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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63199 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2009-01-28 14:42:54 +00:00
parent 1465d61bdd
commit 0b3aa26384
1 changed files with 5 additions and 8 deletions
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13
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -374,12 +374,9 @@ unsigned FunctionLoweringInfo::CreateRegForValue(const Value *V) {
/// larger then ValueVT then AssertOp can be used to specify whether the extra /// larger then ValueVT then AssertOp can be used to specify whether the extra
/// bits are known to be zero (ISD::AssertZext) or sign extended from ValueVT /// bits are known to be zero (ISD::AssertZext) or sign extended from ValueVT
/// (ISD::AssertSext). /// (ISD::AssertSext).
static SDValue getCopyFromParts(SelectionDAG &DAG, static SDValue getCopyFromParts(SelectionDAG &DAG, const SDValue *Parts,
const SDValue *Parts, unsigned NumParts, MVT PartVT, MVT ValueVT,
unsigned NumParts, ISD::NodeType AssertOp = ISD::DELETED_NODE) {
MVT PartVT,
MVT ValueVT,
ISD::NodeType AssertOp = ISD::DELETED_NODE) {
assert(NumParts > 0 && "No parts to assemble!"); assert(NumParts > 0 && "No parts to assemble!");
const TargetLowering &TLI = DAG.getTargetLoweringInfo(); const TargetLowering &TLI = DAG.getTargetLoweringInfo();
SDValue Val = Parts[0]; SDValue Val = Parts[0];
@ -587,8 +584,8 @@ static void getCopyToParts(SelectionDAG &DAG, SDValue Val,
unsigned RoundBits = RoundParts * PartBits; unsigned RoundBits = RoundParts * PartBits;
unsigned OddParts = NumParts - RoundParts; unsigned OddParts = NumParts - RoundParts;
SDValue OddVal = DAG.getNode(ISD::SRL, ValueVT, Val, SDValue OddVal = DAG.getNode(ISD::SRL, ValueVT, Val,
DAG.getConstant(RoundBits, DAG.getConstant(RoundBits,
TLI.getShiftAmountTy())); TLI.getShiftAmountTy()));
getCopyToParts(DAG, OddVal, Parts + RoundParts, OddParts, PartVT); getCopyToParts(DAG, OddVal, Parts + RoundParts, OddParts, PartVT);
if (TLI.isBigEndian()) if (TLI.isBigEndian())
// The odd parts were reversed by getCopyToParts - unreverse them. // The odd parts were reversed by getCopyToParts - unreverse them.