src/ia32/full-codegen-ia32.cc - Issue 11360251: Make kAsciiDataHintTag have correct semantics for all both 1 and 2 byte string types.

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Unified Diff: src/ia32/full-codegen-ia32.cc

Issue 11360251: Make kAsciiDataHintTag have correct semantics for all both 1 and 2 byte string types. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 8 years, 1 month ago

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Index: src/ia32/full-codegen-ia32.cc

diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc

index 159c2cabcc928d6c36d8bfccfeb81738825a573d..23e597f6b4dd58fc8d2efd3978e3cd8c69c53c48 100644

--- a/src/ia32/full-codegen-ia32.cc

+++ b/src/ia32/full-codegen-ia32.cc

@@ -3609,7 +3609,8 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(CallRuntime* expr) {

__ mov(scratch, FieldOperand(string, HeapObject::kMapOffset));

__ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset));

__ and_(scratch, Immediate(

- kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask));

+ kIsNotStringMask | kStringEncodingMask | kAsciiDataHintMask |

+ kStringRepresentationMask));

__ cmp(scratch, ASCII_STRING_TYPE);

__ j(not_equal, &bailout);

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