Qiu Chaofan c12722cde8 [PowerPC] Exploit RLDIMI for OR with large immediates ...

This patch exploits rldimi instruction for patterns like
`or %a, 0b000011110000`, which saves number of instructions when the
operand has only one use, compared with `li-ori-sldi-or`.

Reviewed By: nemanjai

Differential Revision: https://reviews.llvm.org/D77850

2020-04-22 14:16:52 +08:00

257 KiB

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