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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 #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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1017 __ Branch(&loop_header, ge, a4, Operand(zero_reg)); | 1017 __ Branch(&loop_header, ge, a4, Operand(zero_reg)); |
1018 } | 1018 } |
1019 | 1019 |
1020 // TODO(rmcilroy): List of things not currently dealt with here but done in | 1020 // TODO(rmcilroy): List of things not currently dealt with here but done in |
1021 // fullcodegen's prologue: | 1021 // fullcodegen's prologue: |
1022 // - Support profiler (specifically profiling_counter). | 1022 // - Support profiler (specifically profiling_counter). |
1023 // - Call ProfileEntryHookStub when isolate has a function_entry_hook. | 1023 // - Call ProfileEntryHookStub when isolate has a function_entry_hook. |
1024 // - Allow simulator stop operations if FLAG_stop_at is set. | 1024 // - Allow simulator stop operations if FLAG_stop_at is set. |
1025 // - Code aging of the BytecodeArray object. | 1025 // - Code aging of the BytecodeArray object. |
1026 | 1026 |
1027 // Perform stack guard check. | |
1028 { | |
1029 Label ok; | |
1030 __ LoadRoot(at, Heap::kStackLimitRootIndex); | |
1031 __ Branch(&ok, hs, sp, Operand(at)); | |
1032 __ push(kInterpreterBytecodeArrayRegister); | |
1033 __ CallRuntime(Runtime::kStackGuard); | |
1034 __ pop(kInterpreterBytecodeArrayRegister); | |
1035 __ bind(&ok); | |
1036 } | |
1037 | |
1038 // Load bytecode offset and dispatch table into registers. | 1027 // Load bytecode offset and dispatch table into registers. |
1039 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); | 1028 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); |
1040 __ Daddu(kInterpreterRegisterFileRegister, fp, | 1029 __ Daddu(kInterpreterRegisterFileRegister, fp, |
1041 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); | 1030 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); |
1042 __ li(kInterpreterBytecodeOffsetRegister, | 1031 __ li(kInterpreterBytecodeOffsetRegister, |
1043 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); | 1032 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); |
1044 __ LoadRoot(kInterpreterDispatchTableRegister, | 1033 __ LoadRoot(kInterpreterDispatchTableRegister, |
1045 Heap::kInterpreterTableRootIndex); | 1034 Heap::kInterpreterTableRootIndex); |
1046 __ Daddu(kInterpreterDispatchTableRegister, kInterpreterDispatchTableRegister, | 1035 __ Daddu(kInterpreterDispatchTableRegister, kInterpreterDispatchTableRegister, |
1047 Operand(FixedArray::kHeaderSize - kHeapObjectTag)); | 1036 Operand(FixedArray::kHeaderSize - kHeapObjectTag)); |
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2771 } | 2760 } |
2772 } | 2761 } |
2773 | 2762 |
2774 | 2763 |
2775 #undef __ | 2764 #undef __ |
2776 | 2765 |
2777 } // namespace internal | 2766 } // namespace internal |
2778 } // namespace v8 | 2767 } // namespace v8 |
2779 | 2768 |
2780 #endif // V8_TARGET_ARCH_MIPS64 | 2769 #endif // V8_TARGET_ARCH_MIPS64 |
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