diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 1 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 2 | ||||
| -rw-r--r-- | test/CodeGen/ARM/neon_fpconv.ll | 9 |
3 files changed, 12 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp index 22f8d51..3250133 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp @@ -221,6 +221,7 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) { case ISD::FRINT: case ISD::FNEARBYINT: case ISD::FFLOOR: + case ISD::FP_ROUND: case ISD::FMA: case ISD::SIGN_EXTEND_INREG: QueryType = Node->getValueType(0); diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index c2e0848..f53d664 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -544,6 +544,8 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM) setOperationAction(ISD::FP_TO_UINT, MVT::v4i16, Custom); setOperationAction(ISD::FP_TO_SINT, MVT::v4i16, Custom); + setOperationAction(ISD::FP_ROUND, MVT::v2f32, Expand); + setTargetDAGCombine(ISD::INTRINSIC_VOID); setTargetDAGCombine(ISD::INTRINSIC_W_CHAIN); setTargetDAGCombine(ISD::INTRINSIC_WO_CHAIN); diff --git a/test/CodeGen/ARM/neon_fpconv.ll b/test/CodeGen/ARM/neon_fpconv.ll new file mode 100644 index 0000000..f80ea3e --- /dev/null +++ b/test/CodeGen/ARM/neon_fpconv.ll @@ -0,0 +1,9 @@ +; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s + +; PR12540: ARM backend lowering of FP_ROUND v2f64 to v2f32. +define <2 x float> @vtrunc(<2 x double> %a) { +; CHECK: vcvt.f32.f64 [[S0:s[0-9]+]], [[D0:d[0-9]+]] +; CHECK: vcvt.f32.f64 [[S1:s[0-9]+]], [[D1:d[0-9]+]] + %vt = fptrunc <2 x double> %a to <2 x float> + ret <2 x float> %vt +} |