diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index b55ef700f5c..e35a570b5e4 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -912,6 +912,7 @@ const char *ARMTargetLowering::getTargetNodeName(unsigned Opcode) const { case ARMISD::VGETLANEs: return "ARMISD::VGETLANEs"; case ARMISD::VMOVIMM: return "ARMISD::VMOVIMM"; case ARMISD::VMVNIMM: return "ARMISD::VMVNIMM"; + case ARMISD::VMOVFPIMM: return "ARMISD::VMOVFPIMM"; case ARMISD::VDUP: return "ARMISD::VDUP"; case ARMISD::VDUPLANE: return "ARMISD::VDUPLANE"; case ARMISD::VEXT: return "ARMISD::VEXT"; @@ -3986,6 +3987,16 @@ SDValue ARMTargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG, SDValue Vmov = DAG.getNode(ARMISD::VMVNIMM, dl, VmovVT, Val); return DAG.getNode(ISD::BITCAST, dl, VT, Vmov); } + + // Use vmov.f32 to materialize other v2f32 and v4f32 splats. + if (VT == MVT::v2f32 || VT == MVT::v4f32) { + ConstantFPSDNode *C = cast<ConstantFPSDNode>(Op.getOperand(0)); + int ImmVal = ARM_AM::getFP32Imm(C->getValueAPF()); + if (ImmVal != -1) { + SDValue Val = DAG.getTargetConstant(ImmVal, MVT::i32); + return DAG.getNode(ARMISD::VMOVFPIMM, dl, VT, Val); + } + } } } |
