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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_PPC | 5 #if V8_TARGET_ARCH_PPC |
| 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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| 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 __ Add(ip, sp, -(locals_count * kPointerSize), r0); | 160 __ Add(ip, sp, -(locals_count * kPointerSize), r0); |
| 161 __ LoadRoot(r5, Heap::kRealStackLimitRootIndex); | 161 __ LoadRoot(r5, Heap::kRealStackLimitRootIndex); |
| 162 __ cmpl(ip, r5); | 162 __ cmpl(ip, r5); |
| 163 __ bc_short(ge, &ok); | 163 __ bc_short(ge, &ok); |
| 164 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); | 164 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); |
| 165 __ bind(&ok); | 165 __ bind(&ok); |
| 166 } | 166 } |
| 167 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); | 167 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); |
| 168 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; | 168 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; |
| 169 if (locals_count >= kMaxPushes) { | 169 if (locals_count >= kMaxPushes) { |
| 170 int loop_iterations = locals_count / kMaxPushes; | 170 int loop_iterations = locals_count / kMaxPushes; |
| 171 __ mov(r5, Operand(loop_iterations)); | 171 __ mov(r5, Operand(loop_iterations)); |
| 172 __ mtctr(r5); | 172 __ mtctr(r5); |
| 173 Label loop_header; | 173 Label loop_header; |
| 174 __ bind(&loop_header); | 174 __ bind(&loop_header); |
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| 1861 __ Drop(1); // literal index | 1861 __ Drop(1); // literal index |
| 1862 __ Pop(r3); | 1862 __ Pop(r3); |
| 1863 result_saved = false; | 1863 result_saved = false; |
| 1864 } | 1864 } |
| 1865 for (; array_index < length; array_index++) { | 1865 for (; array_index < length; array_index++) { |
| 1866 Expression* subexpr = subexprs->at(array_index); | 1866 Expression* subexpr = subexprs->at(array_index); |
| 1867 | 1867 |
| 1868 __ Push(r3); | 1868 __ Push(r3); |
| 1869 if (subexpr->IsSpread()) { | 1869 if (subexpr->IsSpread()) { |
| 1870 VisitForStackValue(subexpr->AsSpread()->expression()); | 1870 VisitForStackValue(subexpr->AsSpread()->expression()); |
| 1871 __ InvokeBuiltin(Builtins::CONCAT_ITERABLE_TO_ARRAY, CALL_FUNCTION); | 1871 __ InvokeBuiltin(Context::CONCAT_ITERABLE_TO_ARRAY_BUILTIN_INDEX, |
| 1872 CALL_FUNCTION); |
| 1872 } else { | 1873 } else { |
| 1873 VisitForStackValue(subexpr); | 1874 VisitForStackValue(subexpr); |
| 1874 __ CallRuntime(Runtime::kAppendElement, 2); | 1875 __ CallRuntime(Runtime::kAppendElement, 2); |
| 1875 } | 1876 } |
| 1876 | 1877 |
| 1877 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS); | 1878 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS); |
| 1878 } | 1879 } |
| 1879 | 1880 |
| 1880 if (result_saved) { | 1881 if (result_saved) { |
| 1881 __ Drop(1); // literal index | 1882 __ Drop(1); // literal index |
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| 5060 Label* if_false = NULL; | 5061 Label* if_false = NULL; |
| 5061 Label* fall_through = NULL; | 5062 Label* fall_through = NULL; |
| 5062 context()->PrepareTest(&materialize_true, &materialize_false, &if_true, | 5063 context()->PrepareTest(&materialize_true, &materialize_false, &if_true, |
| 5063 &if_false, &fall_through); | 5064 &if_false, &fall_through); |
| 5064 | 5065 |
| 5065 Token::Value op = expr->op(); | 5066 Token::Value op = expr->op(); |
| 5066 VisitForStackValue(expr->left()); | 5067 VisitForStackValue(expr->left()); |
| 5067 switch (op) { | 5068 switch (op) { |
| 5068 case Token::IN: | 5069 case Token::IN: |
| 5069 VisitForStackValue(expr->right()); | 5070 VisitForStackValue(expr->right()); |
| 5070 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION); | 5071 __ InvokeBuiltin(Context::IN_BUILTIN_INDEX, CALL_FUNCTION); |
| 5071 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); | 5072 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); |
| 5072 __ LoadRoot(ip, Heap::kTrueValueRootIndex); | 5073 __ LoadRoot(ip, Heap::kTrueValueRootIndex); |
| 5073 __ cmp(r3, ip); | 5074 __ cmp(r3, ip); |
| 5074 Split(eq, if_true, if_false, fall_through); | 5075 Split(eq, if_true, if_false, fall_through); |
| 5075 break; | 5076 break; |
| 5076 | 5077 |
| 5077 case Token::INSTANCEOF: { | 5078 case Token::INSTANCEOF: { |
| 5078 VisitForStackValue(expr->right()); | 5079 VisitForStackValue(expr->right()); |
| 5079 InstanceofStub stub(isolate(), InstanceofStub::kNoFlags); | 5080 InstanceofStub stub(isolate(), InstanceofStub::kNoFlags); |
| 5080 __ CallStub(&stub); | 5081 __ CallStub(&stub); |
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| 5324 return ON_STACK_REPLACEMENT; | 5325 return ON_STACK_REPLACEMENT; |
| 5325 } | 5326 } |
| 5326 | 5327 |
| 5327 DCHECK(interrupt_address == | 5328 DCHECK(interrupt_address == |
| 5328 isolate->builtins()->OsrAfterStackCheck()->entry()); | 5329 isolate->builtins()->OsrAfterStackCheck()->entry()); |
| 5329 return OSR_AFTER_STACK_CHECK; | 5330 return OSR_AFTER_STACK_CHECK; |
| 5330 } | 5331 } |
| 5331 } // namespace internal | 5332 } // namespace internal |
| 5332 } // namespace v8 | 5333 } // namespace v8 |
| 5333 #endif // V8_TARGET_ARCH_PPC | 5334 #endif // V8_TARGET_ARCH_PPC |
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