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Add proper register aliases

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75999 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2009-07-16 14:12:54 +00:00
parent c3a5196133
commit 54cea741ca
2 changed files with 24 additions and 20 deletions
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lib/Target/SystemZ/SystemZInstrInfo.cpp
+2 -2
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@@ -149,8 +149,6 @@ bool
SystemZInstrInfo::isMoveInstr(const MachineInstr& MI,
unsigned &SrcReg, unsigned &DstReg,
unsigned &SrcSubIdx, unsigned &DstSubIdx) const {
SrcSubIdx = DstSubIdx = 0; // No sub-registers yet.
switch (MI.getOpcode()) {
default:
return false;
@@ -164,6 +162,8 @@ SystemZInstrInfo::isMoveInstr(const MachineInstr& MI,
"invalid register-register move instruction");
SrcReg = MI.getOperand(1).getReg();
DstReg = MI.getOperand(0).getReg();
SrcSubIdx = MI.getOperand(1).getSubReg();
DstSubIdx = MI.getOperand(0).getSubReg();
return true;
}
}