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Remove aligned/unaligned load/store fragments defined in MipsInstrInfo.td and

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use load/store fragments defined in TargetSelectionDAG.td in place of them.
Unaligned loads/stores are either expanded or lowered to target-specific nodes,
so instruction selection should see only aligned load/store nodes.

No changes in functionality.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163960 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2012-09-15 01:52:08 +00:00
parent 5974c31acb
commit 5a7dd43f04
6 changed files with 52 additions and 146 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
lib/Target/Mips/MipsCodeEmitter.cpp
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@ -218,15 +218,9 @@ unsigned MipsCodeEmitter::getMachineOpValue(const MachineInstr &MI,
return getMipsRegisterNumbering(MO.getReg());
else if (MO.isImm())
return static_cast<unsigned>(MO.getImm());
else if (MO.isGlobal()) {
if (MI.getOpcode() == Mips::ULW || MI.getOpcode() == Mips::USW ||
MI.getOpcode() == Mips::ULH || MI.getOpcode() == Mips::ULHu)
emitGlobalAddressUnaligned(MO.getGlobal(), getRelocation(MI, MO), 4);
else if (MI.getOpcode() == Mips::USH)
emitGlobalAddressUnaligned(MO.getGlobal(), getRelocation(MI, MO), 8);
else
emitGlobalAddress(MO.getGlobal(), getRelocation(MI, MO), true);
} else if (MO.isSymbol())
else if (MO.isGlobal())
emitGlobalAddress(MO.getGlobal(), getRelocation(MI, MO), true);
else if (MO.isSymbol())
emitExternalSymbolAddress(MO.getSymbolName(), getRelocation(MI, MO));
else if (MO.isCPI())
emitConstPoolAddress(MO.getIndex(), getRelocation(MI, MO));
@ -383,29 +377,8 @@ void MipsCodeEmitter::emitInstruction(const MachineInstr &MI) {
if ((MI.getDesc().TSFlags & MipsII::FormMask) == MipsII::Pseudo)
return;
switch (MI.getOpcode()) {
case Mips::USW:
NumEmitted += emitUSW(MI);
break;
case Mips::ULW:
NumEmitted += emitULW(MI);
break;
case Mips::ULH:
NumEmitted += emitULH(MI);
break;
case Mips::ULHu:
NumEmitted += emitULHu(MI);
break;
case Mips::USH:
NumEmitted += emitUSH(MI);
break;
default:
emitWordLE(getBinaryCodeForInstr(MI));
++NumEmitted; // Keep track of the # of mi's emitted
break;
}
emitWordLE(getBinaryCodeForInstr(MI));
++NumEmitted; // Keep track of the # of mi's emitted
MCE.processDebugLoc(MI.getDebugLoc(), false);
}