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Commit df4af41b authored by Benjamin Kramer's avatar Benjamin Kramer
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X86: Custom lower <2 x i64> eq and ne when SSE41 is not available. 

pcmpeqd, pshufd, pshufd, pand is cheaper than unpack + cmpq, sbbq, cmpq, sbbq + pack.
Small speedup on loop-vectorized viterbi (-march=core2).

llvm-svn: 171063
parent f45d92bb
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