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Support most cases of vaarg (except double). 

llvm-svn: 18055
This commit is contained in:
Brian Gaeke 2004-11-20 22:50:42 +00:00
parent a45e7c40d4
commit a8ea7d9cdb
1 changed files with 28 additions and 1 deletions
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29
llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp
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@ -1401,5 +1401,32 @@ void V8ISel::visitVANextInst (VANextInst &I) {
}
void V8ISel::visitVAArgInst (VAArgInst &I) {
std::cerr << "Sorry, vaarg instruction still unsupported:\n" << I; abort ();
unsigned VAList = getReg (I.getOperand (0));
unsigned DestReg = getReg (I);
switch (I.getType ()->getTypeID ()) {
case Type::PointerTyID:
case Type::UIntTyID:
case Type::IntTyID:
BuildMI (BB, V8::LD, 2, DestReg).addReg (VAList).addSImm (0);
return;
case Type::ULongTyID:
case Type::LongTyID:
BuildMI (BB, V8::LD, 2, DestReg).addReg (VAList).addSImm (0);
BuildMI (BB, V8::LD, 2, DestReg+1).addReg (VAList).addSImm (4);
return;
case Type::FloatTyID:
BuildMI (BB, V8::LDFri, 2, DestReg).addReg (VAList).addSImm (0);
return;
case Type::DoubleTyID:
default:
std::cerr << "Sorry, vaarg instruction of this type still unsupported:\n"
<< I;
abort ();
return;
}
}