Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 5 | #include "src/ic/ic-compiler.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 6 | |
| 7 | #include "src/ic/handler-compiler.h" |
| 8 | #include "src/ic/ic-inl.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | |
| 13 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 14 | Handle<Code> PropertyICCompiler::ComputeKeyedLoadMonomorphicHandler( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 15 | Handle<Map> receiver_map, ExtraICState extra_ic_state) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 16 | // TODO(ishell): remove extra_ic_state |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 17 | Isolate* isolate = receiver_map->GetIsolate(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 18 | bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 19 | ElementsKind elements_kind = receiver_map->elements_kind(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 20 | |
| 21 | // No need to check for an elements-free prototype chain here, the generated |
| 22 | // stub code needs to check that dynamically anyway. |
| 23 | bool convert_hole_to_undefined = |
| 24 | is_js_array && elements_kind == FAST_HOLEY_ELEMENTS && |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 25 | *receiver_map == isolate->get_initial_js_array_map(elements_kind); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 26 | Handle<Code> stub; |
| 27 | if (receiver_map->has_indexed_interceptor()) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 28 | TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadIndexedInterceptorStub); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 29 | stub = LoadIndexedInterceptorStub(isolate).GetCode(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 30 | } else if (receiver_map->IsStringMap()) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 31 | TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadIndexedStringStub); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 32 | stub = LoadIndexedStringStub(isolate).GetCode(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 33 | } else if (receiver_map->has_sloppy_arguments_elements()) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 34 | TRACE_HANDLER_STATS(isolate, KeyedLoadIC_KeyedLoadSloppyArgumentsStub); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 35 | stub = KeyedLoadSloppyArgumentsStub(isolate).GetCode(); |
| 36 | } else if (receiver_map->has_fast_elements() || |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 37 | receiver_map->has_fixed_typed_array_elements()) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 38 | TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadFastElementStub); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 39 | stub = LoadFastElementStub(isolate, is_js_array, elements_kind, |
| 40 | convert_hole_to_undefined).GetCode(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 41 | } else { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 42 | DCHECK(receiver_map->has_dictionary_elements()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 43 | TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadDictionaryElementStub); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 44 | stub = LoadDictionaryElementStub(isolate).GetCode(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 45 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 46 | return stub; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 47 | } |
| 48 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 49 | Handle<Code> PropertyICCompiler::ComputeKeyedStoreMonomorphicHandler( |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 50 | Handle<Map> receiver_map, KeyedAccessStoreMode store_mode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 51 | Isolate* isolate = receiver_map->GetIsolate(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 52 | |
| 53 | DCHECK(store_mode == STANDARD_STORE || |
| 54 | store_mode == STORE_AND_GROW_NO_TRANSITION || |
| 55 | store_mode == STORE_NO_TRANSITION_IGNORE_OUT_OF_BOUNDS || |
| 56 | store_mode == STORE_NO_TRANSITION_HANDLE_COW); |
| 57 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 58 | PropertyICCompiler compiler(isolate); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 59 | Handle<Code> code = |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 60 | compiler.CompileKeyedStoreMonomorphicHandler(receiver_map, store_mode); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 61 | return code; |
| 62 | } |
| 63 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 64 | void PropertyICCompiler::ComputeKeyedStorePolymorphicHandlers( |
| 65 | MapHandleList* receiver_maps, MapHandleList* transitioned_maps, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 66 | CodeHandleList* handlers, KeyedAccessStoreMode store_mode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 67 | Isolate* isolate = receiver_maps->at(0)->GetIsolate(); |
| 68 | DCHECK(store_mode == STANDARD_STORE || |
| 69 | store_mode == STORE_AND_GROW_NO_TRANSITION || |
| 70 | store_mode == STORE_NO_TRANSITION_IGNORE_OUT_OF_BOUNDS || |
| 71 | store_mode == STORE_NO_TRANSITION_HANDLE_COW); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 72 | PropertyICCompiler compiler(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 73 | compiler.CompileKeyedStorePolymorphicHandlers( |
| 74 | receiver_maps, transitioned_maps, handlers, store_mode); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 78 | void PropertyICCompiler::CompileKeyedStorePolymorphicHandlers( |
| 79 | MapHandleList* receiver_maps, MapHandleList* transitioned_maps, |
| 80 | CodeHandleList* handlers, KeyedAccessStoreMode store_mode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 81 | for (int i = 0; i < receiver_maps->length(); ++i) { |
| 82 | Handle<Map> receiver_map(receiver_maps->at(i)); |
| 83 | Handle<Code> cached_stub; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 84 | Handle<Map> transitioned_map; |
| 85 | { |
| 86 | Map* tmap = receiver_map->FindElementsKindTransitionedMap(receiver_maps); |
| 87 | if (tmap != nullptr) transitioned_map = handle(tmap); |
| 88 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 89 | |
| 90 | // TODO(mvstanton): The code below is doing pessimistic elements |
| 91 | // transitions. I would like to stop doing that and rely on Allocation Site |
| 92 | // Tracking to do a better job of ensuring the data types are what they need |
| 93 | // to be. Not all the elements are in place yet, pessimistic elements |
| 94 | // transitions are still important for performance. |
| 95 | bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE; |
| 96 | ElementsKind elements_kind = receiver_map->elements_kind(); |
| 97 | if (!transitioned_map.is_null()) { |
| 98 | cached_stub = |
| 99 | ElementsTransitionAndStoreStub(isolate(), elements_kind, |
| 100 | transitioned_map->elements_kind(), |
| 101 | is_js_array, store_mode).GetCode(); |
| 102 | } else if (receiver_map->instance_type() < FIRST_JS_RECEIVER_TYPE) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 103 | // TODO(mvstanton): Consider embedding store_mode in the state of the slow |
| 104 | // keyed store ic for uniformity. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 105 | cached_stub = isolate()->builtins()->KeyedStoreIC_Slow(); |
| 106 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 107 | if (IsSloppyArgumentsElements(elements_kind)) { |
| 108 | cached_stub = |
| 109 | KeyedStoreSloppyArgumentsStub(isolate(), store_mode).GetCode(); |
| 110 | } else if (receiver_map->has_fast_elements() || |
| 111 | receiver_map->has_fixed_typed_array_elements()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 112 | cached_stub = StoreFastElementStub(isolate(), is_js_array, |
| 113 | elements_kind, store_mode).GetCode(); |
| 114 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 115 | cached_stub = |
| 116 | StoreElementStub(isolate(), elements_kind, store_mode).GetCode(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 117 | } |
| 118 | } |
| 119 | DCHECK(!cached_stub.is_null()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 120 | handlers->Add(cached_stub); |
| 121 | transitioned_maps->Add(transitioned_map); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 122 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | |
| 126 | #define __ ACCESS_MASM(masm()) |
| 127 | |
| 128 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 129 | Handle<Code> PropertyICCompiler::CompileKeyedStoreMonomorphicHandler( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 130 | Handle<Map> receiver_map, KeyedAccessStoreMode store_mode) { |
| 131 | ElementsKind elements_kind = receiver_map->elements_kind(); |
| 132 | bool is_jsarray = receiver_map->instance_type() == JS_ARRAY_TYPE; |
| 133 | Handle<Code> stub; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 134 | if (receiver_map->has_sloppy_arguments_elements()) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 135 | TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_KeyedStoreSloppyArgumentsStub); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 136 | stub = KeyedStoreSloppyArgumentsStub(isolate(), store_mode).GetCode(); |
| 137 | } else if (receiver_map->has_fast_elements() || |
| 138 | receiver_map->has_fixed_typed_array_elements()) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 139 | TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_StoreFastElementStub); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 140 | stub = StoreFastElementStub(isolate(), is_jsarray, elements_kind, |
| 141 | store_mode).GetCode(); |
| 142 | } else { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 143 | TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_StoreElementStub); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 144 | stub = StoreElementStub(isolate(), elements_kind, store_mode).GetCode(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 145 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 146 | return stub; |
| 147 | } |
| 148 | |
| 149 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 150 | #undef __ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 151 | } // namespace internal |
| 152 | } // namespace v8 |