diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 1f787994d9d..b1157f2088c 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -172,6 +172,15 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM, setIndexedStoreAction(ISD::PRE_INC, MVT::f32, Legal); setIndexedStoreAction(ISD::PRE_INC, MVT::f64, Legal); + // PowerPC uses ADDC/ADDE/SUBC/SUBE to propagate carry. + const MVT ScalarIntVTs[] = { MVT::i32, MVT::i64 }; + for (MVT VT : ScalarIntVTs) { + setOperationAction(ISD::ADDC, VT, Legal); + setOperationAction(ISD::ADDE, VT, Legal); + setOperationAction(ISD::SUBC, VT, Legal); + setOperationAction(ISD::SUBE, VT, Legal); + } + if (Subtarget.useCRBits()) { setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand); |
