCHECK(locations->InAt(0).Equals(locations->Out())); @@ -3621,7 +3598,7 @@ void InstructionCodeGeneratorX86::VisitDivZeroCheck(HDivZeroCheck* instruction) } else { DCHECK(value.IsConstant()) << value; if (value.GetConstant()->AsIntConstant()->GetValue() == 0) { - __ jmp(slow_path->GetEntryLabel()); + __ jmp(slow_path->GetEntryLabel()); } } break; @@ -5033,56 +5010,31 @@ void InstructionCodeGeneratorX86::VisitArrayGet(HArrayGet* instruction) { switch (type) { case Primitive::kPrimBoolean: { Register out = out_loc.AsRegister<Register>(); - if (index.IsConstant()) { - __ movzxb(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + data_offset)); - } else { - __ movzxb(out, Address(obj, index.AsRegister<Register>(), TIMES_1, data_offset)); - } + __ movzxb(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_1, data_offset)); break; } case Primitive::kPrimByte: { Register out = out_loc.AsRegister<Register>(); - if (index.IsConstant()) { - __ movsxb(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + data_offset)); - } else { - __ movsxb(out, Address(obj, index.AsRegister<Register>(), TIMES_1, data_offset)); - } + __ movsxb(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_1, data_offset)); break; } case Primitive::kPrimShort: { Register out = out_loc.AsRegister<Register>(); - if (index.IsConstant()) { - __ movsxw(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + data_offset)); - } else { - __ movsxw(out, Address(obj, index.AsRegister<Register>(), TIMES_2, data_offset)); - } + __ movsxw(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_2, data_offset)); break; } case Primitive::kPrimChar: { Register out = out_loc.AsRegister<Register>(); - if (index.IsConstant()) { - __ movzxw(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + data_offset)); - } else { - __ movzxw(out, Address(obj, index.AsRegister<Register>(), TIMES_2, data_offset)); - } + __ movzxw(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_2, data_offset)); break; } case Primitive::kPrimInt: { Register out = out_loc.AsRegister<Register>(); - if (index.IsConstant()) { - __ movl(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset)); - } else { - __ movl(out, Address(obj, index.AsRegister<Register>(), TIMES_4, data_offset)); - } + __ movl(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_4, data_offset)); break; } @@ -5099,21 +5051,16 @@ void InstructionCodeGeneratorX86::VisitArrayGet(HArrayGet* instruction) { instruction, out_loc, obj, data_offset, index, /* needs_null_check */ true); } else { Register out = out_loc.AsRegister<Register>(); + __ movl(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_4, data_offset)); + codegen_->MaybeRecordImplicitNullCheck(instruction); + // If read barriers are enabled, emit read barriers other than + // Baker's using a slow path (and also unpoison the loaded + // reference, if heap poisoning is enabled). if (index.IsConstant()) { uint32_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset; - __ movl(out, Address(obj, offset)); - codegen_->MaybeRecordImplicitNullCheck(instruction); - // If read barriers are enabled, emit read barriers other than - // Baker's using a slow path (and also unpoison the loaded - // reference, if heap poisoning is enabled). codegen_->MaybeGenerateReadBarrierSlow(instruction, out_loc, out_loc, obj_loc, offset); } else { - __ movl(out, Address(obj, index.AsRegister<Register>(), TIMES_4, data_offset)); - codegen_->MaybeRecordImplicitNullCheck(instruction); - // If read barriers are enabled, emit read barriers other than - // Baker's using a slow path (and also unpoison the loaded - // reference, if heap poisoning is enabled). codegen_->MaybeGenerateReadBarrierSlow( instruction, out_loc, out_loc, obj_loc, data_offset, index); } @@ -5123,40 +5070,23 @@ void InstructionCodeGeneratorX86::VisitArrayGet(HArrayGet* instruction) { case Primitive::kPrimLong: { DCHECK_NE(obj, out_loc.AsRegisterPairLow<Register>()); - if (index.IsConstant()) { - size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset; - __ movl(out_loc.AsRegisterPairLow<Register>(), Address(obj, offset)); - codegen_->MaybeRecordImplicitNullCheck(instruction); - __ movl(out_loc.AsRegisterPairHigh<Register>(), Address(obj, offset + kX86WordSize)); - } else { - __ movl(out_loc.AsRegisterPairLow<Register>(), - Address(obj, index.AsRegister<Register>(), TIMES_8, data_offset)); - codegen_->MaybeRecordImplicitNullCheck(instruction); - __ movl(out_loc.AsRegisterPairHigh<Register>(), - Address(obj, index.AsRegister<Register>(), TIMES_8, data_offset + kX86WordSize)); - } + __ movl(out_loc.AsRegisterPairLow<Register>(), + CodeGeneratorX86::ArrayAddress(obj, index, TIMES_8, data_offset)); + codegen_->MaybeRecordImplicitNullCheck(instruction); + __ movl(out_loc.AsRegisterPairHigh<Register>(), + CodeGeneratorX86::ArrayAddress(obj, index, TIMES_8, data_offset + kX86WordSize)); break; } case Primitive::kPrimFloat: { XmmRegister out = out_loc.AsFpuRegister<XmmRegister>(); - if (index.IsConstant()) { - __ movss(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset)); - } else { - __ movss(out, Address(obj, index.AsRegister<Register>(), TIMES_4, data_offset)); - } + __ movss(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_4, data_offset)); break; } case Primitive::kPrimDouble: { XmmRegister out = out_loc.AsFpuRegister<XmmRegister>(); - if (index.IsConstant()) { - __ movsd(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset)); - } else { - __ movsd(out, Address(obj, index.AsRegister<Register>(), TIMES_8, data_offset)); - } + __ movsd(out, CodeGeneratorX86::ArrayAddress(obj, index, TIMES_8, data_offset)); break; } @@ -5227,9 +5157,7 @@ void InstructionCodeGeneratorX86::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimBoolean: case Primitive::kPrimByte: { uint32_t offset = mirror::Array::DataOffset(sizeof(uint8_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + offset) - : Address(array, index.AsRegister<Register>(), TIMES_1, offset); + Address address = CodeGeneratorX86::ArrayAddress(array, index, TIMES_1, offset); if (value.IsRegister()) { __ movb(address, value.AsRegister<ByteRegister>()); } else { @@ -5242,9 +5170,7 @@ void InstructionCodeGeneratorX86::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimShort: case Primitive::kPrimChar: { uint32_t offset = mirror::Array::DataOffset(sizeof(uint16_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + offset) - : Address(array, index.AsRegister<Register>(), TIMES_2, offset); + Address address = CodeGeneratorX86::ArrayAddress(array, index, TIMES_2, offset); if (value.IsRegister()) { __ movw(address, value.AsRegister<Register>()); } else { @@ -5256,9 +5182,7 @@ void InstructionCodeGeneratorX86::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimNot: { uint32_t offset = mirror::Array::DataOffset(sizeof(int32_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + offset) - : Address(array, index.AsRegister<Register>(), TIMES_4, offset); + Address address = CodeGeneratorX86::ArrayAddress(array, index, TIMES_4, offset); if (!value.IsRegister()) { // Just setting null. @@ -5354,9 +5278,7 @@ void InstructionCodeGeneratorX86::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimInt: { uint32_t offset = mirror::Array::DataOffset(sizeof(int32_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + offset) - : Address(array, index.AsRegister<Register>(), TIMES_4, offset); + Address address = CodeGeneratorX86::ArrayAddress(array, index, TIMES_4, offset); if (value.IsRegister()) { __ movl(address, value.AsRegister<Register>()); } else { @@ -5370,44 +5292,27 @@ void InstructionCodeGeneratorX86::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimLong: { uint32_t data_offset = mirror::Array::DataOffset(sizeof(int64_t)).Uint32Value(); - if (index.IsConstant()) { - size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset; - if (value.IsRegisterPair()) { - __ movl(Address(array, offset), value.AsRegisterPairLow<Register>()); - codegen_->MaybeRecordImplicitNullCheck(instruction); - __ movl(Address(array, offset + kX86WordSize), value.AsRegisterPairHigh<Register>()); - } else { - DCHECK(value.IsConstant()); - int64_t val = value.GetConstant()->AsLongConstant()->GetValue(); - __ movl(Address(array, offset), Immediate(Low32Bits(val))); - codegen_->MaybeRecordImplicitNullCheck(instruction); - __ movl(Address(array, offset + kX86WordSize), Immediate(High32Bits(val))); - } + if (value.IsRegisterPair()) { + __ movl(CodeGeneratorX86::ArrayAddress(array, index, TIMES_8, data_offset), + value.AsRegisterPairLow<Register>()); + codegen_->MaybeRecordImplicitNullCheck(instruction); + __ movl(CodeGeneratorX86::ArrayAddress(array, index, TIMES_8, data_offset + kX86WordSize), + value.AsRegisterPairHigh<Register>()); } else { - if (value.IsRegisterPair()) { - __ movl(Address(array, index.AsRegister<Register>(), TIMES_8, data_offset), - value.AsRegisterPairLow<Register>()); - codegen_->MaybeRecordImplicitNullCheck(instruction); - __ movl(Address(array, index.AsRegister<Register>(), TIMES_8, data_offset + kX86WordSize), - value.AsRegisterPairHigh<Register>()); - } else { - DCHECK(value.IsConstant()); - int64_t val = value.GetConstant()->AsLongConstant()->GetValue(); - __ movl(Address(array, index.AsRegister<Register>(), TIMES_8, data_offset), - Immediate(Low32Bits(val))); - codegen_->MaybeRecordImplicitNullCheck(instruction); - __ movl(Address(array, index.AsRegister<Register>(), TIMES_8, data_offset + kX86WordSize), - Immediate(High32Bits(val))); - } + DCHECK(value.IsConstant()); + int64_t val = value.GetConstant()->AsLongConstant()->GetValue(); + __ movl(CodeGeneratorX86::ArrayAddress(array, index, TIMES_8, data_offset), + Immediate(Low32Bits(val))); + codegen_->MaybeRecordImplicitNullCheck(instruction); + __ movl(CodeGeneratorX86::ArrayAddress(array, index, TIMES_8, data_offset + kX86WordSize), + Immediate(High32Bits(val))); } break; } case Primitive::kPrimFloat: { uint32_t offset = mirror::Array::DataOffset(sizeof(float)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + offset) - : Address(array, index.AsRegister<Register>(), TIMES_4, offset); + Address address = CodeGeneratorX86::ArrayAddress(array, index, TIMES_4, offset); if (value.IsFpuRegister()) { __ movss(address, value.AsFpuRegister<XmmRegister>()); } else { @@ -5421,17 +5326,13 @@ void InstructionCodeGeneratorX86::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimDouble: { uint32_t offset = mirror::Array::DataOffset(sizeof(double)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + offset) - : Address(array, index.AsRegister<Register>(), TIMES_8, offset); + Address address = CodeGeneratorX86::ArrayAddress(array, index, TIMES_8, offset); if (value.IsFpuRegister()) { __ movsd(address, value.AsFpuRegister<XmmRegister>()); } else { DCHECK(value.IsConstant()); - Address address_hi = index.IsConstant() ? - Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + - offset + kX86WordSize) : - Address(array, index.AsRegister<Register>(), TIMES_8, offset + kX86WordSize); + Address address_hi = + CodeGeneratorX86::ArrayAddress(array, index, TIMES_8, offset + kX86WordSize); int64_t v = bit_cast<int64_t, double>(value.GetConstant()->AsDoubleConstant()->GetValue()); __ movl(address, Immediate(Low32Bits(v))); codegen_->MaybeRecordImplicitNullCheck(instruction); @@ -5525,13 +5426,7 @@ void InstructionCodeGeneratorX86::VisitBoundsCheck(HBoundsCheck* instruction) { } codegen_->MaybeRecordImplicitNullCheck(array_length); } else { - Register length = length_loc.AsRegister<Register>(); - if (index_loc.IsConstant()) { - int32_t value = CodeGenerator::GetInt32ValueOf(index_loc.GetConstant()); - __ cmpl(length, Immediate(value)); - } else { - __ cmpl(length, index_loc.AsRegister<Register>()); - } + codegen_->GenerateIntCompare(length_loc, index_loc); } codegen_->AddSlowPath(slow_path); __ j(kBelowEqual, slow_path->GetEntryLabel()); @@ -6909,9 +6804,7 @@ void CodeGeneratorX86::GenerateArrayLoadWithBakerReadBarrier(HInstruction* instr "art::mirror::HeapReference<art::mirror::Object> and int32_t have different sizes."); // /* HeapReference<Object> */ ref = // *(obj + data_offset + index * sizeof(HeapReference<Object>)) - Address src = index.IsConstant() ? - Address(obj, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset) : - Address(obj, index.AsRegister<Register>(), TIMES_4, data_offset); + Address src = CodeGeneratorX86::ArrayAddress(obj, index, TIMES_4, data_offset); GenerateReferenceLoadWithBakerReadBarrier(instruction, ref, obj, src, needs_null_check); } @@ -7392,6 +7285,27 @@ void CodeGeneratorX86::Compare32BitValue(Register dest, int32_t value) { } } +void CodeGeneratorX86::GenerateIntCompare(Location lhs, Location rhs) { + Register lhs_reg = lhs.AsRegister<Register>(); + if (rhs.IsConstant()) { + int32_t value = CodeGenerator::GetInt32ValueOf(rhs.GetConstant()); + Compare32BitValue(lhs_reg, value); + } else if (rhs.IsStackSlot()) { + __ cmpl(lhs_reg, Address(ESP, rhs.GetStackIndex())); + } else { + __ cmpl(lhs_reg, rhs.AsRegister<Register>()); + } +} + +Address CodeGeneratorX86::ArrayAddress(Register obj, + Location index, + ScaleFactor scale, + uint32_t data_offset) { + return index.IsConstant() ? + Address(obj, (index.GetConstant()->AsIntConstant()->GetValue() << scale) + data_offset) : + Address(obj, index.AsRegister<Register>(), scale, data_offset); +} + Address CodeGeneratorX86::LiteralCaseTable(HX86PackedSwitch* switch_instr, Register reg, Register value) { diff --git a/compiler/optimizing/code_generator_x86.h b/compiler/optimizing/code_generator_x86.h index 04a0a3de6a..5866e65d88 100644 --- a/compiler/optimizing/code_generator_x86.h +++ b/compiler/optimizing/code_generator_x86.h @@ -427,8 +427,6 @@ class CodeGeneratorX86 : public CodeGenerator { Register value, bool value_can_be_null); - void GenerateIntCompare(Location lhs, Location rhs); - void GenerateMemoryBarrier(MemBarrierKind kind); Label* GetLabelOf(HBasicBlock* block) const { @@ -474,6 +472,15 @@ class CodeGeneratorX86 : public CodeGenerator { // Compare a register with a 32-bit value in the most efficient manner. void Compare32BitValue(Register dest, int32_t value); + // Compare int values. Supports only register locations for `lhs`. + void GenerateIntCompare(Location lhs, Location rhs); + + // Construct address for array access. + static Address ArrayAddress(Register obj, + Location index, + ScaleFactor scale, + uint32_t data_offset); + Address LiteralCaseTable(HX86PackedSwitch* switch_instr, Register reg, Register value); void Finalize(CodeAllocator* allocator) OVERRIDE; diff --git a/compiler/optimizing/code_generator_x86_64.cc b/compiler/optimizing/code_generator_x86_64.cc index 88d98fc1e1..506a7b1630 100644 --- a/compiler/optimizing/code_generator_x86_64.cc +++ b/compiler/optimizing/code_generator_x86_64.cc @@ -1204,13 +1204,8 @@ void CodeGeneratorX86_64::Move(Location destination, Location source) { source.AsFpuRegister<XmmRegister>()); } else if (source.IsConstant()) { HConstant* constant = source.GetConstant(); - int64_t value; - if (constant->IsDoubleConstant()) { - value = bit_cast<int64_t, double>(constant->AsDoubleConstant()->GetValue()); - } else { - DCHECK(constant->IsLongConstant()); - value = constant->AsLongConstant()->GetValue(); - } + DCHECK(constant->IsLongConstant() || constant->IsDoubleConstant()); + int64_t value = GetInt64ValueOf(constant); Store64BitValueToStack(destination, value); } else { DCHECK(source.IsDoubleStackSlot()); @@ -1309,31 +1304,11 @@ void InstructionCodeGeneratorX86_64::GenerateCompareTest(HCondition* condition) case Primitive::kPrimShort: case Primitive::kPrimInt: case Primitive::kPrimNot: { - CpuRegister left_reg = left.AsRegister<CpuRegister>(); - if (right.IsConstant()) { - int32_t value = CodeGenerator::GetInt32ValueOf(right.GetConstant()); - if (value == 0) { - __ testl(left_reg, left_reg); - } else { - __ cmpl(left_reg, Immediate(value)); - } - } else if (right.IsStackSlot()) { - __ cmpl(left_reg, Address(CpuRegister(RSP), right.GetStackIndex())); - } else { - __ cmpl(left_reg, right.AsRegister<CpuRegister>()); - } + codegen_->GenerateIntCompare(left, right); break; } case Primitive::kPrimLong: { - CpuRegister left_reg = left.AsRegister<CpuRegister>(); - if (right.IsConstant()) { - int64_t value = right.GetConstant()->AsLongConstant()->GetValue(); - codegen_->Compare64BitValue(left_reg, value); - } else if (right.IsDoubleStackSlot()) { - __ cmpq(left_reg, Address(CpuRegister(RSP), right.GetStackIndex())); - } else { - __ cmpq(left_reg, right.AsRegister<CpuRegister>()); - } + codegen_->GenerateLongCompare(left, right); break; } case Primitive::kPrimFloat: { @@ -1488,15 +1463,7 @@ void InstructionCodeGeneratorX86_64::GenerateTestAndBranch(HInstruction* instruc Location lhs = condition->GetLocations()->InAt(0); Location rhs = condition->GetLocations()->InAt(1); - if (rhs.IsRegister()) { - __ cmpl(lhs.AsRegister<CpuRegister>(), rhs.AsRegister<CpuRegister>()); - } else if (rhs.IsConstant()) { - int32_t constant = CodeGenerator::GetInt32ValueOf(rhs.GetConstant()); - codegen_->Compare32BitValue(lhs.AsRegister<CpuRegister>(), constant); - } else { - __ cmpl(lhs.AsRegister<CpuRegister>(), - Address(CpuRegister(RSP), rhs.GetStackIndex())); - } + codegen_->GenerateIntCompare(lhs, rhs); if (true_target == nullptr) { __ j(X86_64IntegerCondition(condition->GetOppositeCondition()), false_target); } else { @@ -1696,28 +1663,14 @@ void InstructionCodeGeneratorX86_64::HandleCondition(HCondition* cond) { // Clear output register: setcc only sets the low byte. __ xorl(reg, reg); - if (rhs.IsRegister()) { - __ cmpl(lhs.AsRegister<CpuRegister>(), rhs.AsRegister<CpuRegister>()); - } else if (rhs.IsConstant()) { - int32_t constant = CodeGenerator::GetInt32ValueOf(rhs.GetConstant()); - codegen_->Compare32BitValue(lhs.AsRegister<CpuRegister>(), constant); - } else { - __ cmpl(lhs.AsRegister<CpuRegister>(), Address(CpuRegister(RSP), rhs.GetStackIndex())); - } + codegen_->GenerateIntCompare(lhs, rhs); __ setcc(X86_64IntegerCondition(cond->GetCondition()), reg); return; case Primitive::kPrimLong: // Clear output register: setcc only sets the low byte. __ xorl(reg, reg); - if (rhs.IsRegister()) { - __ cmpq(lhs.AsRegister<CpuRegister>(), rhs.AsRegister<CpuRegister>()); - } else if (rhs.IsConstant()) { - int64_t value = rhs.GetConstant()->AsLongConstant()->GetValue(); - codegen_->Compare64BitValue(lhs.AsRegister<CpuRegister>(), value); - } else { - __ cmpq(lhs.AsRegister<CpuRegister>(), Address(CpuRegister(RSP), rhs.GetStackIndex())); - } + codegen_->GenerateLongCompare(lhs, rhs); __ setcc(X86_64IntegerCondition(cond->GetCondition()), reg); return; case Primitive::kPrimFloat: { @@ -1885,27 +1838,11 @@ void InstructionCodeGeneratorX86_64::VisitCompare(HCompare* compare) { case Primitive::kPrimShort: case Primitive::kPrimChar: case Primitive::kPrimInt: { - CpuRegister left_reg = left.AsRegister<CpuRegister>(); - if (right.IsConstant()) { - int32_t value = right.GetConstant()->AsIntConstant()->GetValue(); - codegen_->Compare32BitValue(left_reg, value); - } else if (right.IsStackSlot()) { - __ cmpl(left_reg, Address(CpuRegister(RSP), right.GetStackIndex())); - } else { - __ cmpl(left_reg, right.AsRegister<CpuRegister>()); - } + codegen_->GenerateIntCompare(left, right); break; } case Primitive::kPrimLong: { - CpuRegister left_reg = left.AsRegister<CpuRegister>(); - if (right.IsConstant()) { - int64_t value = right.GetConstant()->AsLongConstant()->GetValue(); - codegen_->Compare64BitValue(left_reg, value); - } else if (right.IsDoubleStackSlot()) { - __ cmpq(left_reg, Address(CpuRegister(RSP), right.GetStackIndex())); - } else { - __ cmpq(left_reg, right.AsRegister<CpuRegister>()); - } + codegen_->GenerateLongCompare(left, right); break; } case Primitive::kPrimFloat: { @@ -3714,7 +3651,7 @@ void InstructionCodeGeneratorX86_64::VisitDivZeroCheck(HDivZeroCheck* instructio } else { DCHECK(value.IsConstant()) << value; if (value.GetConstant()->AsIntConstant()->GetValue() == 0) { - __ jmp(slow_path->GetEntryLabel()); + __ jmp(slow_path->GetEntryLabel()); } } break; @@ -3729,7 +3666,7 @@ void InstructionCodeGeneratorX86_64::VisitDivZeroCheck(HDivZeroCheck* instructio } else { DCHECK(value.IsConstant()) << value; if (value.GetConstant()->AsLongConstant()->GetValue() == 0) { - __ jmp(slow_path->GetEntryLabel()); + __ jmp(slow_path->GetEntryLabel()); } } break; @@ -4538,56 +4475,31 @@ void InstructionCodeGeneratorX86_64::VisitArrayGet(HArrayGet* instruction) { switch (type) { case Primitive::kPrimBoolean: { CpuRegister out = out_loc.AsRegister<CpuRegister>(); - if (index.IsConstant()) { - __ movzxb(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + data_offset)); - } else { - __ movzxb(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_1, data_offset)); - } + __ movzxb(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_1, data_offset)); break; } case Primitive::kPrimByte: { CpuRegister out = out_loc.AsRegister<CpuRegister>(); - if (index.IsConstant()) { - __ movsxb(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + data_offset)); - } else { - __ movsxb(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_1, data_offset)); - } + __ movsxb(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_1, data_offset)); break; } case Primitive::kPrimShort: { CpuRegister out = out_loc.AsRegister<CpuRegister>(); - if (index.IsConstant()) { - __ movsxw(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + data_offset)); - } else { - __ movsxw(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_2, data_offset)); - } + __ movsxw(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_2, data_offset)); break; } case Primitive::kPrimChar: { CpuRegister out = out_loc.AsRegister<CpuRegister>(); - if (index.IsConstant()) { - __ movzxw(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + data_offset)); - } else { - __ movzxw(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_2, data_offset)); - } + __ movzxw(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_2, data_offset)); break; } case Primitive::kPrimInt: { CpuRegister out = out_loc.AsRegister<CpuRegister>(); - if (index.IsConstant()) { - __ movl(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset)); - } else { - __ movl(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_4, data_offset)); - } + __ movl(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_4, data_offset)); break; } @@ -4604,21 +4516,16 @@ void InstructionCodeGeneratorX86_64::VisitArrayGet(HArrayGet* instruction) { instruction, out_loc, obj, data_offset, index, /* needs_null_check */ true); } else { CpuRegister out = out_loc.AsRegister<CpuRegister>(); + __ movl(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_4, data_offset)); + codegen_->MaybeRecordImplicitNullCheck(instruction); + // If read barriers are enabled, emit read barriers other than + // Baker's using a slow path (and also unpoison the loaded + // reference, if heap poisoning is enabled). if (index.IsConstant()) { uint32_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset; - __ movl(out, Address(obj, offset)); - codegen_->MaybeRecordImplicitNullCheck(instruction); - // If read barriers are enabled, emit read barriers other than - // Baker's using a slow path (and also unpoison the loaded - // reference, if heap poisoning is enabled). codegen_->MaybeGenerateReadBarrierSlow(instruction, out_loc, out_loc, obj_loc, offset); } else { - __ movl(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_4, data_offset)); - codegen_->MaybeRecordImplicitNullCheck(instruction); - // If read barriers are enabled, emit read barriers other than - // Baker's using a slow path (and also unpoison the loaded - // reference, if heap poisoning is enabled). codegen_->MaybeGenerateReadBarrierSlow( instruction, out_loc, out_loc, obj_loc, data_offset, index); } @@ -4628,34 +4535,19 @@ void InstructionCodeGeneratorX86_64::VisitArrayGet(HArrayGet* instruction) { case Primitive::kPrimLong: { CpuRegister out = out_loc.AsRegister<CpuRegister>(); - if (index.IsConstant()) { - __ movq(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset)); - } else { - __ movq(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_8, data_offset)); - } + __ movq(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_8, data_offset)); break; } case Primitive::kPrimFloat: { XmmRegister out = out_loc.AsFpuRegister<XmmRegister>(); - if (index.IsConstant()) { - __ movss(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset)); - } else { - __ movss(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_4, data_offset)); - } + __ movss(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_4, data_offset)); break; } case Primitive::kPrimDouble: { XmmRegister out = out_loc.AsFpuRegister<XmmRegister>(); - if (index.IsConstant()) { - __ movsd(out, Address(obj, - (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset)); - } else { - __ movsd(out, Address(obj, index.AsRegister<CpuRegister>(), TIMES_8, data_offset)); - } + __ movsd(out, CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_8, data_offset)); break; } @@ -4718,9 +4610,7 @@ void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimBoolean: case Primitive::kPrimByte: { uint32_t offset = mirror::Array::DataOffset(sizeof(uint8_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + offset) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_1, offset); + Address address = CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_1, offset); if (value.IsRegister()) { __ movb(address, value.AsRegister<CpuRegister>()); } else { @@ -4733,9 +4623,7 @@ void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimShort: case Primitive::kPrimChar: { uint32_t offset = mirror::Array::DataOffset(sizeof(uint16_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + offset) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_2, offset); + Address address = CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_2, offset); if (value.IsRegister()) { __ movw(address, value.AsRegister<CpuRegister>()); } else { @@ -4748,9 +4636,7 @@ void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimNot: { uint32_t offset = mirror::Array::DataOffset(sizeof(int32_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + offset) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_4, offset); + Address address = CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_4, offset); if (!value.IsRegister()) { // Just setting null. @@ -4846,9 +4732,7 @@ void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimInt: { uint32_t offset = mirror::Array::DataOffset(sizeof(int32_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + offset) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_4, offset); + Address address = CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_4, offset); if (value.IsRegister()) { __ movl(address, value.AsRegister<CpuRegister>()); } else { @@ -4862,18 +4746,14 @@ void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimLong: { uint32_t offset = mirror::Array::DataOffset(sizeof(int64_t)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + offset) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_8, offset); + Address address = CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_8, offset); if (value.IsRegister()) { __ movq(address, value.AsRegister<CpuRegister>()); codegen_->MaybeRecordImplicitNullCheck(instruction); } else { int64_t v = value.GetConstant()->AsLongConstant()->GetValue(); - Address address_high = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + - offset + sizeof(int32_t)) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_8, offset + sizeof(int32_t)); + Address address_high = + CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_8, offset + sizeof(int32_t)); codegen_->MoveInt64ToAddress(address, address_high, v, instruction); } break; @@ -4881,15 +4761,12 @@ void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimFloat: { uint32_t offset = mirror::Array::DataOffset(sizeof(float)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + offset) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_4, offset); + Address address = CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_4, offset); if (value.IsFpuRegister()) { __ movss(address, value.AsFpuRegister<XmmRegister>()); } else { DCHECK(value.IsConstant()); - int32_t v = - bit_cast<int32_t, float>(value.GetConstant()->AsFloatConstant()->GetValue()); + int32_t v = bit_cast<int32_t, float>(value.GetConstant()->AsFloatConstant()->GetValue()); __ movl(address, Immediate(v)); } codegen_->MaybeRecordImplicitNullCheck(instruction); @@ -4898,19 +4775,15 @@ void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) { case Primitive::kPrimDouble: { uint32_t offset = mirror::Array::DataOffset(sizeof(double)).Uint32Value(); - Address address = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + offset) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_8, offset); + Address address = CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_8, offset); if (value.IsFpuRegister()) { __ movsd(address, value.AsFpuRegister<XmmRegister>()); codegen_->MaybeRecordImplicitNullCheck(instruction); } else { int64_t v = bit_cast<int64_t, double>(value.GetConstant()->AsDoubleConstant()->GetValue()); - Address address_high = index.IsConstant() - ? Address(array, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + - offset + sizeof(int32_t)) - : Address(array, index.AsRegister<CpuRegister>(), TIMES_8, offset + sizeof(int32_t)); + Address address_high = + CodeGeneratorX86_64::ArrayAddress(array, index, TIMES_8, offset + sizeof(int32_t)); codegen_->MoveInt64ToAddress(address, address_high, v, instruction); } break; @@ -5001,13 +4874,7 @@ void InstructionCodeGeneratorX86_64::VisitBoundsCheck(HBoundsCheck* instruction) } codegen_->MaybeRecordImplicitNullCheck(array_length); } else { - CpuRegister length = length_loc.AsRegister<CpuRegister>(); - if (index_loc.IsConstant()) { - int32_t value = CodeGenerator::GetInt32ValueOf(index_loc.GetConstant()); - __ cmpl(length, Immediate(value)); - } else { - __ cmpl(length, index_loc.AsRegister<CpuRegister>()); - } + codegen_->GenerateIntCompare(length_loc, index_loc); } codegen_->AddSlowPath(slow_path); __ j(kBelowEqual, slow_path->GetEntryLabel()); @@ -6361,9 +6228,7 @@ void CodeGeneratorX86_64::GenerateArrayLoadWithBakerReadBarrier(HInstruction* in "art::mirror::HeapReference<art::mirror::Object> and int32_t have different sizes."); // /* HeapReference<Object> */ ref = // *(obj + data_offset + index * sizeof(HeapReference<Object>)) - Address src = index.IsConstant() ? - Address(obj, (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset) : - Address(obj, index.AsRegister<CpuRegister>(), TIMES_4, data_offset); + Address src = CodeGeneratorX86_64::ArrayAddress(obj, index, TIMES_4, data_offset); GenerateReferenceLoadWithBakerReadBarrier(instruction, ref, obj, src, needs_null_check); } @@ -6668,6 +6533,39 @@ void CodeGeneratorX86_64::Compare64BitValue(CpuRegister dest, int64_t value) { } } +void CodeGeneratorX86_64::GenerateIntCompare(Location lhs, Location rhs) { + CpuRegister lhs_reg = lhs.AsRegister<CpuRegister>(); + if (rhs.IsConstant()) { + int32_t value = CodeGenerator::GetInt32ValueOf(rhs.GetConstant()); + Compare32BitValue(lhs_reg, value); + } else if (rhs.IsStackSlot()) { + __ cmpl(lhs_reg, Address(CpuRegister(RSP), rhs.GetStackIndex())); + } else { + __ cmpl(lhs_reg, rhs.AsRegister<CpuRegister>()); + } +} + +void CodeGeneratorX86_64::GenerateLongCompare(Location lhs, Location rhs) { + CpuRegister lhs_reg = lhs.AsRegister<CpuRegister>(); + if (rhs.IsConstant()) { + int64_t value = rhs.GetConstant()->AsLongConstant()->GetValue(); + Compare64BitValue(lhs_reg, value); + } else if (rhs.IsDoubleStackSlot()) { + __ cmpq(lhs_reg, Address(CpuRegister(RSP), rhs.GetStackIndex())); + } else { + __ cmpq(lhs_reg, rhs.AsRegister<CpuRegister>()); + } +} + +Address CodeGeneratorX86_64::ArrayAddress(CpuRegister obj, + Location index, + ScaleFactor scale, + uint32_t data_offset) { + return index.IsConstant() ? + Address(obj, (index.GetConstant()->AsIntConstant()->GetValue() << scale) + data_offset) : + Address(obj, index.AsRegister<CpuRegister>(), scale, data_offset); +} + void CodeGeneratorX86_64::Store64BitValueToStack(Location dest, int64_t value) { DCHECK(dest.IsDoubleStackSlot()); if (IsInt<32>(value)) { diff --git a/compiler/optimizing/code_generator_x86_64.h b/compiler/optimizing/code_generator_x86_64.h index 693d0b8d26..7108676b8e 100644 --- a/compiler/optimizing/code_generator_x86_64.h +++ b/compiler/optimizing/code_generator_x86_64.h @@ -510,6 +510,18 @@ class CodeGeneratorX86_64 : public CodeGenerator { void Compare32BitValue(CpuRegister dest, int32_t value); void Compare64BitValue(CpuRegister dest, int64_t value); + // Compare int values. Supports only register locations for `lhs`. + void GenerateIntCompare(Location lhs, Location rhs); + + // Compare long values. Supports only register locations for `lhs`. + void GenerateLongCompare(Location lhs, Location rhs); + + // Construct address for array access. + static Address ArrayAddress(CpuRegister obj, + Location index, + ScaleFactor scale, + uint32_t data_offset); + Address LiteralCaseTable(HPackedSwitch* switch_instr); // Store a 64 bit value into a DoubleStackSlot in the most efficient manner. |