It's setting up the call args right now, but on the callee side, it's
trying to get incoming args off the stack, instead of the %i0...%i6 regs,
which is wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12756 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/InstSelectSimple.cpp b/lib/Target/Sparc/InstSelectSimple.cpp
index cd847bf..48a101a 100644
--- a/lib/Target/Sparc/InstSelectSimple.cpp
+++ b/lib/Target/Sparc/InstSelectSimple.cpp
@@ -254,7 +254,18 @@
}
void V8ISel::visitCallInst(CallInst &I) {
- assert (I.getNumOperands () == 1 && "Can't handle call args yet");
+ assert (I.getNumOperands () < 8
+ && "Can't handle pushing excess call args on the stack yet");
+ static const unsigned IncomingArgRegs[] = { V8::O0, V8::O1, V8::O2, V8::O3,
+ V8::O4, V8::O5 };
+ for (unsigned i = 1; i < 7; ++i)
+ if (i < I.getNumOperands ()) {
+ unsigned ArgReg = getReg (I.getOperand (i));
+ // Schlep it over into the incoming arg register
+ BuildMI (BB, V8::ORrr, 2, IncomingArgRegs[i]).addReg (V8::G0)
+ .addReg (ArgReg);
+ }
+
unsigned DestReg = getReg (I);
BuildMI (BB, V8::CALL, 1).addPCDisp (I.getOperand (0));
if (I.getType ()->getPrimitiveID () == Type::VoidTyID)
@@ -405,6 +416,7 @@
case Instruction::SetGT:
case Instruction::SetLE:
case Instruction::SetGE:
+ ;
}
// FIXME: We need either conditional moves like the V9 has (e.g. movge), or we