target-ppc: Special Case of rlwimi Should Use Deposit
The special case of rlwimi where MB <= ME and SH = 31-ME can be implemented with a single TCG deposit operation. This replaces the less general case of SH = MB = 0 and ME = 31. Signed-off-by: NTom Musta <tommusta@gmail.com> Suggested-by: NRichard Henderson <rth@twiddle.net> Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAlexander Graf <agraf@suse.de>
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