Fix va_arg to generate LDDFi for floating point values, instead of LDXi.
All non-FP cases use LDXi as before.
llvm-svn: 7765
diff --git a/llvm/lib/Target/Sparc/SparcInstrSelection.cpp b/llvm/lib/Target/Sparc/SparcInstrSelection.cpp
index 2bc9f83..970c5fd 100644
--- a/llvm/lib/Target/Sparc/SparcInstrSelection.cpp
+++ b/llvm/lib/Target/Sparc/SparcInstrSelection.cpp
@@ -2807,13 +2807,15 @@
case 64: // reg: Phi(reg,reg)
break; // don't forward the value
- case 65: // reg: VaArg(reg)
+ case 65: // reg: VaArg(reg): the va_arg instruction
{
// Use value initialized by va_start as pointer to args on the stack.
// Load argument via current pointer value, then increment pointer.
int argSize = target.getFrameInfo().getSizeOfEachArgOnStack();
Instruction* vaArgI = subtreeRoot->getInstruction();
- mvec.push_back(BuildMI(V9::LDXi, 3).addReg(vaArgI->getOperand(0)).
+ MachineOpCode loadOp = vaArgI->getType()->isFloatingPoint()? V9::LDDFi
+ : V9::LDXi;
+ mvec.push_back(BuildMI(loadOp, 3).addReg(vaArgI->getOperand(0)).
addSImm(0).addRegDef(vaArgI));
mvec.push_back(BuildMI(V9::ADDi, 3).addReg(vaArgI->getOperand(0)).
addSImm(argSize).addRegDef(vaArgI->getOperand(0)));