OLD | NEW |
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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
(...skipping 1099 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1110 Register key = LoadDescriptor::NameRegister(); | 1110 Register key = LoadDescriptor::NameRegister(); |
1111 | 1111 |
1112 // Copy all arguments from the array to the stack. | 1112 // Copy all arguments from the array to the stack. |
1113 Label entry, loop; | 1113 Label entry, loop; |
1114 __ movp(key, Operand(rbp, indexOffset)); | 1114 __ movp(key, Operand(rbp, indexOffset)); |
1115 __ jmp(&entry); | 1115 __ jmp(&entry); |
1116 __ bind(&loop); | 1116 __ bind(&loop); |
1117 __ movp(receiver, Operand(rbp, argumentsOffset)); // load arguments | 1117 __ movp(receiver, Operand(rbp, argumentsOffset)); // load arguments |
1118 | 1118 |
1119 // Use inline caching to speed up access to arguments. | 1119 // Use inline caching to speed up access to arguments. |
1120 if (FLAG_vector_ics) { | 1120 Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Megamorphic(); |
1121 // TODO(mvstanton): Vector-based ics need additional infrastructure to | 1121 __ Call(ic, RelocInfo::CODE_TARGET); |
1122 // be embedded here. For now, just call the runtime. | 1122 // It is important that we do not have a test instruction after the |
1123 __ Push(receiver); | 1123 // call. A test instruction after the call is used to indicate that |
1124 __ Push(key); | 1124 // we have generated an inline version of the keyed load. In this |
1125 __ CallRuntime(Runtime::kGetProperty, 2); | 1125 // case, we know that we are not generating a test instruction next. |
1126 } else { | |
1127 Handle<Code> ic = CodeFactory::KeyedLoadIC(masm->isolate()).code(); | |
1128 __ Call(ic, RelocInfo::CODE_TARGET); | |
1129 // It is important that we do not have a test instruction after the | |
1130 // call. A test instruction after the call is used to indicate that | |
1131 // we have generated an inline version of the keyed load. In this | |
1132 // case, we know that we are not generating a test instruction next. | |
1133 } | |
1134 | 1126 |
1135 // Push the nth argument. | 1127 // Push the nth argument. |
1136 __ Push(rax); | 1128 __ Push(rax); |
1137 | 1129 |
1138 // Update the index on the stack and in register key. | 1130 // Update the index on the stack and in register key. |
1139 __ movp(key, Operand(rbp, indexOffset)); | 1131 __ movp(key, Operand(rbp, indexOffset)); |
1140 __ SmiAddConstant(key, key, Smi::FromInt(1)); | 1132 __ SmiAddConstant(key, key, Smi::FromInt(1)); |
1141 __ movp(Operand(rbp, indexOffset), key); | 1133 __ movp(Operand(rbp, indexOffset), key); |
1142 | 1134 |
1143 __ bind(&entry); | 1135 __ bind(&entry); |
(...skipping 607 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1751 __ bind(&ok); | 1743 __ bind(&ok); |
1752 __ ret(0); | 1744 __ ret(0); |
1753 } | 1745 } |
1754 | 1746 |
1755 | 1747 |
1756 #undef __ | 1748 #undef __ |
1757 | 1749 |
1758 } } // namespace v8::internal | 1750 } } // namespace v8::internal |
1759 | 1751 |
1760 #endif // V8_TARGET_ARCH_X64 | 1752 #endif // V8_TARGET_ARCH_X64 |
OLD | NEW |