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Fix float to int codepath by always allocating 8 bytes for the target of a double store; optimize cmplwi generation.

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llvm-svn: 15759
This commit is contained in:
Nate Begeman 2004-08-15 06:42:28 +00:00
parent caa4f4a263
commit 2751f754b5
1 changed files with 9 additions and 6 deletions
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15
lib/Target/PowerPC/PPC32ISelSimple.cpp
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@ -1005,9 +1005,10 @@ unsigned ISel::EmitComparison(unsigned OpNum, Value *Op0, Value *Op1,
if (ConstantInt *CI = dyn_cast<ConstantInt>(Op1)) {
if (Class == cByte || Class == cShort || Class == cInt) {
unsigned Op1v = CI->getRawValue() & 0xFFFF;
unsigned OpClass = (CompTy->isSigned()) ? 0 : 2;
// Treat compare like ADDI for the purposes of immediate suitability
if (canUseAsImmediateForOpcode(CI, 0)) {
if (canUseAsImmediateForOpcode(CI, OpClass)) {
BuildMI(*MBB, IP, OpcodeImm, 2, PPC::CR0).addReg(Op0r).addSImm(Op1v);
} else {
unsigned Op1r = getReg(Op1, MBB, IP);
@ -1587,7 +1588,7 @@ void ISel::doCall(const ValueRecord &Ret, MachineInstr *CallMI,
} else {
BuildMI(BB, PPC::ADJCALLSTACKDOWN, 1).addImm(0);
}
BuildMI(BB, PPC::IMPLICIT_DEF, 0, PPC::LR);
BB->push_back(CallMI);
@ -1636,8 +1637,10 @@ void ISel::visitCallInst(CallInst &CI) {
TM.CalledFunctions.insert(F);
} else { // Emit an indirect call through the CTR
unsigned Reg = getReg(CI.getCalledValue());
BuildMI(BB, PPC::MTCTR, 1).addReg(Reg);
TheCall = BuildMI(PPC::CALLindirect, 2).addZImm(20).addZImm(0);
BuildMI(BB, PPC::OR, 2, PPC::R12).addReg(Reg).addReg(Reg);
BuildMI(BB, PPC::MTCTR, 1).addReg(PPC::R12);
TheCall = BuildMI(PPC::CALLindirect, 2).addZImm(20).addZImm(0)
.addReg(PPC::R12);
}
std::vector<ValueRecord> Args;
@ -2780,7 +2783,7 @@ void ISel::emitCastOperation(MachineBasicBlock *MBB,
}
int ValueFrameIdx =
F->getFrameInfo()->CreateStackObject(SrcTy, TM.getTargetData());
F->getFrameInfo()->CreateStackObject(Type::DoubleTy, TM.getTargetData());
if (DestTy->isSigned()) {
unsigned TempReg = makeAnotherReg(Type::DoubleTy);