Target/SystemZ/SystemZISelLowering.cpp

1002 // value in CCMask and a 0 when CC has a value in CCValid & ~CCMask.
1003 // The handling of CC values outside CCValid doesn't matter.
1004 static IPMConversion getIPMConversion(unsigned CCValid, unsigned CCMask) {
1007   if (CCMask == (CCValid & (SystemZ::CCMASK_1 | SystemZ::CCMASK_3)))
1009   if (CCMask == (CCValid & (SystemZ::CCMASK_2 | SystemZ::CCMASK_3)))
1020   if (CCMask == (CCValid & SystemZ::CCMASK_0))
1022   if (CCMask == (CCValid & (SystemZ::CCMASK_0 | SystemZ::CCMASK_1)))
1024   if (CCMask == (CCValid & (SystemZ::CCMASK_0
1028   if (CCMask == (CCValid & SystemZ::CCMASK_3))
1030   if (CCMask == (CCValid & (SystemZ::CCMASK_1
1037   if (CCMask == (CCValid & (SystemZ::CCMASK_0 | SystemZ::CCMASK_2)))
1042   if (CCMask == (CCValid & (SystemZ::CCMASK_1 | SystemZ::CCMASK_2)))
1044   if (CCMask == (CCValid & (SystemZ::CCMASK_0 | SystemZ::CCMASK_3)))
1050   if (CCMask == (CCValid & SystemZ::CCMASK_1))
1052   if (CCMask == (CCValid & SystemZ::CCMASK_2))
1055   if (CCMask == (CCValid & (SystemZ::CCMASK_0
1059   if (CCMask == (CCValid & (SystemZ::CCMASK_0
1346 // tested is as described by CCValid and CCMask.  Update the arguments
1350                                    unsigned &CCValid, unsigned &CCMask,
1402   CCValid = SystemZ::CCMASK_TM;
1407 // 2-bit result in CC.  Set CCValid to the CCMASK_* of all possible
1412                        ISD::CondCode Cond, unsigned &CCValid,
1418     CCValid = SystemZ::CCMASK_FCMP;
1422     CCValid = SystemZ::CCMASK_ICMP;
1423     CCMask &= CCValid;
1450   adjustForTestUnderMask(DAG, Opcode, CmpOp0, CmpOp1, CCValid, CCMask,
1496   unsigned CCValid, CCMask;
1497   SDValue Glue = emitCmp(TM, DAG, DL, CmpOp0, CmpOp1, CC, CCValid, CCMask);
1499   IPMConversion Conversion = getIPMConversion(CCValid, CCMask);
1527   unsigned CCValid, CCMask;
1528   SDValue Flags = emitCmp(TM, DAG, DL, CmpOp0, CmpOp1, CC, CCValid, CCMask);
1530                      Chain, DAG.getConstant(CCValid, MVT::i32),
1543   unsigned CCValid, CCMask;
1544   SDValue Flags = emitCmp(TM, DAG, DL, CmpOp0, CmpOp1, CC, CCValid, CCMask);
1549   Ops.push_back(DAG.getConstant(CCValid, MVT::i32));
2289   unsigned CCValid  = MI->getOperand(3).getImm();
2302     .addImm(CCValid).addImm(CCMask).addMBB(JoinMBB);
2338   unsigned CCValid    = MI->getOperand(4).getImm();
2349       CCMask ^= CCValid;
2352       .addImm(CCValid).addImm(CCMask);
2359     CCMask ^= CCValid;
2370     .addImm(CCValid).addImm(CCMask).addMBB(JoinMBB);