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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/crankshaft/x87/lithium-codegen-x87.h" | 7 #include "src/crankshaft/x87/lithium-codegen-x87.h" |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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100 if (info()->IsOptimizing()) { | 100 if (info()->IsOptimizing()) { |
101 ProfileEntryHookStub::MaybeCallEntryHook(masm_); | 101 ProfileEntryHookStub::MaybeCallEntryHook(masm_); |
102 | 102 |
103 #ifdef DEBUG | 103 #ifdef DEBUG |
104 if (strlen(FLAG_stop_at) > 0 && | 104 if (strlen(FLAG_stop_at) > 0 && |
105 info_->literal()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { | 105 info_->literal()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { |
106 __ int3(); | 106 __ int3(); |
107 } | 107 } |
108 #endif | 108 #endif |
109 | 109 |
110 // Sloppy mode functions and builtins need to replace the receiver with the | |
111 // global proxy when called as functions (without an explicit receiver | |
112 // object). | |
113 if (info()->MustReplaceUndefinedReceiverWithGlobalProxy()) { | |
114 Label ok; | |
115 // +1 for return address. | |
116 int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize; | |
117 __ mov(ecx, Operand(esp, receiver_offset)); | |
118 | |
119 __ cmp(ecx, isolate()->factory()->undefined_value()); | |
120 __ j(not_equal, &ok, Label::kNear); | |
121 | |
122 __ mov(ecx, GlobalObjectOperand()); | |
123 __ mov(ecx, FieldOperand(ecx, JSGlobalObject::kGlobalProxyOffset)); | |
124 | |
125 __ mov(Operand(esp, receiver_offset), ecx); | |
126 | |
127 __ bind(&ok); | |
128 } | |
129 | |
130 if (support_aligned_spilled_doubles_ && dynamic_frame_alignment_) { | 110 if (support_aligned_spilled_doubles_ && dynamic_frame_alignment_) { |
131 // Move state of dynamic frame alignment into edx. | 111 // Move state of dynamic frame alignment into edx. |
132 __ Move(edx, Immediate(kNoAlignmentPadding)); | 112 __ Move(edx, Immediate(kNoAlignmentPadding)); |
133 | 113 |
134 Label do_not_pad, align_loop; | 114 Label do_not_pad, align_loop; |
135 STATIC_ASSERT(kDoubleSize == 2 * kPointerSize); | 115 STATIC_ASSERT(kDoubleSize == 2 * kPointerSize); |
136 // Align esp + 4 to a multiple of 2 * kPointerSize. | 116 // Align esp + 4 to a multiple of 2 * kPointerSize. |
137 __ test(esp, Immediate(kPointerSize)); | 117 __ test(esp, Immediate(kPointerSize)); |
138 __ j(not_zero, &do_not_pad, Label::kNear); | 118 __ j(not_zero, &do_not_pad, Label::kNear); |
139 __ push(Immediate(0)); | 119 __ push(Immediate(0)); |
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6288 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6268 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6289 } | 6269 } |
6290 | 6270 |
6291 | 6271 |
6292 #undef __ | 6272 #undef __ |
6293 | 6273 |
6294 } // namespace internal | 6274 } // namespace internal |
6295 } // namespace v8 | 6275 } // namespace v8 |
6296 | 6276 |
6297 #endif // V8_TARGET_ARCH_X87 | 6277 #endif // V8_TARGET_ARCH_X87 |
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