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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM | 7 #if V8_TARGET_ARCH_ARM |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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1431 __ LoadRoot(r0, Heap::kTrueValueRootIndex, eq); | 1431 __ LoadRoot(r0, Heap::kTrueValueRootIndex, eq); |
1432 __ LoadRoot(r0, Heap::kFalseValueRootIndex, ne); | 1432 __ LoadRoot(r0, Heap::kFalseValueRootIndex, ne); |
1433 __ Ret(HasArgsInRegisters() ? 0 : 2); | 1433 __ Ret(HasArgsInRegisters() ? 0 : 2); |
1434 } | 1434 } |
1435 } | 1435 } |
1436 | 1436 |
1437 | 1437 |
1438 void FunctionPrototypeStub::Generate(MacroAssembler* masm) { | 1438 void FunctionPrototypeStub::Generate(MacroAssembler* masm) { |
1439 Label miss; | 1439 Label miss; |
1440 Register receiver = LoadDescriptor::ReceiverRegister(); | 1440 Register receiver = LoadDescriptor::ReceiverRegister(); |
| 1441 // Ensure that the vector and slot registers won't be clobbered before |
| 1442 // calling the miss handler. |
| 1443 DCHECK(!FLAG_vector_ics || |
| 1444 !AreAliased(r4, r5, VectorLoadICDescriptor::VectorRegister(), |
| 1445 VectorLoadICDescriptor::SlotRegister())); |
1441 | 1446 |
1442 NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, r3, | 1447 NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, r4, |
1443 r4, &miss); | 1448 r5, &miss); |
1444 __ bind(&miss); | 1449 __ bind(&miss); |
1445 PropertyAccessCompiler::TailCallBuiltin( | 1450 PropertyAccessCompiler::TailCallBuiltin( |
1446 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); | 1451 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); |
1447 } | 1452 } |
1448 | 1453 |
1449 | 1454 |
1450 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { | 1455 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { |
1451 // Return address is in lr. | 1456 // Return address is in lr. |
1452 Label miss; | 1457 Label miss; |
1453 | 1458 |
1454 Register receiver = LoadDescriptor::ReceiverRegister(); | 1459 Register receiver = LoadDescriptor::ReceiverRegister(); |
1455 Register index = LoadDescriptor::NameRegister(); | 1460 Register index = LoadDescriptor::NameRegister(); |
1456 Register scratch = r3; | 1461 Register scratch = r5; |
1457 Register result = r0; | 1462 Register result = r0; |
1458 DCHECK(!scratch.is(receiver) && !scratch.is(index)); | 1463 DCHECK(!scratch.is(receiver) && !scratch.is(index)); |
| 1464 DCHECK(!FLAG_vector_ics || |
| 1465 (!scratch.is(VectorLoadICDescriptor::VectorRegister()) && |
| 1466 result.is(VectorLoadICDescriptor::SlotRegister()))); |
1459 | 1467 |
| 1468 // StringCharAtGenerator doesn't use the result register until it's passed |
| 1469 // the different miss possibilities. If it did, we would have a conflict |
| 1470 // when FLAG_vector_ics is true. |
1460 StringCharAtGenerator char_at_generator(receiver, index, scratch, result, | 1471 StringCharAtGenerator char_at_generator(receiver, index, scratch, result, |
1461 &miss, // When not a string. | 1472 &miss, // When not a string. |
1462 &miss, // When not a number. | 1473 &miss, // When not a number. |
1463 &miss, // When index out of range. | 1474 &miss, // When index out of range. |
1464 STRING_INDEX_IS_ARRAY_INDEX, | 1475 STRING_INDEX_IS_ARRAY_INDEX, |
1465 RECEIVER_IS_STRING); | 1476 RECEIVER_IS_STRING); |
1466 char_at_generator.GenerateFast(masm); | 1477 char_at_generator.GenerateFast(masm); |
1467 __ Ret(); | 1478 __ Ret(); |
1468 | 1479 |
1469 StubRuntimeCallHelper call_helper; | 1480 StubRuntimeCallHelper call_helper; |
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4718 MemOperand(fp, 6 * kPointerSize), | 4729 MemOperand(fp, 6 * kPointerSize), |
4719 NULL); | 4730 NULL); |
4720 } | 4731 } |
4721 | 4732 |
4722 | 4733 |
4723 #undef __ | 4734 #undef __ |
4724 | 4735 |
4725 } } // namespace v8::internal | 4736 } } // namespace v8::internal |
4726 | 4737 |
4727 #endif // V8_TARGET_ARCH_ARM | 4738 #endif // V8_TARGET_ARCH_ARM |
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