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* [PowerPC] Support extended mnemonics mffprwz etc.Jinsong Ji2019-08-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | Summary: Reported in https://github.com/opencv/opencv/issues/15413. We have serveral extended mnemonics for Move To/From Vector-Scalar Register Instructions eg: mffprd,mtfprd etc. We only support one of them, this patch add the others. Reviewers: nemanjai, steven.zhang, hfinkel, #powerpc Reviewed By: hfinkel Subscribers: wuzish, qcolombet, hiraditya, kbarton, MaskRay, shchenz, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D66963 llvm-svn: 370411
* [PPC] Prefer direct move on power8 if load 1 or 2 bytes to VSRGuozhi Wei2016-12-121-0/+26
Power8 has MTVSRWZ but no LXSIBZX/LXSIHZX, so move 1 or 2 bytes to VSR through MTVSRWZ is much faster than store the extended value into stack and load it with LXSIWZX. This patch fixes pr31144. Differential Revision: https://reviews.llvm.org/D27287 llvm-svn: 289473
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