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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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| 153 { Comment cmnt(masm_, "[ Allocate locals"); | 153 { Comment cmnt(masm_, "[ Allocate locals"); |
| 154 int locals_count = info->scope()->num_stack_slots(); | 154 int locals_count = info->scope()->num_stack_slots(); |
| 155 // Generators allocate locals, if any, in context slots. | 155 // Generators allocate locals, if any, in context slots. |
| 156 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); | 156 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); |
| 157 if (locals_count > 0) { | 157 if (locals_count > 0) { |
| 158 if (locals_count >= 128) { | 158 if (locals_count >= 128) { |
| 159 Label ok; | 159 Label ok; |
| 160 __ Dsubu(t1, sp, Operand(locals_count * kPointerSize)); | 160 __ Dsubu(t1, sp, Operand(locals_count * kPointerSize)); |
| 161 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); | 161 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); |
| 162 __ Branch(&ok, hs, t1, Operand(a2)); | 162 __ Branch(&ok, hs, t1, Operand(a2)); |
| 163 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); | 163 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); |
| 164 __ bind(&ok); | 164 __ bind(&ok); |
| 165 } | 165 } |
| 166 __ LoadRoot(t1, Heap::kUndefinedValueRootIndex); | 166 __ LoadRoot(t1, Heap::kUndefinedValueRootIndex); |
| 167 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; | 167 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; |
| 168 if (locals_count >= kMaxPushes) { | 168 if (locals_count >= kMaxPushes) { |
| 169 int loop_iterations = locals_count / kMaxPushes; | 169 int loop_iterations = locals_count / kMaxPushes; |
| 170 __ li(a2, Operand(loop_iterations)); | 170 __ li(a2, Operand(loop_iterations)); |
| 171 Label loop_header; | 171 Label loop_header; |
| 172 __ bind(&loop_header); | 172 __ bind(&loop_header); |
| 173 // Do pushes. | 173 // Do pushes. |
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| 1897 __ Pop(); // literal index | 1897 __ Pop(); // literal index |
| 1898 __ Pop(v0); | 1898 __ Pop(v0); |
| 1899 result_saved = false; | 1899 result_saved = false; |
| 1900 } | 1900 } |
| 1901 for (; array_index < length; array_index++) { | 1901 for (; array_index < length; array_index++) { |
| 1902 Expression* subexpr = subexprs->at(array_index); | 1902 Expression* subexpr = subexprs->at(array_index); |
| 1903 | 1903 |
| 1904 __ Push(v0); | 1904 __ Push(v0); |
| 1905 if (subexpr->IsSpread()) { | 1905 if (subexpr->IsSpread()) { |
| 1906 VisitForStackValue(subexpr->AsSpread()->expression()); | 1906 VisitForStackValue(subexpr->AsSpread()->expression()); |
| 1907 __ InvokeBuiltin(Builtins::CONCAT_ITERABLE_TO_ARRAY, CALL_FUNCTION); | 1907 __ InvokeBuiltin(Context::CONCAT_ITERABLE_TO_ARRAY_BUILTIN_INDEX, |
| 1908 CALL_FUNCTION); |
| 1908 } else { | 1909 } else { |
| 1909 VisitForStackValue(subexpr); | 1910 VisitForStackValue(subexpr); |
| 1910 __ CallRuntime(Runtime::kAppendElement, 2); | 1911 __ CallRuntime(Runtime::kAppendElement, 2); |
| 1911 } | 1912 } |
| 1912 | 1913 |
| 1913 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS); | 1914 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS); |
| 1914 } | 1915 } |
| 1915 | 1916 |
| 1916 if (result_saved) { | 1917 if (result_saved) { |
| 1917 __ Pop(); // literal index | 1918 __ Pop(); // literal index |
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| 5071 Label* if_false = NULL; | 5072 Label* if_false = NULL; |
| 5072 Label* fall_through = NULL; | 5073 Label* fall_through = NULL; |
| 5073 context()->PrepareTest(&materialize_true, &materialize_false, | 5074 context()->PrepareTest(&materialize_true, &materialize_false, |
| 5074 &if_true, &if_false, &fall_through); | 5075 &if_true, &if_false, &fall_through); |
| 5075 | 5076 |
| 5076 Token::Value op = expr->op(); | 5077 Token::Value op = expr->op(); |
| 5077 VisitForStackValue(expr->left()); | 5078 VisitForStackValue(expr->left()); |
| 5078 switch (op) { | 5079 switch (op) { |
| 5079 case Token::IN: | 5080 case Token::IN: |
| 5080 VisitForStackValue(expr->right()); | 5081 VisitForStackValue(expr->right()); |
| 5081 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION); | 5082 __ InvokeBuiltin(Context::IN_BUILTIN_INDEX, CALL_FUNCTION); |
| 5082 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); | 5083 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); |
| 5083 __ LoadRoot(a4, Heap::kTrueValueRootIndex); | 5084 __ LoadRoot(a4, Heap::kTrueValueRootIndex); |
| 5084 Split(eq, v0, Operand(a4), if_true, if_false, fall_through); | 5085 Split(eq, v0, Operand(a4), if_true, if_false, fall_through); |
| 5085 break; | 5086 break; |
| 5086 | 5087 |
| 5087 case Token::INSTANCEOF: { | 5088 case Token::INSTANCEOF: { |
| 5088 VisitForAccumulatorValue(expr->right()); | 5089 VisitForAccumulatorValue(expr->right()); |
| 5089 __ mov(a0, result_register()); | 5090 __ mov(a0, result_register()); |
| 5090 __ pop(a1); | 5091 __ pop(a1); |
| 5091 InstanceOfStub stub(isolate()); | 5092 InstanceOfStub stub(isolate()); |
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| 5349 reinterpret_cast<uint64_t>( | 5350 reinterpret_cast<uint64_t>( |
| 5350 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5351 isolate->builtins()->OsrAfterStackCheck()->entry())); |
| 5351 return OSR_AFTER_STACK_CHECK; | 5352 return OSR_AFTER_STACK_CHECK; |
| 5352 } | 5353 } |
| 5353 | 5354 |
| 5354 | 5355 |
| 5355 } // namespace internal | 5356 } // namespace internal |
| 5356 } // namespace v8 | 5357 } // namespace v8 |
| 5357 | 5358 |
| 5358 #endif // V8_TARGET_ARCH_MIPS64 | 5359 #endif // V8_TARGET_ARCH_MIPS64 |
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