Support intrinsic calls (although no particular intrinsics are supported yet).
Support indirect calls.
Support returning a float value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14223 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/InstSelectSimple.cpp b/lib/Target/Sparc/InstSelectSimple.cpp
index 43e2ead..e86e25b9 100644
--- a/lib/Target/Sparc/InstSelectSimple.cpp
+++ b/lib/Target/Sparc/InstSelectSimple.cpp
@@ -554,6 +554,16 @@
}
void V8ISel::visitCallInst(CallInst &I) {
+ MachineInstr *TheCall;
+ // Is it an intrinsic function call?
+ if (Function *F = I.getCalledFunction()) {
+ if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID()) {
+ visitIntrinsicCall(ID, I); // Special intrinsics are not handled here
+ return;
+ }
+ }
+
+ // Deal with args
assert (I.getNumOperands () < 8
&& "Can't handle pushing excess call args on the stack yet");
static const unsigned OutgoingArgRegs[] = { V8::O0, V8::O1, V8::O2, V8::O3,
@@ -566,19 +576,27 @@
.addReg (ArgReg);
}
- assert (I.getCalledFunction() && "don't know what to do with NULL function!");
- BuildMI (BB, V8::CALL, 1).addGlobalAddress(I.getCalledFunction (), true);
+ // Emit call instruction
+ if (Function *F = I.getCalledFunction ()) {
+ BuildMI (BB, V8::CALL, 1).addGlobalAddress (F, true);
+ } else { // Emit an indirect call...
+ unsigned Reg = getReg (I.getCalledValue ());
+ BuildMI (BB, V8::JMPLrr, 3, V8::O7).addReg (Reg).addReg (V8::G0);
+ }
+
+ // Deal w/ return value: schlep it over into the destination register
if (I.getType () == Type::VoidTy)
return;
unsigned DestReg = getReg (I);
- // Deal w/ return value
switch (getClass (I.getType ())) {
case cByte:
case cShort:
case cInt:
- // Schlep it over into the destination register
BuildMI (BB, V8::ORrr, 2, DestReg).addReg(V8::G0).addReg(V8::O0);
break;
+ case cFloat:
+ BuildMI (BB, V8::FMOVS, 2, DestReg).addReg(V8::F0);
+ break;
default:
std::cerr << "Return type of call instruction not handled: " << I;
abort ();