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[SystemZ] Add comparisons of high words and memory

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191777 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford
2013-10-01 15:00:44 +00:00
parent 185ef05ad6
commit e22c56d6d8
8 changed files with 200 additions and 2 deletions
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8
lib/Target/SystemZ/SystemZInstrInfo.cpp
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@@ -974,6 +974,14 @@ SystemZInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
expandRIPseudo(MI, SystemZ::CLFI, SystemZ::CLIH, false);
return true;
case SystemZ::CMux:
expandRXYPseudo(MI, SystemZ::C, SystemZ::CHF);
return true;
case SystemZ::CLMux:
expandRXYPseudo(MI, SystemZ::CL, SystemZ::CLHF);
return true;
case SystemZ::RISBMux: {
bool DestIsHigh = isHighReg(MI->getOperand(0).getReg());
bool SrcIsHigh = isHighReg(MI->getOperand(2).getReg());