[llvm-commits] [llvm] r44740 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp

[Chris Lattner]

Author: lattner
Date: Sun Dec  9 11:56:34 2007
New Revision: 44740

URL: http://llvm.org/viewvc/llvm-project?rev=44740&view=rev
Log:
Duncan points out that the subtraction is unneeded since hte code
knows the vector is not pow2

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp?rev=44740&r1=44739&r2=44740&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp Sun Dec  9 11:56:34 2007
@@ -27,7 +27,7 @@
     NumElements >>= 1;
     Lo = Hi =  MVT::getVectorType(NewEltVT, NumElements);
   } else {                                     // Non-power-of-two vectors.
-    unsigned NewNumElts_Lo = 1 << Log2_32(NumElements-1);
+    unsigned NewNumElts_Lo = 1 << Log2_32(NumElements);
     unsigned NewNumElts_Hi = NumElements - NewNumElts_Lo;
     Lo = MVT::getVectorType(NewEltVT, NewNumElts_Lo);
     Hi = MVT::getVectorType(NewEltVT, NewNumElts_Hi);