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Issue 767743002: Hydrogen code stubs for vector-based ICs. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebase. Created 6 years ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "src/bootstrapper.h" 9 #include "src/bootstrapper.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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517 __ bind(&done); 517 __ bind(&done);
518 __ IncrementCounter(counters->math_pow(), 1); 518 __ IncrementCounter(counters->math_pow(), 1);
519 __ ret(0); 519 __ ret(0);
520 } 520 }
521 } 521 }
522 522
523 523
524 void FunctionPrototypeStub::Generate(MacroAssembler* masm) { 524 void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
525 Label miss; 525 Label miss;
526 Register receiver = LoadDescriptor::ReceiverRegister(); 526 Register receiver = LoadDescriptor::ReceiverRegister();
527 // Ensure that the vector and slot registers won't be clobbered before
528 // calling the miss handler.
529 DCHECK(!FLAG_vector_ics ||
530 !AreAliased(r8, r9, VectorLoadICDescriptor::VectorRegister(),
531 VectorLoadICDescriptor::SlotRegister()));
527 532
528 NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, r8, 533 NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, r8,
529 r9, &miss); 534 r9, &miss);
530 __ bind(&miss); 535 __ bind(&miss);
531 PropertyAccessCompiler::TailCallBuiltin( 536 PropertyAccessCompiler::TailCallBuiltin(
532 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); 537 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC));
533 } 538 }
534 539
535 540
536 void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) { 541 void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
(...skipping 329 matching lines...) Expand 10 before | Expand all | Expand 10 after
866 masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC)); 871 masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC));
867 } 872 }
868 873
869 874
870 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { 875 void LoadIndexedStringStub::Generate(MacroAssembler* masm) {
871 // Return address is on the stack. 876 // Return address is on the stack.
872 Label miss; 877 Label miss;
873 878
874 Register receiver = LoadDescriptor::ReceiverRegister(); 879 Register receiver = LoadDescriptor::ReceiverRegister();
875 Register index = LoadDescriptor::NameRegister(); 880 Register index = LoadDescriptor::NameRegister();
876 Register scratch = rbx; 881 Register scratch = rdi;
877 Register result = rax; 882 Register result = rax;
878 DCHECK(!scratch.is(receiver) && !scratch.is(index)); 883 DCHECK(!scratch.is(receiver) && !scratch.is(index));
884 DCHECK(!FLAG_vector_ics ||
885 (!scratch.is(VectorLoadICDescriptor::VectorRegister()) &&
886 result.is(VectorLoadICDescriptor::SlotRegister())));
879 887
888 // StringCharAtGenerator doesn't use the result register until it's passed
889 // the different miss possibilities. If it did, we would have a conflict
890 // when FLAG_vector_ics is true.
880 StringCharAtGenerator char_at_generator(receiver, index, scratch, result, 891 StringCharAtGenerator char_at_generator(receiver, index, scratch, result,
881 &miss, // When not a string. 892 &miss, // When not a string.
882 &miss, // When not a number. 893 &miss, // When not a number.
883 &miss, // When index out of range. 894 &miss, // When index out of range.
884 STRING_INDEX_IS_ARRAY_INDEX, 895 STRING_INDEX_IS_ARRAY_INDEX,
885 RECEIVER_IS_STRING); 896 RECEIVER_IS_STRING);
886 char_at_generator.GenerateFast(masm); 897 char_at_generator.GenerateFast(masm);
887 __ ret(0); 898 __ ret(0);
888 899
889 StubRuntimeCallHelper call_helper; 900 StubRuntimeCallHelper call_helper;
(...skipping 3871 matching lines...) Expand 10 before | Expand all | Expand 10 after
4761 return_value_operand, 4772 return_value_operand,
4762 NULL); 4773 NULL);
4763 } 4774 }
4764 4775
4765 4776
4766 #undef __ 4777 #undef __
4767 4778
4768 } } // namespace v8::internal 4779 } } // namespace v8::internal
4769 4780
4770 #endif // V8_TARGET_ARCH_X64 4781 #endif // V8_TARGET_ARCH_X64
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