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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 "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM | 7 #if V8_TARGET_ARCH_ARM |
8 | 8 |
9 #include "bootstrapper.h" | 9 #include "bootstrapper.h" |
10 #include "code-stubs.h" | 10 #include "code-stubs.h" |
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4438 void StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime( | 4438 void StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime( |
4439 Isolate* isolate) { | 4439 Isolate* isolate) { |
4440 StoreBufferOverflowStub stub1(isolate, kDontSaveFPRegs); | 4440 StoreBufferOverflowStub stub1(isolate, kDontSaveFPRegs); |
4441 stub1.GetCode(); | 4441 stub1.GetCode(); |
4442 // Hydrogen code stubs need stub2 at snapshot time. | 4442 // Hydrogen code stubs need stub2 at snapshot time. |
4443 StoreBufferOverflowStub stub2(isolate, kSaveFPRegs); | 4443 StoreBufferOverflowStub stub2(isolate, kSaveFPRegs); |
4444 stub2.GetCode(); | 4444 stub2.GetCode(); |
4445 } | 4445 } |
4446 | 4446 |
4447 | 4447 |
4448 bool CodeStub::CanUseFPRegisters() { | |
4449 return true; // VFP2 is a base requirement for V8 | |
4450 } | |
4451 | |
4452 | |
4453 // Takes the input in 3 registers: address_ value_ and object_. A pointer to | 4448 // Takes the input in 3 registers: address_ value_ and object_. A pointer to |
4454 // the value has just been written into the object, now this stub makes sure | 4449 // the value has just been written into the object, now this stub makes sure |
4455 // we keep the GC informed. The word in the object where the value has been | 4450 // we keep the GC informed. The word in the object where the value has been |
4456 // written is in the address register. | 4451 // written is in the address register. |
4457 void RecordWriteStub::Generate(MacroAssembler* masm) { | 4452 void RecordWriteStub::Generate(MacroAssembler* masm) { |
4458 Label skip_to_incremental_noncompacting; | 4453 Label skip_to_incremental_noncompacting; |
4459 Label skip_to_incremental_compacting; | 4454 Label skip_to_incremental_compacting; |
4460 | 4455 |
4461 // The first two instructions are generated with labels so as to get the | 4456 // The first two instructions are generated with labels so as to get the |
4462 // offset fixed up correctly by the bind(Label*) call. We patch it back and | 4457 // offset fixed up correctly by the bind(Label*) call. We patch it back and |
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5224 MemOperand(fp, 6 * kPointerSize), | 5219 MemOperand(fp, 6 * kPointerSize), |
5225 NULL); | 5220 NULL); |
5226 } | 5221 } |
5227 | 5222 |
5228 | 5223 |
5229 #undef __ | 5224 #undef __ |
5230 | 5225 |
5231 } } // namespace v8::internal | 5226 } } // namespace v8::internal |
5232 | 5227 |
5233 #endif // V8_TARGET_ARCH_ARM | 5228 #endif // V8_TARGET_ARCH_ARM |
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