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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 5879 void ArrayConstructorStubBase::GenerateStubsAheadOfTime(Isolate* isolate) { | 5879 void ArrayConstructorStubBase::GenerateStubsAheadOfTime(Isolate* isolate) { |
| 5880 ArrayConstructorStubAheadOfTimeHelper<ArrayNoArgumentConstructorStub>( | 5880 ArrayConstructorStubAheadOfTimeHelper<ArrayNoArgumentConstructorStub>( |
| 5881 isolate); | 5881 isolate); |
| 5882 ArrayConstructorStubAheadOfTimeHelper<ArraySingleArgumentConstructorStub>( | 5882 ArrayConstructorStubAheadOfTimeHelper<ArraySingleArgumentConstructorStub>( |
| 5883 isolate); | 5883 isolate); |
| 5884 ArrayConstructorStubAheadOfTimeHelper<ArrayNArgumentsConstructorStub>( | 5884 ArrayConstructorStubAheadOfTimeHelper<ArrayNArgumentsConstructorStub>( |
| 5885 isolate); | 5885 isolate); |
| 5886 } | 5886 } |
| 5887 | 5887 |
| 5888 | 5888 |
| 5889 void InternalArrayConstructorStubBase::GenerateStubsAheadOfTime( | |
| 5890 Isolate* isolate) { | |
| 5891 ElementsKind kinds[2] = { FAST_ELEMENTS, FAST_HOLEY_ELEMENTS }; | |
| 5892 for (int i = 0; i < 2; i++) { | |
| 5893 // For internal arrays we only need a few things | |
| 5894 InternalArrayNoArgumentConstructorStub stubh1(kinds[i]); | |
| 5895 stubh1.GetCode(isolate)->set_is_pregenerated(true); | |
| 5896 InternalArraySingleArgumentConstructorStub stubh2(kinds[i]); | |
| 5897 stubh2.GetCode(isolate)->set_is_pregenerated(true); | |
| 5898 InternalArrayNArgumentsConstructorStub stubh3(kinds[i]); | |
| 5899 stubh3.GetCode(isolate)->set_is_pregenerated(true); | |
| 5900 } | |
| 5901 } | |
| 5902 | |
| 5903 | |
| 5904 void ArrayConstructorStub::GenerateDispatchToArrayStub( | 5889 void ArrayConstructorStub::GenerateDispatchToArrayStub( |
| 5905 MacroAssembler* masm, | 5890 MacroAssembler* masm, |
| 5906 AllocationSiteOverrideMode mode) { | 5891 AllocationSiteOverrideMode mode) { |
| 5907 if (argument_count_ == ANY) { | 5892 if (argument_count_ == ANY) { |
| 5908 Label not_zero_case, not_one_case; | 5893 Label not_zero_case, not_one_case; |
| 5909 __ test(eax, eax); | 5894 __ test(eax, eax); |
| 5910 __ j(not_zero, ¬_zero_case); | 5895 __ j(not_zero, ¬_zero_case); |
| 5911 CreateArrayDispatch<ArrayNoArgumentConstructorStub>(masm, mode); | 5896 CreateArrayDispatch<ArrayNoArgumentConstructorStub>(masm, mode); |
| 5912 | 5897 |
| 5913 __ bind(¬_zero_case); | 5898 __ bind(¬_zero_case); |
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| 6051 __ mov(ecx, FieldOperand(ecx, Map::kBitField2Offset)); | 6036 __ mov(ecx, FieldOperand(ecx, Map::kBitField2Offset)); |
| 6052 // Retrieve elements_kind from bit field 2. | 6037 // Retrieve elements_kind from bit field 2. |
| 6053 __ and_(ecx, Map::kElementsKindMask); | 6038 __ and_(ecx, Map::kElementsKindMask); |
| 6054 __ shr(ecx, Map::kElementsKindShift); | 6039 __ shr(ecx, Map::kElementsKindShift); |
| 6055 | 6040 |
| 6056 if (FLAG_debug_code) { | 6041 if (FLAG_debug_code) { |
| 6057 Label done; | 6042 Label done; |
| 6058 __ cmp(ecx, Immediate(FAST_ELEMENTS)); | 6043 __ cmp(ecx, Immediate(FAST_ELEMENTS)); |
| 6059 __ j(equal, &done); | 6044 __ j(equal, &done); |
| 6060 __ cmp(ecx, Immediate(FAST_HOLEY_ELEMENTS)); | 6045 __ cmp(ecx, Immediate(FAST_HOLEY_ELEMENTS)); |
| 6046 __ j(equal, &done); |
| 6047 __ cmp(ecx, Immediate(FAST_DOUBLE_ELEMENTS)); |
| 6061 __ Assert(equal, | 6048 __ Assert(equal, |
| 6062 kInvalidElementsKindForInternalArrayOrInternalPackedArray); | 6049 kInvalidElementsKindForInternalArrayOrInternalPackedArray); |
| 6063 __ bind(&done); | 6050 __ bind(&done); |
| 6064 } | 6051 } |
| 6065 | 6052 |
| 6066 Label fast_elements_case; | 6053 Label fast_elements_case, fast_holey_elements_case; |
| 6067 __ cmp(ecx, Immediate(FAST_ELEMENTS)); | 6054 __ cmp(ecx, Immediate(FAST_ELEMENTS)); |
| 6068 __ j(equal, &fast_elements_case); | 6055 __ j(equal, &fast_elements_case); |
| 6056 __ cmp(ecx, Immediate(FAST_HOLEY_ELEMENTS)); |
| 6057 __ j(equal, &fast_holey_elements_case); |
| 6058 |
| 6059 GenerateCase(masm, FAST_DOUBLE_ELEMENTS); |
| 6060 |
| 6061 __ bind(&fast_holey_elements_case); |
| 6069 GenerateCase(masm, FAST_HOLEY_ELEMENTS); | 6062 GenerateCase(masm, FAST_HOLEY_ELEMENTS); |
| 6070 | 6063 |
| 6071 __ bind(&fast_elements_case); | 6064 __ bind(&fast_elements_case); |
| 6072 GenerateCase(masm, FAST_ELEMENTS); | 6065 GenerateCase(masm, FAST_ELEMENTS); |
| 6073 } | 6066 } |
| 6074 | 6067 |
| 6075 | 6068 |
| 6076 #undef __ | 6069 #undef __ |
| 6077 | 6070 |
| 6078 } } // namespace v8::internal | 6071 } } // namespace v8::internal |
| 6079 | 6072 |
| 6080 #endif // V8_TARGET_ARCH_IA32 | 6073 #endif // V8_TARGET_ARCH_IA32 |
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