forked from OSchip/llvm-project
![]() Summary: Based on Simon's D52965, but improved to handle strict fp and improve some of the shuffling. Rather than use v2i1/v4i1 and let type legalization continue, just generate all the code with legal types and use an explicit shuffle. I also added an explicit setcc to the v4i64 code to match the semantics of vselect which doesn't just use the sign bit. I'm also using a v4i64->v4i32 truncate instead of the shuffle in Simon's original code. With the setcc this will become a pack. Future work can look into using X86ISD::BLENDV and a different shuffle that only moves the sign bit. Reviewers: RKSimon, spatel Reviewed By: RKSimon Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D71956 |
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llvm.spec.in |
README.txt
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