- std::vector<SDOperand> CallOperands;
- std::vector<MVT::ValueType> TypeOperands;
-
- //grab the arguments
- for(int i = 2, e = N->getNumOperands(); i < e; ++i) {
- TypeOperands.push_back(N->getOperand(i).getValueType());
- CallOperands.push_back(Select(N->getOperand(i)));
- }
- int count = N->getNumOperands() - 2;
-
- static const unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18,
- Alpha::R19, Alpha::R20, Alpha::R21};
- static const unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18,
- Alpha::F19, Alpha::F20, Alpha::F21};
-
- for (int i = 6; i < count; ++i) {
- unsigned Opc = Alpha::WTF;
- if (MVT::isInteger(TypeOperands[i])) {
- Opc = Alpha::STQ;
- } else if (TypeOperands[i] == MVT::f32) {
- Opc = Alpha::STS;
- } else if (TypeOperands[i] == MVT::f64) {
- Opc = Alpha::STT;
- } else
- assert(0 && "Unknown operand");
- Chain = CurDAG->getTargetNode(Opc, MVT::Other, CallOperands[i],
- getI64Imm((i - 6) * 8),
- CurDAG->getCopyFromReg(Chain, Alpha::R30, MVT::i64),
- Chain);
- }
- for (int i = 0; i < std::min(6, count); ++i) {
- if (MVT::isInteger(TypeOperands[i])) {
- Chain = CurDAG->getCopyToReg(Chain, args_int[i], CallOperands[i], InFlag);
- InFlag = Chain.getValue(1);
- } else if (TypeOperands[i] == MVT::f32 || TypeOperands[i] == MVT::f64) {
- Chain = CurDAG->getCopyToReg(Chain, args_float[i], CallOperands[i], InFlag);
- InFlag = Chain.getValue(1);
- } else
- assert(0 && "Unknown operand");
- }
-
-
- // Finally, once everything is in registers to pass to the call, emit the
- // call itself.