CellSPU: Fix bug 3055

- Add v4f32, v2f64 to LowerVECTOR_SHUFFLE
- Look for vector rotate in shuffle elements, generate a vector rotate
  instead of a full-blown shuffle when opportunity presents itself.
- Generate larger test harness and fix a few interesting but obscure bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60552 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp

@@ -221,7 +221,6 @@ namespace {
 
     void printPCRelativeOperand(const MachineInstr *MI, unsigned OpNo) {
       printOp(MI->getOperand(OpNo));
-      O << "-.";
     }
 
     void printSymbolHi(const MachineInstr *MI, unsigned OpNo) {