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Author SHA1 Message Date
Stefan Pintilie 873889ca16 [Power9] Exploit vector absolute difference instructions on Power 9 
Power 9 has instructions to do absolute difference (VABSDUB, VABSDUH, VABSDUW)
for byte, halfword and word. We should take advantage of these.

Differential Revision: https://reviews.llvm.org/D34684

llvm-svn: 309876
 2017-08-02 20:07:21 +00:00