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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 #include "src/codegen.h" | 7 #include "src/codegen.h" |
| 8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
| 9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
| 10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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| 1024 __ Branch(&loop_header, ge, t0, Operand(zero_reg)); | 1024 __ Branch(&loop_header, ge, t0, Operand(zero_reg)); |
| 1025 } | 1025 } |
| 1026 | 1026 |
| 1027 // TODO(rmcilroy): List of things not currently dealt with here but done in | 1027 // TODO(rmcilroy): List of things not currently dealt with here but done in |
| 1028 // fullcodegen's prologue: | 1028 // fullcodegen's prologue: |
| 1029 // - Support profiler (specifically profiling_counter). | 1029 // - Support profiler (specifically profiling_counter). |
| 1030 // - Call ProfileEntryHookStub when isolate has a function_entry_hook. | 1030 // - Call ProfileEntryHookStub when isolate has a function_entry_hook. |
| 1031 // - Allow simulator stop operations if FLAG_stop_at is set. | 1031 // - Allow simulator stop operations if FLAG_stop_at is set. |
| 1032 // - Code aging of the BytecodeArray object. | 1032 // - Code aging of the BytecodeArray object. |
| 1033 | 1033 |
| 1034 // Perform stack guard check. | |
| 1035 { | |
| 1036 Label ok; | |
| 1037 __ LoadRoot(at, Heap::kStackLimitRootIndex); | |
| 1038 __ Branch(&ok, hs, sp, Operand(at)); | |
| 1039 __ push(kInterpreterBytecodeArrayRegister); | |
| 1040 __ CallRuntime(Runtime::kStackGuard); | |
| 1041 __ pop(kInterpreterBytecodeArrayRegister); | |
| 1042 __ bind(&ok); | |
| 1043 } | |
| 1044 | |
| 1045 // Load bytecode offset and dispatch table into registers. | 1034 // Load bytecode offset and dispatch table into registers. |
| 1046 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); | 1035 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); |
| 1047 __ Addu(kInterpreterRegisterFileRegister, fp, | 1036 __ Addu(kInterpreterRegisterFileRegister, fp, |
| 1048 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); | 1037 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); |
| 1049 __ li(kInterpreterBytecodeOffsetRegister, | 1038 __ li(kInterpreterBytecodeOffsetRegister, |
| 1050 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); | 1039 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); |
| 1051 __ LoadRoot(kInterpreterDispatchTableRegister, | 1040 __ LoadRoot(kInterpreterDispatchTableRegister, |
| 1052 Heap::kInterpreterTableRootIndex); | 1041 Heap::kInterpreterTableRootIndex); |
| 1053 __ Addu(kInterpreterDispatchTableRegister, kInterpreterDispatchTableRegister, | 1042 __ Addu(kInterpreterDispatchTableRegister, kInterpreterDispatchTableRegister, |
| 1054 Operand(FixedArray::kHeaderSize - kHeapObjectTag)); | 1043 Operand(FixedArray::kHeaderSize - kHeapObjectTag)); |
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| 2777 } | 2766 } |
| 2778 } | 2767 } |
| 2779 | 2768 |
| 2780 | 2769 |
| 2781 #undef __ | 2770 #undef __ |
| 2782 | 2771 |
| 2783 } // namespace internal | 2772 } // namespace internal |
| 2784 } // namespace v8 | 2773 } // namespace v8 |
| 2785 | 2774 |
| 2786 #endif // V8_TARGET_ARCH_MIPS | 2775 #endif // V8_TARGET_ARCH_MIPS |
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