diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 3e27a1b8343..9c5f663a9cc 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -379,6 +379,13 @@ void ARMTargetLowering::addMVEVectorTypes(bool HasMVEFP) { addAllExtLoads(MVT::v4i32, MVT::v4i16, Legal); addAllExtLoads(MVT::v4i32, MVT::v4i8, Legal); + // It is legal to sign extend from v4i8/v4i16 to v4i32 or v8i8 to v8i16. + setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::v4i8, Legal); + setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::v4i16, Legal); + setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::v4i32, Legal); + setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::v8i8, Legal); + setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::v8i16, Legal); + // Some truncating stores are legal too. setTruncStoreAction(MVT::v4i32, MVT::v4i16, Legal); setTruncStoreAction(MVT::v4i32, MVT::v4i8, Legal); |
