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(parent: 6762427) | patch
X86: Emit logical shift by constant splat of <16 x i8> as a <8 x i16> shift and zero...
authorBenjamin Kramer <benny.kra@googlemail.com>
Sun, 30 Oct 2011 17:31:21 +0000 (17:31 +0000)
committerBenjamin Kramer <benny.kra@googlemail.com>
Sun, 30 Oct 2011 17:31:21 +0000 (17:31 +0000)
commitdade3c144818e4888831ed13c1efaef28934ac78
tree3041fe09b09382135008db3d6fa1083019c605d9tree | snapshot
parent6762427e8e068c8517ff7ab6a54f699e2bb2dec7commit | diff
X86: Emit logical shift by constant splat of <16 x i8> as a <8 x i16> shift and zero out the bits where zeros should've been shifted in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143315 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/x86-shifts.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors