[interpreter] Reduce move operations for wide register support.
Introduces the concept of transfer direction to register operands. This enables the register translator to emit exactly the moves that a bytecode having it's register operands translated needs. BUG=v8:4280,v8:4675 LOG=N Review URL: https://codereview.chromium.org/1633153002 Cr-Commit-Position: refs/heads/master@{#33544}
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