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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_PPC | 7 #if V8_TARGET_ARCH_PPC |
| 8 | 8 |
| 9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
| 10 #include "src/ic/ic.h" | 10 #include "src/ic/ic.h" |
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| 292 } | 292 } |
| 293 | 293 |
| 294 | 294 |
| 295 // A register that isn't one of the parameters to the load ic. | 295 // A register that isn't one of the parameters to the load ic. |
| 296 static const Register LoadIC_TempRegister() { return r6; } | 296 static const Register LoadIC_TempRegister() { return r6; } |
| 297 | 297 |
| 298 | 298 |
| 299 static void LoadIC_PushArgs(MacroAssembler* masm) { | 299 static void LoadIC_PushArgs(MacroAssembler* masm) { |
| 300 Register receiver = LoadDescriptor::ReceiverRegister(); | 300 Register receiver = LoadDescriptor::ReceiverRegister(); |
| 301 Register name = LoadDescriptor::NameRegister(); | 301 Register name = LoadDescriptor::NameRegister(); |
| 302 Register slot = VectorLoadICDescriptor::SlotRegister(); | 302 Register slot = LoadDescriptor::SlotRegister(); |
| 303 Register vector = VectorLoadICDescriptor::VectorRegister(); | 303 Register vector = LoadWithVectorDescriptor::VectorRegister(); |
| 304 | 304 |
| 305 __ Push(receiver, name, slot, vector); | 305 __ Push(receiver, name, slot, vector); |
| 306 } | 306 } |
| 307 | 307 |
| 308 | 308 |
| 309 void LoadIC::GenerateMiss(MacroAssembler* masm) { | 309 void LoadIC::GenerateMiss(MacroAssembler* masm) { |
| 310 // The return address is in lr. | 310 // The return address is in lr. |
| 311 Isolate* isolate = masm->isolate(); | 311 Isolate* isolate = masm->isolate(); |
| 312 | 312 |
| 313 DCHECK(!AreAliased(r7, r8, VectorLoadICDescriptor::SlotRegister(), | 313 DCHECK(!AreAliased(r7, r8, LoadWithVectorDescriptor::SlotRegister(), |
| 314 VectorLoadICDescriptor::VectorRegister())); | 314 LoadWithVectorDescriptor::VectorRegister())); |
| 315 __ IncrementCounter(isolate->counters()->load_miss(), 1, r7, r8); | 315 __ IncrementCounter(isolate->counters()->load_miss(), 1, r7, r8); |
| 316 | 316 |
| 317 LoadIC_PushArgs(masm); | 317 LoadIC_PushArgs(masm); |
| 318 | 318 |
| 319 // Perform tail call to the entry. | 319 // Perform tail call to the entry. |
| 320 ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss), isolate); | 320 ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss), isolate); |
| 321 int arg_count = 4; | 321 int arg_count = 4; |
| 322 __ TailCallExternalReference(ref, arg_count, 1); | 322 __ TailCallExternalReference(ref, arg_count, 1); |
| 323 } | 323 } |
| 324 | 324 |
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| 441 __ Ret(); | 441 __ Ret(); |
| 442 __ bind(&slow); | 442 __ bind(&slow); |
| 443 GenerateMiss(masm); | 443 GenerateMiss(masm); |
| 444 } | 444 } |
| 445 | 445 |
| 446 | 446 |
| 447 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) { | 447 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) { |
| 448 // The return address is in lr. | 448 // The return address is in lr. |
| 449 Isolate* isolate = masm->isolate(); | 449 Isolate* isolate = masm->isolate(); |
| 450 | 450 |
| 451 DCHECK(!AreAliased(r7, r8, VectorLoadICDescriptor::SlotRegister(), | 451 DCHECK(!AreAliased(r7, r8, LoadWithVectorDescriptor::SlotRegister(), |
| 452 VectorLoadICDescriptor::VectorRegister())); | 452 LoadWithVectorDescriptor::VectorRegister())); |
| 453 __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, r7, r8); | 453 __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, r7, r8); |
| 454 | 454 |
| 455 LoadIC_PushArgs(masm); | 455 LoadIC_PushArgs(masm); |
| 456 | 456 |
| 457 // Perform tail call to the entry. | 457 // Perform tail call to the entry. |
| 458 ExternalReference ref = | 458 ExternalReference ref = |
| 459 ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate); | 459 ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate); |
| 460 int arg_count = 4; | 460 int arg_count = 4; |
| 461 __ TailCallExternalReference(ref, arg_count, 1); | 461 __ TailCallExternalReference(ref, arg_count, 1); |
| 462 } | 462 } |
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| 529 // probe the dictionary. | 529 // probe the dictionary. |
| 530 __ LoadP(r6, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); | 530 __ LoadP(r6, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); |
| 531 __ LoadP(r7, FieldMemOperand(r6, HeapObject::kMapOffset)); | 531 __ LoadP(r7, FieldMemOperand(r6, HeapObject::kMapOffset)); |
| 532 __ LoadRoot(ip, Heap::kHashTableMapRootIndex); | 532 __ LoadRoot(ip, Heap::kHashTableMapRootIndex); |
| 533 __ cmp(r7, ip); | 533 __ cmp(r7, ip); |
| 534 __ beq(&probe_dictionary); | 534 __ beq(&probe_dictionary); |
| 535 | 535 |
| 536 | 536 |
| 537 // The handlers in the stub cache expect a vector and slot. Since we won't | 537 // The handlers in the stub cache expect a vector and slot. Since we won't |
| 538 // change the IC from any downstream misses, a dummy vector can be used. | 538 // change the IC from any downstream misses, a dummy vector can be used. |
| 539 Register vector = VectorLoadICDescriptor::VectorRegister(); | 539 Register vector = LoadWithVectorDescriptor::VectorRegister(); |
| 540 Register slot = VectorLoadICDescriptor::SlotRegister(); | 540 Register slot = LoadWithVectorDescriptor::SlotRegister(); |
| 541 DCHECK(!AreAliased(vector, slot, r7, r8, r9, r10)); | 541 DCHECK(!AreAliased(vector, slot, r7, r8, r9, r10)); |
| 542 Handle<TypeFeedbackVector> dummy_vector = Handle<TypeFeedbackVector>::cast( | 542 Handle<TypeFeedbackVector> dummy_vector = Handle<TypeFeedbackVector>::cast( |
| 543 masm->isolate()->factory()->keyed_load_dummy_vector()); | 543 masm->isolate()->factory()->keyed_load_dummy_vector()); |
| 544 int int_slot = dummy_vector->GetIndex(FeedbackVectorICSlot(0)); | 544 int int_slot = dummy_vector->GetIndex(FeedbackVectorICSlot(0)); |
| 545 __ LoadRoot(vector, Heap::kKeyedLoadDummyVectorRootIndex); | 545 __ LoadRoot(vector, Heap::kKeyedLoadDummyVectorRootIndex); |
| 546 __ LoadSmiLiteral(slot, Smi::FromInt(int_slot)); | 546 __ LoadSmiLiteral(slot, Smi::FromInt(int_slot)); |
| 547 | 547 |
| 548 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 548 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 549 Code::ComputeHandlerFlags(Code::LOAD_IC)); | 549 Code::ComputeHandlerFlags(Code::LOAD_IC)); |
| 550 masm->isolate()->stub_cache()->GenerateProbe( | 550 masm->isolate()->stub_cache()->GenerateProbe( |
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| 999 patcher.EmitCondition(ne); | 999 patcher.EmitCondition(ne); |
| 1000 } else { | 1000 } else { |
| 1001 DCHECK(Assembler::GetCondition(branch_instr) == ne); | 1001 DCHECK(Assembler::GetCondition(branch_instr) == ne); |
| 1002 patcher.EmitCondition(eq); | 1002 patcher.EmitCondition(eq); |
| 1003 } | 1003 } |
| 1004 } | 1004 } |
| 1005 } | 1005 } |
| 1006 } // namespace v8::internal | 1006 } // namespace v8::internal |
| 1007 | 1007 |
| 1008 #endif // V8_TARGET_ARCH_PPC | 1008 #endif // V8_TARGET_ARCH_PPC |
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