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Add CC operand as 4th operand of SUBcc, and mark it as a def.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2001-08-06 21:06:10 +00:00
parent 6a0c6d82a9
commit 98a9c979e2
1 changed files with 5 additions and 6 deletions
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11
lib/CodeGen/TargetMachine/Sparc/SparcInstrSelection.cpp
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@ -479,12 +479,11 @@ GetInstructionsByRule(InstructionNode* subtreeRoot,
mvec[0] = new MachineInstr(SUBcc); mvec[0] = new MachineInstr(SUBcc);
Set3OperandsFromInstr(mvec[0], subtreeRoot, target, discardResult); Set3OperandsFromInstr(mvec[0], subtreeRoot, target, discardResult);
if (discardResult) // mark the 4th operand as being a CC register, and a "result"
{// mark the "result" operand as being a CC register mvec[0]->SetMachineOperand(3, MachineOperand::MO_CCRegister,
mvec[0]->SetMachineOperand(2, MachineOperand::MO_CCRegister, subtreeRoot->getValue(), /*def*/ true);
subtreeRoot->getValue());
} if (!discardResult)
else
{ // recompute bool if needed, using the integer condition codes { // recompute bool if needed, using the integer condition codes
if (result->getOpcode() == Instruction::SetNE) if (result->getOpcode() == Instruction::SetNE)
discardResult = true; discardResult = true;