[llvm-commits] [llvm] r53035 - in /llvm/trunk: include/llvm/CodeGen/SelectionDAG.h lib/CodeGen/SelectionDAG/LegalizeDAG.cpp lib/CodeGen/SelectionDAG/SelectionDAG.cpp lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/CellSPU/SPUISelLowering.cpp lib/Target/PowerPC/PPCISelLowering.cpp lib/Target/Sparc/SparcISelLowering.cpp lib/Target/X86/X86ISelLowering.cpp
duncan.sands at math.u-psud.fr
Mon Jul 7 05:05:36 CDT 2008
Hi Mon Ping,
> I ran into the problem when I was playing with "widening*" vector
> types. It is something I haven't submitted a patch for so my test
> case will not work for you at this point. What problem do you think
> will occur in LegalizeTypes? If you can let me know, I can do a quick
> look into it.
in LegalizeTypes.cpp you can find DAGTypeLegalizer::CreateStackStoreLoad.
It seems to me that the created stack object should have the best alignment
of the two types, in order to avoid unaligned loads/stores. I think the
right thing to do is to audit every use of CreateStackTemporary looking for
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