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If the input range is positive and the shift count is constant we can replace >>> with >> to compute the output range. For negative inputs, we can only compute a range if the result always fits into a signed int32. BUG=v8:1510 Review URL: http://codereview.chromium.org/7489043 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00 |
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