diff options
| 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 | f646774edd2588f6aa866ceb5e1b921f924a246f (patch) | |
| tree | de36a70f53295e7de9362534448552e0fee4a60b /lib | |
| parent | 1c5d83c14eb6563e5d31e1a707ba18e2ad24bcdb (diff) | |
ppc long double. Implement fabs and fneg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42924 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index c8fd78f253..d8dc94e84e 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/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); |