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Commit 8ad91261 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] combineSubToSubus - support v8i32 handling from SSSE3 (not SSE41) 

Now that UMIN etc are Legal/Custom for SSE2+, we can efficiently match SUBUS v8i32 cases from SSSE3 which can perform efficient truncation with PSHUFB.

llvm-svn: 326033
parent 17ad62be
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