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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_IA32. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. |
6 #if defined(TARGET_ARCH_IA32) | 6 #if defined(TARGET_ARCH_IA32) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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2448 __ movl(EDX, Immediate(num_context_variables())); | 2448 __ movl(EDX, Immediate(num_context_variables())); |
2449 StubCode* stub_code = compiler->isolate()->stub_code(); | 2449 StubCode* stub_code = compiler->isolate()->stub_code(); |
2450 const ExternalLabel label(stub_code->AllocateContextEntryPoint()); | 2450 const ExternalLabel label(stub_code->AllocateContextEntryPoint()); |
2451 compiler->GenerateCall(token_pos(), | 2451 compiler->GenerateCall(token_pos(), |
2452 &label, | 2452 &label, |
2453 RawPcDescriptors::kOther, | 2453 RawPcDescriptors::kOther, |
2454 locs()); | 2454 locs()); |
2455 } | 2455 } |
2456 | 2456 |
2457 | 2457 |
| 2458 LocationSummary* InitStaticFieldInstr::MakeLocationSummary(Isolate* isolate, |
| 2459 bool opt) const { |
| 2460 const intptr_t kNumInputs = 1; |
| 2461 const intptr_t kNumTemps = 1; |
| 2462 LocationSummary* locs = new(isolate) LocationSummary( |
| 2463 isolate, kNumInputs, kNumTemps, LocationSummary::kCall); |
| 2464 locs->set_in(0, Location::RegisterLocation(EAX)); |
| 2465 locs->set_temp(0, Location::RegisterLocation(ECX)); |
| 2466 return locs; |
| 2467 } |
| 2468 |
| 2469 |
| 2470 void InitStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 2471 Register field = locs()->in(0).reg(); |
| 2472 Register temp = locs()->temp(0).reg(); |
| 2473 |
| 2474 Label call_runtime, no_call; |
| 2475 |
| 2476 __ movl(temp, FieldAddress(field, Field::value_offset())); |
| 2477 __ CompareObject(temp, Object::sentinel()); |
| 2478 __ j(EQUAL, &call_runtime); |
| 2479 |
| 2480 __ CompareObject(temp, Object::transition_sentinel()); |
| 2481 __ j(NOT_EQUAL, &no_call); |
| 2482 |
| 2483 __ Bind(&call_runtime); |
| 2484 __ PushObject(Object::null_object()); // Make room for (unused) result. |
| 2485 __ pushl(field); |
| 2486 compiler->GenerateRuntimeCall(token_pos(), |
| 2487 deopt_id(), |
| 2488 kInitStaticFieldRuntimeEntry, |
| 2489 1, |
| 2490 locs()); |
| 2491 __ Drop(2); // Remove argument and unused result. |
| 2492 __ Bind(&no_call); |
| 2493 } |
| 2494 |
| 2495 |
2458 LocationSummary* CloneContextInstr::MakeLocationSummary(Isolate* isolate, | 2496 LocationSummary* CloneContextInstr::MakeLocationSummary(Isolate* isolate, |
2459 bool opt) const { | 2497 bool opt) const { |
2460 const intptr_t kNumInputs = 1; | 2498 const intptr_t kNumInputs = 1; |
2461 const intptr_t kNumTemps = 0; | 2499 const intptr_t kNumTemps = 0; |
2462 LocationSummary* locs = new(isolate) LocationSummary( | 2500 LocationSummary* locs = new(isolate) LocationSummary( |
2463 isolate, kNumInputs, kNumTemps, LocationSummary::kCall); | 2501 isolate, kNumInputs, kNumTemps, LocationSummary::kCall); |
2464 locs->set_in(0, Location::RegisterLocation(EAX)); | 2502 locs->set_in(0, Location::RegisterLocation(EAX)); |
2465 locs->set_out(0, Location::RegisterLocation(EAX)); | 2503 locs->set_out(0, Location::RegisterLocation(EAX)); |
2466 return locs; | 2504 return locs; |
2467 } | 2505 } |
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2800 if (op_kind() == Token::kSHL) { | 2838 if (op_kind() == Token::kSHL) { |
2801 EmitSmiShiftLeft(compiler, this); | 2839 EmitSmiShiftLeft(compiler, this); |
2802 return; | 2840 return; |
2803 } | 2841 } |
2804 | 2842 |
2805 Register left = locs()->in(0).reg(); | 2843 Register left = locs()->in(0).reg(); |
2806 Register result = locs()->out(0).reg(); | 2844 Register result = locs()->out(0).reg(); |
2807 ASSERT(left == result); | 2845 ASSERT(left == result); |
2808 Label* deopt = NULL; | 2846 Label* deopt = NULL; |
2809 if (CanDeoptimize()) { | 2847 if (CanDeoptimize()) { |
2810 deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptBinarySmiOp); | 2848 deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptBinarySmiOp); |
2811 } | 2849 } |
2812 | 2850 |
2813 if (locs()->in(1).IsConstant()) { | 2851 if (locs()->in(1).IsConstant()) { |
2814 const Object& constant = locs()->in(1).constant(); | 2852 const Object& constant = locs()->in(1).constant(); |
2815 ASSERT(constant.IsSmi()); | 2853 ASSERT(constant.IsSmi()); |
2816 const int32_t imm = reinterpret_cast<int32_t>(constant.raw()); | 2854 const int32_t imm = reinterpret_cast<int32_t>(constant.raw()); |
2817 switch (op_kind()) { | 2855 switch (op_kind()) { |
2818 case Token::kADD: | 2856 case Token::kADD: |
2819 if (imm != 0) { | 2857 if (imm != 0) { |
2820 // Checking overflow without emitting an instruction would be wrong. | 2858 // Checking overflow without emitting an instruction would be wrong. |
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6528 __ movl(EDX, Immediate(kInvalidObjectPointer)); | 6566 __ movl(EDX, Immediate(kInvalidObjectPointer)); |
6529 __ movl(EDX, Immediate(kInvalidObjectPointer)); | 6567 __ movl(EDX, Immediate(kInvalidObjectPointer)); |
6530 #endif | 6568 #endif |
6531 } | 6569 } |
6532 | 6570 |
6533 } // namespace dart | 6571 } // namespace dart |
6534 | 6572 |
6535 #undef __ | 6573 #undef __ |
6536 | 6574 |
6537 #endif // defined TARGET_ARCH_IA32 | 6575 #endif // defined TARGET_ARCH_IA32 |
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