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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_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
6 | 6 |
7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
8 // | 8 // |
9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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133 __ Check(ge, kSloppyFunctionExpectsJSReceiverReceiver, a2, | 133 __ Check(ge, kSloppyFunctionExpectsJSReceiverReceiver, a2, |
134 Operand(FIRST_JS_RECEIVER_TYPE)); | 134 Operand(FIRST_JS_RECEIVER_TYPE)); |
135 } | 135 } |
136 | 136 |
137 // Open a frame scope to indicate that there is a frame on the stack. The | 137 // Open a frame scope to indicate that there is a frame on the stack. The |
138 // MANUAL indicates that the scope shouldn't actually generate code to set up | 138 // MANUAL indicates that the scope shouldn't actually generate code to set up |
139 // the frame (that is done below). | 139 // the frame (that is done below). |
140 FrameScope frame_scope(masm_, StackFrame::MANUAL); | 140 FrameScope frame_scope(masm_, StackFrame::MANUAL); |
141 | 141 |
142 info->set_prologue_offset(masm_->pc_offset()); | 142 info->set_prologue_offset(masm_->pc_offset()); |
143 __ Prologue(info->IsCodePreAgingActive()); | 143 __ Prologue(info->GeneratePreagedPrologue()); |
144 | 144 |
145 { Comment cmnt(masm_, "[ Allocate locals"); | 145 { Comment cmnt(masm_, "[ Allocate locals"); |
146 int locals_count = info->scope()->num_stack_slots(); | 146 int locals_count = info->scope()->num_stack_slots(); |
147 // Generators allocate locals, if any, in context slots. | 147 // Generators allocate locals, if any, in context slots. |
148 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); | 148 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); |
149 if (locals_count > 0) { | 149 if (locals_count > 0) { |
150 if (locals_count >= 128) { | 150 if (locals_count >= 128) { |
151 Label ok; | 151 Label ok; |
152 __ Subu(t5, sp, Operand(locals_count * kPointerSize)); | 152 __ Subu(t5, sp, Operand(locals_count * kPointerSize)); |
153 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); | 153 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); |
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4832 reinterpret_cast<uint32_t>( | 4832 reinterpret_cast<uint32_t>( |
4833 isolate->builtins()->OsrAfterStackCheck()->entry())); | 4833 isolate->builtins()->OsrAfterStackCheck()->entry())); |
4834 return OSR_AFTER_STACK_CHECK; | 4834 return OSR_AFTER_STACK_CHECK; |
4835 } | 4835 } |
4836 | 4836 |
4837 | 4837 |
4838 } // namespace internal | 4838 } // namespace internal |
4839 } // namespace v8 | 4839 } // namespace v8 |
4840 | 4840 |
4841 #endif // V8_TARGET_ARCH_MIPS | 4841 #endif // V8_TARGET_ARCH_MIPS |
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