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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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35 ASSERT(field_offset != Class::kNoTypeArguments); | 35 ASSERT(field_offset != Class::kNoTypeArguments); |
36 return field_offset; | 36 return field_offset; |
37 } | 37 } |
38 | 38 |
39 | 39 |
40 // Intrinsify only for Smi value and index. Non-smi values need a store buffer | 40 // Intrinsify only for Smi value and index. Non-smi values need a store buffer |
41 // update. Array length is always a Smi. | 41 // update. Array length is always a Smi. |
42 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) { | 42 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) { |
43 Label fall_through; | 43 Label fall_through; |
44 | 44 |
45 if (FLAG_enable_type_checks) { | 45 if (Isolate::Current()->TypeChecksEnabled()) { |
46 const intptr_t type_args_field_offset = | 46 const intptr_t type_args_field_offset = |
47 ComputeObjectArrayTypeArgumentsOffset(); | 47 ComputeObjectArrayTypeArgumentsOffset(); |
48 // Inline simple tests (Smi, null), fallthrough if not positive. | 48 // Inline simple tests (Smi, null), fallthrough if not positive. |
49 Label checked_ok; | 49 Label checked_ok; |
50 __ lw(T2, Address(SP, 0 * kWordSize)); // Value. | 50 __ lw(T2, Address(SP, 0 * kWordSize)); // Value. |
51 | 51 |
52 // Null value is valid for any type. | 52 // Null value is valid for any type. |
53 __ LoadImmediate(T7, reinterpret_cast<int32_t>(Object::null())); | 53 __ LoadImmediate(T7, reinterpret_cast<int32_t>(Object::null())); |
54 __ beq(T2, T7, &checked_ok); | 54 __ beq(T2, T7, &checked_ok); |
55 | 55 |
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132 | 132 |
133 __ Bind(&fall_through); | 133 __ Bind(&fall_through); |
134 } | 134 } |
135 | 135 |
136 | 136 |
137 // Add an element to growable array if it doesn't need to grow, otherwise | 137 // Add an element to growable array if it doesn't need to grow, otherwise |
138 // call into regular code. | 138 // call into regular code. |
139 // On stack: growable array (+1), value (+0). | 139 // On stack: growable array (+1), value (+0). |
140 void Intrinsifier::GrowableArray_add(Assembler* assembler) { | 140 void Intrinsifier::GrowableArray_add(Assembler* assembler) { |
141 // In checked mode we need to type-check the incoming argument. | 141 // In checked mode we need to type-check the incoming argument. |
142 if (FLAG_enable_type_checks) return; | 142 if (Isolate::Current()->TypeChecksEnabled()) return; |
143 Label fall_through; | 143 Label fall_through; |
144 __ lw(T0, Address(SP, 1 * kWordSize)); // Array. | 144 __ lw(T0, Address(SP, 1 * kWordSize)); // Array. |
145 __ lw(T1, FieldAddress(T0, GrowableObjectArray::length_offset())); | 145 __ lw(T1, FieldAddress(T0, GrowableObjectArray::length_offset())); |
146 // T1: length. | 146 // T1: length. |
147 __ lw(T2, FieldAddress(T0, GrowableObjectArray::data_offset())); | 147 __ lw(T2, FieldAddress(T0, GrowableObjectArray::data_offset())); |
148 // T2: data. | 148 // T2: data. |
149 __ lw(T3, FieldAddress(T2, Array::length_offset())); | 149 __ lw(T3, FieldAddress(T2, Array::length_offset())); |
150 // Compare length with capacity. | 150 // Compare length with capacity. |
151 // T3: capacity. | 151 // T3: capacity. |
152 __ beq(T1, T3, &fall_through); // Must grow data. | 152 __ beq(T1, T3, &fall_through); // Must grow data. |
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2051 Isolate* isolate = Isolate::Current(); | 2051 Isolate* isolate = Isolate::Current(); |
2052 __ LoadImmediate(V0, reinterpret_cast<uword>(isolate)); | 2052 __ LoadImmediate(V0, reinterpret_cast<uword>(isolate)); |
2053 // Set return value. | 2053 // Set return value. |
2054 __ Ret(); | 2054 __ Ret(); |
2055 __ delay_slot()->lw(V0, Address(V0, Isolate::current_tag_offset())); | 2055 __ delay_slot()->lw(V0, Address(V0, Isolate::current_tag_offset())); |
2056 } | 2056 } |
2057 | 2057 |
2058 } // namespace dart | 2058 } // namespace dart |
2059 | 2059 |
2060 #endif // defined TARGET_ARCH_MIPS | 2060 #endif // defined TARGET_ARCH_MIPS |
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