CSA fast path for Map.prototype.(Get|Has) for string keys.

Review-Url: https://codereview.chromium.org/2964633002 Cr-Commit-Position: refs/heads/master@{#46394}

CSA fast path for Map.prototype.(Get|Has) for string keys.
Review-Url: https://codereview.chromium.org/2964633002 Cr-Commit-Position: refs/heads/master@{#46394}
3a243d3a · jarin · Commit Bot · 93557496 · 3a243d3a · 3a243d3a
Commit 3a243d3a authored Jul 04, 2017 by jarin Committed by Commit Bot Jul 04, 2017
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Showing with 146 additions and 42 deletions

builtins-collections-gen.cc src/builtins/builtins-collections-gen.cc +145 -41

code-stub-assembler.cc src/code-stub-assembler.cc +1 -1

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--- a/src/builtins/builtins-collections-gen.cc
+++ b/src/builtins/builtins-collections-gen.cc
--- a/src/code-stub-assembler.cc
+++ b/src/code-stub-assembler.cc
@@ -1220,7 +1220,7 @@ Node* CodeStubAssembler::LoadNameHashField(Node* name) {
 Node* CodeStubAssembler::LoadNameHash(Node* name, Label* if_hash_not_computed) {
  Node* hash_field = LoadNameHashField(name);
  if (if_hash_not_computed != nullptr) {
-    GotoIf(IsClearWord32(hash_field, Name::kHashNotComputedMask),
+    GotoIf(IsSetWord32(hash_field, Name::kHashNotComputedMask),
           if_hash_not_computed);
  }
  return Word32Shr(hash_field, Int32Constant(Name::kHashShift));