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Issue 148593004: A64: Synchronize with r18084. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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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
(...skipping 1557 matching lines...) Expand 10 before | Expand all | Expand 10 after
1568 __ push(Immediate(isolate()->factory()->null_value())); 1568 __ push(Immediate(isolate()->factory()->null_value()));
1569 } else { 1569 } else {
1570 VisitForStackValue(expression); 1570 VisitForStackValue(expression);
1571 } 1571 }
1572 } 1572 }
1573 1573
1574 1574
1575 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { 1575 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
1576 Comment cmnt(masm_, "[ ObjectLiteral"); 1576 Comment cmnt(masm_, "[ ObjectLiteral");
1577 1577
1578 int depth = 1; 1578 expr->BuildConstantProperties(isolate());
1579 expr->BuildConstantProperties(isolate(), &depth);
1580 Handle<FixedArray> constant_properties = expr->constant_properties(); 1579 Handle<FixedArray> constant_properties = expr->constant_properties();
1581 int flags = expr->fast_elements() 1580 int flags = expr->fast_elements()
1582 ? ObjectLiteral::kFastElements 1581 ? ObjectLiteral::kFastElements
1583 : ObjectLiteral::kNoFlags; 1582 : ObjectLiteral::kNoFlags;
1584 flags |= expr->has_function() 1583 flags |= expr->has_function()
1585 ? ObjectLiteral::kHasFunction 1584 ? ObjectLiteral::kHasFunction
1586 : ObjectLiteral::kNoFlags; 1585 : ObjectLiteral::kNoFlags;
1587 int properties_count = constant_properties->length() / 2; 1586 int properties_count = constant_properties->length() / 2;
1588 if ((FLAG_track_double_fields && expr->may_store_doubles()) || 1587 if ((FLAG_track_double_fields && expr->may_store_doubles()) ||
1589 depth > 1 || Serializer::enabled() || 1588 expr->depth() > 1 || Serializer::enabled() ||
1590 flags != ObjectLiteral::kFastElements || 1589 flags != ObjectLiteral::kFastElements ||
1591 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { 1590 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) {
1592 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 1591 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
1593 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset)); 1592 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset));
1594 __ push(Immediate(Smi::FromInt(expr->literal_index()))); 1593 __ push(Immediate(Smi::FromInt(expr->literal_index())));
1595 __ push(Immediate(constant_properties)); 1594 __ push(Immediate(constant_properties));
1596 __ push(Immediate(Smi::FromInt(flags))); 1595 __ push(Immediate(Smi::FromInt(flags)));
1597 __ CallRuntime(Runtime::kCreateObjectLiteral, 4); 1596 __ CallRuntime(Runtime::kCreateObjectLiteral, 4);
1598 } else { 1597 } else {
1599 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 1598 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
(...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after
1698 context()->PlugTOS(); 1697 context()->PlugTOS();
1699 } else { 1698 } else {
1700 context()->Plug(eax); 1699 context()->Plug(eax);
1701 } 1700 }
1702 } 1701 }
1703 1702
1704 1703
1705 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { 1704 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
1706 Comment cmnt(masm_, "[ ArrayLiteral"); 1705 Comment cmnt(masm_, "[ ArrayLiteral");
1707 1706
1708 int depth = 1; 1707 expr->BuildConstantElements(isolate());
1709 expr->BuildConstantElements(isolate(), &depth); 1708 int flags = expr->depth() == 1
1709 ? ArrayLiteral::kShallowElements
1710 : ArrayLiteral::kNoFlags;
1711
1710 ZoneList<Expression*>* subexprs = expr->values(); 1712 ZoneList<Expression*>* subexprs = expr->values();
1711 int length = subexprs->length(); 1713 int length = subexprs->length();
1712 Handle<FixedArray> constant_elements = expr->constant_elements(); 1714 Handle<FixedArray> constant_elements = expr->constant_elements();
1713 ASSERT_EQ(2, constant_elements->length()); 1715 ASSERT_EQ(2, constant_elements->length());
1714 ElementsKind constant_elements_kind = 1716 ElementsKind constant_elements_kind =
1715 static_cast<ElementsKind>(Smi::cast(constant_elements->get(0))->value()); 1717 static_cast<ElementsKind>(Smi::cast(constant_elements->get(0))->value());
1716 bool has_constant_fast_elements = 1718 bool has_constant_fast_elements =
1717 IsFastObjectElementsKind(constant_elements_kind); 1719 IsFastObjectElementsKind(constant_elements_kind);
1718 Handle<FixedArrayBase> constant_elements_values( 1720 Handle<FixedArrayBase> constant_elements_values(
1719 FixedArrayBase::cast(constant_elements->get(1))); 1721 FixedArrayBase::cast(constant_elements->get(1)));
1720 1722
1721 Heap* heap = isolate()->heap(); 1723 Heap* heap = isolate()->heap();
1722 if (has_constant_fast_elements && 1724 if (has_constant_fast_elements &&
1723 constant_elements_values->map() == heap->fixed_cow_array_map()) { 1725 constant_elements_values->map() == heap->fixed_cow_array_map()) {
1724 // If the elements are already FAST_*_ELEMENTS, the boilerplate cannot 1726 // If the elements are already FAST_*_ELEMENTS, the boilerplate cannot
1725 // change, so it's possible to specialize the stub in advance. 1727 // change, so it's possible to specialize the stub in advance.
1726 __ IncrementCounter(isolate()->counters()->cow_arrays_created_stub(), 1); 1728 __ IncrementCounter(isolate()->counters()->cow_arrays_created_stub(), 1);
1727 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 1729 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
1728 __ mov(eax, FieldOperand(ebx, JSFunction::kLiteralsOffset)); 1730 __ mov(eax, FieldOperand(ebx, JSFunction::kLiteralsOffset));
1729 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); 1731 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index())));
1730 __ mov(ecx, Immediate(constant_elements)); 1732 __ mov(ecx, Immediate(constant_elements));
1731 FastCloneShallowArrayStub stub( 1733 FastCloneShallowArrayStub stub(
1732 FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS, 1734 FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS,
1733 DONT_TRACK_ALLOCATION_SITE, 1735 DONT_TRACK_ALLOCATION_SITE,
1734 length); 1736 length);
1735 __ CallStub(&stub); 1737 __ CallStub(&stub);
1736 } else if (depth > 1 || Serializer::enabled() || 1738 } else if (expr->depth() > 1 || Serializer::enabled() ||
1737 length > FastCloneShallowArrayStub::kMaximumClonedLength) { 1739 length > FastCloneShallowArrayStub::kMaximumClonedLength) {
1738 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 1740 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
1739 __ push(FieldOperand(ebx, JSFunction::kLiteralsOffset)); 1741 __ push(FieldOperand(ebx, JSFunction::kLiteralsOffset));
1740 __ push(Immediate(Smi::FromInt(expr->literal_index()))); 1742 __ push(Immediate(Smi::FromInt(expr->literal_index())));
1741 __ push(Immediate(constant_elements)); 1743 __ push(Immediate(constant_elements));
1742 __ CallRuntime(Runtime::kCreateArrayLiteral, 3); 1744 __ push(Immediate(Smi::FromInt(flags)));
1745 __ CallRuntime(Runtime::kCreateArrayLiteral, 4);
1743 } else { 1746 } else {
1744 ASSERT(IsFastSmiOrObjectElementsKind(constant_elements_kind) || 1747 ASSERT(IsFastSmiOrObjectElementsKind(constant_elements_kind) ||
1745 FLAG_smi_only_arrays); 1748 FLAG_smi_only_arrays);
1746 FastCloneShallowArrayStub::Mode mode = 1749 FastCloneShallowArrayStub::Mode mode =
1747 FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS; 1750 FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS;
1748 AllocationSiteMode allocation_site_mode = FLAG_track_allocation_sites 1751 AllocationSiteMode allocation_site_mode = FLAG_track_allocation_sites
1749 ? TRACK_ALLOCATION_SITE : DONT_TRACK_ALLOCATION_SITE; 1752 ? TRACK_ALLOCATION_SITE : DONT_TRACK_ALLOCATION_SITE;
1750 1753
1751 // If the elements are already FAST_*_ELEMENTS, the boilerplate cannot 1754 // If the elements are already FAST_*_ELEMENTS, the boilerplate cannot
1752 // change, so it's possible to specialize the stub in advance. 1755 // change, so it's possible to specialize the stub in advance.
(...skipping 1538 matching lines...) Expand 10 before | Expand all | Expand 10 after
3291 VisitForStackValue(args->at(1)); 3294 VisitForStackValue(args->at(1));
3292 VisitForStackValue(args->at(2)); 3295 VisitForStackValue(args->at(2));
3293 __ CallRuntime(Runtime::kLog, 2); 3296 __ CallRuntime(Runtime::kLog, 2);
3294 } 3297 }
3295 // Finally, we're expected to leave a value on the top of the stack. 3298 // Finally, we're expected to leave a value on the top of the stack.
3296 __ mov(eax, isolate()->factory()->undefined_value()); 3299 __ mov(eax, isolate()->factory()->undefined_value());
3297 context()->Plug(eax); 3300 context()->Plug(eax);
3298 } 3301 }
3299 3302
3300 3303
3301 void FullCodeGenerator::EmitRandomHeapNumber(CallRuntime* expr) {
3302 ASSERT(expr->arguments()->length() == 0);
3303
3304 Label slow_allocate_heapnumber;
3305 Label heapnumber_allocated;
3306
3307 __ AllocateHeapNumber(edi, ebx, ecx, &slow_allocate_heapnumber);
3308 __ jmp(&heapnumber_allocated);
3309
3310 __ bind(&slow_allocate_heapnumber);
3311 // Allocate a heap number.
3312 __ CallRuntime(Runtime::kNumberAlloc, 0);
3313 __ mov(edi, eax);
3314
3315 __ bind(&heapnumber_allocated);
3316
3317 __ PrepareCallCFunction(1, ebx);
3318 __ mov(eax, ContextOperand(context_register(), Context::GLOBAL_OBJECT_INDEX));
3319 __ mov(eax, FieldOperand(eax, GlobalObject::kNativeContextOffset));
3320 __ mov(Operand(esp, 0), eax);
3321 __ CallCFunction(ExternalReference::random_uint32_function(isolate()), 1);
3322
3323 // Convert 32 random bits in eax to 0.(32 random bits) in a double
3324 // by computing:
3325 // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)).
3326 // This is implemented on both SSE2 and FPU.
3327 if (CpuFeatures::IsSupported(SSE2)) {
3328 CpuFeatureScope fscope(masm(), SSE2);
3329 __ mov(ebx, Immediate(0x49800000)); // 1.0 x 2^20 as single.
3330 __ movd(xmm1, ebx);
3331 __ movd(xmm0, eax);
3332 __ cvtss2sd(xmm1, xmm1);
3333 __ xorps(xmm0, xmm1);
3334 __ subsd(xmm0, xmm1);
3335 __ movsd(FieldOperand(edi, HeapNumber::kValueOffset), xmm0);
3336 } else {
3337 // 0x4130000000000000 is 1.0 x 2^20 as a double.
3338 __ mov(FieldOperand(edi, HeapNumber::kExponentOffset),
3339 Immediate(0x41300000));
3340 __ mov(FieldOperand(edi, HeapNumber::kMantissaOffset), eax);
3341 __ fld_d(FieldOperand(edi, HeapNumber::kValueOffset));
3342 __ mov(FieldOperand(edi, HeapNumber::kMantissaOffset), Immediate(0));
3343 __ fld_d(FieldOperand(edi, HeapNumber::kValueOffset));
3344 __ fsubp(1);
3345 __ fstp_d(FieldOperand(edi, HeapNumber::kValueOffset));
3346 }
3347 __ mov(eax, edi);
3348 context()->Plug(eax);
3349 }
3350
3351
3352 void FullCodeGenerator::EmitSubString(CallRuntime* expr) { 3304 void FullCodeGenerator::EmitSubString(CallRuntime* expr) {
3353 // Load the arguments on the stack and call the stub. 3305 // Load the arguments on the stack and call the stub.
3354 SubStringStub stub; 3306 SubStringStub stub;
3355 ZoneList<Expression*>* args = expr->arguments(); 3307 ZoneList<Expression*>* args = expr->arguments();
3356 ASSERT(args->length() == 3); 3308 ASSERT(args->length() == 3);
3357 VisitForStackValue(args->at(0)); 3309 VisitForStackValue(args->at(0));
3358 VisitForStackValue(args->at(1)); 3310 VisitForStackValue(args->at(1));
3359 VisitForStackValue(args->at(2)); 3311 VisitForStackValue(args->at(2));
3360 __ CallStub(&stub); 3312 __ CallStub(&stub);
3361 context()->Plug(eax); 3313 context()->Plug(eax);
(...skipping 1594 matching lines...) Expand 10 before | Expand all | Expand 10 after
4956 4908
4957 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 4909 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
4958 Assembler::target_address_at(call_target_address)); 4910 Assembler::target_address_at(call_target_address));
4959 return OSR_AFTER_STACK_CHECK; 4911 return OSR_AFTER_STACK_CHECK;
4960 } 4912 }
4961 4913
4962 4914
4963 } } // namespace v8::internal 4915 } } // namespace v8::internal
4964 4916
4965 #endif // V8_TARGET_ARCH_IA32 4917 #endif // V8_TARGET_ARCH_IA32
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