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The flag modifications weren't picking up the old values of the

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flags before. Save them in a temporary variable, then restore them from the
temporary after creating the new constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6520 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2003-06-02 02:10:31 +00:00
parent d5af63f325
commit 24a26e58ef
1 changed files with 10 additions and 5 deletions
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15
lib/ExecutionEngine/JIT/SparcEmitter.cpp
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@ -106,13 +106,18 @@ void SparcEmitter::finishFunction(MachineFunction &F) {
// Location is the target of the branch
// Ref is the location of the instruction, and hence the PC
unsigned branchTarget = (Location - (long)Ref) >> 2;
// Save the flags.
bool loBits32=false, hiBits32=false, loBits64=false, hiBits64=false;
if (op.opLoBits32()) { loBits32=true; }
if (op.opHiBits32()) { hiBits32=true; }
if (op.opLoBits64()) { loBits64=true; }
if (op.opHiBits64()) { hiBits64=true; }
MI->SetMachineOperandConst(ii, MachineOperand::MO_SignExtendedImmed,
branchTarget);
// Copy the flags.
if (op.opLoBits32()) { MI->setOperandLo32(ii); }
else if (op.opHiBits32()) { MI->setOperandHi32(ii); }
else if (op.opLoBits64()) { MI->setOperandLo64(ii); }
else if (op.opHiBits64()) { MI->setOperandHi64(ii); }
if (loBits32) { MI->setOperandLo32(ii); }
else if (hiBits32) { MI->setOperandHi32(ii); }
else if (loBits64) { MI->setOperandLo64(ii); }
else if (hiBits64) { MI->setOperandHi64(ii); }
std::cerr << "Rewrote BB ref: ";
unsigned fixedInstr = SparcV9CodeEmitter::getBinaryCodeForInstr(*MI);
*Ref = fixedInstr;