Craig Topper b195ed8ce3 [X86] Use vpmovq2m/vpmovd2m for truncate to vXi1 when possible. ...

Previously we used vptestmd, but the scheduling data for SKX says vpmovq2m/vpmovd2m is lower latency. We already used vpmovb2m/vpmovw2m for byte/word truncates. So this is more consistent anyway.

llvm-svn: 325534

2018-02-19 22:07:31 +00:00

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