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);
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