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Support building non-PIC

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Remove the LoadHiAddr pseudo-instruction.
Optimization of stores to and loads from statics.
Force JIT to use new non-PIC codepaths.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22494 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman
2005-07-21 20:44:43 +00:00
parent 2130c08930
commit 2497e6391f
8 changed files with 179 additions and 123 deletions
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10
lib/Target/PowerPC/PPC64ISelPattern.cpp
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@@ -563,7 +563,7 @@ unsigned ISel::getConstDouble(double doubleVal, unsigned Result=0) {
MachineConstantPool *CP = BB->getParent()->getConstantPool();
ConstantFP *CFP = ConstantFP::get(Type::DoubleTy, doubleVal);
unsigned CPI = CP->getConstantPoolIndex(CFP);
BuildMI(BB, PPC::LOADHiAddr, 2, Tmp1).addReg(getGlobalBaseReg())
BuildMI(BB, PPC::ADDIS, 2, Tmp1).addReg(getGlobalBaseReg())
.addConstantPoolIndex(CPI);
BuildMI(BB, PPC::LFD, 2, Result).addConstantPoolIndex(CPI).addReg(Tmp1);
return Result;
@@ -909,7 +909,7 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
// Load constant fp value
unsigned Tmp4 = MakeReg(MVT::i32);
unsigned TmpL = MakeReg(MVT::i32);
BuildMI(BB, PPC::LOADHiAddr, 2, Tmp4).addReg(getGlobalBaseReg())
BuildMI(BB, PPC::ADDIS, 2, Tmp4).addReg(getGlobalBaseReg())
.addConstantPoolIndex(CPI);
BuildMI(BB, PPC::LFD, 2, ConstF).addConstantPoolIndex(CPI).addReg(Tmp4);
// Store the hi & low halves of the fp value, currently in int regs
@@ -1002,7 +1002,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
case ISD::ConstantPool:
Tmp1 = cast<ConstantPoolSDNode>(N)->getIndex();
Tmp2 = MakeReg(MVT::i64);
BuildMI(BB, PPC::LOADHiAddr, 2, Tmp2).addReg(getGlobalBaseReg())
BuildMI(BB, PPC::ADDIS, 2, Tmp2).addReg(getGlobalBaseReg())
.addConstantPoolIndex(Tmp1);
BuildMI(BB, PPC::LA, 2, Result).addReg(Tmp2).addConstantPoolIndex(Tmp1);
return Result;
@@ -1015,7 +1015,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
case ISD::GlobalAddress: {
GlobalValue *GV = cast<GlobalAddressSDNode>(N)->getGlobal();
Tmp1 = MakeReg(MVT::i64);
BuildMI(BB, PPC::LOADHiAddr, 2, Tmp1).addReg(getGlobalBaseReg())
BuildMI(BB, PPC::ADDIS, 2, Tmp1).addReg(getGlobalBaseReg())
.addGlobalAddress(GV);
if (GV->hasWeakLinkage() || GV->isExternal()) {
BuildMI(BB, PPC::LD, 2, Result).addGlobalAddress(GV).addReg(Tmp1);
@@ -1057,7 +1057,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
if (ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(Address)) {
Tmp1 = MakeReg(MVT::i64);
int CPI = CP->getIndex();
BuildMI(BB, PPC::LOADHiAddr, 2, Tmp1).addReg(getGlobalBaseReg())
BuildMI(BB, PPC::ADDIS, 2, Tmp1).addReg(getGlobalBaseReg())
.addConstantPoolIndex(CPI);
BuildMI(BB, Opc, 2, Result).addConstantPoolIndex(CPI).addReg(Tmp1);
}