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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
| 8 | 8 |
| 9 #include "src/ic/ic.h" | 9 #include "src/ic/ic.h" |
| 10 #include "src/ic/ic-compiler.h" | 10 #include "src/ic/ic-compiler.h" |
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| 51 int number_of_handled_maps = 0; | 51 int number_of_handled_maps = 0; |
| 52 __ lw(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | 52 __ lw(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); |
| 53 for (int current = 0; current < receiver_count; ++current) { | 53 for (int current = 0; current < receiver_count; ++current) { |
| 54 Handle<HeapType> type = types->at(current); | 54 Handle<HeapType> type = types->at(current); |
| 55 Handle<Map> map = IC::TypeToMap(*type, isolate()); | 55 Handle<Map> map = IC::TypeToMap(*type, isolate()); |
| 56 if (!map->is_deprecated()) { | 56 if (!map->is_deprecated()) { |
| 57 number_of_handled_maps++; | 57 number_of_handled_maps++; |
| 58 // Check map and tail call if there's a match. | 58 // Check map and tail call if there's a match. |
| 59 // Separate compare from branch, to provide path for above JumpIfSmi(). | 59 // Separate compare from branch, to provide path for above JumpIfSmi(). |
| 60 Handle<WeakCell> cell = Map::WeakCellForMap(map); | 60 Handle<WeakCell> cell = Map::WeakCellForMap(map); |
| 61 __ CmpWeakValue(match, map_reg, cell); | 61 __ GetWeakValue(match, cell); |
| 62 if (type->Is(HeapType::Number())) { | 62 if (type->Is(HeapType::Number())) { |
| 63 DCHECK(!number_case.is_unused()); | 63 DCHECK(!number_case.is_unused()); |
| 64 __ bind(&number_case); | 64 __ bind(&number_case); |
| 65 } | 65 } |
| 66 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET, eq, match, | 66 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET, eq, match, |
| 67 Operand(zero_reg)); | 67 Operand(map_reg)); |
| 68 } | 68 } |
| 69 } | 69 } |
| 70 DCHECK(number_of_handled_maps != 0); | 70 DCHECK(number_of_handled_maps != 0); |
| 71 | 71 |
| 72 __ bind(&miss); | 72 __ bind(&miss); |
| 73 TailCallBuiltin(masm(), MissBuiltin(kind())); | 73 TailCallBuiltin(masm(), MissBuiltin(kind())); |
| 74 | 74 |
| 75 // Return the generated code. | 75 // Return the generated code. |
| 76 InlineCacheState state = | 76 InlineCacheState state = |
| 77 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; | 77 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; |
| 78 return GetCode(kind(), type, name, state); | 78 return GetCode(kind(), type, name, state); |
| 79 } | 79 } |
| 80 | 80 |
| 81 | 81 |
| 82 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( | 82 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( |
| 83 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, | 83 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, |
| 84 MapHandleList* transitioned_maps) { | 84 MapHandleList* transitioned_maps) { |
| 85 Label miss; | 85 Label miss; |
| 86 __ JumpIfSmi(receiver(), &miss); | 86 __ JumpIfSmi(receiver(), &miss); |
| 87 | 87 |
| 88 int receiver_count = receiver_maps->length(); | 88 int receiver_count = receiver_maps->length(); |
| 89 Register map_reg = scratch1(); | 89 Register map_reg = scratch1(); |
| 90 Register match = scratch2(); | 90 Register match = scratch2(); |
| 91 __ lw(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | 91 __ lw(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); |
| 92 for (int i = 0; i < receiver_count; ++i) { | 92 for (int i = 0; i < receiver_count; ++i) { |
| 93 Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i)); | 93 Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i)); |
| 94 __ CmpWeakValue(match, map_reg, cell); | 94 __ GetWeakValue(match, cell); |
| 95 if (transitioned_maps->at(i).is_null()) { | 95 if (transitioned_maps->at(i).is_null()) { |
| 96 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq, match, | 96 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq, match, |
| 97 Operand(zero_reg)); | 97 Operand(map_reg)); |
| 98 } else { | 98 } else { |
| 99 Label next_map; | 99 Label next_map; |
| 100 __ Branch(&next_map, ne, match, Operand(zero_reg)); | 100 __ Branch(&next_map, ne, match, Operand(map_reg)); |
| 101 Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i)); | 101 Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i)); |
| 102 __ LoadWeakValue(transition_map(), cell, &miss); | 102 __ LoadWeakValue(transition_map(), cell, &miss); |
| 103 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET); | 103 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET); |
| 104 __ bind(&next_map); | 104 __ bind(&next_map); |
| 105 } | 105 } |
| 106 } | 106 } |
| 107 | 107 |
| 108 __ bind(&miss); | 108 __ bind(&miss); |
| 109 TailCallBuiltin(masm(), MissBuiltin(kind())); | 109 TailCallBuiltin(masm(), MissBuiltin(kind())); |
| 110 | 110 |
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| 128 // Do tail-call to runtime routine. | 128 // Do tail-call to runtime routine. |
| 129 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); | 129 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); |
| 130 } | 130 } |
| 131 | 131 |
| 132 | 132 |
| 133 #undef __ | 133 #undef __ |
| 134 } | 134 } |
| 135 } // namespace v8::internal | 135 } // namespace v8::internal |
| 136 | 136 |
| 137 #endif // V8_TARGET_ARCH_MIPS | 137 #endif // V8_TARGET_ARCH_MIPS |
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