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wrap some long lines and expand i32 mul's to libcalls, inspired by a

Browse Source 
patch by Mikael Lepisto!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57077 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-10-04 21:27:46 +00:00
parent 80533040bc
commit 31d7161206
1 changed files with 12 additions and 4 deletions
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16
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -3007,22 +3007,26 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
}
if (Node->getOpcode() == ISD::MULHS &&
TLI.isOperationLegal(ISD::SMUL_LOHI, VT)) {
Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 1);
Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1, Tmp2).getNode(),
1);
break;
}
if (Node->getOpcode() == ISD::MULHU &&
TLI.isOperationLegal(ISD::UMUL_LOHI, VT)) {
Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 1);
Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1, Tmp2).getNode(),
1);
break;
}
if (Node->getOpcode() == ISD::SDIV &&
TLI.isOperationLegal(ISD::SDIVREM, VT)) {
Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 0);
Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(),
0);
break;
}
if (Node->getOpcode() == ISD::UDIV &&
TLI.isOperationLegal(ISD::UDIVREM, VT)) {
Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 0);
Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(),
0);
break;
}
@ -3038,6 +3042,10 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
isSigned = Node->getOpcode() == ISD::SDIV;
}
break;
case ISD::MUL:
if (VT == MVT::i32)
LC = RTLIB::MUL_I32;
break;
case ISD::FPOW:
LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80,
RTLIB::POW_PPCF128);