src/a64/ic-a64.cc - Issue 142813003: A64: Synchronize with r15358.

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Unified Diff: src/a64/ic-a64.cc

Issue 142813003: A64: Synchronize with r15358. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64

Patch Set: Created 6 years, 11 months ago

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Index: src/a64/ic-a64.cc

diff --git a/src/a64/ic-a64.cc b/src/a64/ic-a64.cc

index 93e8a64cbfc79803656bae9e2ac1df7f4f2cf7c9..71a9e8cbedab0e33e5836dee136008cff6a45580 100644

--- a/src/a64/ic-a64.cc

+++ b/src/a64/ic-a64.cc

@@ -328,7 +328,8 @@ static void GenerateKeyNameCheck(MacroAssembler* masm,

Name::kContainsCachedArrayIndexMask,

index_string);

- // Is the string internalized?

+ // Is the string internalized? We know it's a string, so a single bit test is

+ // enough.

__ Ldrb(hash_scratch, FieldMemOperand(map_scratch, Map::kInstanceTypeOffset));

STATIC_ASSERT(kInternalizedTag != 0);

__ TestAndBranchIfAllClear(hash_scratch, kIsInternalizedMask,

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