src/heap.cc - Issue 10824079: Use a special EnumLength field to indicate number of valid enum cache values.

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Unified Diff: src/heap.cc

Issue 10824079: Use a special EnumLength field to indicate number of valid enum cache values. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Addressed comments Created 8 years, 4 months ago

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Index: src/heap.cc

diff --git a/src/heap.cc b/src/heap.cc

index 694d9fd2361b8302118e5712e91df33462b8d531..b9252b23b66d30ff101327458e672bd6ef7d9288 100644

--- a/src/heap.cc

+++ b/src/heap.cc

@@ -2090,7 +2090,8 @@ MaybeObject* Heap::AllocateMap(InstanceType instance_type,

map->set_unused_property_fields(0);

map->set_bit_field(0);

map->set_bit_field2(1 << Map::kIsExtensible);

- map->set_bit_field3(0);

+ int bit_field3 = Map::EnumLengthBits::encode(Map::kInvalidEnumCache);

+ map->set_bit_field3(bit_field3);

map->set_elements_kind(elements_kind);

// If the map object is aligned fill the padding area with Smi 0 objects.

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