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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/compiler.h" | 10 #include "vm/compiler.h" |
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1678 __ Bind(entry_label()); | 1678 __ Bind(entry_label()); |
1679 const Code& stub = Code::ZoneHandle(compiler->zone(), | 1679 const Code& stub = Code::ZoneHandle(compiler->zone(), |
1680 StubCode::GetAllocationStubForClass(cls_)); | 1680 StubCode::GetAllocationStubForClass(cls_)); |
1681 const StubEntry stub_entry(stub); | 1681 const StubEntry stub_entry(stub); |
1682 | 1682 |
1683 LocationSummary* locs = instruction_->locs(); | 1683 LocationSummary* locs = instruction_->locs(); |
1684 | 1684 |
1685 locs->live_registers()->Remove(Location::RegisterLocation(result_)); | 1685 locs->live_registers()->Remove(Location::RegisterLocation(result_)); |
1686 | 1686 |
1687 compiler->SaveLiveRegisters(locs); | 1687 compiler->SaveLiveRegisters(locs); |
1688 compiler->GenerateCall(Scanner::kNoSourcePos, // No token position. | 1688 compiler->GenerateCall(Token::kNoSourcePos, // No token position. |
1689 stub_entry, | 1689 stub_entry, |
1690 RawPcDescriptors::kOther, | 1690 RawPcDescriptors::kOther, |
1691 locs); | 1691 locs); |
1692 compiler->AddStubCallTarget(stub); | 1692 compiler->AddStubCallTarget(stub); |
1693 __ MoveRegister(result_, RAX); | 1693 __ MoveRegister(result_, RAX); |
1694 compiler->RestoreLiveRegisters(locs); | 1694 compiler->RestoreLiveRegisters(locs); |
1695 __ jmp(exit_label()); | 1695 __ jmp(exit_label()); |
1696 } | 1696 } |
1697 | 1697 |
1698 static void Allocate(FlowGraphCompiler* compiler, | 1698 static void Allocate(FlowGraphCompiler* compiler, |
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6185 | 6185 |
6186 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 6186 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
6187 if (!compiler->is_optimizing()) { | 6187 if (!compiler->is_optimizing()) { |
6188 if (FLAG_emit_edge_counters) { | 6188 if (FLAG_emit_edge_counters) { |
6189 compiler->EmitEdgeCounter(block()->preorder_number()); | 6189 compiler->EmitEdgeCounter(block()->preorder_number()); |
6190 } | 6190 } |
6191 // Add a deoptimization descriptor for deoptimizing instructions that | 6191 // Add a deoptimization descriptor for deoptimizing instructions that |
6192 // may be inserted before this instruction. | 6192 // may be inserted before this instruction. |
6193 compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt, | 6193 compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt, |
6194 GetDeoptId(), | 6194 GetDeoptId(), |
6195 Scanner::kNoSourcePos); | 6195 Token::kNoSourcePos); |
6196 } | 6196 } |
6197 if (HasParallelMove()) { | 6197 if (HasParallelMove()) { |
6198 compiler->parallel_move_resolver()->EmitNativeCode(parallel_move()); | 6198 compiler->parallel_move_resolver()->EmitNativeCode(parallel_move()); |
6199 } | 6199 } |
6200 | 6200 |
6201 // We can fall through if the successor is the next block in the list. | 6201 // We can fall through if the successor is the next block in the list. |
6202 // Otherwise, we need a jump. | 6202 // Otherwise, we need a jump. |
6203 if (!compiler->CanFallThroughTo(successor())) { | 6203 if (!compiler->CanFallThroughTo(successor())) { |
6204 __ jmp(compiler->GetJumpLabel(successor())); | 6204 __ jmp(compiler->GetJumpLabel(successor())); |
6205 } | 6205 } |
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6437 locs->set_out(0, Location::RegisterLocation(RAX)); | 6437 locs->set_out(0, Location::RegisterLocation(RAX)); |
6438 return locs; | 6438 return locs; |
6439 } | 6439 } |
6440 | 6440 |
6441 | 6441 |
6442 void GrowRegExpStackInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 6442 void GrowRegExpStackInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
6443 const Register typed_data = locs()->in(0).reg(); | 6443 const Register typed_data = locs()->in(0).reg(); |
6444 const Register result = locs()->out(0).reg(); | 6444 const Register result = locs()->out(0).reg(); |
6445 __ PushObject(Object::null_object()); | 6445 __ PushObject(Object::null_object()); |
6446 __ pushq(typed_data); | 6446 __ pushq(typed_data); |
6447 compiler->GenerateRuntimeCall(Scanner::kNoSourcePos, // No token position. | 6447 compiler->GenerateRuntimeCall(Token::kNoSourcePos, // No token position. |
6448 deopt_id(), | 6448 deopt_id(), |
6449 kGrowRegExpStackRuntimeEntry, | 6449 kGrowRegExpStackRuntimeEntry, |
6450 1, | 6450 1, |
6451 locs()); | 6451 locs()); |
6452 __ Drop(1); | 6452 __ Drop(1); |
6453 __ popq(result); | 6453 __ popq(result); |
6454 } | 6454 } |
6455 | 6455 |
6456 | 6456 |
6457 } // namespace dart | 6457 } // namespace dart |
6458 | 6458 |
6459 #undef __ | 6459 #undef __ |
6460 | 6460 |
6461 #endif // defined TARGET_ARCH_X64 | 6461 #endif // defined TARGET_ARCH_X64 |
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