strict aliasing in SPU land

/Volumes/mrs5/net/llvm/llvm/llvm/lib/Target/CellSPU/SPUISelDAGToDAG.cpp: In function 'bool<unnamed>::isFPS16Immediate(llvm::ConstantFPSDNode*, short int&)':
/Volumes/mrs5/net/llvm/llvm/llvm/lib/Target/CellSPU/SPUISelDAGToDAG.cpp:141: warning: dereferencing type-punned pointer will break strict-aliasing rules
In file included from /Volumes/mrs5/net/llvm/llvm/llvm/lib/Target/CellSPU/SPUISelDAGToDAG.cpp:312:
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc: In member function 'llvm::SDOperand SPUDAGToDAGISel::Transform_LO16_f32(llvm::SDNode*)':
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc:225: warning: dereferencing type-punned pointer will break strict-aliasing rules
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc: In member function 'llvm::SDOperand SPUDAGToDAGISel::Transform_HI16_f32(llvm::SDNode*)':
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc:266: warning: dereferencing type-punned pointer will break strict-aliasing rules
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc: In member function 'llvm::SDOperand SPUDAGToDAGISel::Transform_FPimm_u18(llvm::SDNode*)':
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc:281: warning: dereferencing type-punned pointer will break strict-aliasing rules
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc: In member function 'llvm::SDOperand SPUDAGToDAGISel::Transform_FPimm_sext16(llvm::SDNode*)':
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc:290: warning: dereferencing type-punned pointer will break strict-aliasing rules
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc: In member function 'bool SPUDAGToDAGISel::Predicate_fpimm18(llvm::SDNode*)':
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc:356: warning: dereferencing type-punned pointer will break strict-aliasing rules
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc: In member function 'bool SPUDAGToDAGISel::Predicate_hi16_f32(llvm::SDNode*)':
/Volumes/mrs5/net/llvm/llvm/build/lib/Target/CellSPU/SPUGenDAGISel.inc:389: warning: dereferencing type-punned pointer will break strict-aliasing rules

:slight_smile:

This should fix it, please verify:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071210/056377.html

-Chris