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[mips] When double precision loads and stores are split into two i32 loads and

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stores, make sure the load or store that accesses the higher half does not have
an alignment that is larger than the offset from the original address.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190318 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2013-09-09 17:59:32 +00:00
parent 54cf1413ac
commit 2dd3afc5e6
1 changed files with 3 additions and 3 deletions
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6
lib/Target/Mips/MipsSEISelLowering.cpp
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@ -645,7 +645,7 @@ SDValue MipsSETargetLowering::lowerLOAD(SDValue Op, SelectionDAG &DAG) const {
SDValue Hi = DAG.getLoad(MVT::i32, DL, Lo.getValue(1), Ptr,
MachinePointerInfo(), Nd.isVolatile(),
Nd.isNonTemporal(), Nd.isInvariant(),
Nd.getAlignment());
std::min(Nd.getAlignment(), 4U));
if (!Subtarget->isLittle())
std::swap(Lo, Hi);
@ -681,8 +681,8 @@ SDValue MipsSETargetLowering::lowerSTORE(SDValue Op, SelectionDAG &DAG) const {
// i32 store to higher address.
Ptr = DAG.getNode(ISD::ADD, DL, PtrVT, Ptr, DAG.getConstant(4, PtrVT));
return DAG.getStore(Chain, DL, Hi, Ptr, MachinePointerInfo(),
Nd.isVolatile(), Nd.isNonTemporal(), Nd.getAlignment(),
Nd.getTBAAInfo());
Nd.isVolatile(), Nd.isNonTemporal(),
std::min(Nd.getAlignment(), 4U), Nd.getTBAAInfo());
}
SDValue MipsSETargetLowering::lowerMulDiv(SDValue Op, unsigned NewOpc,