When the low bits of one operand of an add are zero, that number of low bits of the other operand are preserved in the output.
When the low bits of one operand of an add are zero, that number
of low bits of the other operand are preserved in the output.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@72365 91177308-0d34-0410-b5e6-96231b3b80d8

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