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on ppc64, float arguments take 8-byte stack slots not 4-byte stack slots. 

Also, valist should create a pointer RC reg class value, not a GPRC value.

llvm-svn: 31840
This commit is contained in:
Chris Lattner 2006-11-18 01:57:19 +00:00
parent 572e238c14
commit 2cca385fbb
1 changed files with 8 additions and 3 deletions
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11
llvm/lib/Target/PowerPC/PPCISelLowering.cpp
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@ -1155,13 +1155,13 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
case MVT::f32:
case MVT::f64:
// All FP arguments reserve stack space.
ArgOffset += ObjSize;
ArgOffset += isPPC64 ? 8 : ObjSize;
// Every 4 bytes of argument space consumes one of the GPRs available for
// argument passing.
if (GPR_idx != Num_GPR_Regs) {
++GPR_idx;
if (ObjSize == 8 && GPR_idx != Num_GPR_Regs)
if (ObjSize == 8 && GPR_idx != Num_GPR_Regs && !isPPC64)
++GPR_idx;
}
if (FPR_idx != Num_FPR_Regs) {
@ -1226,7 +1226,12 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
// result of va_next.
SmallVector<SDOperand, 8> MemOps;
for (; GPR_idx != Num_GPR_Regs; ++GPR_idx) {
unsigned VReg = RegMap->createVirtualRegister(&PPC::GPRCRegClass);
unsigned VReg;
if (isPPC64)
VReg = RegMap->createVirtualRegister(&PPC::G8RCRegClass);
else
VReg = RegMap->createVirtualRegister(&PPC::GPRCRegClass);
MF.addLiveIn(GPR[GPR_idx], VReg);
SDOperand Val = DAG.getCopyFromReg(Root, VReg, PtrVT);
SDOperand Store = DAG.getStore(Val.getValue(1), Val, FIN, NULL, 0);