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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/ic/call-optimization.h" | 9 #include "src/ic/call-optimization.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
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389 __ vstr(d0, FieldMemOperand(storage_reg, HeapNumber::kValueOffset)); | 389 __ vstr(d0, FieldMemOperand(storage_reg, HeapNumber::kValueOffset)); |
390 } | 390 } |
391 | 391 |
392 // Stub never generated for objects that require access checks. | 392 // Stub never generated for objects that require access checks. |
393 DCHECK(!transition->is_access_check_needed()); | 393 DCHECK(!transition->is_access_check_needed()); |
394 | 394 |
395 // Perform map transition for the receiver if necessary. | 395 // Perform map transition for the receiver if necessary. |
396 if (details.type() == FIELD && | 396 if (details.type() == FIELD && |
397 Map::cast(transition->GetBackPointer())->unused_property_fields() == 0) { | 397 Map::cast(transition->GetBackPointer())->unused_property_fields() == 0) { |
398 // The properties must be extended before we can store the value. | 398 // The properties must be extended before we can store the value. |
399 // We jump to a runtime call that extends the properties array. | 399 __ mov(ExtendStorageDescriptor::NameRegister(), Operand(name)); |
400 __ push(receiver_reg); | 400 __ mov(ExtendStorageDescriptor::MapRegister(), Operand(transition)); |
401 __ mov(r2, Operand(transition)); | 401 |
402 __ Push(r2, r0); | 402 ExtendStorageStub stub(isolate(), |
403 __ TailCallExternalReference( | 403 FieldIndex::ForDescriptor(*transition, descriptor), |
404 ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage), | 404 representation); |
405 isolate()), | 405 GenerateTailCall(masm(), stub.GetCode()); |
406 3, 1); | |
407 return; | 406 return; |
408 } | 407 } |
409 | 408 |
410 // Update the map of the object. | 409 // Update the map of the object. |
411 __ mov(scratch1, Operand(transition)); | 410 __ mov(scratch1, Operand(transition)); |
412 __ str(scratch1, FieldMemOperand(receiver_reg, HeapObject::kMapOffset)); | 411 __ str(scratch1, FieldMemOperand(receiver_reg, HeapObject::kMapOffset)); |
413 | 412 |
414 // Update the write barrier for the map field. | 413 // Update the write barrier for the map field. |
415 __ RecordWriteField(receiver_reg, HeapObject::kMapOffset, scratch1, scratch2, | 414 __ RecordWriteField(receiver_reg, HeapObject::kMapOffset, scratch1, scratch2, |
416 kLRHasNotBeenSaved, kDontSaveFPRegs, OMIT_REMEMBERED_SET, | 415 kLRHasNotBeenSaved, kDontSaveFPRegs, OMIT_REMEMBERED_SET, |
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831 // Return the generated code. | 830 // Return the generated code. |
832 return GetCode(kind(), Code::NORMAL, name); | 831 return GetCode(kind(), Code::NORMAL, name); |
833 } | 832 } |
834 | 833 |
835 | 834 |
836 #undef __ | 835 #undef __ |
837 } | 836 } |
838 } // namespace v8::internal | 837 } // namespace v8::internal |
839 | 838 |
840 #endif // V8_TARGET_ARCH_ARM | 839 #endif // V8_TARGET_ARCH_ARM |
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