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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_MIPS. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. |
6 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
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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27 | 27 |
28 #define __ assembler-> | 28 #define __ assembler-> |
29 | 29 |
30 | 30 |
31 intptr_t Intrinsifier::ParameterSlotFromSp() { return -1; } | 31 intptr_t Intrinsifier::ParameterSlotFromSp() { return -1; } |
32 | 32 |
33 | 33 |
34 // Intrinsify only for Smi value and index. Non-smi values need a store buffer | 34 // Intrinsify only for Smi value and index. Non-smi values need a store buffer |
35 // update. Array length is always a Smi. | 35 // update. Array length is always a Smi. |
36 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) { | 36 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) { |
37 if (Isolate::Current()->flags().type_checks()) { | 37 if (Isolate::Current()->type_checks()) { |
38 return; | 38 return; |
39 } | 39 } |
40 | 40 |
41 Label fall_through; | 41 Label fall_through; |
42 __ lw(T1, Address(SP, 1 * kWordSize)); // Index. | 42 __ lw(T1, Address(SP, 1 * kWordSize)); // Index. |
43 __ andi(CMPRES1, T1, Immediate(kSmiTagMask)); | 43 __ andi(CMPRES1, T1, Immediate(kSmiTagMask)); |
44 // Index not Smi. | 44 // Index not Smi. |
45 __ bne(CMPRES1, ZR, &fall_through); | 45 __ bne(CMPRES1, ZR, &fall_through); |
46 | 46 |
47 __ lw(T0, Address(SP, 2 * kWordSize)); // Array. | 47 __ lw(T0, Address(SP, 2 * kWordSize)); // Array. |
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99 | 99 |
100 __ Bind(&fall_through); | 100 __ Bind(&fall_through); |
101 } | 101 } |
102 | 102 |
103 | 103 |
104 // Add an element to growable array if it doesn't need to grow, otherwise | 104 // Add an element to growable array if it doesn't need to grow, otherwise |
105 // call into regular code. | 105 // call into regular code. |
106 // On stack: growable array (+1), value (+0). | 106 // On stack: growable array (+1), value (+0). |
107 void Intrinsifier::GrowableArray_add(Assembler* assembler) { | 107 void Intrinsifier::GrowableArray_add(Assembler* assembler) { |
108 // In checked mode we need to type-check the incoming argument. | 108 // In checked mode we need to type-check the incoming argument. |
109 if (Isolate::Current()->flags().type_checks()) return; | 109 if (Isolate::Current()->type_checks()) return; |
110 Label fall_through; | 110 Label fall_through; |
111 __ lw(T0, Address(SP, 1 * kWordSize)); // Array. | 111 __ lw(T0, Address(SP, 1 * kWordSize)); // Array. |
112 __ lw(T1, FieldAddress(T0, GrowableObjectArray::length_offset())); | 112 __ lw(T1, FieldAddress(T0, GrowableObjectArray::length_offset())); |
113 // T1: length. | 113 // T1: length. |
114 __ lw(T2, FieldAddress(T0, GrowableObjectArray::data_offset())); | 114 __ lw(T2, FieldAddress(T0, GrowableObjectArray::data_offset())); |
115 // T2: data. | 115 // T2: data. |
116 __ lw(T3, FieldAddress(T2, Array::length_offset())); | 116 __ lw(T3, FieldAddress(T2, Array::length_offset())); |
117 // Compare length with capacity. | 117 // Compare length with capacity. |
118 // T3: capacity. | 118 // T3: capacity. |
119 __ beq(T1, T3, &fall_through); // Must grow data. | 119 __ beq(T1, T3, &fall_through); // Must grow data. |
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2228 | 2228 |
2229 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { | 2229 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { |
2230 __ LoadIsolate(V0); | 2230 __ LoadIsolate(V0); |
2231 __ Ret(); | 2231 __ Ret(); |
2232 __ delay_slot()->lw(V0, Address(V0, Isolate::current_tag_offset())); | 2232 __ delay_slot()->lw(V0, Address(V0, Isolate::current_tag_offset())); |
2233 } | 2233 } |
2234 | 2234 |
2235 } // namespace dart | 2235 } // namespace dart |
2236 | 2236 |
2237 #endif // defined TARGET_ARCH_MIPS | 2237 #endif // defined TARGET_ARCH_MIPS |
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