Request for reviews (XXS): 7079626: x64 emits unnecessary REX prefix

Christian Thalinger christian.thalinger at Oracle.com
Tue Aug 16 12:52:34 PDT 2011

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http://cr.openjdk.java.net/~twisti/7079626/

7079626: x64 emits unnecessary REX prefix
Reviewed-by:

While investigating some other bug we found out that on x64 we
sometimes emit unnecessary REX prefixes.

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