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* config/i386/i386.md (unnamed peephole2): Do not force memory operands of arith or logical instructions into registers for non-TARGET_READ_MODIFY targets. (ffs_cmove): Change operand 0 predicate to register_operand. Change operand 1 predicate to nonimmediate_operand. (ffsdi2): Ditto. (*ffs_no_cmove): Change operand 0 predicate to register_operand. From-SVN: r141213
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