- unsigned numBits = BI->getNumBits();
-
- SmallVector<Init *, 16> NewBits(numBits);
-
- for (unsigned bit = 0, end = numBits / 2; bit != end; ++bit) {
- unsigned bitSwapIdx = numBits - bit - 1;
- Init *OrigBit = BI->getBit(bit);
- Init *BitSwap = BI->getBit(bitSwapIdx);
- NewBits[bit] = BitSwap;
- NewBits[bitSwapIdx] = OrigBit;
- }
- if (numBits % 2) {
- unsigned middle = (numBits + 1) / 2;
- NewBits[middle] = BI->getBit(middle);
- }
+ void run(raw_ostream &o);
+private:
+ int getVariableBit(const std::string &VarName, BitsInit *BI, int bit);
+ std::string getInstructionCase(Record *R, CodeGenTarget &Target);
+ void AddCodeToMergeInOperand(Record *R, BitsInit *BI,
+ const std::string &VarName,
+ unsigned &NumberedOp,
+ std::set<unsigned> &NamedOpIndices,
+ std::string &Case, CodeGenTarget &Target);