replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Remove int hack to allow unsigned numbers greater than 2^63 - 1... 

llvm-svn: 1483
This commit is contained in:
Vikram S. Adve 2001-12-15 00:33:36 +00:00
parent 485cabdb31
commit 8234b04143
1 changed files with 35 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
llvm/lib/Target/Sparc/SparcInstrInfo.cpp
View File

@ -26,7 +26,7 @@
static inline MachineInstr*
CreateIntSetInstruction(int64_t C, bool isSigned, Value* dest,
CreateIntSetInstruction(int64_t C, Value* dest,
vector<TmpInstruction*>& tempVec)
{
MachineInstr* minstr;
@ -43,12 +43,33 @@ CreateIntSetInstruction(int64_t C, bool isSigned, Value* dest,
/*isdef*/ true);
minstr->SetMachineOperand(2, MachineOperand::MO_VirtualRegister,dest);
}
if (isSigned)
else
{
minstr = new MachineInstr(SETSW);
minstr->SetMachineOperand(0, MachineOperand::MO_SignExtendedImmed, C);
minstr->SetMachineOperand(1, MachineOperand::MO_VirtualRegister, dest);
}
return minstr;
}
static inline MachineInstr*
CreateUIntSetInstruction(uint64_t C, Value* dest,
vector<TmpInstruction*>& tempVec)
{
MachineInstr* minstr;
if (C > (unsigned int) ~0)
{ // C does not fit in 32 bits
TmpInstruction* tmpReg =
new TmpInstruction(Instruction::UserOp1, Type::IntTy, NULL, NULL);
tempVec.push_back(tmpReg);
minstr = new MachineInstr(SETX);
minstr->SetMachineOperand(0, MachineOperand::MO_SignExtendedImmed, C);
minstr->SetMachineOperand(1, MachineOperand::MO_VirtualRegister, tmpReg,
/*isdef*/ true);
minstr->SetMachineOperand(2, MachineOperand::MO_VirtualRegister,dest);
}
else
{
minstr = new MachineInstr(SETUW);
@ -105,10 +126,18 @@ UltraSparcInstrInfo::CreateCodeToLoadConst(Value* val,
if (valType->isIntegral() || valType == Type::BoolTy)
{
bool isValidConstant;
int64_t C = GetConstantValueAsSignedInt(val, isValidConstant);
assert(isValidConstant && "Unrecognized constant");
minstr = CreateIntSetInstruction(C, valType->isSigned(), dest, tempVec);
if (ConstantUInt* uval = dyn_cast<ConstantUInt>(val))
{
uint64_t C = uval->getValue();
minstr = CreateUIntSetInstruction(C, dest, tempVec);
}
else
{
bool isValidConstant;
int64_t C = GetConstantValueAsSignedInt(val, isValidConstant);
assert(isValidConstant && "Unrecognized constant");
minstr = CreateIntSetInstruction(C, dest, tempVec);
}
minstrVec.push_back(minstr);
}
else