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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 #if V8_TARGET_ARCH_ARM | 5 #if V8_TARGET_ARCH_ARM |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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2500 __ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); | 2500 __ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
2501 __ ldr(r4, FieldMemOperand(r4, SharedFunctionInfo::kConstructStubOffset)); | 2501 __ ldr(r4, FieldMemOperand(r4, SharedFunctionInfo::kConstructStubOffset)); |
2502 __ add(pc, r4, Operand(Code::kHeaderSize - kHeapObjectTag)); | 2502 __ add(pc, r4, Operand(Code::kHeaderSize - kHeapObjectTag)); |
2503 | 2503 |
2504 __ bind(&non_function); | 2504 __ bind(&non_function); |
2505 __ mov(r3, r1); | 2505 __ mov(r3, r1); |
2506 __ Jump(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); | 2506 __ Jump(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
2507 } | 2507 } |
2508 | 2508 |
2509 | 2509 |
2510 static void EmitLoadTypeFeedbackVector(MacroAssembler* masm, Register vector) { | |
2511 __ ldr(vector, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | |
2512 __ ldr(vector, FieldMemOperand(vector, | |
2513 JSFunction::kSharedFunctionInfoOffset)); | |
2514 __ ldr(vector, FieldMemOperand(vector, | |
2515 SharedFunctionInfo::kFeedbackVectorOffset)); | |
2516 } | |
2517 | |
2518 | |
2519 void CallICStub::HandleArrayCase(MacroAssembler* masm, Label* miss) { | 2510 void CallICStub::HandleArrayCase(MacroAssembler* masm, Label* miss) { |
2520 // r1 - function | 2511 // r1 - function |
2521 // r3 - slot id | 2512 // r3 - slot id |
2522 // r2 - vector | 2513 // r2 - vector |
2523 // r4 - allocation site (loaded from vector[slot]) | 2514 // r4 - allocation site (loaded from vector[slot]) |
2524 __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, r5); | 2515 __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, r5); |
2525 __ cmp(r1, r5); | 2516 __ cmp(r1, r5); |
2526 __ b(ne, miss); | 2517 __ b(ne, miss); |
2527 | 2518 |
2528 __ mov(r0, Operand(arg_count())); | 2519 __ mov(r0, Operand(arg_count())); |
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4234 __ add(r1, r1, Operand(1)); | 4225 __ add(r1, r1, Operand(1)); |
4235 } | 4226 } |
4236 masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE); | 4227 masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE); |
4237 __ mov(r1, Operand(r1, LSL, kPointerSizeLog2)); | 4228 __ mov(r1, Operand(r1, LSL, kPointerSizeLog2)); |
4238 __ add(sp, sp, r1); | 4229 __ add(sp, sp, r1); |
4239 __ Ret(); | 4230 __ Ret(); |
4240 } | 4231 } |
4241 | 4232 |
4242 | 4233 |
4243 void LoadICTrampolineStub::Generate(MacroAssembler* masm) { | 4234 void LoadICTrampolineStub::Generate(MacroAssembler* masm) { |
4244 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); | 4235 __ EmitLoadTypeFeedbackVector(LoadWithVectorDescriptor::VectorRegister()); |
4245 LoadICStub stub(isolate(), state()); | 4236 LoadICStub stub(isolate(), state()); |
4246 stub.GenerateForTrampoline(masm); | 4237 stub.GenerateForTrampoline(masm); |
4247 } | 4238 } |
4248 | 4239 |
4249 | 4240 |
4250 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) { | 4241 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) { |
4251 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); | 4242 __ EmitLoadTypeFeedbackVector(LoadWithVectorDescriptor::VectorRegister()); |
4252 KeyedLoadICStub stub(isolate(), state()); | 4243 KeyedLoadICStub stub(isolate(), state()); |
4253 stub.GenerateForTrampoline(masm); | 4244 stub.GenerateForTrampoline(masm); |
4254 } | 4245 } |
4255 | 4246 |
4256 | 4247 |
4257 void CallICTrampolineStub::Generate(MacroAssembler* masm) { | 4248 void CallICTrampolineStub::Generate(MacroAssembler* masm) { |
4258 EmitLoadTypeFeedbackVector(masm, r2); | 4249 __ EmitLoadTypeFeedbackVector(r2); |
4259 CallICStub stub(isolate(), state()); | 4250 CallICStub stub(isolate(), state()); |
4260 __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET); | 4251 __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET); |
4261 } | 4252 } |
4262 | 4253 |
4263 | 4254 |
4264 void LoadICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); } | 4255 void LoadICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); } |
4265 | 4256 |
4266 | 4257 |
4267 void LoadICStub::GenerateForTrampoline(MacroAssembler* masm) { | 4258 void LoadICStub::GenerateForTrampoline(MacroAssembler* masm) { |
4268 GenerateImpl(masm, true); | 4259 GenerateImpl(masm, true); |
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4465 __ bind(&miss); | 4456 __ bind(&miss); |
4466 KeyedLoadIC::GenerateMiss(masm); | 4457 KeyedLoadIC::GenerateMiss(masm); |
4467 | 4458 |
4468 __ bind(&load_smi_map); | 4459 __ bind(&load_smi_map); |
4469 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); | 4460 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); |
4470 __ jmp(&compare_map); | 4461 __ jmp(&compare_map); |
4471 } | 4462 } |
4472 | 4463 |
4473 | 4464 |
4474 void VectorStoreICTrampolineStub::Generate(MacroAssembler* masm) { | 4465 void VectorStoreICTrampolineStub::Generate(MacroAssembler* masm) { |
4475 EmitLoadTypeFeedbackVector(masm, VectorStoreICDescriptor::VectorRegister()); | 4466 __ EmitLoadTypeFeedbackVector(VectorStoreICDescriptor::VectorRegister()); |
4476 VectorStoreICStub stub(isolate(), state()); | 4467 VectorStoreICStub stub(isolate(), state()); |
4477 stub.GenerateForTrampoline(masm); | 4468 stub.GenerateForTrampoline(masm); |
4478 } | 4469 } |
4479 | 4470 |
4480 | 4471 |
4481 void VectorKeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) { | 4472 void VectorKeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) { |
4482 EmitLoadTypeFeedbackVector(masm, VectorStoreICDescriptor::VectorRegister()); | 4473 __ EmitLoadTypeFeedbackVector(VectorStoreICDescriptor::VectorRegister()); |
4483 VectorKeyedStoreICStub stub(isolate(), state()); | 4474 VectorKeyedStoreICStub stub(isolate(), state()); |
4484 stub.GenerateForTrampoline(masm); | 4475 stub.GenerateForTrampoline(masm); |
4485 } | 4476 } |
4486 | 4477 |
4487 | 4478 |
4488 void VectorStoreICStub::Generate(MacroAssembler* masm) { | 4479 void VectorStoreICStub::Generate(MacroAssembler* masm) { |
4489 GenerateImpl(masm, false); | 4480 GenerateImpl(masm, false); |
4490 } | 4481 } |
4491 | 4482 |
4492 | 4483 |
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5542 MemOperand(fp, 6 * kPointerSize), NULL); | 5533 MemOperand(fp, 6 * kPointerSize), NULL); |
5543 } | 5534 } |
5544 | 5535 |
5545 | 5536 |
5546 #undef __ | 5537 #undef __ |
5547 | 5538 |
5548 } // namespace internal | 5539 } // namespace internal |
5549 } // namespace v8 | 5540 } // namespace v8 |
5550 | 5541 |
5551 #endif // V8_TARGET_ARCH_ARM | 5542 #endif // V8_TARGET_ARCH_ARM |
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