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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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