Its main use is to allow memory folding of the 1st operand
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Details
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Diff Detail
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- rL LLVM
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| Differential D16521
[X86][AVX] Add commutation support for VPERM2X128 instructions ClosedPublic Authored by RKSimon on Jan 24 2016, 7:49 AM.
Details Summary Its main use is to allow memory folding of the 1st operand
Diff Detail
Event TimelineThis revision is now accepted and ready to land.Jan 25 2016, 1:42 AM Closed by commit rL258726: [X86][AVX] Add commutation support for VPERM2X128 instructions (authored by RKSimon). · Explain WhyJan 25 2016, 1:55 PM This revision was automatically updated to reflect the committed changes.
Revision Contents
Diff 45913 llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
llvm/trunk/lib/Target/X86/X86InstrSSE.td
llvm/trunk/test/CodeGen/X86/avx-vperm2x128.ll
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