Nate Begeman
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e066d68eb4
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Add testcase for legalizing ISD::CTTZ efficiently. On PPC, ctlz(int) is
now codegen'd as this:
addi r2, r3, -1
andc r2, r2, r3
cntlzw r2, r2
subfic r3, r2, 32
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21881 91177308-0d34-0410-b5e6-96231b3b80d8
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2005-05-11 23:45:54 +00:00 |
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