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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 // 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 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/base/division-by-constant.h" | 8 #include "src/base/division-by-constant.h" |
9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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109 } | 109 } |
110 | 110 |
111 | 111 |
112 void MacroAssembler::CompareRoot(const Operand& with, | 112 void MacroAssembler::CompareRoot(const Operand& with, |
113 Heap::RootListIndex index) { | 113 Heap::RootListIndex index) { |
114 DCHECK(isolate()->heap()->RootCanBeTreatedAsConstant(index)); | 114 DCHECK(isolate()->heap()->RootCanBeTreatedAsConstant(index)); |
115 cmp(with, isolate()->heap()->root_handle(index)); | 115 cmp(with, isolate()->heap()->root_handle(index)); |
116 } | 116 } |
117 | 117 |
118 | 118 |
| 119 void MacroAssembler::PushRoot(Heap::RootListIndex index) { |
| 120 DCHECK(isolate()->heap()->RootCanBeTreatedAsConstant(index)); |
| 121 Push(isolate()->heap()->root_handle(index)); |
| 122 } |
| 123 |
| 124 |
119 void MacroAssembler::InNewSpace( | 125 void MacroAssembler::InNewSpace( |
120 Register object, | 126 Register object, |
121 Register scratch, | 127 Register scratch, |
122 Condition cc, | 128 Condition cc, |
123 Label* condition_met, | 129 Label* condition_met, |
124 Label::Distance condition_met_distance) { | 130 Label::Distance condition_met_distance) { |
125 DCHECK(cc == equal || cc == not_equal); | 131 DCHECK(cc == equal || cc == not_equal); |
126 if (scratch.is(object)) { | 132 if (scratch.is(object)) { |
127 and_(scratch, Immediate(~Page::kPageAlignmentMask)); | 133 and_(scratch, Immediate(~Page::kPageAlignmentMask)); |
128 } else { | 134 } else { |
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769 Check(not_equal, kOperandIsASmiAndNotAName); | 775 Check(not_equal, kOperandIsASmiAndNotAName); |
770 push(object); | 776 push(object); |
771 mov(object, FieldOperand(object, HeapObject::kMapOffset)); | 777 mov(object, FieldOperand(object, HeapObject::kMapOffset)); |
772 CmpInstanceType(object, LAST_NAME_TYPE); | 778 CmpInstanceType(object, LAST_NAME_TYPE); |
773 pop(object); | 779 pop(object); |
774 Check(below_equal, kOperandIsNotAName); | 780 Check(below_equal, kOperandIsNotAName); |
775 } | 781 } |
776 } | 782 } |
777 | 783 |
778 | 784 |
| 785 void MacroAssembler::AssertFunction(Register object) { |
| 786 if (emit_debug_code()) { |
| 787 test(object, Immediate(kSmiTagMask)); |
| 788 Check(not_equal, kOperandIsASmiAndNotAFunction); |
| 789 Push(object); |
| 790 CmpObjectType(object, JS_FUNCTION_TYPE, object); |
| 791 Pop(object); |
| 792 Check(equal, kOperandIsNotAFunction); |
| 793 } |
| 794 } |
| 795 |
| 796 |
779 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object) { | 797 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object) { |
780 if (emit_debug_code()) { | 798 if (emit_debug_code()) { |
781 Label done_checking; | 799 Label done_checking; |
782 AssertNotSmi(object); | 800 AssertNotSmi(object); |
783 cmp(object, isolate()->factory()->undefined_value()); | 801 cmp(object, isolate()->factory()->undefined_value()); |
784 j(equal, &done_checking); | 802 j(equal, &done_checking); |
785 cmp(FieldOperand(object, 0), | 803 cmp(FieldOperand(object, 0), |
786 Immediate(isolate()->factory()->allocation_site_map())); | 804 Immediate(isolate()->factory()->allocation_site_map())); |
787 Assert(equal, kExpectedUndefinedOrCell); | 805 Assert(equal, kExpectedUndefinedOrCell); |
788 bind(&done_checking); | 806 bind(&done_checking); |
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2055 // A variable occurring in such a scope should have slot type LOOKUP and | 2073 // A variable occurring in such a scope should have slot type LOOKUP and |
2056 // not CONTEXT. | 2074 // not CONTEXT. |
2057 if (emit_debug_code()) { | 2075 if (emit_debug_code()) { |
2058 cmp(FieldOperand(dst, HeapObject::kMapOffset), | 2076 cmp(FieldOperand(dst, HeapObject::kMapOffset), |
2059 isolate()->factory()->with_context_map()); | 2077 isolate()->factory()->with_context_map()); |
2060 Check(not_equal, kVariableResolvedToWithContext); | 2078 Check(not_equal, kVariableResolvedToWithContext); |
2061 } | 2079 } |
2062 } | 2080 } |
2063 | 2081 |
2064 | 2082 |
| 2083 void MacroAssembler::LoadGlobalProxy(Register dst) { |
| 2084 mov(dst, GlobalObjectOperand()); |
| 2085 mov(dst, FieldOperand(dst, GlobalObject::kGlobalProxyOffset)); |
| 2086 } |
| 2087 |
| 2088 |
2065 void MacroAssembler::LoadTransitionedArrayMapConditional( | 2089 void MacroAssembler::LoadTransitionedArrayMapConditional( |
2066 ElementsKind expected_kind, | 2090 ElementsKind expected_kind, |
2067 ElementsKind transitioned_kind, | 2091 ElementsKind transitioned_kind, |
2068 Register map_in_out, | 2092 Register map_in_out, |
2069 Register scratch, | 2093 Register scratch, |
2070 Label* no_map_match) { | 2094 Label* no_map_match) { |
2071 // Load the global or builtins object from the current context. | 2095 // Load the global or builtins object from the current context. |
2072 mov(scratch, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); | 2096 mov(scratch, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); |
2073 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); | 2097 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); |
2074 | 2098 |
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3040 mov(eax, dividend); | 3064 mov(eax, dividend); |
3041 shr(eax, 31); | 3065 shr(eax, 31); |
3042 add(edx, eax); | 3066 add(edx, eax); |
3043 } | 3067 } |
3044 | 3068 |
3045 | 3069 |
3046 } // namespace internal | 3070 } // namespace internal |
3047 } // namespace v8 | 3071 } // namespace v8 |
3048 | 3072 |
3049 #endif // V8_TARGET_ARCH_X87 | 3073 #endif // V8_TARGET_ARCH_X87 |
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