Reviewers: Kasper Lund, Kevin Millikin,
Description:
Improve keyed loads on strings by using a new stub.
Instead of going through a runtime function for keyed loads
on strings we invoke a separate specialized stub that
assumes string as receiver type and the key to be a number.
The stub calls a JS builtin function to return the corresponding
one-character
string.
Please review this at http://codereview.chromium.org/521041
SVN Base: http://v8.googlecode.com/svn/branches/bleeding_edge/
Affected files:
M src/builtins.h
M src/builtins.cc
M src/ia32/ic-ia32.cc
M src/ic.h
M src/ic.cc
M src/runtime.h
M src/runtime.cc
M src/runtime.js
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