setOperationAction(ISD::CTLZ , MVT::i64 , Expand);
setOperationAction(ISD::ROTL , MVT::i64 , Expand);
setOperationAction(ISD::ROTR , MVT::i64 , Expand);
+ setOperationAction(ISD::BSWAP, MVT::i64 , Expand); // mux @rev
+
+ setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
+ setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
+ setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
+
+ setStackPointerRegisterToSaveRestore(IA64::r12);
computeRegisterProperties();
addLegalFPImmediate(+1.0);
}
+const char *IA64TargetLowering::getTargetNodeName(unsigned Opcode) const {
+ switch (Opcode) {
+ default: return 0;
+ case IA64ISD::GETFD: return "IA64ISD::GETFD";
+ case IA64ISD::BRCALL: return "IA64ISD::BRCALL";
+ }
+}
+
+
/// isFloatingPointZero - Return true if this is 0.0 or -0.0.
static bool isFloatingPointZero(SDOperand Op) {
if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Op))
// save the current GP, SP and RP : FIXME: do we need to do all 3 always?
SDOperand GPBeforeCall = DAG.getCopyFromReg(Chain, IA64::r1, MVT::i64, InFlag);
- Chain = GPBeforeCall;
- InFlag = Chain.getValue(1);
+ Chain = GPBeforeCall.getValue(1);
+ InFlag = Chain.getValue(2);
SDOperand SPBeforeCall = DAG.getCopyFromReg(Chain, IA64::r12, MVT::i64, InFlag);
- Chain = SPBeforeCall;
- InFlag = Chain.getValue(1);
+ Chain = SPBeforeCall.getValue(1);
+ InFlag = Chain.getValue(2);
SDOperand RPBeforeCall = DAG.getCopyFromReg(Chain, IA64::rp, MVT::i64, InFlag);
- Chain = RPBeforeCall;
- InFlag = Chain.getValue(1);
+ Chain = RPBeforeCall.getValue(1);
+ InFlag = Chain.getValue(2);
// Build a sequence of copy-to-reg nodes chained together with token chain
// and flag operands which copy the outgoing integer args into regs out[0-7]
// know this is required (i.e. for varardic or external (unknown) functions)
// first to the FP->(integer representation) conversions, these are
- // free-floating
+ // flagged for now, but shouldn't have to be (TODO)
unsigned seenConverts = 0;
for (unsigned i = 0, e = RegValuesToPass.size(); i != e; ++i) {
if(MVT::isFloatingPoint(RegValuesToPass[i].getValueType())) {
- Chain = DAG.getCopyToReg(Chain, IntArgRegs[i], Converts[seenConverts++]);
+ Chain = DAG.getCopyToReg(Chain, IntArgRegs[i], Converts[seenConverts++], InFlag);
+ InFlag = Chain.getValue(1);
}
}
// emit the call itself
if (InFlag.Val)
CallOperands.push_back(InFlag);
+ else
+ assert(0 && "this should never happen!\n");
/* out with the old...
Chain = SDOperand(DAG.getCall(NodeTys, Chain, Callee, InFlag), 0);
SDOperand RetVal;
if (RetTyVT != MVT::isVoid) {
switch (RetTyVT) {
- default: // assert(0 && "Unknown value type to return!");
+ default: assert(0 && "Unknown value type to return!");
case MVT::i1: { // bools are just like other integers (returned in r8)
SDOperand boolInR8 = DAG.getCopyFromReg(Chain, IA64::r8, MVT::i64, InFlag);
InFlag = boolInR8.getValue(2);
RetVal = DAG.getCopyFromReg(Chain, IA64::r8, MVT::i64, InFlag);
Chain = RetVal.getValue(1);
- // Add a note to keep track of whether it is sign or zero extended - TODO: bools
+ // keep track of whether it is sign or zero extended (todo: bools?)
RetVal = DAG.getNode(RetTy->isSigned() ? ISD::AssertSext :ISD::AssertZext,
MVT::i64, RetVal, DAG.getValueType(RetTyVT));
RetVal = DAG.getNode(ISD::TRUNCATE, RetTyVT, RetVal);
case MVT::i64:
RetVal = DAG.getCopyFromReg(Chain, IA64::r8, MVT::i64, InFlag);
Chain = RetVal.getValue(1);
+ InFlag = RetVal.getValue(2); // XXX dead
+ break;
+ case MVT::f32:
+ RetVal = DAG.getCopyFromReg(Chain, IA64::F8, MVT::f64, InFlag);
+ Chain = RetVal.getValue(1);
+ RetVal = DAG.getNode(ISD::TRUNCATE, MVT::f32, RetVal);
break;
case MVT::f64:
RetVal = DAG.getCopyFromReg(Chain, IA64::F8, MVT::f64, InFlag);
Chain = RetVal.getValue(1);
+ InFlag = RetVal.getValue(2); // XXX dead
break;
}
}