src/x64/ic-x64.cc - Issue 524059: Speed up compares with characters ie single-character strings....

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Unified Diff: src/x64/ic-x64.cc

Issue 524059: Speed up compares with characters ie single-character strings.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: '' Created 10 years, 11 months ago

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Index: src/x64/ic-x64.cc

===================================================================

--- src/x64/ic-x64.cc (revision 3561)

+++ src/x64/ic-x64.cc (working copy)

@@ -330,6 +330,7 @@

// Is the string a symbol?

__ j(not_zero, &index_string); // The value in rbx is used at jump target.

+ ASSERT(kSymbolTag != 0);

__ testb(FieldOperand(rdx, Map::kInstanceTypeOffset),

Immediate(kIsSymbolMask));

__ j(zero, &slow);

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