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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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466 __ cmp(ecx, eax); | 466 __ cmp(ecx, eax); |
467 __ j(not_equal, &loop); | 467 __ j(not_equal, &loop); |
468 | 468 |
469 // Get the function from the stack and call it. | 469 // Get the function from the stack and call it. |
470 // kPointerSize for the receiver. | 470 // kPointerSize for the receiver. |
471 __ mov(edi, Operand(esp, eax, times_4, kPointerSize)); | 471 __ mov(edi, Operand(esp, eax, times_4, kPointerSize)); |
472 | 472 |
473 // Invoke the code. | 473 // Invoke the code. |
474 if (is_construct) { | 474 if (is_construct) { |
475 // No type feedback cell is available | 475 // No type feedback cell is available |
476 Handle<Object> undefined_sentinel( | 476 Handle<Object> megamorphic_sentinel = |
477 masm->isolate()->heap()->undefined_value(), masm->isolate()); | 477 TypeFeedbackInfo::MegamorphicSentinel(masm->isolate()); |
478 __ mov(ebx, Immediate(undefined_sentinel)); | 478 __ mov(ebx, Immediate(megamorphic_sentinel)); |
479 CallConstructStub stub(NO_CALL_FUNCTION_FLAGS); | 479 CallConstructStub stub(NO_CALL_FUNCTION_FLAGS); |
480 __ CallStub(&stub); | 480 __ CallStub(&stub); |
481 } else { | 481 } else { |
482 ParameterCount actual(eax); | 482 ParameterCount actual(eax); |
483 __ InvokeFunction(edi, actual, CALL_FUNCTION, | 483 __ InvokeFunction(edi, actual, CALL_FUNCTION, |
484 NullCallWrapper()); | 484 NullCallWrapper()); |
485 } | 485 } |
486 | 486 |
487 // Exit the internal frame. Notice that this also removes the empty. | 487 // Exit the internal frame. Notice that this also removes the empty. |
488 // context and the function left on the stack by the code | 488 // context and the function left on the stack by the code |
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1050 __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset)); | 1050 __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset)); |
1051 // Will both indicate a NULL and a Smi. | 1051 // Will both indicate a NULL and a Smi. |
1052 __ test(ebx, Immediate(kSmiTagMask)); | 1052 __ test(ebx, Immediate(kSmiTagMask)); |
1053 __ Assert(not_zero, kUnexpectedInitialMapForArrayFunction); | 1053 __ Assert(not_zero, kUnexpectedInitialMapForArrayFunction); |
1054 __ CmpObjectType(ebx, MAP_TYPE, ecx); | 1054 __ CmpObjectType(ebx, MAP_TYPE, ecx); |
1055 __ Assert(equal, kUnexpectedInitialMapForArrayFunction); | 1055 __ Assert(equal, kUnexpectedInitialMapForArrayFunction); |
1056 } | 1056 } |
1057 | 1057 |
1058 // Run the native code for the Array function called as a normal function. | 1058 // Run the native code for the Array function called as a normal function. |
1059 // tail call a stub | 1059 // tail call a stub |
1060 Handle<Object> undefined_sentinel( | 1060 Handle<Object> megamorphic_sentinel = |
1061 masm->isolate()->heap()->undefined_value(), | 1061 TypeFeedbackInfo::MegamorphicSentinel(masm->isolate()); |
1062 masm->isolate()); | 1062 __ mov(ebx, Immediate(megamorphic_sentinel)); |
1063 __ mov(ebx, Immediate(undefined_sentinel)); | |
1064 ArrayConstructorStub stub(masm->isolate()); | 1063 ArrayConstructorStub stub(masm->isolate()); |
1065 __ TailCallStub(&stub); | 1064 __ TailCallStub(&stub); |
1066 } | 1065 } |
1067 | 1066 |
1068 | 1067 |
1069 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { | 1068 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { |
1070 // ----------- S t a t e ------------- | 1069 // ----------- S t a t e ------------- |
1071 // -- eax : number of arguments | 1070 // -- eax : number of arguments |
1072 // -- edi : constructor function | 1071 // -- edi : constructor function |
1073 // -- esp[0] : return address | 1072 // -- esp[0] : return address |
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1365 | 1364 |
1366 __ bind(&ok); | 1365 __ bind(&ok); |
1367 __ ret(0); | 1366 __ ret(0); |
1368 } | 1367 } |
1369 | 1368 |
1370 #undef __ | 1369 #undef __ |
1371 } | 1370 } |
1372 } // namespace v8::internal | 1371 } // namespace v8::internal |
1373 | 1372 |
1374 #endif // V8_TARGET_ARCH_IA32 | 1373 #endif // V8_TARGET_ARCH_IA32 |
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