((VT == MVT::i64) ? &PPC::G8RCRegClass : &PPC::GPRCRegClass);
// If the constant is in range, use a load-immediate.
- if (UseSExt && isInt<16>(CI->getSExtValue())) {
+ // Since LI will sign extend the constant we need to make sure that for
+ // our zeroext constants that the sign extended constant fits into 16-bits -
+ // a range of 0..0x7fff.
+ if ((UseSExt && isInt<16>(CI->getSExtValue())) ||
+ (!UseSExt && isUInt<16>(CI->getSExtValue()))) {
unsigned Opc = (VT == MVT::i64) ? PPC::LI8 : PPC::LI;
unsigned ImmReg = createResultReg(RC);
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc), ImmReg)
.addImm(CI->getSExtValue());
return ImmReg;
- } else if (!UseSExt && isUInt<16>(CI->getSExtValue())) {
- // Since LI will sign extend the constant we need to make sure that for
- // our zeroext constants that the sign extended constant fits into 16-bits.
- unsigned Opc = (VT == MVT::i64) ? PPC::LI8 : PPC::LI;
- unsigned ImmReg = createResultReg(RC);
- BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc), ImmReg)
- .addImm(CI->getZExtValue());
- return ImmReg;
}
// Construct the constant piecewise.