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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_MIPS64 | 5 #if V8_TARGET_ARCH_MIPS64 |
| 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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| 132 __ GetObjectType(a2, a2, a2); | 132 __ GetObjectType(a2, a2, a2); |
| 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 info->set_prologue_offset(masm_->pc_offset()); | 141 info->set_prologue_offset(masm_->pc_offset()); |
| 142 __ Prologue(info->IsCodePreAgingActive()); | 142 __ Prologue(info->GeneratePreagedPrologue()); |
| 143 | 143 |
| 144 { Comment cmnt(masm_, "[ Allocate locals"); | 144 { Comment cmnt(masm_, "[ Allocate locals"); |
| 145 int locals_count = info->scope()->num_stack_slots(); | 145 int locals_count = info->scope()->num_stack_slots(); |
| 146 // Generators allocate locals, if any, in context slots. | 146 // Generators allocate locals, if any, in context slots. |
| 147 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); | 147 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); |
| 148 if (locals_count > 0) { | 148 if (locals_count > 0) { |
| 149 if (locals_count >= 128) { | 149 if (locals_count >= 128) { |
| 150 Label ok; | 150 Label ok; |
| 151 __ Dsubu(t1, sp, Operand(locals_count * kPointerSize)); | 151 __ Dsubu(t1, sp, Operand(locals_count * kPointerSize)); |
| 152 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); | 152 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); |
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| 4845 reinterpret_cast<uint64_t>( | 4845 reinterpret_cast<uint64_t>( |
| 4846 isolate->builtins()->OsrAfterStackCheck()->entry())); | 4846 isolate->builtins()->OsrAfterStackCheck()->entry())); |
| 4847 return OSR_AFTER_STACK_CHECK; | 4847 return OSR_AFTER_STACK_CHECK; |
| 4848 } | 4848 } |
| 4849 | 4849 |
| 4850 | 4850 |
| 4851 } // namespace internal | 4851 } // namespace internal |
| 4852 } // namespace v8 | 4852 } // namespace v8 |
| 4853 | 4853 |
| 4854 #endif // V8_TARGET_ARCH_MIPS64 | 4854 #endif // V8_TARGET_ARCH_MIPS64 |
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