Mips::A0, Mips::A1, Mips::A2, Mips::A3
};
+// Return next O32 integer argument register.
+static unsigned getNextIntArgReg(unsigned Reg) {
+ assert((Reg == Mips::A0) || (Reg == Mips::A2));
+ return (Reg == Mips::A0) ? Mips::A1 : Mips::A3;
+}
+
// Write ByVal Arg to arg registers and stack.
static void
WriteByValArg(SDValue& ByValChain, SDValue Chain, DebugLoc dl,
Arg, DAG.getConstant(1, MVT::i32));
if (!Subtarget->isLittle())
std::swap(Lo, Hi);
- RegsToPass.push_back(std::make_pair(VA.getLocReg(), Lo));
- RegsToPass.push_back(std::make_pair(VA.getLocReg()+1, Hi));
+ unsigned LocRegLo = VA.getLocReg();
+ unsigned LocRegHigh = getNextIntArgReg(LocRegLo);
+ RegsToPass.push_back(std::make_pair(LocRegLo, Lo));
+ RegsToPass.push_back(std::make_pair(LocRegHigh, Hi));
continue;
}
}
ArgValue = DAG.getNode(ISD::BITCAST, dl, MVT::f32, ArgValue);
if (RegVT == MVT::i32 && VA.getValVT() == MVT::f64) {
unsigned Reg2 = AddLiveIn(DAG.getMachineFunction(),
- VA.getLocReg()+1, RC);
+ getNextIntArgReg(ArgReg), RC);
SDValue ArgValue2 = DAG.getCopyFromReg(Chain, dl, Reg2, RegVT);
if (!Subtarget->isLittle())
std::swap(ArgValue, ArgValue2);