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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1802 // variable/property load. | 1802 // variable/property load. |
1803 if (expr->is_compound()) { | 1803 if (expr->is_compound()) { |
1804 { AccumulatorValueContext context(this); | 1804 { AccumulatorValueContext context(this); |
1805 switch (assign_type) { | 1805 switch (assign_type) { |
1806 case VARIABLE: | 1806 case VARIABLE: |
1807 EmitVariableLoad(expr->target()->AsVariableProxy()); | 1807 EmitVariableLoad(expr->target()->AsVariableProxy()); |
1808 PrepareForBailout(expr->target(), TOS_REG); | 1808 PrepareForBailout(expr->target(), TOS_REG); |
1809 break; | 1809 break; |
1810 case NAMED_PROPERTY: | 1810 case NAMED_PROPERTY: |
1811 EmitNamedPropertyLoad(property); | 1811 EmitNamedPropertyLoad(property); |
1812 PrepareForBailoutForId(expr->CompoundLoadId(), TOS_REG); | 1812 PrepareForBailoutForId(property->LoadId(), TOS_REG); |
1813 break; | 1813 break; |
1814 case KEYED_PROPERTY: | 1814 case KEYED_PROPERTY: |
1815 EmitKeyedPropertyLoad(property); | 1815 EmitKeyedPropertyLoad(property); |
1816 PrepareForBailoutForId(expr->CompoundLoadId(), TOS_REG); | 1816 PrepareForBailoutForId(property->LoadId(), TOS_REG); |
1817 break; | 1817 break; |
1818 } | 1818 } |
1819 } | 1819 } |
1820 | 1820 |
1821 Token::Value op = expr->binary_op(); | 1821 Token::Value op = expr->binary_op(); |
1822 __ push(rax); // Left operand goes on the stack. | 1822 __ push(rax); // Left operand goes on the stack. |
1823 VisitForAccumulatorValue(expr->value()); | 1823 VisitForAccumulatorValue(expr->value()); |
1824 | 1824 |
1825 OverwriteMode mode = expr->value()->ResultOverwriteAllowed() | 1825 OverwriteMode mode = expr->value()->ResultOverwriteAllowed() |
1826 ? OVERWRITE_RIGHT | 1826 ? OVERWRITE_RIGHT |
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2183 } | 2183 } |
2184 | 2184 |
2185 | 2185 |
2186 void FullCodeGenerator::VisitProperty(Property* expr) { | 2186 void FullCodeGenerator::VisitProperty(Property* expr) { |
2187 Comment cmnt(masm_, "[ Property"); | 2187 Comment cmnt(masm_, "[ Property"); |
2188 Expression* key = expr->key(); | 2188 Expression* key = expr->key(); |
2189 | 2189 |
2190 if (key->IsPropertyName()) { | 2190 if (key->IsPropertyName()) { |
2191 VisitForAccumulatorValue(expr->obj()); | 2191 VisitForAccumulatorValue(expr->obj()); |
2192 EmitNamedPropertyLoad(expr); | 2192 EmitNamedPropertyLoad(expr); |
2193 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); | 2193 PrepareForBailoutForId(expr->LoadId(), TOS_REG); |
2194 context()->Plug(rax); | 2194 context()->Plug(rax); |
2195 } else { | 2195 } else { |
2196 VisitForStackValue(expr->obj()); | 2196 VisitForStackValue(expr->obj()); |
2197 VisitForAccumulatorValue(expr->key()); | 2197 VisitForAccumulatorValue(expr->key()); |
2198 __ pop(rdx); | 2198 __ pop(rdx); |
2199 EmitKeyedPropertyLoad(expr); | 2199 EmitKeyedPropertyLoad(expr); |
2200 context()->Plug(rax); | 2200 context()->Plug(rax); |
2201 } | 2201 } |
2202 } | 2202 } |
2203 | 2203 |
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4016 __ push(rax); // Copy of key, needed for later store. | 4016 __ push(rax); // Copy of key, needed for later store. |
4017 EmitKeyedPropertyLoad(prop); | 4017 EmitKeyedPropertyLoad(prop); |
4018 } | 4018 } |
4019 } | 4019 } |
4020 | 4020 |
4021 // We need a second deoptimization point after loading the value | 4021 // We need a second deoptimization point after loading the value |
4022 // in case evaluating the property load my have a side effect. | 4022 // in case evaluating the property load my have a side effect. |
4023 if (assign_type == VARIABLE) { | 4023 if (assign_type == VARIABLE) { |
4024 PrepareForBailout(expr->expression(), TOS_REG); | 4024 PrepareForBailout(expr->expression(), TOS_REG); |
4025 } else { | 4025 } else { |
4026 PrepareForBailoutForId(expr->CountId(), TOS_REG); | 4026 PrepareForBailoutForId(prop->LoadId(), TOS_REG); |
4027 } | 4027 } |
4028 | 4028 |
4029 // Call ToNumber only if operand is not a smi. | 4029 // Call ToNumber only if operand is not a smi. |
4030 Label no_conversion; | 4030 Label no_conversion; |
4031 __ JumpIfSmi(rax, &no_conversion, Label::kNear); | 4031 __ JumpIfSmi(rax, &no_conversion, Label::kNear); |
4032 ToNumberStub convert_stub; | 4032 ToNumberStub convert_stub; |
4033 __ CallStub(&convert_stub); | 4033 __ CallStub(&convert_stub); |
4034 __ bind(&no_conversion); | 4034 __ bind(&no_conversion); |
4035 | 4035 |
4036 // Save result for postfix expressions. | 4036 // Save result for postfix expressions. |
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4539 *context_length = 0; | 4539 *context_length = 0; |
4540 return previous_; | 4540 return previous_; |
4541 } | 4541 } |
4542 | 4542 |
4543 | 4543 |
4544 #undef __ | 4544 #undef __ |
4545 | 4545 |
4546 } } // namespace v8::internal | 4546 } } // namespace v8::internal |
4547 | 4547 |
4548 #endif // V8_TARGET_ARCH_X64 | 4548 #endif // V8_TARGET_ARCH_X64 |
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