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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_ARM | 5 #if V8_TARGET_ARCH_ARM |
| 6 | 6 |
| 7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
| 8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
| 9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
| 10 #include "src/compiler.h" | 10 #include "src/compiler.h" |
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| 149 int locals_count = info->scope()->num_stack_slots(); | 149 int locals_count = info->scope()->num_stack_slots(); |
| 150 // Generators allocate locals, if any, in context slots. | 150 // Generators allocate locals, if any, in context slots. |
| 151 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); | 151 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); |
| 152 if (locals_count > 0) { | 152 if (locals_count > 0) { |
| 153 if (locals_count >= 128) { | 153 if (locals_count >= 128) { |
| 154 Label ok; | 154 Label ok; |
| 155 __ sub(r9, sp, Operand(locals_count * kPointerSize)); | 155 __ sub(r9, sp, Operand(locals_count * kPointerSize)); |
| 156 __ LoadRoot(r2, Heap::kRealStackLimitRootIndex); | 156 __ LoadRoot(r2, Heap::kRealStackLimitRootIndex); |
| 157 __ cmp(r9, Operand(r2)); | 157 __ cmp(r9, Operand(r2)); |
| 158 __ b(hs, &ok); | 158 __ b(hs, &ok); |
| 159 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); | 159 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); |
| 160 __ bind(&ok); | 160 __ bind(&ok); |
| 161 } | 161 } |
| 162 __ LoadRoot(r9, Heap::kUndefinedValueRootIndex); | 162 __ LoadRoot(r9, Heap::kUndefinedValueRootIndex); |
| 163 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; | 163 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; |
| 164 if (locals_count >= kMaxPushes) { | 164 if (locals_count >= kMaxPushes) { |
| 165 int loop_iterations = locals_count / kMaxPushes; | 165 int loop_iterations = locals_count / kMaxPushes; |
| 166 __ mov(r2, Operand(loop_iterations)); | 166 __ mov(r2, Operand(loop_iterations)); |
| 167 Label loop_header; | 167 Label loop_header; |
| 168 __ bind(&loop_header); | 168 __ bind(&loop_header); |
| 169 // Do pushes. | 169 // Do pushes. |
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| 1901 __ pop(); // literal index | 1901 __ pop(); // literal index |
| 1902 __ Pop(r0); | 1902 __ Pop(r0); |
| 1903 result_saved = false; | 1903 result_saved = false; |
| 1904 } | 1904 } |
| 1905 for (; array_index < length; array_index++) { | 1905 for (; array_index < length; array_index++) { |
| 1906 Expression* subexpr = subexprs->at(array_index); | 1906 Expression* subexpr = subexprs->at(array_index); |
| 1907 | 1907 |
| 1908 __ Push(r0); | 1908 __ Push(r0); |
| 1909 if (subexpr->IsSpread()) { | 1909 if (subexpr->IsSpread()) { |
| 1910 VisitForStackValue(subexpr->AsSpread()->expression()); | 1910 VisitForStackValue(subexpr->AsSpread()->expression()); |
| 1911 __ InvokeBuiltin(Builtins::CONCAT_ITERABLE_TO_ARRAY, CALL_FUNCTION); | 1911 __ InvokeBuiltin(Context::CONCAT_ITERABLE_TO_ARRAY_BUILTIN_INDEX, |
| 1912 CALL_FUNCTION); |
| 1912 } else { | 1913 } else { |
| 1913 VisitForStackValue(subexpr); | 1914 VisitForStackValue(subexpr); |
| 1914 __ CallRuntime(Runtime::kAppendElement, 2); | 1915 __ CallRuntime(Runtime::kAppendElement, 2); |
| 1915 } | 1916 } |
| 1916 | 1917 |
| 1917 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS); | 1918 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS); |
| 1918 } | 1919 } |
| 1919 | 1920 |
| 1920 if (result_saved) { | 1921 if (result_saved) { |
| 1921 __ pop(); // literal index | 1922 __ pop(); // literal index |
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| 5042 Label* if_false = NULL; | 5043 Label* if_false = NULL; |
| 5043 Label* fall_through = NULL; | 5044 Label* fall_through = NULL; |
| 5044 context()->PrepareTest(&materialize_true, &materialize_false, | 5045 context()->PrepareTest(&materialize_true, &materialize_false, |
| 5045 &if_true, &if_false, &fall_through); | 5046 &if_true, &if_false, &fall_through); |
| 5046 | 5047 |
| 5047 Token::Value op = expr->op(); | 5048 Token::Value op = expr->op(); |
| 5048 VisitForStackValue(expr->left()); | 5049 VisitForStackValue(expr->left()); |
| 5049 switch (op) { | 5050 switch (op) { |
| 5050 case Token::IN: | 5051 case Token::IN: |
| 5051 VisitForStackValue(expr->right()); | 5052 VisitForStackValue(expr->right()); |
| 5052 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION); | 5053 __ InvokeBuiltin(Context::IN_BUILTIN_INDEX, CALL_FUNCTION); |
| 5053 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); | 5054 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); |
| 5054 __ CompareRoot(r0, Heap::kTrueValueRootIndex); | 5055 __ CompareRoot(r0, Heap::kTrueValueRootIndex); |
| 5055 Split(eq, if_true, if_false, fall_through); | 5056 Split(eq, if_true, if_false, fall_through); |
| 5056 break; | 5057 break; |
| 5057 | 5058 |
| 5058 case Token::INSTANCEOF: { | 5059 case Token::INSTANCEOF: { |
| 5059 VisitForAccumulatorValue(expr->right()); | 5060 VisitForAccumulatorValue(expr->right()); |
| 5060 __ pop(r1); | 5061 __ pop(r1); |
| 5061 InstanceOfStub stub(isolate()); | 5062 InstanceOfStub stub(isolate()); |
| 5062 __ CallStub(&stub); | 5063 __ CallStub(&stub); |
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| 5376 DCHECK(interrupt_address == | 5377 DCHECK(interrupt_address == |
| 5377 isolate->builtins()->OsrAfterStackCheck()->entry()); | 5378 isolate->builtins()->OsrAfterStackCheck()->entry()); |
| 5378 return OSR_AFTER_STACK_CHECK; | 5379 return OSR_AFTER_STACK_CHECK; |
| 5379 } | 5380 } |
| 5380 | 5381 |
| 5381 | 5382 |
| 5382 } // namespace internal | 5383 } // namespace internal |
| 5383 } // namespace v8 | 5384 } // namespace v8 |
| 5384 | 5385 |
| 5385 #endif // V8_TARGET_ARCH_ARM | 5386 #endif // V8_TARGET_ARCH_ARM |
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