OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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/code-stubs.h" | 5 #include "src/code-stubs.h" |
6 | 6 |
7 #include "src/bailout-reason.h" | 7 #include "src/bailout-reason.h" |
8 #include "src/field-index.h" | 8 #include "src/field-index.h" |
9 #include "src/hydrogen.h" | 9 #include "src/hydrogen.h" |
10 #include "src/ic/ic.h" | 10 #include "src/ic/ic.h" |
(...skipping 1197 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1208 | 1208 |
1209 | 1209 |
1210 HValue* CodeStubGraphBuilderBase::BuildArrayNArgumentsConstructor( | 1210 HValue* CodeStubGraphBuilderBase::BuildArrayNArgumentsConstructor( |
1211 JSArrayBuilder* array_builder, ElementsKind kind) { | 1211 JSArrayBuilder* array_builder, ElementsKind kind) { |
1212 // Insert a bounds check because the number of arguments might exceed | 1212 // Insert a bounds check because the number of arguments might exceed |
1213 // the kInitialMaxFastElementArray limit. This cannot happen for code | 1213 // the kInitialMaxFastElementArray limit. This cannot happen for code |
1214 // that was parsed, but calling via Array.apply(thisArg, [...]) might | 1214 // that was parsed, but calling via Array.apply(thisArg, [...]) might |
1215 // trigger it. | 1215 // trigger it. |
1216 HValue* length = GetArgumentsLength(); | 1216 HValue* length = GetArgumentsLength(); |
1217 HConstant* max_alloc_length = | 1217 HConstant* max_alloc_length = |
1218 Add<HConstant>(JSObject::kInitialMaxFastElementArray); | 1218 Add<HConstant>(JSArray::kInitialMaxFastElementArray); |
1219 HValue* checked_length = Add<HBoundsCheck>(length, max_alloc_length); | 1219 HValue* checked_length = Add<HBoundsCheck>(length, max_alloc_length); |
1220 | 1220 |
1221 // We need to fill with the hole if it's a smi array in the multi-argument | 1221 // We need to fill with the hole if it's a smi array in the multi-argument |
1222 // case because we might have to bail out while copying arguments into | 1222 // case because we might have to bail out while copying arguments into |
1223 // the array because they aren't compatible with a smi array. | 1223 // the array because they aren't compatible with a smi array. |
1224 // If it's a double array, no problem, and if it's fast then no | 1224 // If it's a double array, no problem, and if it's fast then no |
1225 // problem either because doubles are boxed. | 1225 // problem either because doubles are boxed. |
1226 // | 1226 // |
1227 // TODO(mvstanton): consider an instruction to memset fill the array | 1227 // TODO(mvstanton): consider an instruction to memset fill the array |
1228 // with zero in this case instead. | 1228 // with zero in this case instead. |
(...skipping 1123 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2352 return Pop(); | 2352 return Pop(); |
2353 } | 2353 } |
2354 | 2354 |
2355 | 2355 |
2356 Handle<Code> KeyedLoadGenericStub::GenerateCode() { | 2356 Handle<Code> KeyedLoadGenericStub::GenerateCode() { |
2357 return DoGenerateCode(this); | 2357 return DoGenerateCode(this); |
2358 } | 2358 } |
2359 | 2359 |
2360 } // namespace internal | 2360 } // namespace internal |
2361 } // namespace v8 | 2361 } // namespace v8 |
OLD | NEW |