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X86: Shave off one shuffle from the pcmpeqq sequence for SSE2 by making use of and...
authorBenjamin Kramer <benny.kra@googlemail.com>
Tue, 25 Dec 2012 13:09:08 +0000 (13:09 +0000)
committerBenjamin Kramer <benny.kra@googlemail.com>
Tue, 25 Dec 2012 13:09:08 +0000 (13:09 +0000)
commit99f78061e05833e815cb7a27e6c17eadcd028ce2
treed6502369e0613e1de4916eef8f56870a3a651da5tree | snapshot
parent382ed78d3fef9f6c582e3cdcfb30f8c6fa3d0d79commit | diff
X86: Shave off one shuffle from the pcmpeqq sequence for SSE2 by making use of and commutativity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171064 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/vec_compare.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors