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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. |
6 #if defined(TARGET_ARCH_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
7 | 7 |
8 #include "vm/intrinsifier.h" | 8 #include "vm/intrinsifier.h" |
9 | 9 |
10 #include "vm/assembler.h" | 10 #include "vm/assembler.h" |
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28 | 28 |
29 #define __ assembler-> | 29 #define __ assembler-> |
30 | 30 |
31 | 31 |
32 intptr_t Intrinsifier::ParameterSlotFromSp() { return -1; } | 32 intptr_t Intrinsifier::ParameterSlotFromSp() { return -1; } |
33 | 33 |
34 | 34 |
35 // Intrinsify only for Smi value and index. Non-smi values need a store buffer | 35 // Intrinsify only for Smi value and index. Non-smi values need a store buffer |
36 // update. Array length is always a Smi. | 36 // update. Array length is always a Smi. |
37 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) { | 37 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) { |
38 if (Isolate::Current()->flags().type_checks()) { | 38 if (Isolate::Current()->type_checks()) { |
39 return; | 39 return; |
40 } | 40 } |
41 | 41 |
42 Label fall_through; | 42 Label fall_through; |
43 __ ldr(R1, Address(SP, 1 * kWordSize)); // Index. | 43 __ ldr(R1, Address(SP, 1 * kWordSize)); // Index. |
44 __ tst(R1, Operand(kSmiTagMask)); | 44 __ tst(R1, Operand(kSmiTagMask)); |
45 // Index not Smi. | 45 // Index not Smi. |
46 __ b(&fall_through, NE); | 46 __ b(&fall_through, NE); |
47 __ ldr(R0, Address(SP, 2 * kWordSize)); // Array. | 47 __ ldr(R0, Address(SP, 2 * kWordSize)); // Array. |
48 | 48 |
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102 | 102 |
103 __ Bind(&fall_through); | 103 __ Bind(&fall_through); |
104 } | 104 } |
105 | 105 |
106 | 106 |
107 // Add an element to growable array if it doesn't need to grow, otherwise | 107 // Add an element to growable array if it doesn't need to grow, otherwise |
108 // call into regular code. | 108 // call into regular code. |
109 // On stack: growable array (+1), value (+0). | 109 // On stack: growable array (+1), value (+0). |
110 void Intrinsifier::GrowableArray_add(Assembler* assembler) { | 110 void Intrinsifier::GrowableArray_add(Assembler* assembler) { |
111 // In checked mode we need to type-check the incoming argument. | 111 // In checked mode we need to type-check the incoming argument. |
112 if (Isolate::Current()->flags().type_checks()) { | 112 if (Isolate::Current()->type_checks()) { |
113 return; | 113 return; |
114 } | 114 } |
115 Label fall_through; | 115 Label fall_through; |
116 // R0: Array. | 116 // R0: Array. |
117 __ ldr(R0, Address(SP, 1 * kWordSize)); | 117 __ ldr(R0, Address(SP, 1 * kWordSize)); |
118 // R1: length. | 118 // R1: length. |
119 __ ldr(R1, FieldAddress(R0, GrowableObjectArray::length_offset())); | 119 __ ldr(R1, FieldAddress(R0, GrowableObjectArray::length_offset())); |
120 // R2: data. | 120 // R2: data. |
121 __ ldr(R2, FieldAddress(R0, GrowableObjectArray::data_offset())); | 121 __ ldr(R2, FieldAddress(R0, GrowableObjectArray::data_offset())); |
122 // R3: capacity. | 122 // R3: capacity. |
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2120 | 2120 |
2121 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { | 2121 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { |
2122 __ LoadIsolate(R0); | 2122 __ LoadIsolate(R0); |
2123 __ ldr(R0, Address(R0, Isolate::current_tag_offset())); | 2123 __ ldr(R0, Address(R0, Isolate::current_tag_offset())); |
2124 __ Ret(); | 2124 __ Ret(); |
2125 } | 2125 } |
2126 | 2126 |
2127 } // namespace dart | 2127 } // namespace dart |
2128 | 2128 |
2129 #endif // defined TARGET_ARCH_ARM | 2129 #endif // defined TARGET_ARCH_ARM |
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