Nemanja Ivanovic 82d53ed492 [PowerPC] Use rldicr instruction for AND with an immediate if possible ...

Emit clrrdi (extended mnemonic for rldicr) for AND-ing with masks that
clear bits from the right hand size.

Committing on behalf of Hiroshi Inoue.

Differential Revision: https://reviews.llvm.org/D29388

llvm-svn: 296143

2017-02-24 18:03:16 +00:00

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