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| author | Dale Johannesen <dalej@apple.com> | 2007-10-12 19:02:17 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2007-10-12 19:02:17 +0000 |
| commit | 61c574fc51fffc8c5623418010c6eab2756f59ea (patch) | |
| tree | edf86a0470b40efe807177206dab3c93474fe6ee /llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | b915146a5d783502884a01108f92b0892570679b (diff) | |
| download | bcm5719-llvm-61c574fc51fffc8c5623418010c6eab2756f59ea.tar.gz bcm5719-llvm-61c574fc51fffc8c5623418010c6eab2756f59ea.zip | |
ppc long double. Implement fabs and fneg.
llvm-svn: 42924
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index c8fd78f253d..d8dc94e84ec 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -6001,6 +6001,16 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ break; } case ISD::FABS: { + if (VT == MVT::ppcf128) { + SDOperand Tmp; + ExpandOp(Node->getOperand(0), Lo, Tmp); + Hi = DAG.getNode(ISD::FABS, NVT, Tmp); + // lo = hi==fabs(hi) ? lo : -lo; + Lo = DAG.getNode(ISD::SELECT_CC, NVT, Hi, Tmp, + Lo, DAG.getNode(ISD::FNEG, NVT, Lo), + DAG.getCondCode(ISD::SETEQ)); + break; + } SDOperand Mask = (VT == MVT::f64) ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), VT) : DAG.getConstantFP(BitsToFloat(~(1U << 31)), VT); @@ -6012,6 +6022,12 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ break; } case ISD::FNEG: { + if (VT == MVT::ppcf128) { + ExpandOp(Node->getOperand(0), Lo, Hi); + Lo = DAG.getNode(ISD::FNEG, MVT::f64, Lo); + Hi = DAG.getNode(ISD::FNEG, MVT::f64, Hi); + break; + } SDOperand Mask = (VT == MVT::f64) ? DAG.getConstantFP(BitsToDouble(1ULL << 63), VT) : DAG.getConstantFP(BitsToFloat(1U << 31), VT); |
